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// Copyright (c) 2006-2008 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.
// This is a gTest-based test that runs the Selenium Core testsuite in Chrome
// using the UITest automation. The number of total and failed tests are
// written to stdout.
//
// TODO(darin): output the names of the failed tests so we can easily track
// deviations from the expected output.
#include <list>
#include <set>
#include "base/file_util.h"
#include "base/path_service.h"
#include "base/string_util.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/rand_util.h"
#include "chrome/test/automation/tab_proxy.h"
#include "chrome/test/automation/window_proxy.h"
#include "chrome/test/ui/ui_test.h"
#include "net/base/net_util.h"
// Uncomment this to exercise this test without actually running the selenium
// test, which can take a while to run. This define is useful when modifying
// the analysis code.
//#define SIMULATE_RUN 1
namespace {
// This file is a comma separated list of tests that are currently failing.
const wchar_t kExpectedFailuresFileName[] = L"expected_failures.txt";
class SeleniumTest : public UITest {
public:
SeleniumTest() {
show_window_ = true;
}
typedef std::list<std::string> ResultsList;
typedef std::set<std::string> ResultsSet;
// Parses a selenium results string, which is of the form:
// "5.selectFrame,6.click,24.selectAndWait,24.verifyTitle"
void ParseResults(const std::string& input, ResultsSet* output) {
if (input.empty())
return;
std::vector<std::string> tokens;
SplitString(input, ',', &tokens);
for (size_t i = 0; i < tokens.size(); ++i) {
TrimWhitespace(tokens[i], TRIM_ALL, &tokens[i]);
output->insert(tokens[i]);
}
}
// Find the elements of "b" that are not in "a"
void CompareSets(const ResultsSet& a, const ResultsSet& b,
ResultsList* only_in_b) {
ResultsSet::const_iterator it = b.begin();
for (; it != b.end(); ++it) {
if (a.find(*it) == a.end())
only_in_b->push_back(*it);
}
}
// The results file is in trunk/chrome/test/selenium/
std::wstring GetResultsFilePath() {
std::wstring results_path;
PathService::Get(chrome::DIR_TEST_DATA, &results_path);
file_util::UpOneDirectory(&results_path);
file_util::AppendToPath(&results_path, L"selenium");
file_util::AppendToPath(&results_path, kExpectedFailuresFileName);
return results_path;
}
bool ReadExpectedResults(std::string* results) {
std::wstring results_path = GetResultsFilePath();
return file_util::ReadFileToString(results_path, results);
}
void RunSelenium(std::wstring* total, std::wstring* failed) {
#ifdef SIMULATE_RUN
*total = L"100";
const wchar_t* kBogusFailures[] = {
L"5.selectFrame,6.click,24.selectAndWait,24.verifyTitle",
L"5.selectFrame,6.click,13.verifyLocation,13.verifyLocation,13.click,24.selectAndWait,24.verifyTitle",
L"5.selectFrame,6.click,24.selectAndWait"
};
*failed = kBogusFailures[rand_util::RandInt(0, 2)];
#else
std::wstring test_path;
PathService::Get(chrome::DIR_TEST_DATA, &test_path);
file_util::UpOneDirectory(&test_path);
file_util::UpOneDirectory(&test_path);
file_util::UpOneDirectory(&test_path);
file_util::AppendToPath(&test_path, L"data");
file_util::AppendToPath(&test_path, L"selenium_core");
file_util::AppendToPath(&test_path, L"core");
file_util::AppendToPath(&test_path, L"TestRunner.html");
GURL test_url(net::FilePathToFileURL(test_path));
scoped_ptr<TabProxy> tab(GetActiveTab());
tab->NavigateToURL(test_url);
// Wait for the test to finish.
ASSERT_TRUE(WaitUntilCookieValue(tab.get(), test_url, "__tests_finished",
3000, UITest::test_timeout_ms(), "1"));
std::string cookie;
ASSERT_TRUE(tab->GetCookieByName(test_url, "__num_tests_total", &cookie));
total->swap(UTF8ToWide(cookie));
ASSERT_FALSE(total->empty());
ASSERT_TRUE(tab->GetCookieByName(test_url, "__tests_failed", &cookie));
failed->swap(UTF8ToWide(cookie));
// The __tests_failed cookie will be empty if all the tests pass.
#endif
}
void RunTest(ResultsList* new_passes_list, ResultsList* new_failures_list) {
std::string expected_failures;
bool have_expected_results = ReadExpectedResults(&expected_failures);
ASSERT_TRUE(have_expected_results);
std::wstring total, failed;
RunSelenium(&total, &failed);
if (total.empty())
return;
printf("\n");
wprintf(L"__num_tests_total = [%s]\n", total.c_str());
wprintf(L"__tests_failed = [%s]\n", failed.c_str());
std::string cur_failures = WideToUTF8(failed);
ResultsSet expected_failures_set;
ParseResults(expected_failures, &expected_failures_set);
ResultsSet cur_failures_set;
ParseResults(cur_failures, &cur_failures_set);
// Compute the list of new passes and failures
CompareSets(cur_failures_set, expected_failures_set, new_passes_list);
CompareSets(expected_failures_set, cur_failures_set, new_failures_list);
}
};
} // namespace
TEST_F(SeleniumTest, Core) {
ResultsList new_passes_list, new_failures_list;
RunTest(&new_passes_list, &new_failures_list);
if (!new_failures_list.empty()) {
ADD_FAILURE();
printf("new tests failing:\n");
ResultsList::const_iterator it = new_failures_list.begin();
for (; it != new_failures_list.end(); ++it)
printf(" %s\n", it->c_str());
printf("\n");
}
if (!new_passes_list.empty()) {
printf("new tests passing:\n");
ResultsList::const_iterator it = new_passes_list.begin();
for (; it != new_passes_list.end(); ++it)
printf(" %s\n", it->c_str());
printf("\n");
}
}
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