Convert multi-patch test to in-memory.

pkg/commands/build/build_test.go

@@ -27,7 +27,6 @@ import (
 
 	"github.com/ghodss/yaml"
 	"sigs.k8s.io/kustomize/k8sdeps"
-	"sigs.k8s.io/kustomize/pkg/commands/kustfile"
 	"sigs.k8s.io/kustomize/pkg/constants"
 	"sigs.k8s.io/kustomize/pkg/fs"
 )
@@ -98,10 +97,6 @@ func TestBuild(t *testing.T) {
 		}
 		return nil
 	})
-	// sanity check that we found the right folder
-	if !kustfile.StringInSlice("multiple-patches-noconflict", testcases) {
-		t.Fatalf("Error locating testcases")
-	}
 	for _, testcaseName := range testcases {
 		t.Run(testcaseName,
 			func(t *testing.T) {

pkg/commands/build/testdata/testcase-multiple-patches-conflict/in/overlay/deployment-patch1.yaml

@@ -1,20 +0,0 @@
-apiVersion: apps/v1beta2
-kind: Deployment
-metadata:
-  name: nginx
-spec:
-  template:
-    spec:
-      containers:
-      - name: nginx
-        env:
-        - name: ENABLE_FEATURE_FOO
-          value: TRUE
-      volumes:
-      - name: nginx-persistent-storage
-        emptyDir: null
-        gcePersistentDisk:
-          pdName: nginx-persistent-storage
-      - configMap:
-          name: configmap-in-overlay
-        name: configmap-in-overlay

pkg/commands/build/testdata/testcase-multiple-patches-conflict/in/overlay/deployment-patch2.yaml

@@ -1,12 +0,0 @@
-apiVersion: apps/v1beta2
-kind: Deployment
-metadata:
-  name: nginx
-spec:
-  template:
-    spec:
-      containers:
-      - name: nginx
-        env:
-        - name: ENABLE_FEATURE_FOO
-          value: FALSE

pkg/commands/build/testdata/testcase-multiple-patches-conflict/in/overlay/kustomization.yaml

@@ -1,14 +0,0 @@
-apiVersion: v1beta1
-kind: Kustomization
-namePrefix: staging-
-commonLabels:
-  env: staging
-patchesStrategicMerge:
-  - deployment-patch2.yaml
-  - deployment-patch1.yaml
-bases:
-  - ../package/
-configMapGenerator:
-  - name: configmap-in-overlay
-    literals:
-      - hello=world

pkg/commands/build/testdata/testcase-multiple-patches-conflict/in/package/deployment.yaml

@@ -1,24 +0,0 @@
-apiVersion: apps/v1beta2
-kind: Deployment
-metadata:
-  name: nginx
-  labels:
-    app: nginx
-spec:
-  template:
-    metadata:
-      labels:
-        app: nginx
-    spec:
-      containers:
-      - name: nginx
-        image: nginx
-        volumeMounts:
-        - name: nginx-persistent-storage
-          mountPath: /tmp/ps
-      volumes:
-      - name: nginx-persistent-storage
-        emptyDir: {}
-      - configMap:
-          name: configmap-in-base
-        name: configmap-in-base

pkg/commands/build/testdata/testcase-multiple-patches-conflict/in/package/kustomization.yaml

@@ -1,16 +0,0 @@
-apiVersion: v1beta1
-kind: Kustomization
-namePrefix: team-foo-
-commonLabels:
-  app: mynginx
-  org: example.com
-  team: foo
-commonAnnotations:
-  note: This is a test annotation
-resources:
-  - deployment.yaml
-  - service.yaml
-configMapGenerator:
-  - name: configmap-in-base
-    literals:
-      - foo=bar

pkg/commands/build/testdata/testcase-multiple-patches-conflict/in/package/service.yaml

@@ -1,11 +0,0 @@
-apiVersion: v1
-kind: Service
-metadata:
-  name: nginx
-  labels:
-    app: nginx
-spec:
-  ports:
-    - port: 80
-  selector:
-    app: nginx

pkg/commands/build/testdata/testcase-multiple-patches-conflict/test.yaml

@@ -1,4 +0,0 @@
-description: conflict between multiple patches
-args: []
-filename: testdata/testcase-multiple-patches-conflict/in/overlay/
-expectedError: conflict

pkg/commands/build/testdata/testcase-multiple-patches-noconflict/expected.diff

@@ -1,99 +0,0 @@
-diff -u -N /tmp/noop/apps_v1beta2_Deployment_nginx.yaml /tmp/transformed/apps_v1beta2_Deployment_nginx.yaml
---- /tmp/noop/apps_v1beta2_Deployment_nginx.yaml	YYYY-MM-DD HH:MM:SS
-+++ /tmp/transformed/apps_v1beta2_Deployment_nginx.yaml	YYYY-MM-DD HH:MM:SS
-@@ -5,13 +5,15 @@
-     note: This is a test annotation
-   labels:
-     app: mynginx
-+    env: staging
-     org: example.com
-     team: foo
--  name: team-foo-nginx
-+  name: staging-team-foo-nginx
- spec:
-   selector:
-     matchLabels:
-       app: mynginx
-+      env: staging
-       org: example.com
-       team: foo
-   template:
-@@ -20,18 +22,30 @@
-         note: This is a test annotation
-       labels:
-         app: mynginx
-+        env: staging
-         org: example.com
-         team: foo
-     spec:
-       containers:
--      - image: nginx
-+      - env:
-+        - name: ANOTHERENV
-+          value: FOO
-+        - name: ENVKEY
-+          value: ENVVALUE
-+        image: nginx:latest
-         name: nginx
-         volumeMounts:
-         - mountPath: /tmp/ps
-           name: nginx-persistent-storage
-+      - image: sidecar
-+        name: sidecar
-       volumes:
--      - emptyDir: {}
-+      - gcePersistentDisk:
-+          pdName: nginx-persistent-storage
-         name: nginx-persistent-storage
-       - configMap:
--          name: team-foo-configmap-in-base-bbdmdh7m8t
-+          name: staging-configmap-in-overlay-k7cbc75tg8
-+        name: configmap-in-overlay
-+      - configMap:
-+          name: staging-team-foo-configmap-in-base-g7k6gt2889
-         name: configmap-in-base
-diff -u -N /tmp/noop/v1_ConfigMap_configmap-in-base.yaml /tmp/transformed/v1_ConfigMap_configmap-in-base.yaml
---- /tmp/noop/v1_ConfigMap_configmap-in-base.yaml	YYYY-MM-DD HH:MM:SS
-+++ /tmp/transformed/v1_ConfigMap_configmap-in-base.yaml	YYYY-MM-DD HH:MM:SS
-@@ -8,6 +8,7 @@
-   creationTimestamp: null
-   labels:
-     app: mynginx
-+    env: staging
-     org: example.com
-     team: foo
--  name: team-foo-configmap-in-base-bbdmdh7m8t
-+  name: staging-team-foo-configmap-in-base-g7k6gt2889
-diff -u -N /tmp/noop/v1_ConfigMap_configmap-in-overlay.yaml /tmp/transformed/v1_ConfigMap_configmap-in-overlay.yaml
---- /tmp/noop/v1_ConfigMap_configmap-in-overlay.yaml	YYYY-MM-DD HH:MM:SS
-+++ /tmp/transformed/v1_ConfigMap_configmap-in-overlay.yaml	YYYY-MM-DD HH:MM:SS
-@@ -0,0 +1,9 @@
-+apiVersion: v1
-+data:
-+  hello: world
-+kind: ConfigMap
-+metadata:
-+  creationTimestamp: null
-+  labels:
-+    env: staging
-+  name: staging-configmap-in-overlay-k7cbc75tg8
-diff -u -N /tmp/noop/v1_Service_nginx.yaml /tmp/transformed/v1_Service_nginx.yaml
---- /tmp/noop/v1_Service_nginx.yaml	YYYY-MM-DD HH:MM:SS
-+++ /tmp/transformed/v1_Service_nginx.yaml	YYYY-MM-DD HH:MM:SS
-@@ -5,13 +5,15 @@
-     note: This is a test annotation
-   labels:
-     app: mynginx
-+    env: staging
-     org: example.com
-     team: foo
--  name: team-foo-nginx
-+  name: staging-team-foo-nginx
- spec:
-   ports:
-   - port: 80
-   selector:
-     app: mynginx
-+    env: staging
-     org: example.com
-     team: foo

pkg/commands/build/testdata/testcase-multiple-patches-noconflict/expected.yaml

@@ -1,94 +0,0 @@
-apiVersion: v1
-data:
-  foo: bar
-kind: ConfigMap
-metadata:
-  annotations:
-    note: This is a test annotation
-  labels:
-    app: mynginx
-    env: staging
-    org: example.com
-    team: foo
-  name: staging-team-foo-configmap-in-base-g7k6gt2889
----
-apiVersion: v1
-data:
-  hello: world
-kind: ConfigMap
-metadata:
-  labels:
-    env: staging
-  name: staging-configmap-in-overlay-k7cbc75tg8
----
-apiVersion: v1
-kind: Service
-metadata:
-  annotations:
-    note: This is a test annotation
-  labels:
-    app: mynginx
-    env: staging
-    org: example.com
-    team: foo
-  name: staging-team-foo-nginx
-spec:
-  ports:
-  - port: 80
-  selector:
-    app: mynginx
-    env: staging
-    org: example.com
-    team: foo
----
-apiVersion: apps/v1beta2
-kind: Deployment
-metadata:
-  annotations:
-    note: This is a test annotation
-  labels:
-    app: mynginx
-    env: staging
-    org: example.com
-    team: foo
-  name: staging-team-foo-nginx
-spec:
-  selector:
-    matchLabels:
-      app: mynginx
-      env: staging
-      org: example.com
-      team: foo
-  template:
-    metadata:
-      annotations:
-        note: This is a test annotation
-      labels:
-        app: mynginx
-        env: staging
-        org: example.com
-        team: foo
-    spec:
-      containers:
-      - env:
-        - name: ANOTHERENV
-          value: FOO
-        - name: ENVKEY
-          value: ENVVALUE
-        image: nginx:latest
-        name: nginx
-        volumeMounts:
-        - mountPath: /tmp/ps
-          name: nginx-persistent-storage
-      - image: sidecar
-        name: sidecar
-      volumes:
-      - gcePersistentDisk:
-          pdName: nginx-persistent-storage
-        name: nginx-persistent-storage
-      - configMap:
-          name: staging-configmap-in-overlay-k7cbc75tg8
-        name: configmap-in-overlay
-      - configMap:
-          name: staging-team-foo-configmap-in-base-g7k6gt2889
-        name: configmap-in-base

pkg/commands/build/testdata/testcase-multiple-patches-noconflict/in/overlay/kustomization.yaml

@@ -1,14 +0,0 @@
-apiVersion: v1beta1
-kind: Kustomization
-namePrefix: staging-
-commonLabels:
-  env: staging
-patchesStrategicMerge:
-  - patches/deployment-patch1.yaml
-  - patches/deployment-patch2.yaml
-bases:
-  - ../package/
-configMapGenerator:
-  - name: configmap-in-overlay
-    literals:
-      - hello=world

pkg/commands/build/testdata/testcase-multiple-patches-noconflict/in/overlay/patches/deployment-patch1.yaml

@@ -1,21 +0,0 @@
-apiVersion: apps/v1beta2
-kind: Deployment
-metadata:
-  name: nginx
-spec:
-  template:
-    spec:
-      containers:
-      - name: nginx
-        image: nginx:latest
-        env:
-        - name: ENVKEY
-          value: ENVVALUE
-      volumes:
-      - name: nginx-persistent-storage
-        emptyDir: null
-        gcePersistentDisk:
-          pdName: nginx-persistent-storage
-      - configMap:
-          name: configmap-in-overlay
-        name: configmap-in-overlay

pkg/commands/build/testdata/testcase-multiple-patches-noconflict/in/overlay/patches/deployment-patch2.yaml

@@ -1,16 +0,0 @@
-apiVersion: apps/v1beta2
-kind: Deployment
-metadata:
-  name: nginx
-spec:
-  template:
-    spec:
-      containers:
-      - name: nginx
-        env:
-        - name: ANOTHERENV
-          value: FOO
-      - name: sidecar
-        image: sidecar
-      volumes:
-      - name: nginx-persistent-storage

pkg/commands/build/testdata/testcase-multiple-patches-noconflict/in/package/deployment.yaml

@@ -1,24 +0,0 @@
-apiVersion: apps/v1beta2
-kind: Deployment
-metadata:
-  name: nginx
-  labels:
-    app: nginx
-spec:
-  template:
-    metadata:
-      labels:
-        app: nginx
-    spec:
-      containers:
-      - name: nginx
-        image: nginx
-        volumeMounts:
-        - name: nginx-persistent-storage
-          mountPath: /tmp/ps
-      volumes:
-      - name: nginx-persistent-storage
-        emptyDir: {}
-      - configMap:
-          name: configmap-in-base
-        name: configmap-in-base

pkg/commands/build/testdata/testcase-multiple-patches-noconflict/in/package/kustomization.yaml

@@ -1,16 +0,0 @@
-apiVersion: v1beta1
-kind: Kustomization
-namePrefix: team-foo-
-commonLabels:
-  app: mynginx
-  org: example.com
-  team: foo
-commonAnnotations:
-  note: This is a test annotation
-resources:
-  - deployment.yaml
-  - service.yaml
-configMapGenerator:
-  - name: configmap-in-base
-    literals:
-      - foo=bar

pkg/commands/build/testdata/testcase-multiple-patches-noconflict/in/package/service.yaml

@@ -1,11 +0,0 @@
-apiVersion: v1
-kind: Service
-metadata:
-  name: nginx
-  labels:
-    app: nginx
-spec:
-  ports:
-    - port: 80
-  selector:
-    app: nginx

pkg/commands/build/testdata/testcase-multiple-patches-noconflict/test.yaml

@@ -1,5 +0,0 @@
-description: multiple patches no conflict
-args: []
-filename: testdata/testcase-multiple-patches-noconflict/in/overlay/
-expectedStdout: testdata/testcase-multiple-patches-noconflict/expected.yaml
-expectedDiff: testdata/testcase-multiple-patches-noconflict/expected.diff

pkg/target/multiplepatch_test.go

@@ -0,0 +1,293 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package target
+
+import (
+	"strings"
+	"testing"
+)
+
+func makeCommonFileForMultiplePatchTest(th *KustTestHarness) {
+	th.writeK("/app/base", `
+apiVersion: v1beta1
+kind: Kustomization
+namePrefix: team-foo-
+commonLabels:
+  app: mynginx
+  org: example.com
+  team: foo
+commonAnnotations:
+  note: This is a test annotation
+resources:
+  - deployment.yaml
+  - service.yaml
+configMapGenerator:
+  - name: configmap-in-base
+    literals:
+      - foo=bar
+`)
+	th.writeF("/app/base/deployment.yaml", `
+apiVersion: apps/v1beta2
+kind: Deployment
+metadata:
+  name: nginx
+  labels:
+    app: nginx
+spec:
+  template:
+    metadata:
+      labels:
+        app: nginx
+    spec:
+      containers:
+      - name: nginx
+        image: nginx
+        volumeMounts:
+        - name: nginx-persistent-storage
+          mountPath: /tmp/ps
+      volumes:
+      - name: nginx-persistent-storage
+        emptyDir: {}
+      - configMap:
+          name: configmap-in-base
+        name: configmap-in-base
+`)
+	th.writeF("/app/base/service.yaml", `
+apiVersion: v1
+kind: Service
+metadata:
+  name: nginx
+  labels:
+    app: nginx
+spec:
+  ports:
+    - port: 80
+  selector:
+    app: nginx
+`)
+	th.writeK("/app/overlay/staging", `
+apiVersion: v1beta1
+kind: Kustomization
+namePrefix: staging-
+commonLabels:
+  env: staging
+patchesStrategicMerge:
+  - deployment-patch1.yaml
+  - deployment-patch2.yaml
+bases:
+  - ../../base
+configMapGenerator:
+  - name: configmap-in-overlay
+    literals:
+      - hello=world
+`)
+}
+
+func TestMultiplePatchesNoConflict(t *testing.T) {
+	th := NewKustTestHarness(t, "/app/overlay/staging")
+	makeCommonFileForMultiplePatchTest(th)
+	th.writeF("/app/overlay/staging/deployment-patch1.yaml", `
+apiVersion: apps/v1beta2
+kind: Deployment
+metadata:
+  name: nginx
+spec:
+  template:
+    spec:
+      containers:
+      - name: nginx
+        image: nginx:latest
+        env:
+        - name: ENVKEY
+          value: ENVVALUE
+      volumes:
+      - name: nginx-persistent-storage
+        emptyDir: null
+        gcePersistentDisk:
+          pdName: nginx-persistent-storage
+      - configMap:
+          name: configmap-in-overlay
+        name: configmap-in-overlay
+`)
+	th.writeF("/app/overlay/staging/deployment-patch2.yaml", `
+apiVersion: apps/v1beta2
+kind: Deployment
+metadata:
+  name: nginx
+spec:
+  template:
+    spec:
+      containers:
+      - name: nginx
+        env:
+        - name: ANOTHERENV
+          value: FOO
+      - name: sidecar
+        image: sidecar
+      volumes:
+      - name: nginx-persistent-storage
+`)
+	m, err := th.makeKustTarget().MakeCustomizedResMap()
+	if err != nil {
+		t.Fatalf("Err: %v", err)
+	}
+	th.assertActualEqualsExpected(m, `
+apiVersion: v1
+data:
+  foo: bar
+kind: ConfigMap
+metadata:
+  annotations:
+    note: This is a test annotation
+  labels:
+    app: mynginx
+    env: staging
+    org: example.com
+    team: foo
+  name: staging-team-foo-configmap-in-base-g7k6gt2889
+---
+apiVersion: v1
+data:
+  hello: world
+kind: ConfigMap
+metadata:
+  labels:
+    env: staging
+  name: staging-configmap-in-overlay-k7cbc75tg8
+---
+apiVersion: v1
+kind: Service
+metadata:
+  annotations:
+    note: This is a test annotation
+  labels:
+    app: mynginx
+    env: staging
+    org: example.com
+    team: foo
+  name: staging-team-foo-nginx
+spec:
+  ports:
+  - port: 80
+  selector:
+    app: mynginx
+    env: staging
+    org: example.com
+    team: foo
+---
+apiVersion: apps/v1beta2
+kind: Deployment
+metadata:
+  annotations:
+    note: This is a test annotation
+  labels:
+    app: mynginx
+    env: staging
+    org: example.com
+    team: foo
+  name: staging-team-foo-nginx
+spec:
+  selector:
+    matchLabels:
+      app: mynginx
+      env: staging
+      org: example.com
+      team: foo
+  template:
+    metadata:
+      annotations:
+        note: This is a test annotation
+      labels:
+        app: mynginx
+        env: staging
+        org: example.com
+        team: foo
+    spec:
+      containers:
+      - env:
+        - name: ANOTHERENV
+          value: FOO
+        - name: ENVKEY
+          value: ENVVALUE
+        image: nginx:latest
+        name: nginx
+        volumeMounts:
+        - mountPath: /tmp/ps
+          name: nginx-persistent-storage
+      - image: sidecar
+        name: sidecar
+      volumes:
+      - gcePersistentDisk:
+          pdName: nginx-persistent-storage
+        name: nginx-persistent-storage
+      - configMap:
+          name: staging-configmap-in-overlay-k7cbc75tg8
+        name: configmap-in-overlay
+      - configMap:
+          name: staging-team-foo-configmap-in-base-g7k6gt2889
+        name: configmap-in-base
+`)
+}
+
+func TestMultiplePatchesWithConflict(t *testing.T) {
+	th := NewKustTestHarness(t, "/app/overlay/staging")
+	makeCommonFileForMultiplePatchTest(th)
+	th.writeF("/app/overlay/staging/deployment-patch1.yaml", `
+apiVersion: apps/v1beta2
+kind: Deployment
+metadata:
+  name: nginx
+spec:
+  template:
+    spec:
+      containers:
+      - name: nginx
+        env:
+        - name: ENABLE_FEATURE_FOO
+          value: TRUE
+      volumes:
+      - name: nginx-persistent-storage
+        emptyDir: null
+        gcePersistentDisk:
+          pdName: nginx-persistent-storage
+      - configMap:
+          name: configmap-in-overlay
+        name: configmap-in-overlay
+`)
+	th.writeF("/app/overlay/staging/deployment-patch2.yaml", `
+apiVersion: apps/v1beta2
+kind: Deployment
+metadata:
+  name: nginx
+spec:
+  template:
+    spec:
+      containers:
+      - name: nginx
+        env:
+        - name: ENABLE_FEATURE_FOO
+          value: FALSE
+`)
+	_, err := th.makeKustTarget().MakeCustomizedResMap()
+	if err == nil {
+		t.Fatalf("expected conflict")
+	}
+	if !strings.Contains(
+		err.Error(), "conflict between ") {
+		t.Fatalf("Unexpected err: %v", err)
+	}
+}

pkg/target/utils_for_test.go

@@ -151,6 +151,9 @@ func (th *KustTestHarness) assertActualEqualsExpected(
 func (th *KustTestHarness) reportDiffAndFail(actual []byte, expected string) {
 	sE, maxLen := convertToArray(expected)
 	sA, _ := convertToArray(string(actual))
+	fmt.Println("-- ACTUAL -----------------")
+	fmt.Println(string(actual))
+	fmt.Println("---------------------------")
 	format := fmt.Sprintf("%%s  %%-%ds %%s\n", maxLen+4)
 	limit := 0
 	if len(sE) < len(sA) {