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// Copyright (c) 2010 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 "chrome/renderer/translate_helper.h"
#include "chrome/test/render_view_test.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using testing::AtLeast;
using testing::Return;
class TestTranslateHelper : public TranslateHelper {
public:
explicit TestTranslateHelper(RenderView* render_view)
: TranslateHelper(render_view) {
}
virtual bool DontDelayTasks() { return true; }
MOCK_METHOD0(IsTranslateLibAvailable, bool());
MOCK_METHOD0(IsTranslateLibReady, bool());
MOCK_METHOD0(HasTranslationFinished, bool());
MOCK_METHOD0(HasTranslationFailed, bool());
MOCK_METHOD2(StartTranslation, bool(const std::string& source_lang,
const std::string& target_lang));
private:
DISALLOW_COPY_AND_ASSIGN(TestTranslateHelper);
};
class TranslateHelperTest : public RenderViewTest {
public:
TranslateHelperTest() {}
protected:
virtual void SetUp() {
RenderViewTest::SetUp();
translate_helper_.reset(new TestTranslateHelper(view_));
}
bool GetPageTranslatedMessage(int* page_id,
std::string* original_lang,
std::string* target_lang,
TranslateErrors::Type* error) {
const IPC::Message* message = render_thread_.sink().
GetUniqueMessageMatching(ViewHostMsg_PageTranslated::ID);
if (!message)
return false;
Tuple4<int, std::string, std::string, TranslateErrors::Type>
translate_param;
ViewHostMsg_PageTranslated::Read(message, &translate_param);
if (page_id)
*page_id = translate_param.a;
if (original_lang)
*original_lang = translate_param.b;
if (target_lang)
*target_lang = translate_param.c;
if (error)
*error = translate_param.d;
return true;
}
scoped_ptr<TestTranslateHelper> translate_helper_;
};
// Tests that the browser gets notified of the translation failure if the
// translate library fails/times-out during initialization.
TEST_F(TranslateHelperTest, TranslateLibNeverReady) {
// We make IsTranslateLibAvailable true so we don't attempt to inject the
// library.
EXPECT_CALL(*translate_helper_, IsTranslateLibAvailable())
.Times(AtLeast(1))
.WillRepeatedly(Return(true));
EXPECT_CALL(*translate_helper_, IsTranslateLibReady())
.Times(AtLeast(5)) // See kMaxTranslateInitCheckAttempts in
// translate_helper.cc
.WillRepeatedly(Return(false));
translate_helper_->TranslatePage(view_->page_id(), "en", "fr", std::string());
MessageLoop::current()->RunAllPending();
int page_id;
TranslateErrors::Type error;
ASSERT_TRUE(GetPageTranslatedMessage(&page_id, NULL, NULL, &error));
EXPECT_EQ(view_->page_id(), page_id);
EXPECT_EQ(TranslateErrors::INITIALIZATION_ERROR, error);
}
// Tests that the browser gets notified of the translation success when the
// translation succeeds.
TEST_F(TranslateHelperTest, TranslateSuccess) {
// We make IsTranslateLibAvailable true so we don't attempt to inject the
// library.
EXPECT_CALL(*translate_helper_, IsTranslateLibAvailable())
.Times(AtLeast(1))
.WillRepeatedly(Return(true));
EXPECT_CALL(*translate_helper_, IsTranslateLibReady())
.WillOnce(Return(false))
.WillOnce(Return(true));
EXPECT_CALL(*translate_helper_, StartTranslation("en", "fr"))
.WillOnce(Return(true));
// Succeed after few checks.
EXPECT_CALL(*translate_helper_, HasTranslationFailed())
.WillRepeatedly(Return(false));
EXPECT_CALL(*translate_helper_, HasTranslationFinished())
.WillOnce(Return(false))
.WillOnce(Return(false))
.WillOnce(Return(true));
std::string original_lang("en");
std::string target_lang("fr");
translate_helper_->TranslatePage(view_->page_id(), original_lang, target_lang,
std::string());
MessageLoop::current()->RunAllPending();
int page_id;
std::string received_original_lang;
std::string received_target_lang;
TranslateErrors::Type error;
ASSERT_TRUE(GetPageTranslatedMessage(&page_id,
&received_original_lang,
&received_target_lang,
&error));
EXPECT_EQ(view_->page_id(), page_id);
EXPECT_EQ(original_lang, received_original_lang);
EXPECT_EQ(target_lang, received_target_lang);
EXPECT_EQ(TranslateErrors::NONE, error);
}
// Tests that the browser gets notified of the translation failure when the
// translation fails.
TEST_F(TranslateHelperTest, TranslateFailure) {
// We make IsTranslateLibAvailable true so we don't attempt to inject the
// library.
EXPECT_CALL(*translate_helper_, IsTranslateLibAvailable())
.Times(AtLeast(1))
.WillRepeatedly(Return(true));
EXPECT_CALL(*translate_helper_, IsTranslateLibReady())
.WillOnce(Return(true));
EXPECT_CALL(*translate_helper_, StartTranslation("en", "fr"))
.WillOnce(Return(true));
// Fail after few checks.
EXPECT_CALL(*translate_helper_, HasTranslationFailed())
.WillOnce(Return(false))
.WillOnce(Return(false))
.WillOnce(Return(false))
.WillOnce(Return(true));
EXPECT_CALL(*translate_helper_, HasTranslationFinished())
.Times(AtLeast(1))
.WillRepeatedly(Return(false));
translate_helper_->TranslatePage(view_->page_id(), "en", "fr", std::string());
MessageLoop::current()->RunAllPending();
int page_id;
TranslateErrors::Type error;
ASSERT_TRUE(GetPageTranslatedMessage(&page_id, NULL, NULL, &error));
EXPECT_EQ(view_->page_id(), page_id);
EXPECT_EQ(TranslateErrors::TRANSLATION_ERROR, error);
}
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