test(gctx): cli variable injection (#10809)

Signed-off-by: Khaled Emara <khaled.emara@nirmata.com>
Co-authored-by: Mariam Fahmy <mariam.fahmy@nirmata.com>

test/cli/test/globalcontext/kyverno-test.yaml

@@ -0,0 +1,16 @@
+apiVersion: cli.kyverno.io/v1alpha1
+kind: Test
+metadata:
+  name: gctx
+policies:
+- policy.yaml
+resources:
+- resources.yaml
+results:
+- kind: Deployment
+  policy: gctx
+  resources:
+  - test-gctx/new-deployment
+  result: pass
+  rule: main-deployment-exists
+variables: values.yaml

test/cli/test/globalcontext/policy.yaml

@@ -0,0 +1,33 @@
+apiVersion: kyverno.io/v1
+kind: ClusterPolicy
+metadata:
+  name: gctx
+spec:
+  failurePolicy: Fail
+  rules:
+    - name: main-deployment-exists
+      context:
+        - name: deploymentCount
+          globalReference:
+            name: gctxentry-apicall-correct
+            jmesPath: "items | length(@)"
+      match:
+        all:
+          - resources:
+              kinds:
+                - Pod
+      preconditions:
+        all:
+          - key: "{{ request.operation }}"
+            operator: AnyIn
+            value:
+              - CREATE
+              - UPDATE
+      validate:
+        validationFailureAction: Enforce
+        deny:
+          conditions:
+            any:
+              - key: "{{ deploymentCount }}"
+                operator: Equal
+                value: 0

test/cli/test/globalcontext/resources.yaml

@@ -0,0 +1,22 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: new-deployment
+  namespace: test-gctx
+  labels:
+    app: new-deployment
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: new-deployment
+  template:
+    metadata:
+      labels:
+        app: new-deployment
+    spec:
+      containers:
+      - name: nginx
+        image: nginx:1.14.2
+        ports:
+        - containerPort: 80

test/cli/test/globalcontext/values.yaml

@@ -0,0 +1,12 @@
+apiVersion: cli.kyverno.io/v1alpha1
+kind: Value
+metadata:
+  name: values
+globalValues:
+  request.operation: CREATE
+policies:
+  - name: gctx
+    rules:
+      - name: main-deployment-exists
+        values:
+          deploymentCount: 1