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// Copyright 2015 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.
#import "ios/web/webui/crw_web_ui_manager.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/logging.h"
#import "base/mac/scoped_nsobject.h"
#include "base/memory/scoped_ptr.h"
#include "base/message_loop/message_loop.h"
#include "base/path_service.h"
#include "base/strings/stringprintf.h"
#import "base/strings/sys_string_conversions.h"
#include "base/values.h"
#include "ios/web/public/test/scoped_testing_web_client.h"
#include "ios/web/public/test/test_browser_state.h"
#import "ios/web/public/test/test_web_client.h"
#include "ios/web/web_state/web_state_impl.h"
#import "ios/web/webui/crw_web_ui_page_builder.h"
#include "ios/web/webui/url_fetcher_block_adapter.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/gtest_mac.h"
#include "testing/platform_test.h"
namespace web {
// Path for test favicon file.
const char kFaviconPath[] = "ios/web/test/data/testfavicon.png";
// URL for mock WebUI page.
const char kTestChromeUrl[] = "chrome://test";
// URL for mock favicon.
const char kFaviconUrl[] = "chrome://favicon";
// HTML for mock WebUI page.
NSString* kHtml = @"<html>Hello World</html>";
// Mock of WebStateImpl to check that LoadHtml and ExecuteJavaScriptAsync are
// called as expected.
class MockWebStateImpl : public WebStateImpl {
public:
MockWebStateImpl(BrowserState* browser_state) : WebStateImpl(browser_state) {}
MOCK_METHOD2(LoadWebUIHtml,
void(const base::string16& html, const GURL& url));
MOCK_METHOD1(ExecuteJavaScriptAsync, void(const base::string16& javascript));
};
// Mock of URLFetcherBlockAdapter to provide mock resources.
class MockURLFetcherBlockAdapter : public URLFetcherBlockAdapter {
public:
MockURLFetcherBlockAdapter(
const GURL& url,
net::URLRequestContextGetter* request_context,
URLFetcherBlockAdapterCompletion completion_handler)
: URLFetcherBlockAdapter(url, request_context, completion_handler),
url_(url),
completion_handler_(completion_handler) {}
void Start() override {
if (url_.spec() == kTestChromeUrl) {
completion_handler_.get()([kHtml dataUsingEncoding:NSUTF8StringEncoding],
this);
} else if (url_.spec() == kFaviconUrl) {
base::FilePath favicon_path;
ASSERT_TRUE(PathService::Get(base::DIR_SOURCE_ROOT, &favicon_path));
favicon_path = favicon_path.AppendASCII(kFaviconPath);
completion_handler_.get()(
[NSData dataWithContentsOfFile:base::SysUTF8ToNSString(
favicon_path.value())],
this);
} else {
NOTREACHED();
}
}
private:
// The URL to fetch.
const GURL url_;
// Callback for resource load.
base::mac::ScopedBlock<URLFetcherBlockAdapterCompletion> completion_handler_;
};
class AppSpecificTestWebClient : public TestWebClient {
public:
bool IsAppSpecificURL(const GURL& url) const override {
return url.SchemeIs("chrome");
}
};
} // namespace web
// Subclass of CRWWebUIManager for testing.
@interface CRWTestWebUIManager : CRWWebUIManager
// Use mock URLFetcherBlockAdapter.
- (scoped_ptr<web::URLFetcherBlockAdapter>)
fetcherForURL:(const GURL&)URL
completionHandler:(web::URLFetcherBlockAdapterCompletion)handler;
@end
@implementation CRWTestWebUIManager
- (scoped_ptr<web::URLFetcherBlockAdapter>)
fetcherForURL:(const GURL&)URL
completionHandler:(web::URLFetcherBlockAdapterCompletion)handler {
return scoped_ptr<web::URLFetcherBlockAdapter>(
new web::MockURLFetcherBlockAdapter(URL, nil, handler));
}
@end
namespace web {
// Test fixture for testing CRWWebUIManager
class CRWWebUIManagerTest : public PlatformTest {
public:
CRWWebUIManagerTest()
: web_client_(make_scoped_ptr(new web::AppSpecificTestWebClient)) {}
protected:
void SetUp() override {
PlatformTest::SetUp();
test_browser_state_.reset(new TestBrowserState());
web_state_impl_.reset(new MockWebStateImpl(test_browser_state_.get()));
web_ui_manager_.reset(
[[CRWTestWebUIManager alloc] initWithWebState:web_state_impl_.get()]);
}
// TestBrowserState for creation of WebStateImpl.
scoped_ptr<TestBrowserState> test_browser_state_;
// MockWebStateImpl for detection of LoadHtml and EvaluateJavaScriptAync
// calls.
scoped_ptr<MockWebStateImpl> web_state_impl_;
// WebUIManager for testing.
base::scoped_nsobject<CRWTestWebUIManager> web_ui_manager_;
// The WebClient used in tests.
web::ScopedTestingWebClient web_client_;
};
// Tests that CRWWebUIManager observes provisional navigation and invokes an
// HTML load in web state.
TEST_F(CRWWebUIManagerTest, LoadWebUI) {
base::string16 html(base::SysNSStringToUTF16(kHtml));
GURL url(kTestChromeUrl);
EXPECT_CALL(*web_state_impl_, LoadWebUIHtml(html, url));
web_state_impl_->OnProvisionalNavigationStarted(url);
}
// Tests that CRWWebUIManager responds to OnScriptCommandReceieved call and runs
// JavaScript to set favicon background.
TEST_F(CRWWebUIManagerTest, HandleFaviconRequest) {
GURL test_url(kTestChromeUrl);
std::string favicon_url_string(kFaviconUrl);
// Create mock JavaScript message to request favicon.
base::ListValue* arguments(new base::ListValue());
arguments->AppendString(favicon_url_string);
scoped_ptr<base::DictionaryValue> message(new base::DictionaryValue());
message->SetString("message", "webui.requestFavicon");
message->Set("arguments", arguments);
// Create expected JavaScript to call.
base::FilePath favicon_path;
ASSERT_TRUE(PathService::Get(base::DIR_SOURCE_ROOT, &favicon_path));
favicon_path = favicon_path.AppendASCII(kFaviconPath);
NSData* expected_data = [NSData
dataWithContentsOfFile:base::SysUTF8ToNSString(favicon_path.value())];
base::string16 expected_javascript = base::SysNSStringToUTF16([NSString
stringWithFormat:
@"chrome.setFaviconBackground('%s', 'data:image/png;base64,%@');",
favicon_url_string.c_str(),
[expected_data base64EncodedStringWithOptions:0]]);
EXPECT_CALL(*web_state_impl_, ExecuteJavaScriptAsync(expected_javascript));
web_state_impl_->OnScriptCommandReceived("webui.requestFavicon", *message,
test_url, false);
}
} // namespace web
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