Add a minimal AttachmentUploaderImpl.

sync/internal_api/attachments/attachment_server_url_builder_unittest.cc

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "sync/internal_api/public/attachments/attachment_server_url_builder.h"
+
+#include "sync/api/attachments/attachment_id.h"
+#include "sync/protocol/sync.pb.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "url/gurl.h"
+
+namespace syncer {
+
+// The test cases below hard-code parts of the path and may need to be updated
+// when the path used by AttachmentServerURLBuilder changes.
+class AttachmentServerURLBuilderTest : public testing::Test {};
+
+// Verify we can build an HTTPS URL.
+TEST_F(AttachmentServerURLBuilderTest, BuildUploadURLFor_SCHEME_HTTPS) {
+  std::string host("www.example.com");
+  int port = 8080;
+  AttachmentServerURLBuilder builder(
+      AttachmentServerURLBuilder::SCHEME_HTTPS, host, port);
+  sync_pb::AttachmentIdProto proto;
+  *proto.mutable_unique_id() = "someattachmentid";
+  AttachmentId id = AttachmentId::CreateFromProto(proto);
+  GURL url = builder.BuildUploadURLFor(id);
+  EXPECT_EQ("https://www.example.com:8080/uploads/someattachmentid",
+            url.spec());
+}
+
+// Verify we can build an HTTP URL.
+TEST_F(AttachmentServerURLBuilderTest, BuildUploadURLFor_SCHEME_HTTP) {
+  std::string host("localhost");
+  int port = 12345;
+  AttachmentServerURLBuilder builder(
+      AttachmentServerURLBuilder::SCHEME_HTTP, host, port);
+  sync_pb::AttachmentIdProto proto;
+  *proto.mutable_unique_id() = "someotherattachmentid";
+  AttachmentId id = AttachmentId::CreateFromProto(proto);
+  GURL url = builder.BuildUploadURLFor(id);
+  EXPECT_EQ("http://localhost:12345/uploads/someotherattachmentid", url.spec());
+}
+
+}  // namespace syncer