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// Copyright 2013 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 "base/test/gtest_xml_util.h"
#include "base/files/file_util.h"
#include "base/logging.h"
#include "base/strings/stringprintf.h"
#include "base/test/gtest_util.h"
#include "base/test/launcher/test_launcher.h"
#include "third_party/libxml/chromium/libxml_utils.h"
namespace base {
namespace {
// This is used for the xml parser to report errors. This assumes the context
// is a pointer to a std::string where the error message should be appended.
static void XmlErrorFunc(void *context, const char *message, ...) {
va_list args;
va_start(args, message);
std::string* error = static_cast<std::string*>(context);
base::StringAppendV(error, message, args);
va_end(args);
}
} // namespace
XmlUnitTestResultPrinter::XmlUnitTestResultPrinter() : output_file_(NULL) {
}
XmlUnitTestResultPrinter::~XmlUnitTestResultPrinter() {
if (output_file_) {
fprintf(output_file_, "</testsuites>\n");
fflush(output_file_);
base::CloseFile(output_file_);
}
}
bool XmlUnitTestResultPrinter::Initialize(const FilePath& output_file_path) {
DCHECK(!output_file_);
output_file_ = OpenFile(output_file_path, "w");
if (!output_file_)
return false;
fprintf(output_file_,
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<testsuites>\n");
fflush(output_file_);
return true;
}
void XmlUnitTestResultPrinter::OnTestCaseStart(
const testing::TestCase& test_case) {
fprintf(output_file_, " <testsuite>\n");
fflush(output_file_);
}
void XmlUnitTestResultPrinter::OnTestStart(const testing::TestInfo& test_info) {
// This is our custom extension - it helps to recognize which test was running
// when the test binary crashed. Note that we cannot even open the <testcase>
// tag here - it requires e.g. run time of the test to be known.
fprintf(output_file_,
" <x-teststart name=\"%s\" classname=\"%s\" />\n",
test_info.name(),
test_info.test_case_name());
fflush(output_file_);
}
void XmlUnitTestResultPrinter::OnTestEnd(const testing::TestInfo& test_info) {
fprintf(output_file_,
" <testcase name=\"%s\" status=\"run\" time=\"%.3f\""
" classname=\"%s\">\n",
test_info.name(),
static_cast<double>(test_info.result()->elapsed_time()) /
Time::kMillisecondsPerSecond,
test_info.test_case_name());
if (test_info.result()->Failed())
fprintf(output_file_, " <failure message=\"\" type=\"\"></failure>\n");
fprintf(output_file_, " </testcase>\n");
fflush(output_file_);
}
void XmlUnitTestResultPrinter::OnTestCaseEnd(
const testing::TestCase& test_case) {
fprintf(output_file_, " </testsuite>\n");
fflush(output_file_);
}
bool ProcessGTestOutput(const base::FilePath& output_file,
std::vector<TestResult>* results,
bool* crashed) {
DCHECK(results);
std::string xml_contents;
if (!ReadFileToString(output_file, &xml_contents))
return false;
// Silence XML errors - otherwise they go to stderr.
std::string xml_errors;
ScopedXmlErrorFunc error_func(&xml_errors, &XmlErrorFunc);
XmlReader xml_reader;
if (!xml_reader.Load(xml_contents))
return false;
enum {
STATE_INIT,
STATE_TESTSUITE,
STATE_TESTCASE,
STATE_FAILURE,
STATE_END,
} state = STATE_INIT;
while (xml_reader.Read()) {
xml_reader.SkipToElement();
std::string node_name(xml_reader.NodeName());
switch (state) {
case STATE_INIT:
if (node_name == "testsuites" && !xml_reader.IsClosingElement())
state = STATE_TESTSUITE;
else
return false;
break;
case STATE_TESTSUITE:
if (node_name == "testsuites" && xml_reader.IsClosingElement())
state = STATE_END;
else if (node_name == "testsuite" && !xml_reader.IsClosingElement())
state = STATE_TESTCASE;
else
return false;
break;
case STATE_TESTCASE:
if (node_name == "testsuite" && xml_reader.IsClosingElement()) {
state = STATE_TESTSUITE;
} else if (node_name == "x-teststart" &&
!xml_reader.IsClosingElement()) {
// This is our custom extension that helps recognize which test was
// running when the test binary crashed.
TestResult result;
std::string test_case_name;
if (!xml_reader.NodeAttribute("classname", &test_case_name))
return false;
std::string test_name;
if (!xml_reader.NodeAttribute("name", &test_name))
return false;
result.full_name = FormatFullTestName(test_case_name, test_name);
result.elapsed_time = TimeDelta();
// Assume the test crashed - we can correct that later.
result.status = TestResult::TEST_CRASH;
results->push_back(result);
} else if (node_name == "testcase" && !xml_reader.IsClosingElement()) {
std::string test_status;
if (!xml_reader.NodeAttribute("status", &test_status))
return false;
if (test_status != "run" && test_status != "notrun")
return false;
if (test_status != "run")
break;
TestResult result;
std::string test_case_name;
if (!xml_reader.NodeAttribute("classname", &test_case_name))
return false;
std::string test_name;
if (!xml_reader.NodeAttribute("name", &test_name))
return false;
result.full_name = test_case_name + "." + test_name;
std::string test_time_str;
if (!xml_reader.NodeAttribute("time", &test_time_str))
return false;
result.elapsed_time = TimeDelta::FromMicroseconds(
static_cast<int64>(strtod(test_time_str.c_str(), NULL) *
Time::kMicrosecondsPerSecond));
result.status = TestResult::TEST_SUCCESS;
if (!results->empty() &&
results->at(results->size() - 1).full_name == result.full_name &&
results->at(results->size() - 1).status ==
TestResult::TEST_CRASH) {
// Erase the fail-safe "crashed" result - now we know the test did
// not crash.
results->pop_back();
}
results->push_back(result);
} else if (node_name == "failure" && !xml_reader.IsClosingElement()) {
std::string failure_message;
if (!xml_reader.NodeAttribute("message", &failure_message))
return false;
DCHECK(!results->empty());
results->at(results->size() - 1).status = TestResult::TEST_FAILURE;
state = STATE_FAILURE;
} else if (node_name == "testcase" && xml_reader.IsClosingElement()) {
// Deliberately empty.
} else {
return false;
}
break;
case STATE_FAILURE:
if (node_name == "failure" && xml_reader.IsClosingElement())
state = STATE_TESTCASE;
else
return false;
break;
case STATE_END:
// If we are here and there are still XML elements, the file has wrong
// format.
return false;
}
}
*crashed = (state != STATE_END);
return true;
}
} // namespace base
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