add unit test for export format

- add coverage for cannonical export format
   - add new subchart3 for testing purposes

solved: #7045
Signed-off-by: ferantivero <v-fean@microsoft.com>

pkg/chartutil/requirements_test.go

@@ -295,6 +295,9 @@ func TestProcessRequirementsImportValues(t *testing.T) {
 	e["SCBexported2A"] = "blaster"
 	e["global.SC1exported2.all.SC1exported3"] = "SC1expstr"
 
+	e["SCCdata.SCCstring"] = "mugwort"
+	e["SCCdata.SCCint"] = "42"
+
 	verifyRequirementsImportValues(t, c, v, e)
 }
 func verifyRequirementsImportValues(t *testing.T, c *chart.Chart, v *chart.Config, e map[string]string) {

pkg/chartutil/testdata/subpop/charts/subchart3/.helmignore

@@ -0,0 +1,22 @@
+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/

pkg/chartutil/testdata/subpop/charts/subchart3/Chart.yaml

@@ -0,0 +1,5 @@
+apiVersion: v1
+appVersion: "1.0"
+description: A Helm chart for Kubernetes
+name: subchart3
+version: 0.1.0

pkg/chartutil/testdata/subpop/charts/subchart3/values.yaml

@@ -0,0 +1,4 @@
+exports:
+  data:
+    SCCdata:
+      SCCstring: "mugwort"

pkg/chartutil/testdata/subpop/requirements.yaml

@@ -35,3 +35,12 @@ dependencies:
         repository: http://localhost:10191
         version: 0.1.0
         condition: subchart2alias.enabled
+
+      - name: subchart3
+        repository: http://localhost:10191
+        version: 0.1.0
+        condition: subchart3.enabled
+        import-values:
+          - data
+
+

pkg/chartutil/testdata/subpop/values.yaml

@@ -35,9 +35,16 @@ overridden-chartA-B:
   SCBstring: "jango"
   SPextra6: 111
 
+SCCdata:
+  SCCstring: "jaberwocky"
+  SCCint: 42
+
 tags:
   front-end: true
   back-end: false
 
+subchart3:
+  enabled: false
+
 subchart2alias:
   enabled: false