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vendor/cloud.google.com/go/storage/writer_test.go

@@ -0,0 +1,92 @@
+// 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 storage
+
+import (
+	"crypto/sha256"
+	"encoding/base64"
+	"fmt"
+	"net/http"
+	"reflect"
+	"testing"
+
+	"golang.org/x/net/context"
+
+	"google.golang.org/api/option"
+)
+
+type fakeTransport struct {
+	gotReq *http.Request
+}
+
+func (t *fakeTransport) RoundTrip(req *http.Request) (*http.Response, error) {
+	t.gotReq = req
+	return nil, fmt.Errorf("error handling request")
+}
+
+func TestErrorOnObjectsInsertCall(t *testing.T) {
+	ctx := context.Background()
+	hc := &http.Client{Transport: &fakeTransport{}}
+	client, err := NewClient(ctx, option.WithHTTPClient(hc))
+	if err != nil {
+		t.Fatalf("error when creating client: %v", err)
+	}
+	wc := client.Bucket("bucketname").Object("filename1").NewWriter(ctx)
+	wc.ContentType = "text/plain"
+
+	// We can't check that the Write fails, since it depends on the write to the
+	// underling fakeTransport failing which is racy.
+	wc.Write([]byte("hello world"))
+
+	// Close must always return an error though since it waits for the transport to
+	// have closed.
+	if err := wc.Close(); err == nil {
+		t.Errorf("expected error on close, got nil")
+	}
+}
+
+func TestEncryption(t *testing.T) {
+	ctx := context.Background()
+	ft := &fakeTransport{}
+	hc := &http.Client{Transport: ft}
+	client, err := NewClient(ctx, option.WithHTTPClient(hc))
+	if err != nil {
+		t.Fatalf("error when creating client: %v", err)
+	}
+	obj := client.Bucket("bucketname").Object("filename1")
+	key := []byte("secret-key-that-is-32-bytes-long")
+	wc := obj.Key(key).NewWriter(ctx)
+	// TODO(jba): use something other than fakeTransport, which always returns error.
+	wc.Write([]byte("hello world"))
+	wc.Close()
+	if got, want := ft.gotReq.Header.Get("x-goog-encryption-algorithm"), "AES256"; got != want {
+		t.Errorf("algorithm: got %q, want %q", got, want)
+	}
+	gotKey, err := base64.StdEncoding.DecodeString(ft.gotReq.Header.Get("x-goog-encryption-key"))
+	if err != nil {
+		t.Fatalf("decoding key: %v", err)
+	}
+	if !reflect.DeepEqual(gotKey, key) {
+		t.Errorf("key: got %v, want %v", gotKey, key)
+	}
+	wantHash := sha256.Sum256(key)
+	gotHash, err := base64.StdEncoding.DecodeString(ft.gotReq.Header.Get("x-goog-encryption-key-sha256"))
+	if err != nil {
+		t.Fatalf("decoding hash: %v", err)
+	}
+	if !reflect.DeepEqual(gotHash, wantHash[:]) { // wantHash is an array
+		t.Errorf("hash: got\n%v, want\n%v", gotHash, wantHash)
+	}
+}