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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <string>
#include "base/string_util.h"
#include "chrome/test/ui/ui_test.h"
#include "chrome/test/automation/automation_proxy.h"
#include "chrome/test/automation/browser_proxy.h"
#include "chrome/test/automation/tab_proxy.h"
#include "net/url_request/url_request_unittest.h"
// The CacheTest class extends the UITest class and provides functions to
// get a new tab and to run the tests on a particular path
//
// Typical usage:
//
// 1. Provide this class as the TestCase for TEST_F macro
// 2. Then run the cache test on a specific path using the function
// RunCacheTest
//
// For example:
//
// TEST_F(CacheTest, NoCacheMaxAge) {
// RunCacheTest(L"nocachetime/maxage", false, false);
// }
//
// Note that delays used in running the test is initialized to defaults
class CacheTest : public UITest {
protected:
// Runs the cache test for the specified path.
// Can specify the test to check if a new tab is loaded from the cache
// and also if a delayed reload is required. A true value passed to the
// third parameter causes a delayed reload of the path in a new tab.
// The amount of delay is set by a class constant.
void RunCacheTest(const std::wstring &url,
bool expect_new_tab_cached,
bool expect_delayed_reload);
private:
// Class constants
static const int kWaitForCacheUpdateMsec = 2000;
static const int kCacheWaitMultiplier = 4; // Used to increase delay
// Appends a new tab to the test chrome window and loads the specified
// URL. The new tab will try to get the URL from the cache before requesting
// the server for it.
void GetNewTab(AutomationProxy* automationProxy, const GURL& tab_url);
};
// Runs the cache test for the specified path.
void CacheTest::RunCacheTest(const std::wstring &url,
bool expect_new_tab_cached,
bool expect_delayed_reload) {
TestServer server(L"chrome/test/data");
GURL test_page(server.TestServerPageW(url));
NavigateToURL(test_page);
std::wstring original_time = GetActiveTabTitle();
Sleep(kWaitForCacheUpdateMsec);
GetNewTab(automation(), test_page);
std::wstring revisit_time = GetActiveTabTitle();
if (expect_new_tab_cached) {
EXPECT_EQ(original_time, revisit_time);
}else {
EXPECT_NE(original_time, revisit_time);
}
Sleep(kWaitForCacheUpdateMsec);
// Force reload, overriding the caching behavior
NavigateToURL(test_page);
std::wstring reload_time = GetActiveTabTitle();
EXPECT_NE(revisit_time, reload_time);
if (expect_delayed_reload) {
Sleep(kWaitForCacheUpdateMsec * kCacheWaitMultiplier);
GetNewTab(automation(), test_page);
revisit_time = GetActiveTabTitle();
EXPECT_NE(reload_time, revisit_time);
}
}
// Appends a new tab to the test chrome window and loads the specified URL.
void CacheTest::GetNewTab(AutomationProxy* automationProxy,
const GURL& tab_url) {
scoped_ptr<BrowserProxy> window_proxy(automationProxy->GetBrowserWindow(0));
ASSERT_TRUE(window_proxy.get());
ASSERT_TRUE(window_proxy->AppendTab(tab_url));
}
// Tests that a cached copy of the page is not used when max-age=0 headers
// are specified.
TEST_F(CacheTest, NoCacheMaxAge) {
RunCacheTest(L"nocachetime/maxage", false, false);
}
// Tests that a cached copy of the page is not used when no-cache header
// is specified.
TEST_F(CacheTest, NoCache) {
RunCacheTest(L"nocachetime", false, false);
}
// Tests that a cached copy of a page is used when its headers specify
// that it should be cached for 60 seconds.
TEST_F(CacheTest, Cache) {
RunCacheTest(L"cachetime", true, false);
}
// Tests that a cached copy of the page is used when expires header
// specifies that the page has not yet expired.
TEST_F(CacheTest, Expires) {
RunCacheTest(L"cache/expires", true, false);
}
// Tests that a cached copy of the page is used when proxy-revalidate header
// is specified and the page has not yet expired.
TEST_F(CacheTest, ProxyRevalidate) {
RunCacheTest(L"cache/proxy-revalidate", true, false);
}
// Tests that a cached copy of the page is used when private header
// is specified and the page has not yet expired.
TEST_F(CacheTest, Private) {
RunCacheTest(L"cache/private", true, true);
}
// Tests that a cached copy of the page is used when public header
// is specified and the page has not yet expired.
TEST_F(CacheTest, Public) {
RunCacheTest(L"cache/public", true, true);
}
// Tests that a cached copy of the page is not used when s-maxage header
// is specified.
TEST_F(CacheTest, SMaxAge) {
RunCacheTest(L"cache/s-maxage", false, false);
}
// Tests that a cached copy of the page is not used when must-revalidate header
// is specified.
TEST_F(CacheTest, MustRevalidate) {
RunCacheTest(L"cache/must-revalidate", false, false);
}
// Tests that a cached copy of the page is not used when must-revalidate header
// is specified, even though the page has not yet expired.
TEST_F(CacheTest, MustRevalidateMaxAge) {
RunCacheTest(L"cache/must-revalidate/max-age", false, false);
}
// Tests that a cached copy of the page is not used when no-store header
// is specified.
TEST_F(CacheTest, NoStore) {
RunCacheTest(L"cache/no-store", false, false);
}
// Tests that a cached copy of the page is not used when no-store header
// is specified, even though the page has not yet expired.
TEST_F(CacheTest, NoStoreMaxAge) {
RunCacheTest(L"cache/no-store/max-age", false, false);
}
// Tests that a cached copy of the page is not transformed when no-transform
// header is specified.
TEST_F(CacheTest, NoTransform) {
RunCacheTest(L"cache/no-transform", false, false);
}
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