fix: Result not correct when testing a mutate rule and foreach with add anchor (#8375)

Signed-off-by: Charles-Edouard Brétéché <charles.edouard@nirmata.com>

test/cli/test-mutate/add-default-resources/add-default-resources.yaml

@@ -0,0 +1,45 @@
+apiVersion : kyverno.io/v1
+kind: ClusterPolicy
+metadata:
+  name: add-default-resources
+  annotations:
+    policies.kyverno.io/title: Add Default Resources
+    policies.kyverno.io/category: Other
+    policies.kyverno.io/severity: medium
+    kyverno.io/kyverno-version: 1.10.0-alpha.2
+    policies.kyverno.io/minversion: 1.7.0
+    kyverno.io/kubernetes-version: "1.26"
+    policies.kyverno.io/subject: Pod
+    policies.kyverno.io/description: >-
+      Pods which don't specify at least resource requests are assigned a QoS class
+      of BestEffort which can hog resources for other Pods on Nodes. At a minimum,
+      all Pods should specify resource requests in order to be labeled as the QoS
+      class Burstable. This sample mutates any container in a Pod which doesn't
+      specify memory or cpu requests to apply some sane defaults.
+spec:
+  background: false
+  rules:
+  - name: add-default-requests
+    match:
+      any:
+      - resources:
+          kinds:
+          - Pod
+    preconditions:
+      any:
+      - key: "{{request.operation || 'BACKGROUND'}}"
+        operator: AnyIn
+        value:
+        - CREATE
+        - UPDATE
+    mutate:
+      foreach:
+      - list: "request.object.spec.containers[]"
+        patchStrategicMerge:
+          spec:
+            containers:
+            - (name): "{{element.name}}"
+              resources:
+                requests:
+                  +(memory): "100Mi"
+                  +(cpu): "100m"

test/cli/test-mutate/add-default-resources/kyverno-test.yaml

@@ -0,0 +1,24 @@
+name: add-default-resources
+policies:
+  - add-default-resources.yaml
+resources:
+  - resource.yaml
+results:
+  - policy: add-default-resources
+    rule: add-default-requests
+    resource: nginx-demo1
+    patchedResource: patchedResource1.yaml
+    kind: Pod
+    result: pass
+  - policy: add-default-resources
+    rule: add-default-requests
+    resource: nginx-demo2
+    patchedResource: patchedResource2.yaml
+    kind: Pod
+    result: skip
+  - policy: add-default-resources
+    rule: add-default-requests
+    resource: nginx-demo3
+    patchedResource: patchedResource3.yaml
+    kind: Pod
+    result: pass

test/cli/test-mutate/add-default-resources/patchedResource1.yaml

@@ -0,0 +1,12 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: nginx-demo1
+spec:
+  containers:
+  - name: nginx
+    image: nginx:1.14.2
+    resources:
+      requests:
+        memory: "100Mi" 
+        cpu: "100m"

test/cli/test-mutate/add-default-resources/patchedResource2.yaml

@@ -0,0 +1,12 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: nginx-demo2
+spec:
+  containers:
+  - name: nginx
+    image: nginx:latest
+    resources:
+      requests:
+        memory: "200Mi" 
+        cpu: "200m"

test/cli/test-mutate/add-default-resources/patchedResource3.yaml

@@ -0,0 +1,18 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: nginx-demo3
+spec:
+  containers:
+  - name: nginx
+    image: nginx:latest
+    resources:
+      requests:
+        memory: "200Mi" 
+        cpu: "100m"
+  - name: busybox
+    image: busybox:latest
+    resources:
+      requests:
+        memory: "100Mi" 
+        cpu: "100m"

test/cli/test-mutate/add-default-resources/resource.yaml

@@ -0,0 +1,35 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: nginx-demo1
+spec:
+  containers:
+  - name: nginx
+    image: nginx:1.14.2
+---
+apiVersion: v1
+kind: Pod
+metadata:
+  name: nginx-demo2
+spec:
+  containers:
+  - name: nginx
+    image: nginx:latest
+    resources:
+      requests:
+        memory: "200Mi" 
+        cpu: "200m"
+---
+apiVersion: v1
+kind: Pod
+metadata:
+  name: nginx-demo3
+spec:
+  containers:
+  - name: nginx
+    image: nginx:latest
+    resources:
+      requests:
+        memory: "200Mi" 
+  - name: busybox
+    image: busybox:latest