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Merge pull request #1479 from petrhosek/json

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Support JSON output format in addition to XML
This commit is contained in:
Gennadiy Civil 2018-02-28 14:50:35 -05:00 committed by GitHub
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6 changed files with 1403 additions and 10 deletions
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2
googletest/CMakeLists.txt
View File

@ -304,7 +304,9 @@ if (gtest_build_tests)
cxx_executable(gtest_xml_outfile1_test_ test gtest_main) cxx_executable(gtest_xml_outfile1_test_ test gtest_main)
cxx_executable(gtest_xml_outfile2_test_ test gtest_main) cxx_executable(gtest_xml_outfile2_test_ test gtest_main)
py_test(gtest_xml_outfiles_test) py_test(gtest_xml_outfiles_test)
py_test(gtest_json_outfiles_test)
cxx_executable(gtest_xml_output_unittest_ test gtest) cxx_executable(gtest_xml_output_unittest_ test gtest)
py_test(gtest_xml_output_unittest) py_test(gtest_xml_output_unittest)
py_test(gtest_json_output_unittest)
endif() endif()

201
googletest/docs/AdvancedGuide.md
View File

@ -2060,6 +2060,207 @@ Things to note:
_Availability:_ Linux, Windows, Mac. _Availability:_ Linux, Windows, Mac.
#### Generating an JSON Report {#JsonReport}
gUnit can also emit a JSON report as an alternative format to XML. To generate
the JSON report, set the `GUNIT_OUTPUT` environment variable or the
`--gunit_output` flag to the string `"json:path_to_output_file"`, which will
create the file at the given location. You can also just use the string
`"json"`, in which case the output can be found in the `test_detail.json` file
in the current directory.
The report format conforms to the following JSON Schema:
```json
{
"$schema": "http://json-schema.org/schema#",
"type": "object",
"definitions": {
"TestCase": {
"type": "object",
"properties": {
"name": { "type": "string" },
"tests": { "type": "integer" },
"failures": { "type": "integer" },
"disabled": { "type": "integer" },
"time": { "type": "string" },
"testsuite": {
"type": "array",
"items": {
"$ref": "#/definitions/TestInfo"
}
}
}
},
"TestInfo": {
"type": "object",
"properties": {
"name": { "type": "string" },
"status": {
"type": "string",
"enum": ["RUN", "NOTRUN"]
},
"time": { "type": "string" },
"classname": { "type": "string" },
"failures": {
"type": "array",
"items": {
"$ref": "#/definitions/Failure"
}
}
}
},
"Failure": {
"type": "object",
"properties": {
"failures": { "type": "string" },
"type": { "type": "string" }
}
}
},
"properties": {
"tests": { "type": "integer" },
"failures": { "type": "integer" },
"disabled": { "type": "integer" },
"errors": { "type": "integer" },
"timestamp": {
"type": "string",
"format": "date-time"
},
"time": { "type": "string" },
"name": { "type": "string" },
"testsuites": {
"type": "array",
"items": {
"$ref": "#/definitions/TestCase"
}
}
}
}
```
The report uses the format that conforms to the following Proto3 using the
[JSON encoding](https://developers.google.com/protocol-buffers/docs/proto3#json):
```proto
syntax = "proto3";
package googletest;
import "google/protobuf/timestamp.proto";
import "google/protobuf/duration.proto";
message UnitTest {
int32 tests = 1;
int32 failures = 2;
int32 disabled = 3;
int32 errors = 4;
google.protobuf.Timestamp timestamp = 5;
google.protobuf.Duration time = 6;
string name = 7;
repeated TestCase testsuites = 8;
}
message TestCase {
string name = 1;
int32 tests = 2;
int32 failures = 3;
int32 disabled = 4;
int32 errors = 5;
google.protobuf.Duration time = 6;
repeated TestInfo testsuite = 7;
}
message TestInfo {
string name = 1;
enum Status {
RUN = 0;
NOTRUN = 1;
}
Status status = 2;
google.protobuf.Duration time = 3;
string classname = 4;
message Failure {
string failures = 1;
string type = 2;
}
repeated Failure failures = 5;
}
```
For instance, the following program
```c++
TEST(MathTest, Addition) { ... }
TEST(MathTest, Subtraction) { ... }
TEST(LogicTest, NonContradiction) { ... }
```
could generate this report:
```json
{
"tests": 3,
"failures": 1,
"errors": 0,
"time": "0.035s",
"timestamp": "2011-10-31T18:52:42Z"
"name": "AllTests",
"testsuites": [
{
"name": "MathTest",
"tests": 2,
"failures": 1,
"errors": 0,
"time": "0.015s",
"testsuite": [
{
"name": "Addition",
"status": "RUN",
"time": "0.007s",
"classname": "",
"failures": [
{
"message": "Value of: add(1, 1)\x0A Actual: 3\x0AExpected: 2",
"type": ""
},
{
"message": "Value of: add(1, -1)\x0A Actual: 1\x0AExpected: 0",
"type": ""
}
]
},
{
"name": "Subtraction",
"status": "RUN",
"time": "0.005s",
"classname": ""
}
]
}
{
"name": "LogicTest",
"tests": 1,
"failures": 0,
"errors": 0,
"time": "0.005s",
"testsuite": [
{
"name": "NonContradiction",
"status": "RUN",
"time": "0.005s",
"classname": ""
}
]
}
]
}
```
IMPORTANT: The exact format of the JSON document is subject to change.
**Availability**: Linux, Windows, Mac.
## Controlling How Failures Are Reported ## ## Controlling How Failures Are Reported ##
### Turning Assertion Failures into Break-Points ### ### Turning Assertion Failures into Break-Points ###

375
googletest/src/gtest.cc
View File

@ -160,8 +160,10 @@ static const char kDeathTestCaseFilter[] = "*DeathTest:*DeathTest/*";
// A test filter that matches everything. // A test filter that matches everything.
static const char kUniversalFilter[] = "*"; static const char kUniversalFilter[] = "*";
// The default output file for XML output. // The default output format.
static const char kDefaultOutputFile[] = "test_detail.xml"; static const char kDefaultOutputFormat[] = "xml";
// The default output file.
static const char kDefaultOutputFile[] = "test_detail";
// The environment variable name for the test shard index. // The environment variable name for the test shard index.
static const char kTestShardIndex[] = "GTEST_SHARD_INDEX"; static const char kTestShardIndex[] = "GTEST_SHARD_INDEX";
@ -231,9 +233,9 @@ GTEST_DEFINE_bool_(list_tests, false,
GTEST_DEFINE_string_( GTEST_DEFINE_string_(
output, output,
internal::StringFromGTestEnv("output", ""), internal::StringFromGTestEnv("output", ""),
"A format (currently must be \"xml\"), optionally followed " "A format (defaults to \"xml\" but can be specified to be \"json\"), "
"by a colon and an output file name or directory. A directory " "optionally followed by a colon and an output file name or directory. "
"is indicated by a trailing pathname separator. " "A directory is indicated by a trailing pathname separator. "
"Examples: \"xml:filename.xml\", \"xml::directoryname/\". " "Examples: \"xml:filename.xml\", \"xml::directoryname/\". "
"If a directory is specified, output files will be created " "If a directory is specified, output files will be created "
"within that directory, with file-names based on the test " "within that directory, with file-names based on the test "
@ -428,12 +430,17 @@ std::string UnitTestOptions::GetAbsolutePathToOutputFile() {
if (gtest_output_flag == NULL) if (gtest_output_flag == NULL)
return ""; return "";
std::string format = GetOutputFormat();
if (format.empty())
format = std::string(kDefaultOutputFormat);
const char* const colon = strchr(gtest_output_flag, ':'); const char* const colon = strchr(gtest_output_flag, ':');
if (colon == NULL) if (colon == NULL)
return internal::FilePath::ConcatPaths( return internal::FilePath::MakeFileName(
internal::FilePath( internal::FilePath(
UnitTest::GetInstance()->original_working_dir()), UnitTest::GetInstance()->original_working_dir()),
internal::FilePath(kDefaultOutputFile)).string(); internal::FilePath(kDefaultOutputFile), 0,
format.c_str()).string();
internal::FilePath output_name(colon + 1); internal::FilePath output_name(colon + 1);
if (!output_name.IsAbsolutePath()) if (!output_name.IsAbsolutePath())
@ -3771,6 +3778,351 @@ std::string XmlUnitTestResultPrinter::TestPropertiesAsXmlAttributes(
// End XmlUnitTestResultPrinter // End XmlUnitTestResultPrinter
// This class generates an JSON output file.
class JsonUnitTestResultPrinter : public EmptyTestEventListener {
public:
explicit JsonUnitTestResultPrinter(const char* output_file);
virtual void OnTestIterationEnd(const UnitTest& unit_test, int iteration);
private:
// Returns an JSON-escaped copy of the input string str.
static std::string EscapeJson(const std::string& str);
//// Verifies that the given attribute belongs to the given element and
//// streams the attribute as JSON.
static void OutputJsonKey(std::ostream* stream,
const std::string& element_name,
const std::string& name,
const std::string& value,
const std::string& indent,
bool comma = true);
static void OutputJsonKey(std::ostream* stream,
const std::string& element_name,
const std::string& name,
int value,
const std::string& indent,
bool comma = true);
// Streams a JSON representation of a TestInfo object.
static void OutputJsonTestInfo(::std::ostream* stream,
const char* test_case_name,
const TestInfo& test_info);
// Prints a JSON representation of a TestCase object
static void PrintJsonTestCase(::std::ostream* stream,
const TestCase& test_case);
// Prints a JSON summary of unit_test to output stream out.
static void PrintJsonUnitTest(::std::ostream* stream,
const UnitTest& unit_test);
// Produces a string representing the test properties in a result as
// a JSON dictionary.
static std::string TestPropertiesAsJson(const TestResult& result,
const std::string& indent);
// The output file.
const std::string output_file_;
GTEST_DISALLOW_COPY_AND_ASSIGN_(JsonUnitTestResultPrinter);
};
// Creates a new JsonUnitTestResultPrinter.
JsonUnitTestResultPrinter::JsonUnitTestResultPrinter(const char* output_file)
: output_file_(output_file) {
if (output_file_.empty()) {
GTEST_LOG_(FATAL) << "JSON output file may not be null";
}
}
void JsonUnitTestResultPrinter::OnTestIterationEnd(const UnitTest& unit_test,
int /*iteration*/) {
FILE* jsonout = NULL;
FilePath output_file(output_file_);
FilePath output_dir(output_file.RemoveFileName());
if (output_dir.CreateDirectoriesRecursively()) {
jsonout = posix::FOpen(output_file_.c_str(), "w");
}
if (jsonout == NULL) {
// TODO(phosek): report the reason of the failure.
//
// We don't do it for now as:
//
// 1. There is no urgent need for it.
// 2. It's a bit involved to make the errno variable thread-safe on
// all three operating systems (Linux, Windows, and Mac OS).
// 3. To interpret the meaning of errno in a thread-safe way,
// we need the strerror_r() function, which is not available on
// Windows.
GTEST_LOG_(FATAL) << "Unable to open file \""
<< output_file_ << "\"";
}
std::stringstream stream;
PrintJsonUnitTest(&stream, unit_test);
fprintf(jsonout, "%s", StringStreamToString(&stream).c_str());
fclose(jsonout);
}
// Returns an JSON-escaped copy of the input string str.
std::string JsonUnitTestResultPrinter::EscapeJson(const std::string& str) {
Message m;
for (size_t i = 0; i < str.size(); ++i) {
const char ch = str[i];
switch (ch) {
case '\\':
case '"':
case '/':
m << '\\' << ch;
break;
case '\b':
m << "\\b";
break;
case '\t':
m << "\\t";
break;
case '\n':
m << "\\n";
break;
case '\f':
m << "\\f";
break;
case '\r':
m << "\\r";
break;
default:
if (ch < ' ') {
m << "\\u00" << String::FormatByte(static_cast<unsigned char>(ch));
} else {
m << ch;
}
break;
}
}
return m.GetString();
}
// The following routines generate an JSON representation of a UnitTest
// object.
// Formats the given time in milliseconds as seconds.
static std::string FormatTimeInMillisAsDuration(TimeInMillis ms) {
::std::stringstream ss;
ss << (static_cast<double>(ms) * 1e-3) << "s";
return ss.str();
}
// Converts the given epoch time in milliseconds to a date string in the
// RFC3339 format, without the timezone information.
static std::string FormatEpochTimeInMillisAsRFC3339(TimeInMillis ms) {
struct tm time_struct;
if (!PortableLocaltime(static_cast<time_t>(ms / 1000), &time_struct))
return "";
// YYYY-MM-DDThh:mm:ss
return StreamableToString(time_struct.tm_year + 1900) + "-" +
String::FormatIntWidth2(time_struct.tm_mon + 1) + "-" +
String::FormatIntWidth2(time_struct.tm_mday) + "T" +
String::FormatIntWidth2(time_struct.tm_hour) + ":" +
String::FormatIntWidth2(time_struct.tm_min) + ":" +
String::FormatIntWidth2(time_struct.tm_sec) + "Z";
}
static inline std::string Indent(int width) {
return std::string(width, ' ');
}
void JsonUnitTestResultPrinter::OutputJsonKey(
std::ostream* stream,
const std::string& element_name,
const std::string& name,
const std::string& value,
const std::string& indent,
bool comma) {
const std::vector<std::string>& allowed_names =
GetReservedAttributesForElement(element_name);
GTEST_CHECK_(std::find(allowed_names.begin(), allowed_names.end(), name) !=
allowed_names.end())
<< "Key \"" << name << "\" is not allowed for value \"" << element_name
<< "\".";
*stream << indent << "\"" << name << "\": \"" << EscapeJson(value) << "\"";
if (comma)
*stream << ",\n";
}
void JsonUnitTestResultPrinter::OutputJsonKey(
std::ostream* stream,
const std::string& element_name,
const std::string& name,
int value,
const std::string& indent,
bool comma) {
const std::vector<std::string>& allowed_names =
GetReservedAttributesForElement(element_name);
GTEST_CHECK_(std::find(allowed_names.begin(), allowed_names.end(), name) !=
allowed_names.end())
<< "Key \"" << name << "\" is not allowed for value \"" << element_name
<< "\".";
*stream << indent << "\"" << name << "\": " << StreamableToString(value);
if (comma)
*stream << ",\n";
}
// Prints a JSON representation of a TestInfo object.
void JsonUnitTestResultPrinter::OutputJsonTestInfo(::std::ostream* stream,
const char* test_case_name,
const TestInfo& test_info) {
const TestResult& result = *test_info.result();
const std::string kTestcase = "testcase";
const std::string kIndent = Indent(10);
*stream << Indent(8) << "{\n";
OutputJsonKey(stream, kTestcase, "name", test_info.name(), kIndent);
if (test_info.value_param() != NULL) {
OutputJsonKey(stream, kTestcase, "value_param",
test_info.value_param(), kIndent);
}
if (test_info.type_param() != NULL) {
OutputJsonKey(stream, kTestcase, "type_param", test_info.type_param(),
kIndent);
}
OutputJsonKey(stream, kTestcase, "status",
test_info.should_run() ? "RUN" : "NOTRUN", kIndent);
OutputJsonKey(stream, kTestcase, "time",
FormatTimeInMillisAsDuration(result.elapsed_time()), kIndent);
OutputJsonKey(stream, kTestcase, "classname", test_case_name, kIndent, false);
*stream << TestPropertiesAsJson(result, kIndent);
int failures = 0;
for (int i = 0; i < result.total_part_count(); ++i) {
const TestPartResult& part = result.GetTestPartResult(i);
if (part.failed()) {
*stream << ",\n";
if (++failures == 1) {
*stream << kIndent << "\"" << "failures" << "\": [\n";
}
const std::string location =
internal::FormatCompilerIndependentFileLocation(part.file_name(),
part.line_number());
const std::string summary = EscapeJson(location + "\n" + part.summary());
*stream << kIndent << " {\n"
<< kIndent << " \"failure\": \"" << summary << "\",\n"
<< kIndent << " \"type\": \"\"\n"
<< kIndent << " }";
}
}
if (failures > 0)
*stream << "\n" << kIndent << "]";
*stream << "\n" << Indent(8) << "}";
}
// Prints an JSON representation of a TestCase object
void JsonUnitTestResultPrinter::PrintJsonTestCase(std::ostream* stream,
const TestCase& test_case) {
const std::string kTestsuite = "testsuite";
const std::string kIndent = Indent(6);
*stream << Indent(4) << "{\n";
OutputJsonKey(stream, kTestsuite, "name", test_case.name(), kIndent);
OutputJsonKey(stream, kTestsuite, "tests", test_case.reportable_test_count(),
kIndent);
OutputJsonKey(stream, kTestsuite, "failures", test_case.failed_test_count(),
kIndent);
OutputJsonKey(stream, kTestsuite, "disabled",
test_case.reportable_disabled_test_count(), kIndent);
OutputJsonKey(stream, kTestsuite, "errors", 0, kIndent);
OutputJsonKey(stream, kTestsuite, "time",
FormatTimeInMillisAsDuration(test_case.elapsed_time()), kIndent,
false);
*stream << TestPropertiesAsJson(test_case.ad_hoc_test_result(), kIndent)
<< ",\n";
*stream << kIndent << "\"" << kTestsuite << "\": [\n";
bool comma = false;
for (int i = 0; i < test_case.total_test_count(); ++i) {
if (test_case.GetTestInfo(i)->is_reportable()) {
if (comma) {
*stream << ",\n";
} else {
comma = true;
}
OutputJsonTestInfo(stream, test_case.name(), *test_case.GetTestInfo(i));
}
}
*stream << "\n" << kIndent << "]\n" << Indent(4) << "}";
}
// Prints a JSON summary of unit_test to output stream out.
void JsonUnitTestResultPrinter::PrintJsonUnitTest(std::ostream* stream,
const UnitTest& unit_test) {
const std::string kTestsuites = "testsuites";
const std::string kIndent = Indent(2);
*stream << "{\n";
OutputJsonKey(stream, kTestsuites, "tests", unit_test.reportable_test_count(),
kIndent);
OutputJsonKey(stream, kTestsuites, "failures", unit_test.failed_test_count(),
kIndent);
OutputJsonKey(stream, kTestsuites, "disabled",
unit_test.reportable_disabled_test_count(), kIndent);
OutputJsonKey(stream, kTestsuites, "errors", 0, kIndent);
if (GTEST_FLAG(shuffle)) {
OutputJsonKey(stream, kTestsuites, "random_seed", unit_test.random_seed(),
kIndent);
}
OutputJsonKey(stream, kTestsuites, "timestamp",
FormatEpochTimeInMillisAsRFC3339(unit_test.start_timestamp()),
kIndent);
OutputJsonKey(stream, kTestsuites, "time",
FormatTimeInMillisAsDuration(unit_test.elapsed_time()), kIndent,
false);
*stream << TestPropertiesAsJson(unit_test.ad_hoc_test_result(), kIndent)
<< ",\n";
OutputJsonKey(stream, kTestsuites, "name", "AllTests", kIndent);
*stream << kIndent << "\"" << kTestsuites << "\": [\n";
bool comma = false;
for (int i = 0; i < unit_test.total_test_case_count(); ++i) {
if (unit_test.GetTestCase(i)->reportable_test_count() > 0) {
if (comma) {
*stream << ",\n";
} else {
comma = true;
}
PrintJsonTestCase(stream, *unit_test.GetTestCase(i));
}
}
*stream << "\n" << kIndent << "]\n" << "}\n";
}
// Produces a string representing the test properties in a result as
// a JSON dictionary.
std::string JsonUnitTestResultPrinter::TestPropertiesAsJson(
const TestResult& result, const std::string& indent) {
Message attributes;
for (int i = 0; i < result.test_property_count(); ++i) {
const TestProperty& property = result.GetTestProperty(i);
attributes << ",\n" << indent << "\"" << property.key() << "\": "
<< "\"" << EscapeJson(property.value()) << "\"";
}
return attributes.GetString();
}
// End JsonUnitTestResultPrinter
#if GTEST_CAN_STREAM_RESULTS_ #if GTEST_CAN_STREAM_RESULTS_
// Checks if str contains '=', '&', '%' or '\n' characters. If yes, // Checks if str contains '=', '&', '%' or '\n' characters. If yes,
@ -4397,6 +4749,9 @@ void UnitTestImpl::ConfigureXmlOutput() {
if (output_format == "xml") { if (output_format == "xml") {
listeners()->SetDefaultXmlGenerator(new XmlUnitTestResultPrinter( listeners()->SetDefaultXmlGenerator(new XmlUnitTestResultPrinter(
UnitTestOptions::GetAbsolutePathToOutputFile().c_str())); UnitTestOptions::GetAbsolutePathToOutputFile().c_str()));
} else if (output_format == "json") {
listeners()->SetDefaultXmlGenerator(new JsonUnitTestResultPrinter(
UnitTestOptions::GetAbsolutePathToOutputFile().c_str()));
} else if (output_format != "") { } else if (output_format != "") {
GTEST_LOG_(WARNING) << "WARNING: unrecognized output format \"" GTEST_LOG_(WARNING) << "WARNING: unrecognized output format \""
<< output_format << "\" ignored."; << output_format << "\" ignored.";
@ -5182,10 +5537,10 @@ static const char kColorEncodedHelpMessage[] =
" Enable/disable colored output. The default is @Gauto@D.\n" " Enable/disable colored output. The default is @Gauto@D.\n"
" @G--" GTEST_FLAG_PREFIX_ "print_time=0@D\n" " @G--" GTEST_FLAG_PREFIX_ "print_time=0@D\n"
" Don't print the elapsed time of each test.\n" " Don't print the elapsed time of each test.\n"
" @G--" GTEST_FLAG_PREFIX_ "output=xml@Y[@G:@YDIRECTORY_PATH@G" " @G--" GTEST_FLAG_PREFIX_ "output=@Y(@Gjson@Y|@Gxml@Y)[@G:@YDIRECTORY_PATH@G"
GTEST_PATH_SEP_ "@Y|@G:@YFILE_PATH]@D\n" GTEST_PATH_SEP_ "@Y|@G:@YFILE_PATH]@D\n"
" Generate an XML report in the given directory or with the given file\n" " Generate a JSON or XML report in the given directory or with the given\n"
" name. @YFILE_PATH@D defaults to @Gtest_detail.xml@D.\n" " file name. @YFILE_PATH@D defaults to @Gtest_details.xml@D.\n"
#if GTEST_CAN_STREAM_RESULTS_ #if GTEST_CAN_STREAM_RESULTS_
" @G--" GTEST_FLAG_PREFIX_ "stream_result_to=@YHOST@G:@YPORT@D\n" " @G--" GTEST_FLAG_PREFIX_ "stream_result_to=@YHOST@G:@YPORT@D\n"
" Stream test results to the given server.\n" " Stream test results to the given server.\n"

163
googletest/test/gtest_json_outfiles_test.py Normal file
View File

@ -0,0 +1,163 @@
#!/usr/bin/env python
# Copyright 2018, 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.
"""Unit test for the gtest_json_output module."""
import json
import os
import gtest_test_utils
import gtest_json_test_utils
GTEST_OUTPUT_SUBDIR = 'json_outfiles'
GTEST_OUTPUT_1_TEST = 'gtest_xml_outfile1_test_'
GTEST_OUTPUT_2_TEST = 'gtest_xml_outfile2_test_'
EXPECTED_1 = {
u'tests': 1,
u'failures': 0,
u'disabled': 0,
u'errors': 0,
u'time': u'*',
u'timestamp': u'*',
u'name': u'AllTests',
u'testsuites': [{
u'name': u'PropertyOne',
u'tests': 1,
u'failures': 0,
u'disabled': 0,
u'errors': 0,
u'time': u'*',
u'testsuite': [{
u'name': u'TestSomeProperties',
u'status': u'RUN',
u'time': u'*',
u'classname': u'PropertyOne',
u'SetUpProp': u'1',
u'TestSomeProperty': u'1',
u'TearDownProp': u'1',
}],
}],
}
EXPECTED_2 = {
u'tests': 1,
u'failures': 0,
u'disabled': 0,
u'errors': 0,
u'time': u'*',
u'timestamp': u'*',
u'name': u'AllTests',
u'testsuites': [{
u'name': u'PropertyTwo',
u'tests': 1,
u'failures': 0,
u'disabled': 0,
u'errors': 0,
u'time': u'*',
u'testsuite': [{
u'name': u'TestSomeProperties',
u'status': u'RUN',
u'time': u'*',
u'classname': u'PropertyTwo',
u'SetUpProp': u'2',
u'TestSomeProperty': u'2',
u'TearDownProp': u'2',
}],
}],
}
class GTestJsonOutFilesTest(gtest_test_utils.TestCase):
"""Unit test for Google Test's JSON output functionality."""
def setUp(self):
# We want the trailing '/' that the last "" provides in os.path.join, for
# telling Google Test to create an output directory instead of a single file
# for xml output.
self.output_dir_ = os.path.join(gtest_test_utils.GetTempDir(),
GTEST_OUTPUT_SUBDIR, '')
self.DeleteFilesAndDir()
def tearDown(self):
self.DeleteFilesAndDir()
def DeleteFilesAndDir(self):
try:
os.remove(os.path.join(self.output_dir_, GTEST_OUTPUT_1_TEST + '.json'))
except os.error:
pass
try:
os.remove(os.path.join(self.output_dir_, GTEST_OUTPUT_2_TEST + '.json'))
except os.error:
pass
try:
os.rmdir(self.output_dir_)
except os.error:
pass
def testOutfile1(self):
self._TestOutFile(GTEST_OUTPUT_1_TEST, EXPECTED_1)
def testOutfile2(self):
self._TestOutFile(GTEST_OUTPUT_2_TEST, EXPECTED_2)
def _TestOutFile(self, test_name, expected):
gtest_prog_path = gtest_test_utils.GetTestExecutablePath(test_name)
command = [gtest_prog_path, '--gtest_output=json:%s' % self.output_dir_]
p = gtest_test_utils.Subprocess(command,
working_dir=gtest_test_utils.GetTempDir())
self.assert_(p.exited)
self.assertEquals(0, p.exit_code)
# TODO(wan@google.com): libtool causes the built test binary to be
# named lt-gtest_xml_outfiles_test_ instead of
# gtest_xml_outfiles_test_. To account for this possibility, we
# allow both names in the following code. We should remove this
# hack when Chandler Carruth's libtool replacement tool is ready.
output_file_name1 = test_name + '.json'
output_file1 = os.path.join(self.output_dir_, output_file_name1)
output_file_name2 = 'lt-' + output_file_name1
output_file2 = os.path.join(self.output_dir_, output_file_name2)
self.assert_(os.path.isfile(output_file1) or os.path.isfile(output_file2),
output_file1)
if os.path.isfile(output_file1):
with open(output_file1) as f:
actual = json.load(f)
else:
with open(output_file2) as f:
actual = json.load(f)
self.assertEqual(expected, gtest_json_test_utils.normalize(actual))
if __name__ == '__main__':
os.environ['GTEST_STACK_TRACE_DEPTH'] = '0'
gtest_test_utils.Main()

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googletest/test/gtest_json_output_unittest.py Normal file
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@ -0,0 +1,612 @@
#!/usr/bin/env python
# Copyright 2018, 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.
"""Unit test for the gtest_json_output module."""
import datetime
import errno
import json
import os
import re
import sys
import gtest_test_utils
import gtest_json_test_utils
GTEST_FILTER_FLAG = '--gtest_filter'
GTEST_LIST_TESTS_FLAG = '--gtest_list_tests'
GTEST_OUTPUT_FLAG = '--gtest_output'
GTEST_DEFAULT_OUTPUT_FILE = 'test_detail.json'
GTEST_PROGRAM_NAME = 'gtest_xml_output_unittest_'
SUPPORTS_STACK_TRACES = False
if SUPPORTS_STACK_TRACES:
STACK_TRACE_TEMPLATE = '\nStack trace:\n*'
else:
STACK_TRACE_TEMPLATE = ''
EXPECTED_NON_EMPTY = {
u'tests': 23,
u'failures': 4,
u'disabled': 2,
u'errors': 0,
u'timestamp': u'*',
u'time': u'*',
u'ad_hoc_property': u'42',
u'name': u'AllTests',
u'testsuites': [
{
u'name': u'SuccessfulTest',
u'tests': 1,
u'failures': 0,
u'disabled': 0,
u'errors': 0,
u'time': u'*',
u'testsuite': [
{
u'name': u'Succeeds',
u'status': u'RUN',
u'time': u'*',
u'classname': u'SuccessfulTest'
}
]
},
{
u'name': u'FailedTest',
u'tests': 1,
u'failures': 1,
u'disabled': 0,
u'errors': 0,
u'time': u'*',
u'testsuite': [
{
u'name': u'Fails',
u'status': u'RUN',
u'time': u'*',
u'classname': u'FailedTest',
u'failures': [
{
u'failure':
u'gtest_xml_output_unittest_.cc:*\n'
u'Expected equality of these values:\n'
u' 1\n 2' + STACK_TRACE_TEMPLATE,
u'type': u''
}
]
}
]
},
{
u'name': u'DisabledTest',
u'tests': 1,
u'failures': 0,
u'disabled': 1,
u'errors': 0,
u'time': u'*',
u'testsuite': [
{
u'name': u'DISABLED_test_not_run',
u'status': u'NOTRUN',
u'time': u'*',
u'classname': u'DisabledTest'
}
]
},
{
u'name': u'MixedResultTest',
u'tests': 3,
u'failures': 1,
u'disabled': 1,
u'errors': 0,
u'time': u'*',
u'testsuite': [
{
u'name': u'Succeeds',
u'status': u'RUN',
u'time': u'*',
u'classname': u'MixedResultTest'
},
{
u'name': u'Fails',
u'status': u'RUN',
u'time': u'*',
u'classname': u'MixedResultTest',
u'failures': [
{
u'failure':
u'gtest_xml_output_unittest_.cc:*\n'
u'Expected equality of these values:\n'
u' 1\n 2' + STACK_TRACE_TEMPLATE,
u'type': u''
},
{
u'failure':
u'gtest_xml_output_unittest_.cc:*\n'
u'Expected equality of these values:\n'
u' 2\n 3' + STACK_TRACE_TEMPLATE,
u'type': u''
}
]
},
{
u'name': u'DISABLED_test',
u'status': u'NOTRUN',
u'time': u'*',
u'classname': u'MixedResultTest'
}
]
},
{
u'name': u'XmlQuotingTest',
u'tests': 1,
u'failures': 1,
u'disabled': 0,
u'errors': 0,
u'time': u'*',
u'testsuite': [
{
u'name': u'OutputsCData',
u'status': u'RUN',
u'time': u'*',
u'classname': u'XmlQuotingTest',
u'failures': [
{
u'failure':
u'gtest_xml_output_unittest_.cc:*\n'
u'Failed\nXML output: <?xml encoding="utf-8">'
u'<top><![CDATA[cdata text]]></top>' +
STACK_TRACE_TEMPLATE,
u'type': u''
}
]
}
]
},
{
u'name': u'InvalidCharactersTest',
u'tests': 1,
u'failures': 1,
u'disabled': 0,
u'errors': 0,
u'time': u'*',
u'testsuite': [
{
u'name': u'InvalidCharactersInMessage',
u'status': u'RUN',
u'time': u'*',
u'classname': u'InvalidCharactersTest',
u'failures': [
{
u'failure':
u'gtest_xml_output_unittest_.cc:*\n'
u'Failed\nInvalid characters in brackets'
u' [\x01\x02]' + STACK_TRACE_TEMPLATE,
u'type': u''
}
]
}
]
},
{
u'name': u'PropertyRecordingTest',
u'tests': 4,
u'failures': 0,
u'disabled': 0,
u'errors': 0,
u'time': u'*',
u'SetUpTestCase': u'yes',
u'TearDownTestCase': u'aye',
u'testsuite': [
{
u'name': u'OneProperty',
u'status': u'RUN',
u'time': u'*',
u'classname': u'PropertyRecordingTest',
u'key_1': u'1'
},
{
u'name': u'IntValuedProperty',
u'status': u'RUN',
u'time': u'*',
u'classname': u'PropertyRecordingTest',
u'key_int': u'1'
},
{
u'name': u'ThreeProperties',
u'status': u'RUN',
u'time': u'*',
u'classname': u'PropertyRecordingTest',
u'key_1': u'1',
u'key_2': u'2',
u'key_3': u'3'
},
{
u'name': u'TwoValuesForOneKeyUsesLastValue',
u'status': u'RUN',
u'time': u'*',
u'classname': u'PropertyRecordingTest',
u'key_1': u'2'
}
]
},
{
u'name': u'NoFixtureTest',
u'tests': 3,
u'failures': 0,
u'disabled': 0,
u'errors': 0,
u'time': u'*',
u'testsuite': [
{
u'name': u'RecordProperty',
u'status': u'RUN',
u'time': u'*',
u'classname': u'NoFixtureTest',
u'key': u'1'
},
{
u'name': u'ExternalUtilityThatCallsRecordIntValuedProperty',
u'status': u'RUN',
u'time': u'*',
u'classname': u'NoFixtureTest',
u'key_for_utility_int': u'1'
},
{
u'name':
u'ExternalUtilityThatCallsRecordStringValuedProperty',
u'status': u'RUN',
u'time': u'*',
u'classname': u'NoFixtureTest',
u'key_for_utility_string': u'1'
}
]
},
{
u'name': u'TypedTest/0',
u'tests': 1,
u'failures': 0,
u'disabled': 0,
u'errors': 0,
u'time': u'*',
u'testsuite': [
{
u'name': u'HasTypeParamAttribute',
u'type_param': u'int',
u'status': u'RUN',
u'time': u'*',
u'classname': u'TypedTest/0'
}
]
},
{
u'name': u'TypedTest/1',
u'tests': 1,
u'failures': 0,
u'disabled': 0,
u'errors': 0,
u'time': u'*',
u'testsuite': [
{
u'name': u'HasTypeParamAttribute',
u'type_param': u'long',
u'status': u'RUN',
u'time': u'*',
u'classname': u'TypedTest/1'
}
]
},
{
u'name': u'Single/TypeParameterizedTestCase/0',
u'tests': 1,
u'failures': 0,
u'disabled': 0,
u'errors': 0,
u'time': u'*',
u'testsuite': [
{
u'name': u'HasTypeParamAttribute',
u'type_param': u'int',
u'status': u'RUN',
u'time': u'*',
u'classname': u'Single/TypeParameterizedTestCase/0'
}
]
},
{
u'name': u'Single/TypeParameterizedTestCase/1',
u'tests': 1,
u'failures': 0,
u'disabled': 0,
u'errors': 0,
u'time': u'*',
u'testsuite': [
{
u'name': u'HasTypeParamAttribute',
u'type_param': u'long',
u'status': u'RUN',
u'time': u'*',
u'classname': u'Single/TypeParameterizedTestCase/1'
}
]
},
{
u'name': u'Single/ValueParamTest',
u'tests': 4,
u'failures': 0,
u'disabled': 0,
u'errors': 0,
u'time': u'*',
u'testsuite': [
{
u'name': u'HasValueParamAttribute/0',
u'value_param': u'33',
u'status': u'RUN',
u'time': u'*',
u'classname': u'Single/ValueParamTest'
},
{
u'name': u'HasValueParamAttribute/1',
u'value_param': u'42',
u'status': u'RUN',
u'time': u'*',
u'classname': u'Single/ValueParamTest'
},
{
u'name': u'AnotherTestThatHasValueParamAttribute/0',
u'value_param': u'33',
u'status': u'RUN',
u'time': u'*',
u'classname': u'Single/ValueParamTest'
},
{
u'name': u'AnotherTestThatHasValueParamAttribute/1',
u'value_param': u'42',
u'status': u'RUN',
u'time': u'*',
u'classname': u'Single/ValueParamTest'
}
]
}
]
}
EXPECTED_FILTERED = {
u'tests': 1,
u'failures': 0,
u'disabled': 0,
u'errors': 0,
u'time': u'*',
u'timestamp': u'*',
u'name': u'AllTests',
u'ad_hoc_property': u'42',
u'testsuites': [{
u'name': u'SuccessfulTest',
u'tests': 1,
u'failures': 0,
u'disabled': 0,
u'errors': 0,
u'time': u'*',
u'testsuite': [{
u'name': u'Succeeds',
u'status': u'RUN',
u'time': u'*',
u'classname': u'SuccessfulTest',
}]
}],
}
EXPECTED_EMPTY = {
u'tests': 0,
u'failures': 0,
u'disabled': 0,
u'errors': 0,
u'time': u'*',
u'timestamp': u'*',
u'name': u'AllTests',
u'testsuites': [],
}
GTEST_PROGRAM_PATH = gtest_test_utils.GetTestExecutablePath(GTEST_PROGRAM_NAME)
SUPPORTS_TYPED_TESTS = 'TypedTest' in gtest_test_utils.Subprocess(
[GTEST_PROGRAM_PATH, GTEST_LIST_TESTS_FLAG], capture_stderr=False).output
class GTestJsonOutputUnitTest(gtest_test_utils.TestCase):
"""Unit test for Google Test's JSON output functionality.
"""
# This test currently breaks on platforms that do not support typed and
# type-parameterized tests, so we don't run it under them.
if SUPPORTS_TYPED_TESTS:
def testNonEmptyJsonOutput(self):
"""Verifies JSON output for a Google Test binary with non-empty output.
Runs a test program that generates a non-empty JSON output, and
tests that the JSON output is expected.
"""
self._TestJsonOutput(GTEST_PROGRAM_NAME, EXPECTED_NON_EMPTY, 1)
def testEmptyJsonOutput(self):
"""Verifies JSON output for a Google Test binary without actual tests.
Runs a test program that generates an empty JSON output, and
tests that the JSON output is expected.
"""
self._TestJsonOutput('gtest_no_test_unittest', EXPECTED_EMPTY, 0)
def testTimestampValue(self):
"""Checks whether the timestamp attribute in the JSON output is valid.
Runs a test program that generates an empty JSON output, and checks if
the timestamp attribute in the testsuites tag is valid.
"""
actual = self._GetJsonOutput('gtest_no_test_unittest', [], 0)
date_time_str = actual['timestamp']
# datetime.strptime() is only available in Python 2.5+ so we have to
# parse the expected datetime manually.
match = re.match(r'(\d+)-(\d\d)-(\d\d)T(\d\d):(\d\d):(\d\d)', date_time_str)
self.assertTrue(
re.match,
'JSON datettime string %s has incorrect format' % date_time_str)
date_time_from_json = datetime.datetime(
year=int(match.group(1)), month=int(match.group(2)),
day=int(match.group(3)), hour=int(match.group(4)),
minute=int(match.group(5)), second=int(match.group(6)))
time_delta = abs(datetime.datetime.now() - date_time_from_json)
# timestamp value should be near the current local time
self.assertTrue(time_delta < datetime.timedelta(seconds=600),
'time_delta is %s' % time_delta)
def testDefaultOutputFile(self):
"""Verifies the default output file name.
Confirms that Google Test produces an JSON output file with the expected
default name if no name is explicitly specified.
"""
output_file = os.path.join(gtest_test_utils.GetTempDir(),
GTEST_DEFAULT_OUTPUT_FILE)
gtest_prog_path = gtest_test_utils.GetTestExecutablePath(
'gtest_no_test_unittest')
try:
os.remove(output_file)
except OSError:
e = sys.exc_info()[1]
if e.errno != errno.ENOENT:
raise
p = gtest_test_utils.Subprocess(
[gtest_prog_path, '%s=json' % GTEST_OUTPUT_FLAG],
working_dir=gtest_test_utils.GetTempDir())
self.assert_(p.exited)
self.assertEquals(0, p.exit_code)
self.assert_(os.path.isfile(output_file))
def testSuppressedJsonOutput(self):
"""Verifies that no JSON output is generated.
Tests that no JSON file is generated if the default JSON listener is
shut down before RUN_ALL_TESTS is invoked.
"""
json_path = os.path.join(gtest_test_utils.GetTempDir(),
GTEST_PROGRAM_NAME + 'out.json')
if os.path.isfile(json_path):
os.remove(json_path)
command = [GTEST_PROGRAM_PATH,
'%s=json:%s' % (GTEST_OUTPUT_FLAG, json_path),
'--shut_down_xml']
p = gtest_test_utils.Subprocess(command)
if p.terminated_by_signal:
# p.signal is available only if p.terminated_by_signal is True.
self.assertFalse(
p.terminated_by_signal,
'%s was killed by signal %d' % (GTEST_PROGRAM_NAME, p.signal))
else:
self.assert_(p.exited)
self.assertEquals(1, p.exit_code,
"'%s' exited with code %s, which doesn't match "
'the expected exit code %s.'
% (command, p.exit_code, 1))
self.assert_(not os.path.isfile(json_path))
def testFilteredTestJsonOutput(self):
"""Verifies JSON output when a filter is applied.
Runs a test program that executes only some tests and verifies that
non-selected tests do not show up in the JSON output.
"""
self._TestJsonOutput(GTEST_PROGRAM_NAME, EXPECTED_FILTERED, 0,
extra_args=['%s=SuccessfulTest.*' % GTEST_FILTER_FLAG])
def _GetJsonOutput(self, gtest_prog_name, extra_args, expected_exit_code):
"""Returns the JSON output generated by running the program gtest_prog_name.
Furthermore, the program's exit code must be expected_exit_code.
Args:
gtest_prog_name: Google Test binary name.
extra_args: extra arguments to binary invocation.
expected_exit_code: program's exit code.
"""
json_path = os.path.join(gtest_test_utils.GetTempDir(),
gtest_prog_name + 'out.json')
gtest_prog_path = gtest_test_utils.GetTestExecutablePath(gtest_prog_name)
command = (
[gtest_prog_path, '%s=json:%s' % (GTEST_OUTPUT_FLAG, json_path)] +
extra_args
)
p = gtest_test_utils.Subprocess(command)
if p.terminated_by_signal:
self.assert_(False,
'%s was killed by signal %d' % (gtest_prog_name, p.signal))
else:
self.assert_(p.exited)
self.assertEquals(expected_exit_code, p.exit_code,
"'%s' exited with code %s, which doesn't match "
'the expected exit code %s.'
% (command, p.exit_code, expected_exit_code))
with open(json_path) as f:
actual = json.load(f)
return actual
def _TestJsonOutput(self, gtest_prog_name, expected,
expected_exit_code, extra_args=None):
"""Checks the JSON output generated by the Google Test binary.
Asserts that the JSON document generated by running the program
gtest_prog_name matches expected_json, a string containing another
JSON document. Furthermore, the program's exit code must be
expected_exit_code.
Args:
gtest_prog_name: Google Test binary name.
expected: expected output.
expected_exit_code: program's exit code.
extra_args: extra arguments to binary invocation.
"""
actual = self._GetJsonOutput(gtest_prog_name, extra_args or [],
expected_exit_code)
self.assertEqual(expected, gtest_json_test_utils.normalize(actual))
if __name__ == '__main__':
os.environ['GTEST_STACK_TRACE_DEPTH'] = '1'
gtest_test_utils.Main()

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# Copyright 2018, 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.
"""Unit test utilities for gtest_json_output."""
import re
def normalize(obj):
"""Normalize output object.
Args:
obj: Google Test's JSON output object to normalize.
Returns:
Normalized output without any references to transient information that may
change from run to run.
"""
def _normalize(key, value):
if key == 'time':
return re.sub(r'^\d+(\.\d+)?s$', u'*', value)
elif key == 'timestamp':
return re.sub(r'^\d{4}-\d\d-\d\dT\d\d:\d\d:\d\dZ$', '*', value)
elif key == 'failure':
value = re.sub(r'^.*[/\\](.*:)\d+\n', '\\1*\n', value)
return re.sub(r'Stack trace:\n(.|\n)*', 'Stack trace:\n*', value)
else:
return normalize(value)
if isinstance(obj, dict):
return {k: _normalize(k, v) for k, v in obj.items()}
if isinstance(obj, list):
return [normalize(x) for x in obj]
else:
return obj