Switch to github.com/golang/dep for vendoring

Signed-off-by: Mrunal Patel <mrunalp@gmail.com>

vendor/github.com/containers/image/signature/docker_test.go

@@ -0,0 +1,101 @@
+package signature
+
+import (
+	"io/ioutil"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestSignDockerManifest(t *testing.T) {
+	mech, err := newGPGSigningMechanismInDirectory(testGPGHomeDirectory)
+	require.NoError(t, err)
+	manifest, err := ioutil.ReadFile("fixtures/image.manifest.json")
+	require.NoError(t, err)
+
+	// Successful signing
+	signature, err := SignDockerManifest(manifest, TestImageSignatureReference, mech, TestKeyFingerprint)
+	require.NoError(t, err)
+
+	verified, err := VerifyDockerManifestSignature(signature, manifest, TestImageSignatureReference, mech, TestKeyFingerprint)
+	assert.NoError(t, err)
+	assert.Equal(t, TestImageSignatureReference, verified.DockerReference)
+	assert.Equal(t, TestImageManifestDigest, verified.DockerManifestDigest)
+
+	// Error computing Docker manifest
+	invalidManifest, err := ioutil.ReadFile("fixtures/v2s1-invalid-signatures.manifest.json")
+	require.NoError(t, err)
+	_, err = SignDockerManifest(invalidManifest, TestImageSignatureReference, mech, TestKeyFingerprint)
+	assert.Error(t, err)
+
+	// Error creating blob to sign
+	_, err = SignDockerManifest(manifest, "", mech, TestKeyFingerprint)
+	assert.Error(t, err)
+
+	// Error signing
+	_, err = SignDockerManifest(manifest, TestImageSignatureReference, mech, "this fingerprint doesn't exist")
+	assert.Error(t, err)
+}
+
+func TestVerifyDockerManifestSignature(t *testing.T) {
+	mech, err := newGPGSigningMechanismInDirectory(testGPGHomeDirectory)
+	require.NoError(t, err)
+	manifest, err := ioutil.ReadFile("fixtures/image.manifest.json")
+	require.NoError(t, err)
+	signature, err := ioutil.ReadFile("fixtures/image.signature")
+	require.NoError(t, err)
+
+	// Successful verification
+	sig, err := VerifyDockerManifestSignature(signature, manifest, TestImageSignatureReference, mech, TestKeyFingerprint)
+	require.NoError(t, err)
+	assert.Equal(t, TestImageSignatureReference, sig.DockerReference)
+	assert.Equal(t, TestImageManifestDigest, sig.DockerManifestDigest)
+
+	// Verification using a different canonicalization of TestImageSignatureReference
+	sig, err = VerifyDockerManifestSignature(signature, manifest, "docker.io/"+TestImageSignatureReference, mech, TestKeyFingerprint)
+	require.NoError(t, err)
+	assert.Equal(t, TestImageSignatureReference, sig.DockerReference)
+	assert.Equal(t, TestImageManifestDigest, sig.DockerManifestDigest)
+
+	// For extra paranoia, test that we return nil data on error.
+
+	// Invalid docker reference on input
+	sig, err = VerifyDockerManifestSignature(signature, manifest, "UPPERCASEISINVALID", mech, TestKeyFingerprint)
+	assert.Error(t, err)
+	assert.Nil(t, sig)
+
+	// Error computing Docker manifest
+	invalidManifest, err := ioutil.ReadFile("fixtures/v2s1-invalid-signatures.manifest.json")
+	require.NoError(t, err)
+	sig, err = VerifyDockerManifestSignature(signature, invalidManifest, TestImageSignatureReference, mech, TestKeyFingerprint)
+	assert.Error(t, err)
+	assert.Nil(t, sig)
+
+	// Error verifying signature
+	corruptSignature, err := ioutil.ReadFile("fixtures/corrupt.signature")
+	sig, err = VerifyDockerManifestSignature(corruptSignature, manifest, TestImageSignatureReference, mech, TestKeyFingerprint)
+	assert.Error(t, err)
+	assert.Nil(t, sig)
+
+	// Key fingerprint mismatch
+	sig, err = VerifyDockerManifestSignature(signature, manifest, TestImageSignatureReference, mech, "unexpected fingerprint")
+	assert.Error(t, err)
+	assert.Nil(t, sig)
+
+	// Invalid reference in the signature
+	invalidReferenceSignature, err := ioutil.ReadFile("fixtures/invalid-reference.signature")
+	sig, err = VerifyDockerManifestSignature(invalidReferenceSignature, manifest, TestImageSignatureReference, mech, TestKeyFingerprint)
+	assert.Error(t, err)
+	assert.Nil(t, sig)
+
+	// Docker reference mismatch
+	sig, err = VerifyDockerManifestSignature(signature, manifest, "example.com/doesnt/match", mech, TestKeyFingerprint)
+	assert.Error(t, err)
+	assert.Nil(t, sig)
+
+	// Docker manifest digest mismatch
+	sig, err = VerifyDockerManifestSignature(signature, []byte("unexpected manifest"), TestImageSignatureReference, mech, TestKeyFingerprint)
+	assert.Error(t, err)
+	assert.Nil(t, sig)
+}