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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.
// Browser tests targeted at the RenderView that run in browser context.
// Note that these tests rely on single-process mode, and hence may be
// disabled in some configurations (check gyp files).
#include "base/basictypes.h"
#include "base/bind.h"
#include "base/callback.h"
#include "base/command_line.h"
#include "base/strings/utf_string_conversions.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/content_switches.h"
#include "content/public/renderer/render_view.h"
#include "content/public/test/browser_test_utils.h"
#include "content/public/test/content_browser_test.h"
#include "content/public/test/content_browser_test_utils.h"
#include "content/public/test/test_utils.h"
#include "content/shell/browser/shell.h"
#include "content/shell/browser/shell_browser_context.h"
#include "content/shell/browser/shell_content_browser_client.h"
#include "content/shell/common/shell_content_client.h"
#include "content/shell/renderer/shell_content_renderer_client.h"
#include "net/base/net_errors.h"
#include "net/disk_cache/disk_cache.h"
#include "net/http/failing_http_transaction_factory.h"
#include "net/http/http_cache.h"
#include "net/url_request/url_request_context.h"
#include "net/url_request/url_request_context_getter.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/WebKit/public/platform/WebURLError.h"
#include "third_party/WebKit/public/platform/WebURLRequest.h"
#include "third_party/WebKit/public/web/WebFrame.h"
namespace content {
namespace {
class TestShellContentRendererClient : public ShellContentRendererClient {
public:
TestShellContentRendererClient()
: latest_error_valid_(false),
latest_error_reason_(0),
latest_error_stale_copy_in_cache_(false) {}
void GetNavigationErrorStrings(content::RenderView* render_view,
blink::WebFrame* frame,
const blink::WebURLRequest& failed_request,
const blink::WebURLError& error,
std::string* error_html,
base::string16* error_description) override {
if (error_html)
*error_html = "A suffusion of yellow.";
latest_error_valid_ = true;
latest_error_reason_ = error.reason;
latest_error_stale_copy_in_cache_ = error.staleCopyInCache;
}
bool GetLatestError(int* error_code, bool* stale_cache_entry_present) {
if (latest_error_valid_) {
*error_code = latest_error_reason_;
*stale_cache_entry_present = latest_error_stale_copy_in_cache_;
}
return latest_error_valid_;
}
private:
bool latest_error_valid_;
int latest_error_reason_;
bool latest_error_stale_copy_in_cache_;
};
// Must be called on IO thread.
void InterceptNetworkTransactions(net::URLRequestContextGetter* getter,
net::Error error) {
DCHECK(content::BrowserThread::CurrentlyOn(BrowserThread::IO));
net::HttpCache* cache(
getter->GetURLRequestContext()->http_transaction_factory()->GetCache());
DCHECK(cache);
scoped_ptr<net::FailingHttpTransactionFactory> factory(
new net::FailingHttpTransactionFactory(cache->GetSession(), error));
// Throw away old version; since this is a browser test, there is no
// need to restore the old state.
cache->SetHttpNetworkTransactionFactoryForTesting(factory.Pass());
}
void CallOnUIThreadValidatingReturn(const base::Closure& callback,
int rv) {
DCHECK_EQ(net::OK, rv);
BrowserThread::PostTask(
BrowserThread::UI, FROM_HERE, callback);
}
// Must be called on IO thread. The callback will be called on
// completion of cache clearing on the UI thread.
void BackendClearCache(scoped_ptr<disk_cache::Backend*> backend,
const base::Closure& callback,
int rv) {
DCHECK(*backend);
DCHECK_EQ(net::OK, rv);
(*backend)->DoomAllEntries(
base::Bind(&CallOnUIThreadValidatingReturn, callback));
}
// Must be called on IO thread. The callback will be called on
// completion of cache clearing on the UI thread.
void ClearCache(net::URLRequestContextGetter* getter,
const base::Closure& callback) {
DCHECK(content::BrowserThread::CurrentlyOn(BrowserThread::IO));
net::HttpCache* cache(
getter->GetURLRequestContext()->http_transaction_factory()->GetCache());
DCHECK(cache);
scoped_ptr<disk_cache::Backend*> backend(new disk_cache::Backend*);
*backend = NULL;
disk_cache::Backend** backend_ptr = backend.get();
net::CompletionCallback backend_callback(
base::Bind(&BackendClearCache, base::Passed(backend.Pass()), callback));
// backend_ptr is valid until all copies of backend_callback go out
// of scope.
if (net::OK == cache->GetBackend(backend_ptr, backend_callback)) {
// The call completed synchronously, so GetBackend didn't run the callback.
backend_callback.Run(net::OK);
}
}
} // namespace
class RenderViewBrowserTest : public ContentBrowserTest {
public:
RenderViewBrowserTest() {}
void SetUpCommandLine(base::CommandLine* command_line) override {
// This method is needed to allow interaction with in-process renderer
// and use of a test ContentRendererClient.
command_line->AppendSwitch(switches::kSingleProcess);
}
void SetUpOnMainThread() override {
// Override setting of renderer client.
renderer_client_ = new TestShellContentRendererClient();
// Explicitly leaks ownership; this object will remain alive
// until process death. We don't deleted the returned value,
// since some contexts set the pointer to a non-heap address.
SetRendererClientForTesting(renderer_client_);
}
// Navigates to the given URL and waits for |num_navigations| to occur, and
// the title to change to |expected_title|.
void NavigateToURLAndWaitForTitle(const GURL& url,
const std::string& expected_title,
int num_navigations) {
content::TitleWatcher title_watcher(
shell()->web_contents(), base::ASCIIToUTF16(expected_title));
content::NavigateToURLBlockUntilNavigationsComplete(
shell(), url, num_navigations);
EXPECT_EQ(base::ASCIIToUTF16(expected_title),
title_watcher.WaitAndGetTitle());
}
// Returns true if there is a valid error stored; in this case
// |*error_code| and |*stale_cache_entry_present| will be updated
// appropriately.
// Must be called after the renderer thread is created.
bool GetLatestErrorFromRendererClient(
int* error_code, bool* stale_cache_entry_present) {
bool result = false;
PostTaskToInProcessRendererAndWait(
base::Bind(&RenderViewBrowserTest::GetLatestErrorFromRendererClient0,
renderer_client_, &result, error_code,
stale_cache_entry_present));
return result;
}
private:
// Must be run on renderer thread.
static void GetLatestErrorFromRendererClient0(
TestShellContentRendererClient* renderer_client,
bool* result, int* error_code, bool* stale_cache_entry_present) {
*result = renderer_client->GetLatestError(
error_code, stale_cache_entry_present);
}
TestShellContentRendererClient* renderer_client_;
};
IN_PROC_BROWSER_TEST_F(RenderViewBrowserTest, ConfirmCacheInformationPlumbed) {
ASSERT_TRUE(test_server()->Start());
// Load URL with "nocache" set, to create stale cache.
GURL test_url(test_server()->GetURL("files/nocache.html"));
NavigateToURLAndWaitForTitle(test_url, "Nocache Test Page", 1);
// Reload same URL after forcing an error from the the network layer;
// confirm that the error page is told the cached copy exists.
int renderer_id =
shell()->web_contents()->GetMainFrame()->GetProcess()->GetID();
scoped_refptr<net::URLRequestContextGetter> url_request_context_getter =
ShellContentBrowserClient::Get()->browser_context()->
GetRequestContextForRenderProcess(renderer_id);
BrowserThread::PostTask(
BrowserThread::IO, FROM_HERE,
base::Bind(&InterceptNetworkTransactions, url_request_context_getter,
net::ERR_FAILED));
// An error results in one completed navigation.
NavigateToURLBlockUntilNavigationsComplete(shell(), test_url, 1);
int error_code = net::OK;
bool stale_cache_entry_present = false;
ASSERT_TRUE(GetLatestErrorFromRendererClient(
&error_code, &stale_cache_entry_present));
EXPECT_EQ(net::ERR_FAILED, error_code);
EXPECT_TRUE(stale_cache_entry_present);
// Clear the cache and repeat; confirm lack of entry in cache reported.
scoped_refptr<MessageLoopRunner> runner = new MessageLoopRunner;
BrowserThread::PostTask(
BrowserThread::IO, FROM_HERE,
base::Bind(&ClearCache, url_request_context_getter,
runner->QuitClosure()));
runner->Run();
content::NavigateToURLBlockUntilNavigationsComplete(shell(), test_url, 1);
error_code = net::OK;
stale_cache_entry_present = true;
ASSERT_TRUE(GetLatestErrorFromRendererClient(
&error_code, &stale_cache_entry_present));
EXPECT_EQ(net::ERR_FAILED, error_code);
EXPECT_FALSE(stale_cache_entry_present);
}
} // namespace content
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