Add unit test for pkg/chart/chart.go

Signed-off-by: Hu Shuai <hus.fnst@cn.fujitsu.com>

pkg/chart/chart_test.go

@@ -78,3 +78,21 @@ func TestSaveChartNoRawData(t *testing.T) {
 
 	is.Equal([]*File(nil), res.Raw)
 }
+
+func TestMetadata(t *testing.T) {
+	chrt := Chart{
+		Metadata: &Metadata{
+			Name:       "foo.yaml",
+			AppVersion: "1.0.0",
+			APIVersion: "v2",
+			Version:    "1.0.0",
+			Type:       "application",
+		},
+	}
+
+	is := assert.New(t)
+
+	is.Equal("foo.yaml", chrt.Name())
+	is.Equal("1.0.0", chrt.AppVersion())
+	is.Equal(nil, chrt.Validate())
+}