Add test for content sha

pkg/cli/watch.go

@@ -15,7 +15,7 @@ func Watch() *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   "watch",
 		Short: "Watch an upstream for updates",
-		Long:  `Watch will poll the upstream source for changes, and block until a
+		Long: `Watch will poll the upstream source for changes, and block until a
 change has been published. The watch command will return with an exit code
 of 0 when there's an update available.`,
 		RunE: func(cmd *cobra.Command, args []string) error {

pkg/specs/chart_test.go

@@ -14,11 +14,13 @@ import (
 	"github.com/go-kit/kit/log"
 
 	"github.com/replicatedhq/ship/pkg/constants"
+	"github.com/replicatedhq/ship/pkg/state"
 
 	"github.com/google/go-github/github"
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
 	"github.com/spf13/afero"
+	"github.com/spf13/viper"
 )
 
 var client *github.Client
@@ -151,6 +153,33 @@ var _ = Describe("GithubClient", func() {
 			})
 		})
 	})
+
+	Describe("calculateContentSHA", func() {
+		Context("With multiple files", func() {
+			It("should calculate the same sha, mulitple times", func() {
+				mockFs := afero.Afero{Fs: afero.NewMemMapFs()}
+				mockFs.WriteFile("Chart.yaml", []byte("chart.yaml"), 0755)
+				mockFs.WriteFile("templates/README.md", []byte("readme"), 0755)
+
+				r := Resolver{
+					FS: mockFs,
+					StateManager: &state.MManager{
+						Logger: log.NewNopLogger(),
+						FS:     mockFs,
+						V:      viper.New(),
+					},
+				}
+
+				firstPass, err := r.calculateContentSHA("")
+				Expect(err).NotTo(HaveOccurred())
+
+				secondPass, err := r.calculateContentSHA("")
+				Expect(err).NotTo(HaveOccurred())
+
+				Expect(firstPass).To(Equal(secondPass))
+			})
+		})
+	})
 })
 
 var _ = AfterSuite(func() {