Use shared memory for moving data over BlobChannel Mojo interface.

blimp/engine/renderer/blob_channel_sender_proxy_unittest.cc

+// Copyright 2016 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 "blimp/engine/renderer/blob_channel_sender_proxy.h"
+
+#include "base/message_loop/message_loop.h"
+#include "base/run_loop.h"
+#include "blimp/common/blob_cache/id_util.h"
+#include "blimp/common/blob_cache/test_util.h"
+#include "blimp/engine/mojo/blob_channel.mojom.h"
+#include "blimp/engine/mojo/blob_channel_service.h"
+#include "blimp/net/blob_channel/mock_blob_channel_sender.h"
+#include "blimp/net/test_common.h"
+#include "mojo/public/cpp/bindings/interface_request.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace blimp {
+namespace engine {
+namespace {
+
+const char kBlobId[] = "foo";
+const char kBlobPayload[] = "bar";
+
+class BlobChannelSenderProxyTest : public testing::Test {
+ public:
+  BlobChannelSenderProxyTest() {}
+
+  void SetUp() override {
+    // Set up communication path from the Proxy to a sender mock:
+    // blob_channel_sender_proxy_ => (mojo) => mojo_service_impl_ =>
+    //    mock_sender_;
+    mojom::BlobChannelPtr mojo_ptr;
+    BlobChannelService::Create(&mock_sender_, GetProxy(&mojo_ptr));
+    blob_channel_sender_proxy_ =
+        BlobChannelSenderProxy::CreateForTest(std::move(mojo_ptr));
+  }
+
+ protected:
+  void DeliverMessages() { base::RunLoop().RunUntilIdle(); }
+
+  const std::string blob_id_ = CalculateBlobId(kBlobId);
+  base::MessageLoop message_loop_;
+  std::unique_ptr<BlobChannelService> mojo_service_impl_;
+  MockBlobChannelSender mock_sender_;
+  std::unique_ptr<BlobChannelSenderProxy> blob_channel_sender_proxy_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(BlobChannelSenderProxyTest);
+};
+
+TEST_F(BlobChannelSenderProxyTest, PutBlob) {
+  EXPECT_CALL(mock_sender_,
+              PutBlob(blob_id_, BlobDataPtrEqualsString(kBlobPayload)));
+  blob_channel_sender_proxy_->PutBlob(blob_id_,
+                                      CreateBlobDataPtr(kBlobPayload));
+  DeliverMessages();
+  EXPECT_TRUE(blob_channel_sender_proxy_->IsInEngineCache(blob_id_));
+  EXPECT_FALSE(blob_channel_sender_proxy_->IsInClientCache(blob_id_));
+}
+
+TEST_F(BlobChannelSenderProxyTest, DeliverBlob) {
+  EXPECT_CALL(mock_sender_,
+              PutBlob(blob_id_, BlobDataPtrEqualsString(kBlobPayload)));
+  EXPECT_CALL(mock_sender_, DeliverBlob(blob_id_));
+
+  blob_channel_sender_proxy_->PutBlob(blob_id_,
+                                      CreateBlobDataPtr(kBlobPayload));
+  DeliverMessages();
+  EXPECT_TRUE(blob_channel_sender_proxy_->IsInEngineCache(blob_id_));
+  EXPECT_FALSE(blob_channel_sender_proxy_->IsInClientCache(blob_id_));
+
+  blob_channel_sender_proxy_->DeliverBlob(blob_id_);
+  DeliverMessages();
+  EXPECT_TRUE(blob_channel_sender_proxy_->IsInEngineCache(blob_id_));
+  EXPECT_TRUE(blob_channel_sender_proxy_->IsInClientCache(blob_id_));
+}
+
+TEST_F(BlobChannelSenderProxyTest, RedundantDeliver) {
+  EXPECT_CALL(mock_sender_,
+              PutBlob(blob_id_, BlobDataPtrEqualsString(kBlobPayload)));
+  EXPECT_CALL(mock_sender_, DeliverBlob(blob_id_));
+
+  blob_channel_sender_proxy_->PutBlob(blob_id_,
+                                      CreateBlobDataPtr(kBlobPayload));
+  DeliverMessages();
+  EXPECT_TRUE(blob_channel_sender_proxy_->IsInEngineCache(blob_id_));
+  EXPECT_FALSE(blob_channel_sender_proxy_->IsInClientCache(blob_id_));
+
+  blob_channel_sender_proxy_->DeliverBlob(blob_id_);
+  DeliverMessages();
+  EXPECT_TRUE(blob_channel_sender_proxy_->IsInEngineCache(blob_id_));
+  EXPECT_TRUE(blob_channel_sender_proxy_->IsInClientCache(blob_id_));
+
+  blob_channel_sender_proxy_->DeliverBlob(blob_id_);
+  DeliverMessages();
+  EXPECT_TRUE(blob_channel_sender_proxy_->IsInEngineCache(blob_id_));
+  EXPECT_TRUE(blob_channel_sender_proxy_->IsInClientCache(blob_id_));
+}
+
+}  // namespace
+}  // namespace engine
+}  // namespace blimp