contrib/podex: use registry API to resolve image metadata

contrib/podex/podex_test.go

@@ -0,0 +1,91 @@
+/*
+Copyright 2014 Google Inc. All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package main
+
+import "testing"
+
+func TestSplitDockerImageName(t *testing.T) {
+	tests := []struct {
+		name              string
+		expectedHost      string
+		expectedNamespace string
+		expectedRepo      string
+		expectedTag       string
+	}{
+		{
+			name:         "foo",
+			expectedRepo: "foo",
+		},
+		{
+			name:         "foo:bar",
+			expectedRepo: "foo",
+			expectedTag:  "bar",
+		},
+		{
+			name:              "me/foo",
+			expectedNamespace: "me",
+			expectedRepo:      "foo",
+		},
+		{
+			name:              "me/foo:bar",
+			expectedNamespace: "me",
+			expectedRepo:      "foo",
+			expectedTag:       "bar",
+		},
+		{
+			name:              "example.com/me/foo",
+			expectedHost:      "example.com",
+			expectedNamespace: "me",
+			expectedRepo:      "foo",
+		},
+		{
+			name:              "example.com/me/foo:bar",
+			expectedHost:      "example.com",
+			expectedNamespace: "me",
+			expectedRepo:      "foo",
+			expectedTag:       "bar",
+		},
+		{
+			name:              "localhost:8080/me/foo",
+			expectedHost:      "localhost:8080",
+			expectedNamespace: "me",
+			expectedRepo:      "foo",
+		},
+		{
+			name:              "localhost:8080/me/foo:bar",
+			expectedHost:      "localhost:8080",
+			expectedNamespace: "me",
+			expectedRepo:      "foo",
+			expectedTag:       "bar",
+		},
+	}
+	for _, test := range tests {
+		host, namespace, repo, tag := splitDockerImageName(test.name)
+		if host != test.expectedHost {
+			t.Errorf("expected host %q got %q", test.expectedHost, host)
+		}
+		if namespace != test.expectedNamespace {
+			t.Errorf("expected namespace %q got %q", test.expectedNamespace, namespace)
+		}
+		if repo != test.expectedRepo {
+			t.Errorf("expected repo %q got %q", test.expectedRepo, repo)
+		}
+		if tag != test.expectedTag {
+			t.Errorf("expected tag %q got %q", test.expectedTag, tag)
+		}
+	}
+}