add test scenario - missing image tag

pkg/testrunner/testrunner_test.go

@@ -64,6 +64,10 @@ func Test_validate_require_image_tag_not_latest_deny(t *testing.T) {
 	testScenario(t, "test/scenarios/test/scenario_valiadate_require_image_tag_not_latest_deny.yaml")
 }
 
+func Test_validate_require_image_tag_not_latest_notag(t *testing.T) {
+	testScenario(t, "test/scenarios/test/scenario_valiadate_require_image_tag_not_latest_notag.yaml")
+}
+
 func Test_validate_require_image_tag_not_latest_pass(t *testing.T) {
 	testScenario(t, "test/scenarios/test/scenario_valiadate_require_image_tag_not_latest_pass.yaml")
 }

test/manifest/require_image_tag_not_latest_notag.yaml

@@ -0,0 +1,10 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: myapp-pod
+  labels:
+    app: myapp
+spec: 
+  containers:
+  - name: nginx
+    image: nginx

test/scenarios/test/scenario_valiadate_require_image_tag_not_latest_notag.yaml

@@ -0,0 +1,22 @@
+# file path relative to project root
+input:
+  policy: samples/best_practices/require_image_tag_not_latest.yaml
+  resource: test/manifest/require_image_tag_not_latest_notag.yaml
+expected:
+  validation:
+    policyresponse:
+      policy: validate-image-tag
+      resource:
+        kind: Pod
+        apiVersion: v1
+        namespace: ''
+        name: myapp-pod
+      rules:
+        - name: image-tag-notspecified
+          type: Validation
+          message: Validation rule 'image-tag-notspecified' failed at '/spec/containers/0/image/' for resource Pod//myapp-pod. image tag not specified
+          success: false
+        - name: image-tag-not-latest
+          type: Validation
+          message: Validation rule 'image-tag-not-latest' succesfully validated
+          success: true