Improve command package isolation.

pkg/commands/build/testdata/testcase-configmaps/base/myapp/mycomponent/kustomization.yaml

@@ -0,0 +1,6 @@
+namePrefix: p1-
+configMapGenerator:
+- name: com1
+  behavior: create
+  literals:
+    - from=base

pkg/commands/build/testdata/testcase-configmaps/base/myapp/mycomponent2/kustomization.yaml

@@ -0,0 +1,6 @@
+namePrefix: p2-
+configMapGenerator:
+- name: com2
+  behavior: create
+  literals:
+    - from=base

pkg/commands/build/testdata/testcase-configmaps/expected.diff

@@ -0,0 +1,16 @@
+diff -u -N /tmp/noop/v1_ConfigMap_com1.yaml /tmp/transformed/v1_ConfigMap_com1.yaml
+--- /tmp/noop/v1_ConfigMap_com1.yaml	YYYY-MM-DD HH:MM:SS
++++ /tmp/transformed/v1_ConfigMap_com1.yaml	YYYY-MM-DD HH:MM:SS
+@@ -1,9 +1,11 @@
+ apiVersion: v1
+ data:
++  baz: qux
++  foo: bar
+   from: overlay
+ kind: ConfigMap
+ metadata:
+   annotations: {}
+   creationTimestamp: null
+   labels: {}
+-  name: p1-com1-cmdb776d5b
++  name: p1-com1-dhbbm922gd

pkg/commands/build/testdata/testcase-configmaps/expected.yaml

@@ -0,0 +1,19 @@
+apiVersion: v1
+data:
+  baz: qux
+  foo: bar
+  from: overlay
+kind: ConfigMap
+metadata:
+  annotations: {}
+  labels: {}
+  name: p1-com1-dhbbm922gd
+---
+apiVersion: v1
+data:
+  from: overlay
+kind: ConfigMap
+metadata:
+  annotations: {}
+  labels: {}
+  name: p2-com2-c4b8md75k9

pkg/commands/build/testdata/testcase-configmaps/overlay/dev/kustomization.yaml

@@ -0,0 +1,9 @@
+bases:
+- myapp/mycomponent
+- myapp/mycomponent2
+configMapGenerator:
+- name: com1
+  behavior: merge
+  literals:
+    - foo=bar
+    - baz=qux

pkg/commands/build/testdata/testcase-configmaps/overlay/dev/myapp/mycomponent/kustomization.yaml

@@ -0,0 +1,7 @@
+bases:
+- ../../../../base/myapp/mycomponent
+configMapGenerator:
+- name: com1
+  behavior: merge
+  literals:
+    - from=overlay

pkg/commands/build/testdata/testcase-configmaps/overlay/dev/myapp/mycomponent2/kustomization.yaml

@@ -0,0 +1,7 @@
+bases:
+- ../../../../base/myapp/mycomponent2
+configMapGenerator:
+- name: com2
+  behavior: merge
+  literals:
+    - from=overlay

pkg/commands/build/testdata/testcase-configmaps/test.yaml

@@ -0,0 +1,5 @@
+description: configmap generator overlay
+args: []
+filename: testdata/testcase-configmaps/overlay/dev
+expectedStdout: testdata/testcase-configmaps/expected.yaml
+expectedDiff: testdata/testcase-configmaps/expected.diff