fixes bug inside of LintChart() (#55)

ValidateMaintainers() should only be called when the respective config
element is set to true.

Signed-off-by: Sonny Garcia <sonnygarcia@icloud.com>

pkg/chart/chart.go

@@ -296,9 +296,11 @@ func (t *Testing) LintChart(chart string, valuesFiles []string) TestResult {
 		return result
 	}
 
-	if err := t.ValidateMaintainers(chart); err != nil {
-		result.Error = err
-		return result
+	if t.config.ValidateMaintainers {
+		if err := t.ValidateMaintainers(chart); err != nil {
+			result.Error = err
+			return result
+		}
 	}
 
 	if len(valuesFiles) > 0 {

pkg/chart/chart_test.go

@@ -94,6 +94,22 @@ func (v fakeAccountValidator) Validate(repoDomain string, account string) error
 	return errors.New(fmt.Sprintf("Error validating account: %s", account))
 }
 
+type fakeLinter struct{}
+
+func (l fakeLinter) YamlLint(yamlFile, configFile string) error { return nil }
+func (l fakeLinter) Yamale(yamlFile, schemaFile string)  error { return nil }
+
+type fakeHelm struct{}
+
+func (h fakeHelm) Init() error { return nil }
+func (h fakeHelm) AddRepo(name, url string) error { return nil }
+func (h fakeHelm) BuildDependencies(chart string) error { return nil }
+func (h fakeHelm) Lint(chart string) error { return nil }
+func (h fakeHelm) LintWithValues(chart string, valuesFile string) error { return nil }
+func (h fakeHelm) Install(chart string, namespace string, release string) error { return nil }
+func (h fakeHelm) InstallWithValues(chart string, valuesFile string, namespace string, release string) error { return nil }
+func (h fakeHelm) DeleteRelease(release string) {}
+
 var ct Testing
 
 func init() {
@@ -107,6 +123,8 @@ func init() {
 		git:              fakeGit{},
 		chartUtils:       fakeChartUtils{},
 		accountValidator: fakeAccountValidator{},
+		linter: 		  fakeLinter{},
+		helm: 			  fakeHelm{},
 	}
 }
 
@@ -145,3 +163,37 @@ func TestValidateMaintainers(t *testing.T) {
 		})
 	}
 }
+
+func TestLintChartMaintainerValidation(t *testing.T) {
+	type testData struct {
+			name     string
+			chartDir string
+			expected bool
+	}
+
+	runTests := func(validate bool) {
+		ct.config.ValidateMaintainers = validate
+
+		var suffix string
+		if validate {
+			suffix = "with-validation"
+		} else {
+			suffix = "without-validation"
+		}
+
+		testCases := []testData {
+			{fmt.Sprintf("maintainers-%s", suffix), "testdata/valid_maintainers", true},
+			{fmt.Sprintf("no-maintainers-%s", suffix), "testdata/no_maintainers", !validate},
+		}
+
+		for _, testData := range testCases {
+			t.Run(testData.name, func(t *testing.T) {
+				result := ct.LintChart(testData.chartDir, []string{})
+				assert.Equal(t, testData.expected, result.Error == nil)
+			})
+		}
+	}
+
+	runTests(true)
+	runTests(false)
+}