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// 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.
#import "ios/web/web_state/web_view_internal_creation_util.h"
#import <CoreGraphics/CoreGraphics.h>
#import <WebKit/WebKit.h>
#include "base/mac/scoped_nsobject.h"
#include "base/message_loop/message_loop.h"
#include "ios/web/net/request_group_util.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/public/test/test_web_thread.h"
#import "ios/web/public/web_view_creation_util.h"
#import "ios/web/test/web_test.h"
#import "ios/web/web_state/ui/crw_simple_web_view_controller.h"
#import "ios/web/web_state/ui/crw_static_file_web_view.h"
#import "ios/web/web_state/ui/wk_web_view_configuration_provider.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest_mac.h"
@interface CRWStaticFileWebView (Testing)
+ (BOOL)isStaticFileUserAgent:(NSString*)userAgent;
@end
namespace web {
namespace {
const CGRect kTestFrame = CGRectMake(5.0f, 10.0f, 15.0f, 20.0f);
NSString* const kTestRequestGroupID = @"100042";
// Returns user agent for given UIWebView.
NSString* GetWebViewUserAgent(UIWebView* web_view) {
NSString* const kGetUserAgentJS = @"navigator.userAgent";
return [web_view stringByEvaluatingJavaScriptFromString:kGetUserAgentJS];
}
// A WebClient that stubs PreWebViewCreation/PostWebViewCreation calls for
// testing purposes.
class CreationUtilsWebClient : public TestWebClient {
public:
MOCK_CONST_METHOD0(PreWebViewCreation, void());
MOCK_CONST_METHOD1(PostWebViewCreation, void(UIWebView* web_view));
};
class WebViewCreationUtilsTest : public WebTest {
public:
WebViewCreationUtilsTest()
: web_client_(make_scoped_ptr(new CreationUtilsWebClient)) {}
protected:
CreationUtilsWebClient* creation_utils_web_client() {
return static_cast<CreationUtilsWebClient*>(web_client_.Get());
}
void SetUp() override {
WebTest::SetUp();
logJavaScriptPref_ =
[[NSUserDefaults standardUserDefaults] boolForKey:@"LogJavascript"];
creation_utils_web_client()->SetUserAgent("TestUA", false);
}
void TearDown() override {
[[NSUserDefaults standardUserDefaults] setBool:logJavaScriptPref_
forKey:@"LogJavascript"];
WebTest::TearDown();
}
// Sets up expectation for WebClient::PreWebViewCreation and
// WebClient::PostWebViewCreation calls. Captures UIWebView passed to
// PostWebViewCreation into captured_web_view param.
void ExpectWebClientCalls(UIWebView** captured_web_view) {
EXPECT_CALL(*creation_utils_web_client(), PreWebViewCreation()).Times(1);
EXPECT_CALL(*creation_utils_web_client(), PostWebViewCreation(testing::_))
.Times(1)
.WillOnce(testing::SaveArg<0>(captured_web_view));
}
private:
// Original value of @"LogJavascript" pref from NSUserDefaults.
BOOL logJavaScriptPref_;
// WebClient that stubs PreWebViewCreation/PostWebViewCreation.
web::ScopedTestingWebClient web_client_;
};
// Tests that a web view created with a certain id returns the same
// requestGroupID in the user agent string.
TEST_F(WebViewCreationUtilsTest, CreationWithRequestGroupID) {
UIWebView* captured_web_view = nil;
ExpectWebClientCalls(&captured_web_view);
base::scoped_nsobject<UIWebView> web_view(
CreateWebView(kTestFrame, kTestRequestGroupID, NO));
EXPECT_TRUE([web_view isMemberOfClass:[UIWebView class]]);
EXPECT_TRUE(CGRectEqualToRect(kTestFrame, [web_view frame]));
EXPECT_NSEQ(web_view, captured_web_view);
NSString* const kExpectedUserAgent =
[NSString stringWithFormat:@"TestUA (%@)", kTestRequestGroupID];
NSString* const kActualUserAgent = GetWebViewUserAgent(web_view);
EXPECT_NSEQ(kExpectedUserAgent, kActualUserAgent);
EXPECT_TRUE([ExtractRequestGroupIDFromUserAgent(kActualUserAgent)
isEqualToString:kTestRequestGroupID]);
}
// Tests that a web view not created for displaying static file content from
// the application bundle does not return a user agent that allows static file
// content display.
TEST_F(WebViewCreationUtilsTest, CRWStaticFileWebViewFalse) {
base::scoped_nsobject<UIWebView> web_view(
CreateWebView(CGRectZero, kTestRequestGroupID, NO));
EXPECT_FALSE([CRWStaticFileWebView
isStaticFileUserAgent:GetWebViewUserAgent(web_view)]);
}
// Tests web::CreateWebView function that it correctly returns a UIWebView with
// the correct frame and calls WebClient::PreWebViewCreation/
// WebClient::PostWebViewCreation methods.
TEST_F(WebViewCreationUtilsTest, Creation) {
[[NSUserDefaults standardUserDefaults] setBool:NO forKey:@"LogJavascript"];
UIWebView* captured_web_view = nil;
ExpectWebClientCalls(&captured_web_view);
base::scoped_nsobject<UIWebView> web_view(CreateWebView(kTestFrame));
EXPECT_TRUE([web_view isMemberOfClass:[UIWebView class]]);
EXPECT_TRUE(CGRectEqualToRect(kTestFrame, [web_view frame]));
EXPECT_NSEQ(web_view, captured_web_view);
}
// Tests web::CreateWKWebView function that it correctly returns a WKWebView
// with the correct frame and WKProcessPool.
TEST_F(WebViewCreationUtilsTest, WKWebViewCreationWithBrowserState) {
base::scoped_nsobject<WKWebView> web_view(
CreateWKWebView(kTestFrame, GetBrowserState()));
EXPECT_TRUE([web_view isKindOfClass:[WKWebView class]]);
EXPECT_TRUE(CGRectEqualToRect(kTestFrame, [web_view frame]));
// Make sure that web view's configuration shares the same process pool with
// browser state's configuration. Otherwise cookie will not be immediately
// shared between different web views.
WKWebViewConfigurationProvider& config_provider =
WKWebViewConfigurationProvider::FromBrowserState(GetBrowserState());
EXPECT_EQ(config_provider.GetWebViewConfiguration().processPool,
[[web_view configuration] processPool]);
}
// Tests that web::CreateWKWebView always returns a web view with the same
// processPool.
TEST_F(WebViewCreationUtilsTest, WKWebViewsShareProcessPool) {
base::scoped_nsobject<WKWebView> web_view(
CreateWKWebView(kTestFrame, GetBrowserState()));
ASSERT_TRUE(web_view);
base::scoped_nsobject<WKWebView> web_view2(
CreateWKWebView(kTestFrame, GetBrowserState()));
ASSERT_TRUE(web_view2);
// Make sure that web views share the same non-nil process pool. Otherwise
// cookie will not be immediately shared between different web views.
EXPECT_TRUE([[web_view configuration] processPool]);
EXPECT_EQ([[web_view configuration] processPool],
[[web_view2 configuration] processPool]);
}
#if !defined(NDEBUG)
// Tests that getting a WKWebView from the util methods correctly maintains
// the global active wkwebview count (which is debug-only).
TEST_F(WebViewCreationUtilsTest, GetActiveWKWebViewsCount) {
base::scoped_nsobject<WKWebView> web_view1(
CreateWKWebView(CGRectZero, GetBrowserState()));
EXPECT_EQ(1U, GetActiveWKWebViewsCount());
base::scoped_nsobject<WKWebView> web_view2(
CreateWKWebView(CGRectZero, GetBrowserState()));
EXPECT_EQ(2U, GetActiveWKWebViewsCount());
web_view2.reset();
EXPECT_EQ(1U, GetActiveWKWebViewsCount());
web_view1.reset();
EXPECT_EQ(0U, GetActiveWKWebViewsCount());
}
#endif // defined(NDEBUG)
// Tests web::CreateSimpleWebViewController returns a CRWSimpleWebViewController
// instance with a web view.
TEST_F(WebViewCreationUtilsTest, CreateSimpleWebViewController) {
base::scoped_nsprotocol<id<CRWSimpleWebViewController>>
simpleWebViewController(
CreateSimpleWebViewController(CGRectZero, GetBrowserState()));
EXPECT_TRUE([simpleWebViewController view]);
}
} // namespace
} // namespace web
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