kyverno/pkg/engine/validation_test.go

package engine

import (
	"encoding/json"
	"testing"

	"k8s.io/api/admission/v1beta1"

	kyverno "github.com/nirmata/kyverno/pkg/api/kyverno/v1"
	"github.com/nirmata/kyverno/pkg/engine/context"
	"github.com/nirmata/kyverno/pkg/engine/utils"
	utils2 "github.com/nirmata/kyverno/pkg/utils"
	"gotest.tools/assert"
)

func TestGetAnchorsFromMap_ThereAreAnchors(t *testing.T) {
	rawMap := []byte(`{
		"(name)":"nirmata-*",
		"notAnchor1":123,
		"(namespace)":"kube-?olicy",
		"notAnchor2":"sample-text",
		"object":{
			"key1":"value1",
			"(key2)":"value2"
		}
	}`)

	var unmarshalled map[string]interface{}
	err := json.Unmarshal(rawMap, &unmarshalled)
	assert.NilError(t, err)

	actualMap := utils.GetAnchorsFromMap(unmarshalled)
	assert.Equal(t, len(actualMap), 2)
	assert.Equal(t, actualMap["(name)"].(string), "nirmata-*")
	assert.Equal(t, actualMap["(namespace)"].(string), "kube-?olicy")
}

func TestValidate_image_tag_fail(t *testing.T) {
	// If image tag is latest then imagepull policy needs to be checked
	rawPolicy := []byte(`{
		"apiVersion": "kyverno.io/v1",
		"kind": "ClusterPolicy",
		"metadata": {
		   "name": "validate-image"
		},
		"spec": {
		   "rules": [
			  {
				 "name": "validate-tag",
				 "match": {
					"resources": {
					   "kinds": [
						  "Pod"
					   ]
					}
				 },
				 "validate": {
					"message": "An image tag is required",
					"pattern": {
					   "spec": {
						  "containers": [
							 {
								"image": "*:*"
							 }
						  ]
					   }
					}
				 }
			  },
			  {
				 "name": "validate-latest",
				 "match": {
					"resources": {
					   "kinds": [
						  "Pod"
					   ]
					}
				 },
				 "validate": {
					"message": "imagePullPolicy 'Always' required with tag 'latest'",
					"pattern": {
					   "spec": {
						  "containers": [
							 {
								"(image)": "*latest",
								"imagePullPolicy": "NotPresent"
							 }
						  ]
					   }
					}
				 }
			  }
		   ]
		}
	 }
	`)

	rawResource := []byte(`
	{
		"apiVersion": "v1",
		"kind": "Pod",
		"metadata": {
		   "name": "myapp-pod",
		   "labels": {
			  "app": "myapp"
		   }
		},
		"spec": {
		   "containers": [
			  {
				 "name": "nginx",
				 "image": "nginx:latest",
				 "imagePullPolicy": "Always"
			  }
		   ]
		}
	 }
	`)

	var policy kyverno.ClusterPolicy
	err := json.Unmarshal(rawPolicy, &policy)
	assert.NilError(t, err)

	resourceUnstructured, err := utils.ConvertToUnstructured(rawResource)
	assert.NilError(t, err)
	msgs := []string{
		"Validation rule 'validate-tag' succeeded.",
		"Validation error: imagePullPolicy 'Always' required with tag 'latest'; Validation rule 'validate-latest' failed at path '/spec/containers/0/imagePullPolicy/'",
	}
	er := Validate(PolicyContext{Policy: policy, NewResource: *resourceUnstructured})
	for index, r := range er.PolicyResponse.Rules {
		assert.Equal(t, r.Message, msgs[index])
	}
	assert.Assert(t, !er.IsSuccesful())
}

func TestValidate_image_tag_pass(t *testing.T) {
	// If image tag is latest then imagepull policy needs to be checked
	rawPolicy := []byte(`{
		"apiVersion": "kyverno.io/v1",
		"kind": "ClusterPolicy",
		"metadata": {
		   "name": "validate-image"
		},
		"spec": {
		   "rules": [
			  {
				 "name": "validate-tag",
				 "match": {
					"resources": {
					   "kinds": [
						  "Pod"
					   ]
					}
				 },
				 "validate": {
					"message": "An image tag is required",
					"pattern": {
					   "spec": {
						  "containers": [
							 {
								"image": "*:*"
							 }
						  ]
					   }
					}
				 }
			  },
			  {
				 "name": "validate-latest",
				 "match": {
					"resources": {
					   "kinds": [
						  "Pod"
					   ]
					}
				 },
				 "validate": {
					"message": "imagePullPolicy 'Always' required with tag 'latest'",
					"pattern": {
					   "spec": {
						  "containers": [
							 {
								"(image)": "*latest",
								"imagePullPolicy": "Always"
							 }
						  ]
					   }
					}
				 }
			  }
		   ]
		}
	 }
	`)

	rawResource := []byte(`
	{
		"apiVersion": "v1",
		"kind": "Pod",
		"metadata": {
		   "name": "myapp-pod",
		   "labels": {
			  "app": "myapp"
		   }
		},
		"spec": {
		   "containers": [
			  {
				 "name": "nginx",
				 "image": "nginx:latest",
				 "imagePullPolicy": "Always"
			  }
		   ]
		}
	 }
	`)

	var policy kyverno.ClusterPolicy
	err := json.Unmarshal(rawPolicy, &policy)
	assert.NilError(t, err)

	resourceUnstructured, err := utils.ConvertToUnstructured(rawResource)
	assert.NilError(t, err)
	msgs := []string{
		"Validation rule 'validate-tag' succeeded.",
		"Validation rule 'validate-latest' succeeded.",
	}
	er := Validate(PolicyContext{Policy: policy, NewResource: *resourceUnstructured})
	for index, r := range er.PolicyResponse.Rules {
		assert.Equal(t, r.Message, msgs[index])
	}
	assert.Assert(t, er.IsSuccesful())
}

func TestValidate_Fail_anyPattern(t *testing.T) {
	rawPolicy := []byte(`
	{
		"apiVersion": "kyverno.io/v1",
		"kind": "ClusterPolicy",
		"metadata": {
		   "name": "validate-namespace"
		},
		"spec": {
		   "rules": [
			  {
				 "name": "check-default-namespace",
				 "match": {
					"resources": {
					   "kinds": [
						  "Pod"
					   ]
					}
				 },
				 "validate": {
					"message": "A namespace is required",
					"anyPattern": [
					   {
						  "metadata": {
							 "namespace": "?*"
						  }
					   },
					   {
						  "metadata": {
							 "namespace": "!default"
						  }
					   }
					]
				 }
			  }
		   ]
		}
	 }
	`)

	rawResource := []byte(`
	{
		"apiVersion": "v1",
		"kind": "Pod",
		"metadata": {
		   "name": "myapp-pod",
		   "labels": {
			  "app": "myapp"
		   }
		},
		"spec": {
		   "containers": [
			  {
				 "name": "nginx",
				 "image": "nginx"
			  }
		   ]
		}
	 }
	`)

	var policy kyverno.ClusterPolicy
	err := json.Unmarshal(rawPolicy, &policy)
	assert.NilError(t, err)

	resourceUnstructured, err := utils.ConvertToUnstructured(rawResource)
	assert.NilError(t, err)
	er := Validate(PolicyContext{Policy: policy, NewResource: *resourceUnstructured})
	msgs := []string{"A namespace is required"}
	for index, r := range er.PolicyResponse.Rules {
		assert.Equal(t, r.Message, msgs[index])
	}
	assert.Assert(t, !er.IsSuccesful())
}

func TestValidate_host_network_port(t *testing.T) {
	rawPolicy := []byte(`
	{
		"apiVersion": "kyverno.io/v1",
		"kind": "ClusterPolicy",
		"metadata": {
		   "name": "validate-host-network-port"
		},
		"spec": {
		   "rules": [
			  {
				 "name": "validate-host-network-port",
				 "match": {
					"resources": {
					   "kinds": [
						  "Pod"
					   ]
					}
				 },
				 "validate": {
					"message": "Host network and port are not allowed",
					"pattern": {
					   "spec": {
						  "hostNetwork": false,
						  "containers": [
							 {
								"name": "*",
								"ports": [
								   {
									  "hostPort": null
								   }
								]
							 }
						  ]
					   }
					}
				 }
			  }
		   ]
		}
	 }
	 `)

	rawResource := []byte(`
	 {
		"apiVersion": "v1",
		"kind": "Pod",
		"metadata": {
		   "name": "nginx-host-network"
		},
		"spec": {
		   "hostNetwork": false,
		   "containers": [
			  {
				 "name": "nginx-host-network",
				 "image": "nginx",
				 "ports": [
					{
					   "containerPort": 80,
					   "hostPort": 80
					}
				 ]
			  }
		   ]
		}
	 }
	 `)

	var policy kyverno.ClusterPolicy
	err := json.Unmarshal(rawPolicy, &policy)
	assert.NilError(t, err)

	resourceUnstructured, err := utils.ConvertToUnstructured(rawResource)
	assert.NilError(t, err)
	er := Validate(PolicyContext{Policy: policy, NewResource: *resourceUnstructured})
	msgs := []string{"Validation error: Host network and port are not allowed; Validation rule 'validate-host-network-port' failed at path '/spec/containers/0/ports/0/hostPort/'"}

	for index, r := range er.PolicyResponse.Rules {
		assert.Equal(t, r.Message, msgs[index])
	}
	assert.Assert(t, !er.IsSuccesful())
}

func TestValidate_anchor_arraymap_pass(t *testing.T) {
	rawPolicy := []byte(`
	{
		"apiVersion": "kyverno.io/v1",
		"kind": "ClusterPolicy",
		"metadata": {
		   "name": "validate-host-path"
		},
		"spec": {
		   "rules": [
			  {
				 "name": "validate-host-path",
				 "match": {
					"resources": {
					   "kinds": [
						  "Pod"
					   ]
					}
				 },
				 "validate": {
					"message": "Host path '/var/lib/' is not allowed",
					"pattern": {
					   "spec": {
						  "volumes": [
							 {
								"name": "*",
								"=(hostPath)": {
								   "path": "!/var/lib"
								}
							 }
						  ]
					   }
					}
				 }
			  }
		   ]
		}
	 }	
	 `)

	rawResource := []byte(`
	{
		"apiVersion": "v1",
		"kind": "Pod",
		"metadata": {
		   "name": "image-with-hostpath",
		   "labels": {
			  "app.type": "prod",
			  "namespace": "my-namespace"
		   }
		},
		"spec": {
		   "containers": [
			  {
				 "name": "image-with-hostpath",
				 "image": "docker.io/nautiker/curl",
				 "volumeMounts": [
					{
					   "name": "var-lib-etcd",
					   "mountPath": "/var/lib"
					}
				 ]
			  }
		   ],
		   "volumes": [
			  {
				 "name": "var-lib-etcd",
				 "hostPath": {
					"path": "/var/lib1"
				 }
			  }
		   ]
		}
	 }	 `)

	var policy kyverno.ClusterPolicy
	err := json.Unmarshal(rawPolicy, &policy)
	assert.NilError(t, err)

	resourceUnstructured, err := utils.ConvertToUnstructured(rawResource)
	assert.NilError(t, err)
	er := Validate(PolicyContext{Policy: policy, NewResource: *resourceUnstructured})
	msgs := []string{"Validation rule 'validate-host-path' succeeded."}

	for index, r := range er.PolicyResponse.Rules {
		assert.Equal(t, r.Message, msgs[index])
	}
	assert.Assert(t, er.IsSuccesful())
}

func TestValidate_anchor_arraymap_fail(t *testing.T) {
	rawPolicy := []byte(`
	{
		"apiVersion": "kyverno.io/v1",
		"kind": "ClusterPolicy",
		"metadata": {
		   "name": "validate-host-path"
		},
		"spec": {
		   "rules": [
			  {
				 "name": "validate-host-path",
				 "match": {
					"resources": {
					   "kinds": [
						  "Pod"
					   ]
					}
				 },
				 "validate": {
					"message": "Host path '/var/lib/' is not allowed",
					"pattern": {
					   "spec": {
						  "volumes": [
							 {
								"=(hostPath)": {
								   "path": "!/var/lib"
								}
							 }
						  ]
					   }
					}
				 }
			  }
		   ]
		}
	 }	
	 `)

	rawResource := []byte(`
	{
		"apiVersion": "v1",
		"kind": "Pod",
		"metadata": {
		   "name": "image-with-hostpath",
		   "labels": {
			  "app.type": "prod",
			  "namespace": "my-namespace"
		   }
		},
		"spec": {
		   "containers": [
			  {
				 "name": "image-with-hostpath",
				 "image": "docker.io/nautiker/curl",
				 "volumeMounts": [
					{
					   "name": "var-lib-etcd",
					   "mountPath": "/var/lib"
					}
				 ]
			  }
		   ],
		   "volumes": [
			  {
				 "name": "var-lib-etcd",
				 "hostPath": {
					"path": "/var/lib"
				 }
			  }
		   ]
		}
	 }	 `)

	var policy kyverno.ClusterPolicy
	err := json.Unmarshal(rawPolicy, &policy)
	assert.NilError(t, err)
	resourceUnstructured, err := utils.ConvertToUnstructured(rawResource)
	assert.NilError(t, err)
	er := Validate(PolicyContext{Policy: policy, NewResource: *resourceUnstructured})
	msgs := []string{"Validation error: Host path '/var/lib/' is not allowed; Validation rule 'validate-host-path' failed at path '/spec/volumes/0/hostPath/path/'"}

	for index, r := range er.PolicyResponse.Rules {
		assert.Equal(t, r.Message, msgs[index])
	}
	assert.Assert(t, !er.IsSuccesful())
}

func TestValidate_anchor_map_notfound(t *testing.T) {
	// anchor not present in resource
	rawPolicy := []byte(`{
		"apiVersion": "kyverno.io/v1",
		"kind": "ClusterPolicy",
		"metadata": {
		   "name": "policy-secaas-k8s"
		},
		"spec": {
		   "rules": [
			  {
				 "name": "pod rule 2",
				 "match": {
					"resources": {
					   "kinds": [
						  "Pod"
					   ]
					}
				 },
				 "validate": {
					"message": "pod: validate run as non root user",
					"pattern": {
					   "spec": {
						  "=(securityContext)": {
							 "runAsNonRoot": true
						  }
					   }
					}
				 }
			  }
		   ]
		}
	 }	 `)

	rawResource := []byte(`
	{
		"apiVersion": "v1",
		"kind": "Pod",
		"metadata": {
		   "name": "myapp-pod",
		   "labels": {
			  "app": "v1"
		   }
		},
		"spec": {
		   "containers": [
			  {
				 "name": "nginx",
				 "image": "nginx"
			  }
		   ]
		}
	 }
`)

	var policy kyverno.ClusterPolicy
	err := json.Unmarshal(rawPolicy, &policy)
	assert.NilError(t, err)

	resourceUnstructured, err := utils.ConvertToUnstructured(rawResource)
	assert.NilError(t, err)
	er := Validate(PolicyContext{Policy: policy, NewResource: *resourceUnstructured})
	msgs := []string{"Validation rule 'pod rule 2' succeeded."}

	for index, r := range er.PolicyResponse.Rules {
		assert.Equal(t, r.Message, msgs[index])
	}
	assert.Assert(t, er.IsSuccesful())
}

func TestValidate_anchor_map_found_valid(t *testing.T) {
	// anchor not present in resource
	rawPolicy := []byte(`{
		"apiVersion": "kyverno.io/v1",
		"kind": "ClusterPolicy",
		"metadata": {
		   "name": "policy-secaas-k8s"
		},
		"spec": {
		   "rules": [
			  {
				 "name": "pod rule 2",
				 "match": {
					"resources": {
					   "kinds": [
						  "Pod"
					   ]
					}
				 },
				 "validate": {
					"message": "pod: validate run as non root user",
					"pattern": {
					   "spec": {
						  "=(securityContext)": {
							 "runAsNonRoot": true
						  }
					   }
					}
				 }
			  }
		   ]
		}
	 }	 `)

	rawResource := []byte(`
	{
		"apiVersion": "v1",
		"kind": "Pod",
		"metadata": {
		   "name": "myapp-pod",
		   "labels": {
			  "app": "v1"
		   }
		},
		"spec": {
		   "containers": [
			  {
				 "name": "nginx",
				 "image": "nginx"
			  }
		   ],
		   "securityContext": {
			  "runAsNonRoot": true
		   }
		}
	 }
`)

	var policy kyverno.ClusterPolicy
	err := json.Unmarshal(rawPolicy, &policy)
	assert.NilError(t, err)

	resourceUnstructured, err := utils.ConvertToUnstructured(rawResource)
	assert.NilError(t, err)
	er := Validate(PolicyContext{Policy: policy, NewResource: *resourceUnstructured})
	msgs := []string{"Validation rule 'pod rule 2' succeeded."}

	for index, r := range er.PolicyResponse.Rules {
		assert.Equal(t, r.Message, msgs[index])
	}
	assert.Assert(t, er.IsSuccesful())
}

func TestValidate_anchor_map_found_invalid(t *testing.T) {
	// anchor not present in resource
	rawPolicy := []byte(`{
		"apiVersion": "kyverno.io/v1",
		"kind": "ClusterPolicy",
		"metadata": {
		   "name": "policy-secaas-k8s"
		},
		"spec": {
		   "rules": [
			  {
				 "name": "pod rule 2",
				 "match": {
					"resources": {
					   "kinds": [
						  "Pod"
					   ]
					}
				 },
				 "validate": {
					"message": "pod: validate run as non root user",
					"pattern": {
					   "spec": {
						  "=(securityContext)": {
							 "runAsNonRoot": true
						  }
					   }
					}
				 }
			  }
		   ]
		}
	 }	 `)

	rawResource := []byte(`
	{
		"apiVersion": "v1",
		"kind": "Pod",
		"metadata": {
		   "name": "myapp-pod",
		   "labels": {
			  "app": "v1"
		   }
		},
		"spec": {
		   "containers": [
			  {
				 "name": "nginx",
				 "image": "nginx"
			  }
		   ],
		   "securityContext": {
			  "runAsNonRoot": false
		   }
		}
	 }
`)

	var policy kyverno.ClusterPolicy
	err := json.Unmarshal(rawPolicy, &policy)
	assert.NilError(t, err)

	resourceUnstructured, err := utils.ConvertToUnstructured(rawResource)
	assert.NilError(t, err)
	er := Validate(PolicyContext{Policy: policy, NewResource: *resourceUnstructured})
	msgs := []string{"Validation error: pod: validate run as non root user; Validation rule 'pod rule 2' failed at path '/spec/securityContext/runAsNonRoot/'"}

	for index, r := range er.PolicyResponse.Rules {
		assert.Equal(t, r.Message, msgs[index])
	}
	assert.Assert(t, !er.IsSuccesful())
}

func TestValidate_AnchorList_pass(t *testing.T) {
	// anchor not present in resource
	rawPolicy := []byte(`
	{
		"apiVersion": "kyverno.io/v1",
		"kind": "ClusterPolicy",
		"metadata": {
		  "name": "policy-secaas-k8s"
		},
		"spec": {
		  "rules": [
			{
			  "name": "pod image rule",
			  "match": {
				"resources": {
				  "kinds": [
					"Pod"
				  ]
				}
			  },
			  "validate": {
				"pattern": {
				  "spec": {
					"=(containers)": [
					  {
						"name": "nginx"
					  }
					]
				  }
				}
			  }
			}
		  ]
		}
	  }	
		 `)

	rawResource := []byte(`
	{
		"apiVersion": "v1",
		"kind": "Pod",
		"metadata": {
		  "name": "myapp-pod",
		  "labels": {
			"app": "v1"
		  }
		},
		"spec": {
		  "containers": [
			{
			  "name": "nginx"
			},
			{
			  "name": "nginx"
			}
		  ]
		}
	  }	
`)

	var policy kyverno.ClusterPolicy
	err := json.Unmarshal(rawPolicy, &policy)
	assert.NilError(t, err)

	resourceUnstructured, err := utils.ConvertToUnstructured(rawResource)
	assert.NilError(t, err)
	er := Validate(PolicyContext{Policy: policy, NewResource: *resourceUnstructured})
	msgs := []string{"Validation rule 'pod image rule' succeeded."}

	for index, r := range er.PolicyResponse.Rules {
		t.Log(r.Message)
		assert.Equal(t, r.Message, msgs[index])
	}
	assert.Assert(t, er.IsSuccesful())
}

func TestValidate_AnchorList_fail(t *testing.T) {
	rawPolicy := []byte(`
	{
		"apiVersion": "kyverno.io/v1",
		"kind": "ClusterPolicy",
		"metadata": {
		  "name": "policy-secaas-k8s"
		},
		"spec": {
		  "rules": [
			{
			  "name": "pod image rule",
			  "match": {
				"resources": {
				  "kinds": [
					"Pod"
				  ]
				}
			  },
			  "validate": {
				"pattern": {
				  "spec": {
					"=(containers)": [
					  {
						"name": "nginx"
					  }
					]
				  }
				}
			  }
			}
		  ]
		}
	  }	
		 `)

	rawResource := []byte(`
	{
		"apiVersion": "v1",
		"kind": "Pod",
		"metadata": {
		  "name": "myapp-pod",
		  "labels": {
			"app": "v1"
		  }
		},
		"spec": {
		  "containers": [
			{
			  "name": "nginx"
			},
			{
			  "name": "busy"
			}
		  ]
		}
	  }	
`)

	var policy kyverno.ClusterPolicy
	err := json.Unmarshal(rawPolicy, &policy)
	assert.NilError(t, err)

	resourceUnstructured, err := utils.ConvertToUnstructured(rawResource)
	assert.NilError(t, err)
	er := Validate(PolicyContext{Policy: policy, NewResource: *resourceUnstructured})
	// msgs := []string{"Validation rule 'pod image rule' failed at '/spec/containers/1/name/' for resource Pod//myapp-pod."}
	// for index, r := range er.PolicyResponse.Rules {
	// 	// t.Log(r.Message)
	// 	assert.Equal(t, r.Message, msgs[index])
	// }
	assert.Assert(t, !er.IsSuccesful())
}

func TestValidate_existenceAnchor_fail(t *testing.T) {
	// anchor not present in resource
	rawPolicy := []byte(`
	{
		"apiVersion": "kyverno.io/v1",
		"kind": "ClusterPolicy",
		"metadata": {
		  "name": "policy-secaas-k8s"
		},
		"spec": {
		  "rules": [
			{
			  "name": "pod image rule",
			  "match": {
				"resources": {
				  "kinds": [
					"Pod"
				  ]
				}
			  },
			  "validate": {
				"pattern": {
				  "spec": {
					"^(containers)": [
					  {
						"name": "nginx"
					  }
					]
				  }
				}
			  }
			}
		  ]
		}
	  }	
		 `)

	rawResource := []byte(`
	{
		"apiVersion": "v1",
		"kind": "Pod",
		"metadata": {
		  "name": "myapp-pod",
		  "labels": {
			"app": "v1"
		  }
		},
		"spec": {
		  "containers": [
			{
			  "name": "busy1"
			},
			{
			  "name": "busy"
			}
		  ]
		}
	  }	
`)

	var policy kyverno.ClusterPolicy
	err := json.Unmarshal(rawPolicy, &policy)
	assert.NilError(t, err)

	resourceUnstructured, err := utils.ConvertToUnstructured(rawResource)
	assert.NilError(t, err)
	er := Validate(PolicyContext{Policy: policy, NewResource: *resourceUnstructured})
	// msgs := []string{"Validation rule 'pod image rule' failed at '/spec/containers/' for resource Pod//myapp-pod."}

	// for index, r := range er.PolicyResponse.Rules {
	// 	t.Log(r.Message)
	// 	assert.Equal(t, r.Message, msgs[index])
	// }
	assert.Assert(t, !er.IsSuccesful())
}

func TestValidate_existenceAnchor_pass(t *testing.T) {
	// anchor not present in resource
	rawPolicy := []byte(`
	{
		"apiVersion": "kyverno.io/v1",
		"kind": "ClusterPolicy",
		"metadata": {
		  "name": "policy-secaas-k8s"
		},
		"spec": {
		  "rules": [
			{
			  "name": "pod image rule",
			  "match": {
				"resources": {
				  "kinds": [
					"Pod"
				  ]
				}
			  },
			  "validate": {
				"pattern": {
				  "spec": {
					"^(containers)": [
					  {
						"name": "nginx"
					  }
					]
				  }
				}
			  }
			}
		  ]
		}
	  }	
		 `)

	rawResource := []byte(`
	{
		"apiVersion": "v1",
		"kind": "Pod",
		"metadata": {
		  "name": "myapp-pod",
		  "labels": {
			"app": "v1"
		  }
		},
		"spec": {
		  "containers": [
			{
			  "name": "nginx"
			},
			{
			  "name": "busy"
			}
		  ]
		}
	  }	
`)

	var policy kyverno.ClusterPolicy
	err := json.Unmarshal(rawPolicy, &policy)
	assert.NilError(t, err)

	resourceUnstructured, err := utils.ConvertToUnstructured(rawResource)
	assert.NilError(t, err)
	er := Validate(PolicyContext{Policy: policy, NewResource: *resourceUnstructured})
	msgs := []string{"Validation rule 'pod image rule' succeeded."}

	for index, r := range er.PolicyResponse.Rules {
		assert.Equal(t, r.Message, msgs[index])
	}
	assert.Assert(t, er.IsSuccesful())
}

func TestValidate_negationAnchor_deny(t *testing.T) {
	rawPolicy := []byte(`
	{
		"apiVersion": "kyverno.io/v1",
		"kind": "ClusterPolicy",
		"metadata": {
		  "name": "validate-host-path"
		},
		"spec": {
		  "rules": [
			{
			  "name": "validate-host-path",
			  "match": {
				"resources": {
				  "kinds": [
					"Pod"
				  ]
				}
			  },
			  "validate": {
				"message": "Host path is not allowed",
				"pattern": {
				  "spec": {
					"volumes": [
					  {
						"name": "*",
						"X(hostPath)": null
					  }
					]
				  }
				}
			  }
			}
		  ]
		}
	  }	
	 `)

	rawResource := []byte(`
	{
		"apiVersion": "v1",
		"kind": "Pod",
		"metadata": {
		   "name": "image-with-hostpath",
		   "labels": {
			  "app.type": "prod",
			  "namespace": "my-namespace"
		   }
		},
		"spec": {
		   "containers": [
			  {
				 "name": "image-with-hostpath",
				 "image": "docker.io/nautiker/curl",
				 "volumeMounts": [
					{
					   "name": "var-lib-etcd",
					   "mountPath": "/var/lib"
					}
				 ]
			  }
		   ],
		   "volumes": [
			  {
				 "name": "var-lib-etcd",
				 "hostPath": {
					"path": "/var/lib1"
				 }
			  }
		   ]
		}
	 }	 `)

	var policy kyverno.ClusterPolicy
	err := json.Unmarshal(rawPolicy, &policy)
	assert.NilError(t, err)

	resourceUnstructured, err := utils.ConvertToUnstructured(rawResource)
	assert.NilError(t, err)
	er := Validate(PolicyContext{Policy: policy, NewResource: *resourceUnstructured})
	msgs := []string{"Validation error: Host path is not allowed; Validation rule 'validate-host-path' failed at path '/spec/volumes/0/hostPath/'"}

	for index, r := range er.PolicyResponse.Rules {
		assert.Equal(t, r.Message, msgs[index])
	}
	assert.Assert(t, !er.IsSuccesful())
}

func TestValidate_negationAnchor_pass(t *testing.T) {
	rawPolicy := []byte(`
	{
		"apiVersion": "kyverno.io/v1",
		"kind": "ClusterPolicy",
		"metadata": {
		  "name": "validate-host-path"
		},
		"spec": {
		  "rules": [
			{
			  "name": "validate-host-path",
			  "match": {
				"resources": {
				  "kinds": [
					"Pod"
				  ]
				}
			  },
			  "validate": {
				"message": "Host path is not allowed",
				"pattern": {
				  "spec": {
					"volumes": [
					  {
						"name": "*",
						"X(hostPath)": null
					  }
					]
				  }
				}
			  }
			}
		  ]
		}
	  }	
	 `)

	rawResource := []byte(`
	{
		"apiVersion": "v1",
		"kind": "Pod",
		"metadata": {
		   "name": "image-with-hostpath",
		   "labels": {
			  "app.type": "prod",
			  "namespace": "my-namespace"
		   }
		},
		"spec": {
		   "containers": [
			  {
				 "name": "image-with-hostpath",
				 "image": "docker.io/nautiker/curl",
				 "volumeMounts": [
					{
					   "name": "var-lib-etcd",
					   "mountPath": "/var/lib"
					}
				 ]
			  }
		   ],
		   "volumes": [
			  {
				 "name": "var-lib-etcd",
				 "emptyDir": {}
			  }
		   ]
		}
	 }
	 	 `)

	var policy kyverno.ClusterPolicy
	err := json.Unmarshal(rawPolicy, &policy)
	assert.NilError(t, err)

	resourceUnstructured, err := utils.ConvertToUnstructured(rawResource)
	assert.NilError(t, err)
	er := Validate(PolicyContext{Policy: policy, NewResource: *resourceUnstructured})
	msgs := []string{"Validation rule 'validate-host-path' succeeded."}

	for index, r := range er.PolicyResponse.Rules {
		assert.Equal(t, r.Message, msgs[index])
	}
	assert.Assert(t, er.IsSuccesful())
}

func Test_VariableSubstitutionPathNotExistInPattern(t *testing.T) {
	resourceRaw := []byte(`{
		"apiVersion": "v1",
		"kind": "Pod",
		"metadata": {
			"name": "check-root-user"
		},
		"spec": {
			"containers": [
				{
					"name": "check-root-user-a",
					"image": "nginxinc/nginx-unprivileged",
					"securityContext": {
						"runAsNonRoot": true
					}
				}
			]
		}
	}`)

	policyraw := []byte(`{
		"apiVersion": "kyverno.io/v1",
		"kind": "ClusterPolicy",
		"metadata": {
		  "name": "substitute-variable"
		},
		"spec": {
		  "rules": [
			{
			  "name": "test-path-not-exist",
			  "match": {
				"resources": {
				  "kinds": [
					"Pod"
				  ]
				}
			  },
			  "validate": {
				"pattern": {
				  "spec": {
					"containers": [
					  {
						"name": "{{request.object.metadata.name1}}*"
					  }
					]
				  }
				}
			  }
			}
		  ]
		}
	  }`)

	var policy kyverno.ClusterPolicy
	err := json.Unmarshal(policyraw, &policy)
	assert.NilError(t, err)
	resourceUnstructured, err := utils.ConvertToUnstructured(resourceRaw)
	assert.NilError(t, err)

	ctx := context.NewContext()
	err = ctx.AddResource(resourceRaw)
	assert.NilError(t, err)

	policyContext := PolicyContext{
		Policy:      policy,
		Context:     ctx,
		NewResource: *resourceUnstructured}
	er := Validate(policyContext)
	assert.Assert(t, !er.PolicyResponse.Rules[0].Success)
	assert.Equal(t, er.PolicyResponse.Rules[0].Message, "Validation error: ; Validation rule 'test-path-not-exist' failed. 'could not find variable request.object.metadata.name1 at path /spec/containers/0/name'")
}

func Test_VariableSubstitutionPathNotExistInAnyPattern_OnePatternStatisfies(t *testing.T) {
	resourceRaw := []byte(`{
		"apiVersion": "v1",
		"kind": "Deployment",
		"metadata": {
		  "name": "test"
		},
		"spec": {
		  "template": {
			"spec": {
			  "containers": [
				{
				  "name": "test-pod",
				  "image": "nginxinc/nginx-unprivileged"
				}
			  ]
			}
		  }
		}
	  }`)

	policyraw := []byte(`{
		"apiVersion": "kyverno.io/v1",
		"kind": "ClusterPolicy",
		"metadata": {
		  "name": "substitute-variable"
		},
		"spec": {
		  "rules": [
			{
			  "name": "test-path-not-exist",
			  "match": {
				"resources": {
				  "kinds": [
					"Deployment"
				  ]
				}
			  },
			  "validate": {
				"anyPattern": [
				  {
					"spec": {
					  "template": {
						"spec": {
						  "containers": [
							{
							  "name": "{{request.object.metadata.name1}}*"
							}
						  ]
						}
					  }
					}
				  },
				  {
					"spec": {
					  "template": {
						"spec": {
						  "containers": [
							{
							  "name": "{{request.object.metadata.name}}*"
							}
						  ]
						}
					  }
					}
				  }
				]
			  }
			}
		  ]
		}
	  }`)

	var policy kyverno.ClusterPolicy
	assert.NilError(t, json.Unmarshal(policyraw, &policy))
	resourceUnstructured, err := utils.ConvertToUnstructured(resourceRaw)
	assert.NilError(t, err)

	ctx := context.NewContext()
	err = ctx.AddResource(resourceRaw)
	assert.NilError(t, err)

	policyContext := PolicyContext{
		Policy:      policy,
		Context:     ctx,
		NewResource: *resourceUnstructured}
	er := Validate(policyContext)
	assert.Assert(t, er.PolicyResponse.Rules[0].Success)
	assert.Equal(t, er.PolicyResponse.Rules[0].Message, "Validation rule 'test-path-not-exist' anyPattern[1] succeeded.")
}

func Test_VariableSubstitutionPathNotExistInAnyPattern_AllPathNotPresent(t *testing.T) {
	resourceRaw := []byte(`{
		"apiVersion": "v1",
		"kind": "Deployment",
		"metadata": {
		  "name": "test"
		},
		"spec": {
		  "template": {
			"spec": {
			  "containers": [
				{
				  "name": "test-pod",
				  "image": "nginxinc/nginx-unprivileged"
				}
			  ]
			}
		  }
		}
	  }`)

	policyraw := []byte(`{
		"apiVersion": "kyverno.io/v1",
		"kind": "ClusterPolicy",
		"metadata": {
		  "name": "substitute-variable"
		},
		"spec": {
		  "rules": [
			{
			  "name": "test-path-not-exist",
			  "match": {
				"resources": {
				  "kinds": [
					"Deployment"
				  ]
				}
			  },
			  "validate": {
				"anyPattern": [
				  {
					"spec": {
					  "template": {
						"spec": {
						  "containers": [
							{
							  "name": "{{request.object.metadata.name1}}*"
							}
						  ]
						}
					  }
					}
				  },
				  {
					"spec": {
					  "template": {
						"spec": {
						  "containers": [
							{
							  "name": "{{request.object.metadata.name2}}*"
							}
						  ]
						}
					  }
					}
				  }
				]
			  }
			}
		  ]
		}
	  }`)

	var policy kyverno.ClusterPolicy
	assert.NilError(t, json.Unmarshal(policyraw, &policy))
	resourceUnstructured, err := utils.ConvertToUnstructured(resourceRaw)
	assert.NilError(t, err)

	ctx := context.NewContext()
	err = ctx.AddResource(resourceRaw)
	assert.NilError(t, err)

	policyContext := PolicyContext{
		Policy:      policy,
		Context:     ctx,
		NewResource: *resourceUnstructured}
	er := Validate(policyContext)
	assert.Assert(t, !er.PolicyResponse.Rules[0].Success)
	assert.Equal(t, er.PolicyResponse.Rules[0].Message, "Substitutions failed: [could not find variable request.object.metadata.name1 at path /spec/template/spec/containers/0/name could not find variable request.object.metadata.name2 at path /spec/template/spec/containers/0/name]")
}

func Test_VariableSubstitutionPathNotExistInAnyPattern_AllPathPresent_NonePatternSatisfy(t *testing.T) {
	resourceRaw := []byte(`{
		"apiVersion": "v1",
		"kind": "Deployment",
		"metadata": {
		  "name": "test"
		},
		"spec": {
		  "template": {
			"spec": {
			  "containers": [
				{
				  "name": "pod-test-pod",
				  "image": "nginxinc/nginx-unprivileged"
				}
			  ]
			}
		  }
		}
	  }`)

	policyraw := []byte(`{
		"apiVersion": "kyverno.io/v1",
		"kind": "ClusterPolicy",
		"metadata": {
		  "name": "substitute-variable"
		},
		"spec": {
		  "rules": [
			{
			  "name": "test-path-not-exist",
			  "match": {
				"resources": {
				  "kinds": [
					"Deployment"
				  ]
				}
			  },
			  "validate": {
				"anyPattern": [
				  {
					"spec": {
					  "template": {
						"spec": {
						  "containers": [
							{
							  "name": "{{request.object.metadata.name}}*"
							}
						  ]
						}
					  }
					}
				  },
				  {
					"spec": {
					  "template": {
						"spec": {
						  "containers": [
							{
							  "name": "{{request.object.metadata.name}}*"
							}
						  ]
						}
					  }
					}
				  }
				]
			  }
			}
		  ]
		}
	  }`)

	var policy kyverno.ClusterPolicy
	assert.NilError(t, json.Unmarshal(policyraw, &policy))
	resourceUnstructured, err := utils.ConvertToUnstructured(resourceRaw)
	assert.NilError(t, err)

	ctx := context.NewContext()
	err = ctx.AddResource(resourceRaw)
	assert.NilError(t, err)

	policyContext := PolicyContext{
		Policy:      policy,
		Context:     ctx,
		NewResource: *resourceUnstructured}
	er := Validate(policyContext)

	// expectedMsg := "Validation error: ; Validation rule test-path-not-exist anyPattern[0] failed at path /spec/template/spec/containers/0/name/. Validation rule test-path-not-exist anyPattern[1] failed at path /spec/template/spec/containers/0/name/."
	assert.Assert(t, !er.PolicyResponse.Rules[0].Success)
	assert.Equal(t, er.PolicyResponse.Rules[0].Message, "Validation rule 'test-path-not-exist' has failed")
}

func Test_denyFeatureIssue744(t *testing.T) {
	testcases := []struct {
		description   string
		policy        []byte
		request       []byte
		userInfo      []byte
		expectedError bool
	}{
		{
			description:   "Blocks delete requests for resources with label allow-deletes(success case)",
			policy:        []byte(`{"apiVersion":"kyverno.io/v1","kind":"ClusterPolicy","metadata":{"name":"block-deletes"},"spec":{"validationFailureAction":"enforce","background":false,"rules":[{"name":"check-allow-deletes","match":{"resources":{"selector":{"matchLabels":{"allow-deletes":"false"}}}},"exclude":{"clusterRoles":["random"]},"validate":{"message":"Deleting {{request.oldObject.kind}} / {{request.oldObject.metadata.name}} is not allowed","deny":{"conditions":[{"key":"{{request.operation}}","operator":"Equal","value":"DELETE"}]}}}]}}`),
			request:       []byte(`{"uid":"b553344a-172a-4257-8ec4-a8f379f8b844","kind":{"group":"","version":"v1","kind":"Pod"},"resource":{"group":"","version":"v1","resource":"pods"},"requestKind":{"group":"","version":"v1","kind":"Pod"},"requestResource":{"group":"","version":"v1","resource":"pods"},"name":"hello-world","namespace":"default","operation":"DELETE","userInfo":{"username":"kubernetes-admin","groups":["system:masters","system:authenticated"]},"object":null,"oldObject":{"kind":"Pod","apiVersion":"v1","metadata":{"name":"hello-world","namespace":"default","uid":"f093e3da-f13a-474f-87e8-43e98fe363bf","resourceVersion":"1983","creationTimestamp":"2020-05-06T20:28:43Z","labels":{"allow-deletes":"false"},"annotations":{"kubectl.kubernetes.io/last-applied-configuration":"{\"apiVersion\":\"v1\",\"kind\":\"Pod\",\"metadata\":{\"annotations\":{},\"labels\":{\"allow-deletes\":\"false\"},\"name\":\"hello-world\",\"namespace\":\"default\"},\"spec\":{\"containers\":[{\"image\":\"hello-world:latest\",\"name\":\"hello-world\",\"ports\":[{\"containerPort\":80}],\"resources\":{\"limits\":{\"cpu\":\"0.2\",\"memory\":\"30Mi\"},\"requests\":{\"cpu\":\"0.1\",\"memory\":\"20Mi\"}}}]}}\n"}},"spec":{"volumes":[{"name":"default-token-4q2mj","secret":{"secretName":"default-token-4q2mj","defaultMode":420}}],"containers":[{"name":"hello-world","image":"hello-world:latest","ports":[{"containerPort":80,"protocol":"TCP"}],"resources":{"limits":{"cpu":"200m","memory":"30Mi"},"requests":{"cpu":"100m","memory":"20Mi"}},"volumeMounts":[{"name":"default-token-4q2mj","readOnly":true,"mountPath":"/var/run/secrets/kubernetes.io/serviceaccount"}],"terminationMessagePath":"/dev/termination-log","terminationMessagePolicy":"File","imagePullPolicy":"Always"}],"restartPolicy":"Always","terminationGracePeriodSeconds":30,"dnsPolicy":"ClusterFirst","serviceAccountName":"default","serviceAccount":"default","nodeName":"kind-control-plane","securityContext":{},"schedulerName":"default-scheduler","tolerations":[{"key":"node.kubernetes.io/not-ready","operator":"Exists","effect":"NoExecute","tolerationSeconds":300},{"key":"node.kubernetes.io/unreachable","operator":"Exists","effect":"NoExecute","tolerationSeconds":300}],"priority":0,"enableServiceLinks":true},"status":{"phase":"Pending","conditions":[{"type":"Initialized","status":"True","lastProbeTime":null,"lastTransitionTime":"2020-05-06T20:28:43Z"},{"type":"Ready","status":"False","lastProbeTime":null,"lastTransitionTime":"2020-05-06T20:28:43Z","reason":"ContainersNotReady","message":"containers with unready status: [hello-world]"},{"type":"ContainersReady","status":"False","lastProbeTime":null,"lastTransitionTime":"2020-05-06T20:28:43Z","reason":"ContainersNotReady","message":"containers with unready status: [hello-world]"},{"type":"PodScheduled","status":"True","lastProbeTime":null,"lastTransitionTime":"2020-05-06T20:28:43Z"}],"hostIP":"172.17.0.2","startTime":"2020-05-06T20:28:43Z","containerStatuses":[{"name":"hello-world","state":{"waiting":{"reason":"ContainerCreating"}},"lastState":{},"ready":false,"restartCount":0,"image":"hello-world:latest","imageID":"","started":false}],"qosClass":"Burstable"}},"dryRun":false,"options":{"kind":"DeleteOptions","apiVersion":"meta.k8s.io/v1","gracePeriodSeconds":30,"propagationPolicy":"Background"}}`),
			userInfo:      []byte(`{"roles":null,"clusterRoles":["cluster-admin","system:basic-user","system:discovery","system:public-info-viewer"],"userInfo":{"username":"kubernetes-admin","groups":["system:masters","system:authenticated"]}}`),
			expectedError: true,
		},
		{
			description:   "Blocks delete requests for resources with label allow-deletes(failure case)",
			policy:        []byte(`{"apiVersion":"kyverno.io/v1","kind":"ClusterPolicy","metadata":{"name":"block-deletes"},"spec":{"validationFailureAction":"enforce","background":false,"rules":[{"name":"check-allow-deletes","match":{"resources":{"selector":{"matchLabels":{"allow-deletes":"false"}}}},"exclude":{"clusterRoles":["random"]},"validate":{"message":"Deleting {{request.oldObject.kind}} / {{request.oldObject.metadata.name}} is not allowed","deny":{"conditions":[{"key":"{{request.operation}}","operator":"Equal","value":"DELETE"}]}}}]}}`),
			request:       []byte(`{"uid":"9a83234d-95d1-4105-b6bf-7d72fd0183ce","kind":{"group":"","version":"v1","kind":"Pod"},"resource":{"group":"","version":"v1","resource":"pods"},"subResource":"status","requestKind":{"group":"","version":"v1","kind":"Pod"},"requestResource":{"group":"","version":"v1","resource":"pods"},"requestSubResource":"status","name":"hello-world","namespace":"default","operation":"UPDATE","userInfo":{"username":"system:node:kind-control-plane","groups":["system:nodes","system:authenticated"]},"object":{"kind":"Pod","apiVersion":"v1","metadata":{"name":"hello-world","namespace":"default","uid":"10fb7e1f-3710-43fa-9b7d-fc532b5ff70e","resourceVersion":"2829","creationTimestamp":"2020-05-06T20:36:51Z","labels":{"allow-deletes":"false"},"annotations":{"kubectl.kubernetes.io/last-applied-configuration":"{\"apiVersion\":\"v1\",\"kind\":\"Pod\",\"metadata\":{\"annotations\":{},\"labels\":{\"allow-deletes\":\"false\"},\"name\":\"hello-world\",\"namespace\":\"default\"},\"spec\":{\"containers\":[{\"image\":\"hello-world:latest\",\"name\":\"hello-world\",\"ports\":[{\"containerPort\":80}],\"resources\":{\"limits\":{\"cpu\":\"0.2\",\"memory\":\"30Mi\"},\"requests\":{\"cpu\":\"0.1\",\"memory\":\"20Mi\"}}}]}}\n"}},"spec":{"volumes":[{"name":"default-token-4q2mj","secret":{"secretName":"default-token-4q2mj","defaultMode":420}}],"containers":[{"name":"hello-world","image":"hello-world:latest","ports":[{"containerPort":80,"protocol":"TCP"}],"resources":{"limits":{"cpu":"200m","memory":"30Mi"},"requests":{"cpu":"100m","memory":"20Mi"}},"volumeMounts":[{"name":"default-token-4q2mj","readOnly":true,"mountPath":"/var/run/secrets/kubernetes.io/serviceaccount"}],"terminationMessagePath":"/dev/termination-log","terminationMessagePolicy":"File","imagePullPolicy":"Always"}],"restartPolicy":"Always","terminationGracePeriodSeconds":30,"dnsPolicy":"ClusterFirst","serviceAccountName":"default","serviceAccount":"default","nodeName":"kind-control-plane","securityContext":{},"schedulerName":"default-scheduler","tolerations":[{"key":"node.kubernetes.io/not-ready","operator":"Exists","effect":"NoExecute","tolerationSeconds":300},{"key":"node.kubernetes.io/unreachable","operator":"Exists","effect":"NoExecute","tolerationSeconds":300}],"priority":0,"enableServiceLinks":true},"status":{"phase":"Pending","conditions":[{"type":"Initialized","status":"True","lastProbeTime":null,"lastTransitionTime":"2020-05-06T20:36:51Z"},{"type":"Ready","status":"False","lastProbeTime":null,"lastTransitionTime":"2020-05-06T20:36:51Z","reason":"ContainersNotReady","message":"containers with unready status: [hello-world]"},{"type":"ContainersReady","status":"False","lastProbeTime":null,"lastTransitionTime":"2020-05-06T20:36:51Z","reason":"ContainersNotReady","message":"containers with unready status: [hello-world]"},{"type":"PodScheduled","status":"True","lastProbeTime":null,"lastTransitionTime":"2020-05-06T20:36:51Z"}],"hostIP":"172.17.0.2","startTime":"2020-05-06T20:36:51Z","containerStatuses":[{"name":"hello-world","state":{"waiting":{"reason":"ContainerCreating"}},"lastState":{},"ready":false,"restartCount":0,"image":"hello-world:latest","imageID":"","started":false}],"qosClass":"Burstable"}},"oldObject":{"kind":"Pod","apiVersion":"v1","metadata":{"name":"hello-world","namespace":"default","uid":"10fb7e1f-3710-43fa-9b7d-fc532b5ff70e","resourceVersion":"2829","creationTimestamp":"2020-05-06T20:36:51Z","labels":{"allow-deletes":"false"},"annotations":{"kubectl.kubernetes.io/last-applied-configuration":"{\"apiVersion\":\"v1\",\"kind\":\"Pod\",\"metadata\":{\"annotations\":{},\"labels\":{\"allow-deletes\":\"false\"},\"name\":\"hello-world\",\"namespace\":\"default\"},\"spec\":{\"containers\":[{\"image\":\"hello-world:latest\",\"name\":\"hello-world\",\"ports\":[{\"containerPort\":80}],\"resources\":{\"limits\":{\"cpu\":\"0.2\",\"memory\":\"30Mi\"},\"requests\":{\"cpu\":\"0.1\",\"memory\":\"20Mi\"}}}]}}\n"}},"spec":{"volumes":[{"name":"default-token-4q2mj","secret":{"secretName":"default-token-4q2mj","defaultMode":420}}],"containers":[{"name":"hello-world","
			userInfo:      []byte(`{"roles":["kube-system:kubeadm:nodes-kubeadm-config","kube-system:kubeadm:kubelet-config-1.17"],"clusterRoles":["system:discovery","system:certificates.k8s.io:certificatesigningrequests:selfnodeclient","system:public-info-viewer","system:basic-user"],"userInfo":{"username":"system:node:kind-control-plane","groups":["system:nodes","system:authenticated"]}}`),
			expectedError: false,
		},
		{
			description:   "Blocks update requests for resources with label allow-updates(success case)",
			policy:        []byte(`{"apiVersion":"kyverno.io/v1","kind":"ClusterPolicy","metadata":{"name":"block-updates"},"spec":{"validationFailureAction":"enforce","background":false,"rules":[{"name":"check-allow-updates","match":{"resources":{"selector":{"matchLabels":{"allow-updates":"false"}}}},"exclude":{"clusterRoles":["random"]},"validate":{"message":"Updating {{request.object.kind}} / {{request.object.metadata.name}} is not allowed","deny":{"conditions":[{"key":"{{request.operation}}","operator":"Equals","value":"UPDATE"}]}}}]}}`),
			request:       []byte(`{"uid":"7b0600b7-0258-4ecb-9666-c2839bd19612","kind":{"group":"","version":"v1","kind":"Pod"},"resource":{"group":"","version":"v1","resource":"pods"},"subResource":"status","requestKind":{"group":"","version":"v1","kind":"Pod"},"requestResource":{"group":"","version":"v1","resource":"pods"},"requestSubResource":"status","name":"hello-world","namespace":"default","operation":"UPDATE","userInfo":{"username":"system:node:kind-control-plane","groups":["system:nodes","system:authenticated"]},"object":{"kind":"Pod","apiVersion":"v1","metadata":{"name":"hello-world","namespace":"default","uid":"2b42971e-6fcf-41a7-ae44-80963f957eae","resourceVersion":"3438","creationTimestamp":"2020-05-06T20:41:37Z","labels":{"allow-updates":"false","something":"hereeeeeseee"},"annotations":{"kubectl.kubernetes.io/last-applied-configuration":"{\"apiVersion\":\"v1\",\"kind\":\"Pod\",\"metadata\":{\"annotations\":{},\"labels\":{\"allow-updates\":\"false\",\"something\":\"hereeeeeseee\"},\"name\":\"hello-world\",\"namespace\":\"default\"},\"spec\":{\"containers\":[{\"image\":\"hello-world:latest\",\"name\":\"hello-world\",\"ports\":[{\"containerPort\":80}],\"resources\":{\"limits\":{\"cpu\":\"0.2\",\"memory\":\"30Mi\"},\"requests\":{\"cpu\":\"0.1\",\"memory\":\"20Mi\"}}}]}}\n"}},"spec":{"volumes":[{"name":"default-token-4q2mj","secret":{"secretName":"default-token-4q2mj","defaultMode":420}}],"containers":[{"name":"hello-world","image":"hello-world:latest","ports":[{"containerPort":80,"protocol":"TCP"}],"resources":{"limits":{"cpu":"200m","memory":"30Mi"},"requests":{"cpu":"100m","memory":"20Mi"}},"volumeMounts":[{"name":"default-token-4q2mj","readOnly":true,"mountPath":"/var/run/secrets/kubernetes.io/serviceaccount"}],"terminationMessagePath":"/dev/termination-log","terminationMessagePolicy":"File","imagePullPolicy":"Always"}],"restartPolicy":"Always","terminationGracePeriodSeconds":30,"dnsPolicy":"ClusterFirst","serviceAccountName":"default","serviceAccount":"default","nodeName":"kind-control-plane","securityContext":{},"schedulerName":"default-scheduler","tolerations":[{"key":"node.kubernetes.io/not-ready","operator":"Exists","effect":"NoExecute","tolerationSeconds":300},{"key":"node.kubernetes.io/unreachable","operator":"Exists","effect":"NoExecute","tolerationSeconds":300}],"priority":0,"enableServiceLinks":true},"status":{"phase":"Running","conditions":[{"type":"Initialized","status":"True","lastProbeTime":null,"lastTransitionTime":"2020-05-06T20:41:37Z"},{"type":"Ready","status":"False","lastProbeTime":null,"lastTransitionTime":"2020-05-06T20:41:37Z","reason":"ContainersNotReady","message":"containers with unready status: [hello-world]"},{"type":"ContainersReady","status":"False","lastProbeTime":null,"lastTransitionTime":"2020-05-06T20:41:37Z","reason":"ContainersNotReady","message":"containers with unready status: [hello-world]"},{"type":"PodScheduled","status":"True","lastProbeTime":null,"lastTransitionTime":"2020-05-06T20:41:37Z"}],"hostIP":"172.17.0.2","podIP":"10.244.0.8","podIPs":[{"ip":"10.244.0.8"}],"startTime":"2020-05-06T20:41:37Z","containerStatuses":[{"name":"hello-world","state":{"terminated":{"exitCode":0,"reason":"Completed","startedAt":"2020-05-06T20:42:01Z","finishedAt":"2020-05-06T20:42:01Z","containerID":"containerd://46dc1c3dead976b5cc6e5f6a8dc86988e8ce401e6fd903d4637848dd4baac0c4"}},"lastState":{},"ready":false,"restartCount":0,"image":"docker.io/library/hello-world:latest","imageID":"docker.io/library/hello-world@sha256:8e3114318a995a1ee497790535e7b88365222a21771ae7e53687ad76563e8e76","containerID":"containerd://46dc1c3dead976b5cc6e5f6a8dc86988e8ce401e6fd903d4637848dd4baac0c4","started":false}],"qosClass":"Burstable"}},"oldObject":{"kind":"Pod","apiVersion":"v1","metadata":{"name":"hello-world","namespace":"default","uid":"2b42971e-6fcf-41a7-ae44-80963f957eae","resourceVersion":"3438","creationTimestamp":"2020-05-06T20:41:37Z","labels":{"allow-updates":"false","something":"hereeeeeseee"},"annotations":{"kubectl.kubernetes.io/last-applied-configuration":"{\"apiVersion\":\"v1\",\"kind\":\"Pod\",
			userInfo:      []byte(`{"roles":["kube-system:kubeadm:kubelet-config-1.17","kube-system:kubeadm:nodes-kubeadm-config"],"clusterRoles":["system:basic-user","system:certificates.k8s.io:certificatesigningrequests:selfnodeclient","system:public-info-viewer","system:discovery"],"userInfo":{"username":"system:node:kind-control-plane","groups":["system:nodes","system:authenticated"]}}`),
			expectedError: true,
		},
		{
			description:   "Blocks update requests for resources with label allow-updates(failure case)",
			policy:        []byte(`{"apiVersion":"kyverno.io/v1","kind":"ClusterPolicy","metadata":{"name":"block-deletes"},"spec":{"validationFailureAction":"enforce","background":false,"rules":[{"name":"check-allow-deletes","match":{"resources":{"selector":{"matchLabels":{"allow-deletes":"false"}}}},"exclude":{"clusterRoles":["random"]},"validate":{"message":"Deleting {{request.oldObject.kind}} / {{request.oldObject.metadata.name}} is not allowed","deny":{"conditions":[{"key":"{{request.operation}}","operator":"Equal","value":"DELETE"}]}}}]}}`),
			request:       []byte(`{"uid":"9c284cdb-b0de-42aa-adf5-649a44bc861b","kind":{"group":"","version":"v1","kind":"Pod"},"resource":{"group":"","version":"v1","resource":"pods"},"requestKind":{"group":"","version":"v1","kind":"Pod"},"requestResource":{"group":"","version":"v1","resource":"pods"},"name":"hello-world","namespace":"default","operation":"CREATE","userInfo":{"username":"kubernetes-admin","groups":["system:masters","system:authenticated"]},"object":{"kind":"Pod","apiVersion":"v1","metadata":{"name":"hello-world","namespace":"default","uid":"41a928a7-73f4-419f-bd64-de11f4f0a8ca","creationTimestamp":"2020-05-06T20:43:50Z","labels":{"allow-updates":"false","something":"hereeeeeseee"},"annotations":{"kubectl.kubernetes.io/last-applied-configuration":"{\"apiVersion\":\"v1\",\"kind\":\"Pod\",\"metadata\":{\"annotations\":{},\"labels\":{\"allow-updates\":\"false\",\"something\":\"hereeeeeseee\"},\"name\":\"hello-world\",\"namespace\":\"default\"},\"spec\":{\"containers\":[{\"image\":\"hello-world:latest\",\"name\":\"hello-world\",\"ports\":[{\"containerPort\":80}],\"resources\":{\"limits\":{\"cpu\":\"0.2\",\"memory\":\"30Mi\"},\"requests\":{\"cpu\":\"0.1\",\"memory\":\"20Mi\"}}}]}}\n"}},"spec":{"volumes":[{"name":"default-token-4q2mj","secret":{"secretName":"default-token-4q2mj"}}],"containers":[{"name":"hello-world","image":"hello-world:latest","ports":[{"containerPort":80,"protocol":"TCP"}],"resources":{"limits":{"cpu":"200m","memory":"30Mi"},"requests":{"cpu":"100m","memory":"20Mi"}},"volumeMounts":[{"name":"default-token-4q2mj","readOnly":true,"mountPath":"/var/run/secrets/kubernetes.io/serviceaccount"}],"terminationMessagePath":"/dev/termination-log","terminationMessagePolicy":"File","imagePullPolicy":"Always"}],"restartPolicy":"Always","terminationGracePeriodSeconds":30,"dnsPolicy":"ClusterFirst","serviceAccountName":"default","serviceAccount":"default","securityContext":{},"schedulerName":"default-scheduler","tolerations":[{"key":"node.kubernetes.io/not-ready","operator":"Exists","effect":"NoExecute","tolerationSeconds":300},{"key":"node.kubernetes.io/unreachable","operator":"Exists","effect":"NoExecute","tolerationSeconds":300}],"priority":0,"enableServiceLinks":true},"status":{"phase":"Pending","qosClass":"Burstable"}},"oldObject":null,"dryRun":false,"options":{"kind":"CreateOptions","apiVersion":"meta.k8s.io/v1"}}`),
			userInfo:      []byte(`{"roles":null,"clusterRoles":["system:public-info-viewer","cluster-admin","system:discovery","system:basic-user"],"userInfo":{"username":"kubernetes-admin","groups":["system:masters","system:authenticated"]}}`),
			expectedError: false,
		},
		{
			description:   "Blocks certain fields(success case)",
			policy:        []byte(`{"apiVersion":"kyverno.io/v1","kind":"ClusterPolicy","metadata":{"name":"prevent-field-update"},"spec":{"validationFailureAction":"enforce","background":false,"rules":[{"name":"prevent-field-update","match":{"resources":{"selector":{"matchLabels":{"allow-updates":"false"}}}},"validate":{"message":"Updating field label 'something' is not allowed","deny":{"conditions":[{"key":"{{request.object.metadata.labels.something}}","operator":"NotEqual","value":""},{"key":"{{request.object.metadata.labels.something}}","operator":"NotEquals","value":"{{request.oldObject.metadata.labels.something}}"}]}}}]}}`),
			request:       []byte(`{"uid":"11d46f83-a31b-444e-8209-c43b24f1af8a","kind":{"group":"","version":"v1","kind":"Pod"},"resource":{"group":"","version":"v1","resource":"pods"},"requestKind":{"group":"","version":"v1","kind":"Pod"},"requestResource":{"group":"","version":"v1","resource":"pods"},"name":"hello-world","namespace":"default","operation":"UPDATE","userInfo":{"username":"kubernetes-admin","groups":["system:masters","system:authenticated"]},"object":{"kind":"Pod","apiVersion":"v1","metadata":{"name":"hello-world","namespace":"default","uid":"42bd0f0a-4b1f-4f7c-a40d-4dbed5522732","resourceVersion":"4333","creationTimestamp":"2020-05-06T20:51:58Z","labels":{"allow-updates":"false","something":"existes","something2":"feeereeeeeeeee"},"annotations":{"kubectl.kubernetes.io/last-applied-configuration":"{\"apiVersion\":\"v1\",\"kind\":\"Pod\",\"metadata\":{\"annotations\":{},\"labels\":{\"allow-updates\":\"false\",\"something\":\"existes\",\"something2\":\"feeereeeeeeeee\"},\"name\":\"hello-world\",\"namespace\":\"default\"},\"spec\":{\"containers\":[{\"image\":\"hello-world:latest\",\"name\":\"hello-world\",\"ports\":[{\"containerPort\":80}],\"resources\":{\"limits\":{\"cpu\":\"0.2\",\"memory\":\"30Mi\"},\"requests\":{\"cpu\":\"0.1\",\"memory\":\"20Mi\"}}}]}}\n"}},"spec":{"volumes":[{"name":"default-token-4q2mj","secret":{"secretName":"default-token-4q2mj","defaultMode":420}}],"containers":[{"name":"hello-world","image":"hello-world:latest","ports":[{"containerPort":80,"protocol":"TCP"}],"resources":{"limits":{"cpu":"200m","memory":"30Mi"},"requests":{"cpu":"100m","memory":"20Mi"}},"volumeMounts":[{"name":"default-token-4q2mj","readOnly":true,"mountPath":"/var/run/secrets/kubernetes.io/serviceaccount"}],"terminationMessagePath":"/dev/termination-log","terminationMessagePolicy":"File","imagePullPolicy":"Always"}],"restartPolicy":"Always","terminationGracePeriodSeconds":30,"dnsPolicy":"ClusterFirst","serviceAccountName":"default","serviceAccount":"default","securityContext":{},"schedulerName":"default-scheduler","tolerations":[{"key":"node.kubernetes.io/not-ready","operator":"Exists","effect":"NoExecute","tolerationSeconds":300},{"key":"node.kubernetes.io/unreachable","operator":"Exists","effect":"NoExecute","tolerationSeconds":300}],"priority":0,"enableServiceLinks":true},"status":{"phase":"Pending","qosClass":"Burstable"}},"oldObject":{"kind":"Pod","apiVersion":"v1","metadata":{"name":"hello-world","namespace":"default","uid":"42bd0f0a-4b1f-4f7c-a40d-4dbed5522732","resourceVersion":"4333","creationTimestamp":"2020-05-06T20:51:58Z","labels":{"allow-updates":"false","something":"exists","something2":"feeereeeeeeeee"},"annotations":{"kubectl.kubernetes.io/last-applied-configuration":"{\"apiVersion\":\"v1\",\"kind\":\"Pod\",\"metadata\":{\"annotations\":{},\"labels\":{\"allow-updates\":\"false\",\"something\":\"exists\",\"something2\":\"feeereeeeeeeee\"},\"name\":\"hello-world\",\"namespace\":\"default\"},\"spec\":{\"containers\":[{\"image\":\"hello-world:latest\",\"name\":\"hello-world\",\"ports\":[{\"containerPort\":80}],\"resources\":{\"limits\":{\"cpu\":\"0.2\",\"memory\":\"30Mi\"},\"requests\":{\"cpu\":\"0.1\",\"memory\":\"20Mi\"}}}]}}\n"}},"spec":{"volumes":[{"name":"default-token-4q2mj","secret":{"secretName":"default-token-4q2mj","defaultMode":420}}],"containers":[{"name":"hello-world","image":"hello-world:latest","ports":[{"containerPort":80,"protocol":"TCP"}],"resources":{"limits":{"cpu":"200m","memory":"30Mi"},"requests":{"cpu":"100m","memory":"20Mi"}},"volumeMounts":[{"name":"default-token-4q2mj","readOnly":true,"mountPath":"/var/run/secrets/kubernetes.io/serviceaccount"}],"terminationMessagePath":"/dev/termination-log","terminationMessagePolicy":"File","imagePullPolicy":"Always"}],"restartPolicy":"Always","terminationGracePeriodSeconds":30,"dnsPolicy":"ClusterFirst","serviceAccountName":"default","serviceAccount":"default","securityContext":{},"schedulerName":"default-scheduler","tolerations":[{"key":"node.kubernetes.io/not-ready","operator":"Exists","effect":"NoExecute","tolerationSeconds":300},{"key":"node
			userInfo:      []byte(`{"roles":null,"clusterRoles":null,"userInfo":{"username":"kubernetes-admin","groups":["system:masters","system:authenticated"]}}`),
			expectedError: true,
		},
		{
			description:   "Blocks certain fields(failure case)",
			policy:        []byte(`{"apiVersion":"kyverno.io/v1","kind":"ClusterPolicy","metadata":{"name":"prevent-field-update"},"spec":{"validationFailureAction":"enforce","background":false,"rules":[{"name":"prevent-field-update","match":{"resources":{"selector":{"matchLabels":{"allow-updates":"false"}}}},"validate":{"message":"Updating field label 'something' is not allowed","deny":{"conditions":[{"key":"{{request.object.metadata.labels.something}}","operator":"NotEqual","value":""},{"key":"{{request.object.metadata.labels.something}}","operator":"NotEquals","value":"{{request.oldObject.metadata.labels.something}}"}]}}}]}}`),
			request:       []byte(`{"uid":"cbdce9bb-741d-466a-a440-36155eb4b45b","kind":{"group":"","version":"v1","kind":"Pod"},"resource":{"group":"","version":"v1","resource":"pods"},"requestKind":{"group":"","version":"v1","kind":"Pod"},"requestResource":{"group":"","version":"v1","resource":"pods"},"name":"hello-world","namespace":"kube-system","operation":"CREATE","userInfo":{"username":"kubernetes-admin","groups":["system:masters","system:authenticated"]},"object":{"kind":"Pod","apiVersion":"v1","metadata":{"name":"hello-world","namespace":"kube-system","uid":"490c240c-f96a-4d5a-8860-75597bab0a7e","creationTimestamp":"2020-05-06T21:01:50Z","annotations":{"kubectl.kubernetes.io/last-applied-configuration":"{\"apiVersion\":\"v1\",\"kind\":\"Pod\",\"metadata\":{\"annotations\":{},\"name\":\"hello-world\",\"namespace\":\"kube-system\"},\"spec\":{\"containers\":[{\"image\":\"hello-world:latest\",\"name\":\"hello-world\",\"ports\":[{\"containerPort\":80}],\"resources\":{\"limits\":{\"cpu\":\"0.2\",\"memory\":\"30Mi\"},\"requests\":{\"cpu\":\"0.1\",\"memory\":\"20Mi\"}}}]}}\n"}},"spec":{"volumes":[{"name":"default-token-8h2h8","secret":{"secretName":"default-token-8h2h8"}}],"containers":[{"name":"hello-world","image":"hello-world:latest","ports":[{"containerPort":80,"protocol":"TCP"}],"resources":{"limits":{"cpu":"200m","memory":"30Mi"},"requests":{"cpu":"100m","memory":"20Mi"}},"volumeMounts":[{"name":"default-token-8h2h8","readOnly":true,"mountPath":"/var/run/secrets/kubernetes.io/serviceaccount"}],"terminationMessagePath":"/dev/termination-log","terminationMessagePolicy":"File","imagePullPolicy":"Always"}],"restartPolicy":"Always","terminationGracePeriodSeconds":30,"dnsPolicy":"ClusterFirst","serviceAccountName":"default","serviceAccount":"default","securityContext":{},"schedulerName":"default-scheduler","tolerations":[{"key":"node.kubernetes.io/not-ready","operator":"Exists","effect":"NoExecute","tolerationSeconds":300},{"key":"node.kubernetes.io/unreachable","operator":"Exists","effect":"NoExecute","tolerationSeconds":300}],"priority":0,"enableServiceLinks":true},"status":{"phase":"Pending","qosClass":"Burstable"}},"oldObject":null,"dryRun":false,"options":{"kind":"CreateOptions","apiVersion":"meta.k8s.io/v1"}}`),
			userInfo:      []byte(`{"roles":null,"clusterRoles":null,"userInfo":{"username":"kubernetes-admin","groups":["system:masters","system:authenticated"]}}`),
			expectedError: false,
		},
		{
			description:   "Deny all requests on a namespace",
			policy:        []byte(`{"apiVersion":"kyverno.io/v1","kind":"ClusterPolicy","metadata":{"name":"block-request"},"spec":{"validationFailureAction":"enforce","rules":[{"name":"block-request","match":{"resources":{"namespaces":["kube-system"]}},"validate":{"deny":{}}}]}}`),
			request:       []byte(`{"uid":"2cf2b192-2c25-4f14-ac3a-315408d398f2","kind":{"group":"","version":"v1","kind":"Pod"},"resource":{"group":"","version":"v1","resource":"pods"},"requestKind":{"group":"","version":"v1","kind":"Pod"},"requestResource":{"group":"","version":"v1","resource":"pods"},"name":"hello-world","namespace":"default","operation":"UPDATE","userInfo":{"username":"kubernetes-admin","groups":["system:masters","system:authenticated"]},"object":{"kind":"Pod","apiVersion":"v1","metadata":{"name":"hello-world","namespace":"default","uid":"f5c33eaf-79d8-4bc0-8819-749b3606012c","resourceVersion":"5470","creationTimestamp":"2020-05-06T20:57:15Z","labels":{"allow-updates":"false","something":"existes","something2":"feeereeeeeeeee"},"annotations":{"kubectl.kubernetes.io/last-applied-configuration":"{\"apiVersion\":\"v1\",\"kind\":\"Pod\",\"metadata\":{\"annotations\":{},\"labels\":{\"allow-updates\":\"false\",\"something\":\"existes\",\"something2\":\"feeereeeeeeeee\"},\"name\":\"hello-world\",\"namespace\":\"default\"},\"spec\":{\"containers\":[{\"image\":\"hello-world:latest\",\"name\":\"hello-world\",\"ports\":[{\"containerPort\":80}],\"resources\":{\"limits\":{\"cpu\":\"0.2\",\"memory\":\"30Mi\"},\"requests\":{\"cpu\":\"0.1\",\"memory\":\"20Mi\"}}}]}}\n"}},"spec":{"volumes":[{"name":"default-token-4q2mj","secret":{"secretName":"default-token-4q2mj","defaultMode":420}}],"containers":[{"name":"hello-world","image":"hello-world:latest","ports":[{"containerPort":80,"protocol":"TCP"}],"resources":{"limits":{"cpu":"200m","memory":"30Mi"},"requests":{"cpu":"100m","memory":"20Mi"}},"volumeMounts":[{"name":"default-token-4q2mj","readOnly":true,"mountPath":"/var/run/secrets/kubernetes.io/serviceaccount"}],"terminationMessagePath":"/dev/termination-log","terminationMessagePolicy":"File","imagePullPolicy":"Always"}],"restartPolicy":"Always","terminationGracePeriodSeconds":30,"dnsPolicy":"ClusterFirst","serviceAccountName":"default","serviceAccount":"default","nodeName":"kind-control-plane","securityContext":{},"schedulerName":"default-scheduler","tolerations":[{"key":"node.kubernetes.io/not-ready","operator":"Exists","effect":"NoExecute","tolerationSeconds":300},{"key":"node.kubernetes.io/unreachable","operator":"Exists","effect":"NoExecute","tolerationSeconds":300}],"priority":0,"enableServiceLinks":true},"status":{"phase":"Pending","conditions":[{"type":"Initialized","status":"True","lastProbeTime":null,"lastTransitionTime":"2020-05-06T20:57:15Z"},{"type":"Ready","status":"False","lastProbeTime":null,"lastTransitionTime":"2020-05-06T20:57:15Z","reason":"ContainersNotReady","message":"containers with unready status: [hello-world]"},{"type":"ContainersReady","status":"False","lastProbeTime":null,"lastTransitionTime":"2020-05-06T20:57:15Z","reason":"ContainersNotReady","message":"containers with unready status: [hello-world]"},{"type":"PodScheduled","status":"True","lastProbeTime":null,"lastTransitionTime":"2020-05-06T20:57:15Z"}],"hostIP":"172.17.0.2","startTime":"2020-05-06T20:57:15Z","containerStatuses":[{"name":"hello-world","state":{"waiting":{"reason":"ContainerCreating"}},"lastState":{},"ready":false,"restartCount":0,"image":"hello-world:latest","imageID":"","started":false}],"qosClass":"Burstable"}},"oldObject":{"kind":"Pod","apiVersion":"v1","metadata":{"name":"hello-world","namespace":"default","uid":"f5c33eaf-79d8-4bc0-8819-749b3606012c","resourceVersion":"5470","creationTimestamp":"2020-05-06T20:57:15Z","labels":{"allow-updates":"false","something":"existes","something2":"feeereeeeeeeee"},"annotations":{"kubectl.kubernetes.io/last-applied-configuration":"{\"apiVersion\":\"v1\",\"kind\":\"Pod\",\"metadata\":{\"annotations\":{},\"labels\":{\"allow-updates\":\"false\",\"something\":\"existes\",\"something2\":\"feeereeeeeeeee\"},\"name\":\"hello-world\",\"namespace\":\"default\"},\"spec\":{\"containers\":[{\"image\":\"hello-world:latest\",\"name\":\"hello-world\",\"ports\":[{\"containerPort\":80}],\"resources\":{\"limits\":{\"cpu\":\"0.2\",\"memory\":\"30Mi\"},\"requests\":{\"cpu\":\"0.1\",\"memory\":\"20Mi\"}}}]}
			userInfo:      []byte(`{"roles":null,"clusterRoles":null,"userInfo":{"username":"kubernetes-admin","groups":["system:masters","system:authenticated"]}}`),
			expectedError: false,
		},
	}

	var err error
	for _, testcase := range testcases {
		var policy kyverno.ClusterPolicy
		err = json.Unmarshal(testcase.policy, &policy)
		if err != nil {
			t.Fatal(err)
		}

		var request *v1beta1.AdmissionRequest
		err = json.Unmarshal(testcase.request, &request)
		if err != nil {
			t.Fatal(err)
		}

		var userInfo kyverno.RequestInfo
		err = json.Unmarshal(testcase.userInfo, &userInfo)
		if err != nil {
			t.Fatal(err)
		}

		ctx := context.NewContext()
		err = ctx.AddRequest(request)
		if err != nil {
			t.Fatal(err)
		}
		err = ctx.AddUserInfo(userInfo)
		if err != nil {
			t.Fatal(err)
		}
		err = ctx.AddSA(userInfo.AdmissionUserInfo.Username)
		if err != nil {
			t.Fatal(err)
		}

		newR, oldR, err := utils2.ExtractResources(nil, request)
		if err != nil {
			t.Fatal(err)
		}

		pc := PolicyContext{
			Policy:        policy,
			NewResource:   newR,
			OldResource:   oldR,
			AdmissionInfo: userInfo,
			Context:       ctx,
		}
		resp := Validate(pc)
		if resp.IsSuccesful() != !testcase.expectedError {
			t.Errorf("Testcase has failed")
		}
	}
}