Added some tests

pkg/cloudcfg/proxy_server_test.go

+/*
+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 cloudcfg
+
+import (
+	"io/ioutil"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+)
+
+func TestFileServing(t *testing.T) {
+	data := "This is test data"
+	dir, err := ioutil.TempDir("", "data")
+	expectNoError(t, err)
+	err = ioutil.WriteFile(dir+"/test.txt", []byte(data), 0755)
+	expectNoError(t, err)
+	handler := fileServer{
+		prefix: "/foo/",
+		base:   dir,
+	}
+	server := httptest.NewServer(&handler)
+	client := http.Client{}
+	req, err := http.NewRequest("GET", server.URL+handler.prefix+"/test.txt", nil)
+	expectNoError(t, err)
+	res, err := client.Do(req)
+	expectNoError(t, err)
+	defer res.Body.Close()
+	b, err := ioutil.ReadAll(res.Body)
+	expectNoError(t, err)
+	if res.StatusCode != http.StatusOK {
+		t.Errorf("Unexpected status: %d", res.StatusCode)
+	}
+	if string(b) != data {
+		t.Errorf("Data doesn't match: %s vs %s", string(b), data)
+	}
+}

pkg/cloudcfg/resource_printer_test.go

@@ -22,6 +22,7 @@ import (
 	"reflect"
 	"testing"
 
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
 	"gopkg.in/v1/yaml"
 )
 
@@ -60,6 +61,43 @@ func TestYAMLPrinterPrint(t *testing.T) {
 		t.Fatal(err)
 	}
 	if !reflect.DeepEqual(testData, poutput) {
-		t.Error("Test data and unmarshaled data are not equal")
+		t.Errorf("Test data and unmarshaled data are not equal: %#v vs %#v", poutput, testData)
+	}
+
+	obj := api.Pod{
+		JSONBase: api.JSONBase{ID: "foo"},
+	}
+	buf.Reset()
+	printer.PrintObj(obj, buf)
+	var objOut api.Pod
+	err = yaml.Unmarshal([]byte(buf.String()), &objOut)
+	if err != nil {
+		t.Errorf("Unexpeted error: %#v", err)
+	}
+	if !reflect.DeepEqual(obj, objOut) {
+		t.Errorf("Unexpected inequality: %#v vs %#v", obj, objOut)
+	}
+}
+
+func TestIdentityPrinter(t *testing.T) {
+	printer := &IdentityPrinter{}
+	buff := bytes.NewBuffer([]byte{})
+	str := "this is a test string"
+	printer.Print([]byte(str), buff)
+	if buff.String() != str {
+		t.Errorf("Bytes are not equal: %s vs %s", str, buff.String())
+	}
+
+	obj := api.Pod{
+		JSONBase: api.JSONBase{ID: "foo"},
+	}
+	buff.Reset()
+	printer.PrintObj(obj, buff)
+	objOut, err := api.Decode([]byte(buff.String()))
+	if err != nil {
+		t.Errorf("Unexpeted error: %#v", err)
+	}
+	if !reflect.DeepEqual(&obj, objOut) {
+		t.Errorf("Unexpected inequality: %#v vs %#v", obj, objOut)
 	}
 }