test(e2e): cover pulling test for image spec 1.1.0-rc.2 artifact (#1098)

Signed-off-by: Billy Zha <[email protected]>

test/e2e/suite/command/pull.go

@@ -174,3 +174,43 @@ var _ = Describe("OCI image layout users:", func() {
 		})
 	})
 })
+
+var _ = Describe("OCI image spec v1.1.0-rc2 artifact users:", func() {
+	It("should pull all files in an image to a target folder", func() {
+		pullRoot := "pulled"
+		configName := "test.config"
+		tempDir := PrepareTempFiles()
+		stateKeys := append(foobar.ImageLayerStateKeys, foobar.ManifestStateKey, foobar.ImageConfigStateKey(configName))
+		ORAS("pull", RegistryRef(Host, ImageRepo, foobar.Tag), "-v", "--config", configName, "-o", pullRoot).
+			MatchStatus(stateKeys, true, len(stateKeys)).
+			WithWorkDir(tempDir).Exec()
+		// check config
+		configPath := filepath.Join(tempDir, pullRoot, configName)
+		Expect(configPath).Should(BeAnExistingFile())
+		f, err := os.Open(configPath)
+		Expect(err).ShouldNot(HaveOccurred())
+		defer f.Close()
+		Eventually(gbytes.BufferReader(f)).Should(gbytes.Say("{}"))
+		for _, f := range foobar.ImageLayerNames {
+			// check layers
+			Binary("diff", filepath.Join(tempDir, "foobar", f), filepath.Join(pullRoot, f)).
+				WithWorkDir(tempDir).Exec()
+		}
+
+		ORAS("pull", RegistryRef(Host, ImageRepo, foobar.Tag), "-v", "-o", pullRoot, "--keep-old-files").
+			ExpectFailure().
+			WithDescription("fail if overwrite old files are disabled")
+	})
+
+	It("should pull subject", func() {
+		tempDir := GinkgoT().TempDir()
+		stateKeys := append(append(
+			foobar.ImageLayerStateKeys,
+			foobar.ManifestStateKey),
+			foobar.ArtifactReferrerStateKeys...,
+		)
+		ORAS("pull", RegistryRef(Host, ArtifactRepo, foobar.SignatureArtifactReferrer.Digest.String()), "-v", "--include-subject").
+			MatchStatus(stateKeys, true, len(stateKeys)).
+			WithWorkDir(tempDir).Exec()
+	})
+})