7203 - add unittests

Signed-off-by: Lee Bontecou <lbontecou@thezebra.com>

cmd/helm/template_test.go

@@ -84,6 +84,16 @@ func TestTemplateCmd(t *testing.T) {
 			cmd:    fmt.Sprintf("template '%s' --include-crds", chartPath),
 			golden: "output/template-with-crds.txt",
 		},
+        {
+            name:   "template with show-only one",
+            cmd:    fmt.Sprintf("template '%s' --show-only templates/service.yaml", chartPath),
+            golden: "output/template-show-only-one.txt",
+        },
+        {
+            name:   "template with show-only multiple",
+            cmd:    fmt.Sprintf("template '%s' --show-only templates/service.yaml --show-only charts/subcharta/templates/service.yaml", chartPath),
+            golden: "output/template-show-only-multiple.txt",
+        },
 	}
 	runTestCmd(t, tests)
 }

cmd/helm/testdata/output/template-show-only-multiple.txt

@@ -0,0 +1,39 @@
+---
+# Source: subchart1/templates/service.yaml
+apiVersion: v1
+kind: Service
+metadata:
+  name: subchart1
+  labels:
+    helm.sh/chart: "subchart1-0.1.0"
+    app.kubernetes.io/instance: "RELEASE-NAME"
+    kube-version/major: "1"
+    kube-version/minor: "16"
+    kube-version/version: "v1.16.0"
+    kube-api-version/test: v1
+spec:
+  type: ClusterIP
+  ports:
+  - port: 80
+    targetPort: 80
+    protocol: TCP
+    name: nginx
+  selector:
+    app.kubernetes.io/name: subchart1
+---
+# Source: subchart1/charts/subcharta/templates/service.yaml
+apiVersion: v1
+kind: Service
+metadata:
+  name: subcharta
+  labels:
+    helm.sh/chart: "subcharta-0.1.0"
+spec:
+  type: ClusterIP
+  ports:
+  - port: 80
+    targetPort: 80
+    protocol: TCP
+    name: apache
+  selector:
+    app.kubernetes.io/name: subcharta

cmd/helm/testdata/output/template-show-only-one.txt

@@ -0,0 +1,22 @@
+---
+# Source: subchart1/templates/service.yaml
+apiVersion: v1
+kind: Service
+metadata:
+  name: subchart1
+  labels:
+    helm.sh/chart: "subchart1-0.1.0"
+    app.kubernetes.io/instance: "RELEASE-NAME"
+    kube-version/major: "1"
+    kube-version/minor: "16"
+    kube-version/version: "v1.16.0"
+    kube-api-version/test: v1
+spec:
+  type: ClusterIP
+  ports:
+  - port: 80
+    targetPort: 80
+    protocol: TCP
+    name: nginx
+  selector:
+    app.kubernetes.io/name: subchart1