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// Copyright (c) 2009 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.
#include <windows.h>
#include <vector>
#include "base/command_line.h"
#include "base/logging.h"
#include "base/process_util.h"
#include "base/string_util.h"
namespace {
const wchar_t* const kBrowserTestDLLName = L"browser_tests.dll";
const wchar_t* const kGTestListTestsFlag = L"gtest_list_tests";
}
// TestEnvContext takes care of loading/unloading the DLL containing the tests.
class TestEnvContext {
public:
TestEnvContext()
: module_(NULL),
run_test_proc_(NULL) {
}
~TestEnvContext() {
if (!module_)
return;
BOOL r = ::FreeLibrary(module_);
DCHECK(r);
LOG(INFO) << "Unloaded " << kBrowserTestDLLName;
}
bool Init() {
module_ = ::LoadLibrary(kBrowserTestDLLName);
if (!module_) {
LOG(ERROR) << "Failed to find " << kBrowserTestDLLName;
return false;
}
run_test_proc_ = reinterpret_cast<RunTestProc>(
::GetProcAddress(module_, "RunTests"));
if (!run_test_proc_) {
LOG(ERROR) <<
"Failed to find RunTest function in " << kBrowserTestDLLName;
return false;
}
return true;
}
// Returns true if the test succeeded, false if it failed.
bool RunTest(const std::string& test_name) {
std::string filter_flag = StringPrintf("--gtest_filter=%s",
test_name.c_str());
char* argv[2];
argv[0] = "";
argv[1] = const_cast<char*>(filter_flag.c_str());
return RunAsIs(2, argv) == 0;
}
// Calls-in to GTest with the arguments we were started with.
int RunAsIs(int argc, char** argv) {
return (run_test_proc_)(argc, argv);
}
private:
typedef int (__cdecl *RunTestProc)(int, char**);
HMODULE module_;
RunTestProc run_test_proc_;
};
// Retrieves the list of tests to run.
// Simply uses the --gtest_list_tests option which honor the filter.
// Sadly there is no dry-run option (or willingness to get such an option) in
// GTest. So we'll have to process disabled and repeat options ourselves.
bool GetTestList(const CommandLine& command_line,
std::vector<std::string>* test_list) {
DCHECK(!command_line.HasSwitch(kGTestListTestsFlag));
// Run ourselves with the --gtest_list_tests option and read the output.
std::wstring new_command_line = command_line.command_line_string() + L" --" +
kGTestListTestsFlag;
std::string output;
if (!base::GetAppOutput(new_command_line, &output))
return false;
// Now let's parse the returned output.
// It looks like:
// TestCase.
// Test1
// Test2
// OtherTestCase.
// FooTest
// ...
std::vector<std::string> lines;
SplitString(output, '\n', &lines);
std::string test_case;
for (std::vector<std::string>::const_iterator iter = lines.begin();
iter != lines.end(); ++iter) {
std::string line = *iter;
if (line.empty())
continue; // Just ignore empty lines if any.
if (line[line.size() - 1] == '.') {
// This is a new test case.
test_case = line;
continue;
}
// We are dealing with a test.
test_list->push_back(test_case + line);
}
return true;
}
int main(int argc, char** argv) {
CommandLine::Init(argc, argv);
const CommandLine* command_line = CommandLine::ForCurrentProcess();
if (command_line->HasSwitch(kGTestListTestsFlag)) {
TestEnvContext test_context;
if (!test_context.Init())
return 1;
return test_context.RunAsIs(argc, argv);
}
// First let's get the list of tests we need to run.
std::vector<std::string> test_list;
if (!GetTestList(*command_line, &test_list)) {
printf("Failed to retrieve the tests to run.\n");
return 0;
}
if (test_list.empty()) {
printf("No tests to run.\n");
return 0;
}
// Run the tests.
int test_run_count = 0;
std::vector<std::string> failed_tests;
for (std::vector<std::string>::const_iterator iter = test_list.begin();
iter != test_list.end(); ++iter) {
std::string test_name = *iter;
TestEnvContext test_context;
if (!test_context.Init())
return 1;
test_run_count++;
if (!test_context.RunTest(test_name.c_str())) {
if (std::find(failed_tests.begin(), failed_tests.end(), test_name) ==
failed_tests.end()) {
failed_tests.push_back(*iter);
}
}
}
printf("%d test%s run\n", test_run_count, test_run_count > 1 ? "s" : "");
printf("%d test%s failed\n", failed_tests.size(),
failed_tests.size() > 1 ? "s" : "");
if (failed_tests.empty())
return 0;
printf("Failing tests:\n");
for (std::vector<std::string>::const_iterator iter = failed_tests.begin();
iter != failed_tests.end(); ++iter) {
printf("%s\n", iter->c_str());
}
return 1;
}
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