ansible/test/lib/ansible_test/_internal/test.py
2020-06-12 00:47:07 -07:00

524 lines
15 KiB
Python

"""Classes for storing and processing test results."""
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
import datetime
import re
from . import types as t
from .util import (
display,
get_ansible_version,
)
from .util_common import (
write_text_test_results,
write_json_test_results,
ResultType,
)
from .config import (
TestConfig,
)
def calculate_best_confidence(choices, metadata):
"""
:type choices: tuple[tuple[str, int]]
:type metadata: Metadata
:rtype: int
"""
best_confidence = 0
for path, line in choices:
confidence = calculate_confidence(path, line, metadata)
best_confidence = max(confidence, best_confidence)
return best_confidence
def calculate_confidence(path, line, metadata):
"""
:type path: str
:type line: int
:type metadata: Metadata
:rtype: int
"""
ranges = metadata.changes.get(path)
# no changes were made to the file
if not ranges:
return 0
# changes were made to the same file and line
if any(r[0] <= line <= r[1] in r for r in ranges):
return 100
# changes were made to the same file and the line number is unknown
if line == 0:
return 75
# changes were made to the same file and the line number is different
return 50
class TestResult:
"""Base class for test results."""
def __init__(self, command, test, python_version=None):
"""
:type command: str
:type test: str
:type python_version: str
"""
self.command = command
self.test = test
self.python_version = python_version
self.name = self.test or self.command
if self.python_version:
self.name += '-python-%s' % self.python_version
try:
import junit_xml
except ImportError:
junit_xml = None
self.junit = junit_xml
def write(self, args):
"""
:type args: TestConfig
"""
self.write_console()
self.write_bot(args)
if args.lint:
self.write_lint()
if args.junit:
if self.junit:
self.write_junit(args)
else:
display.warning('Skipping junit xml output because the `junit-xml` python package was not found.', unique=True)
def write_console(self):
"""Write results to console."""
def write_lint(self):
"""Write lint results to stdout."""
def write_bot(self, args):
"""
:type args: TestConfig
"""
def write_junit(self, args):
"""
:type args: TestConfig
"""
def create_result_name(self, extension):
"""
:type extension: str
:rtype: str
"""
name = 'ansible-test-%s' % self.command
if self.test:
name += '-%s' % self.test
if self.python_version:
name += '-python-%s' % self.python_version
name += extension
return name
def save_junit(self, args, test_case, properties=None):
"""
:type args: TestConfig
:type test_case: junit_xml.TestCase
:type properties: dict[str, str] | None
:rtype: str | None
"""
test_suites = [
self.junit.TestSuite(
name='ansible-test',
test_cases=[test_case],
timestamp=datetime.datetime.utcnow().replace(microsecond=0).isoformat(),
properties=properties,
),
]
# the junit_xml API is changing in version 2.0.0
# TestSuite.to_xml_string is being replaced with to_xml_report_string
# see: https://github.com/kyrus/python-junit-xml/blob/63db26da353790500642fd02cae1543eb41aab8b/junit_xml/__init__.py#L249-L261
try:
to_xml_string = self.junit.to_xml_report_string
except AttributeError:
to_xml_string = self.junit.TestSuite.to_xml_string
report = to_xml_string(test_suites=test_suites, prettyprint=True, encoding='utf-8')
if args.explain:
return
write_text_test_results(ResultType.JUNIT, self.create_result_name('.xml'), report)
class TestTimeout(TestResult):
"""Test timeout."""
def __init__(self, timeout_duration):
"""
:type timeout_duration: int
"""
super(TestTimeout, self).__init__(command='timeout', test='')
self.timeout_duration = timeout_duration
def write(self, args):
"""
:type args: TestConfig
"""
message = 'Tests were aborted after exceeding the %d minute time limit.' % self.timeout_duration
# Include a leading newline to improve readability on Shippable "Tests" tab.
# Without this, the first line becomes indented.
output = '''
One or more of the following situations may be responsible:
- Code changes have resulted in tests that hang or run for an excessive amount of time.
- Tests have been added which exceed the time limit when combined with existing tests.
- Test infrastructure and/or external dependencies are operating slower than normal.'''
if args.coverage:
output += '\n- Additional overhead from collecting code coverage has resulted in tests exceeding the time limit.'
output += '\n\nConsult the console log for additional details on where the timeout occurred.'
timestamp = datetime.datetime.utcnow().replace(microsecond=0).isoformat()
# hack to avoid requiring junit-xml, which may not be pre-installed outside our test containers
xml = '''
<?xml version="1.0" encoding="utf-8"?>
<testsuites disabled="0" errors="1" failures="0" tests="1" time="0.0">
\t<testsuite disabled="0" errors="1" failures="0" file="None" log="None" name="ansible-test" skipped="0" tests="1" time="0" timestamp="%s" url="None">
\t\t<testcase classname="timeout" name="timeout">
\t\t\t<error message="%s" type="error">%s</error>
\t\t</testcase>
\t</testsuite>
</testsuites>
''' % (timestamp, message, output)
write_text_test_results(ResultType.JUNIT, self.create_result_name('.xml'), xml.lstrip())
class TestSuccess(TestResult):
"""Test success."""
def write_junit(self, args):
"""
:type args: TestConfig
"""
test_case = self.junit.TestCase(classname=self.command, name=self.name)
self.save_junit(args, test_case)
class TestSkipped(TestResult):
"""Test skipped."""
def write_console(self):
"""Write results to console."""
display.info('No tests applicable.', verbosity=1)
def write_junit(self, args):
"""
:type args: TestConfig
"""
test_case = self.junit.TestCase(classname=self.command, name=self.name)
test_case.add_skipped_info('No tests applicable.')
self.save_junit(args, test_case)
class TestFailure(TestResult):
"""Test failure."""
def __init__(self, command, test, python_version=None, messages=None, summary=None):
"""
:type command: str
:type test: str
:type python_version: str | None
:type messages: list[TestMessage] | None
:type summary: unicode | None
"""
super(TestFailure, self).__init__(command, test, python_version)
if messages:
messages = sorted(messages)
else:
messages = []
self.messages = messages
self.summary = summary
def write(self, args):
"""
:type args: TestConfig
"""
if args.metadata.changes:
self.populate_confidence(args.metadata)
super(TestFailure, self).write(args)
def write_console(self):
"""Write results to console."""
if self.summary:
display.error(self.summary)
else:
if self.python_version:
specifier = ' on python %s' % self.python_version
else:
specifier = ''
display.error('Found %d %s issue(s)%s which need to be resolved:' % (len(self.messages), self.test or self.command, specifier))
for message in self.messages:
display.error(message.format(show_confidence=True))
doc_url = self.find_docs()
if doc_url:
display.info('See documentation for help: %s' % doc_url)
def write_lint(self):
"""Write lint results to stdout."""
if self.summary:
command = self.format_command()
message = 'The test `%s` failed. See stderr output for details.' % command
path = ''
message = TestMessage(message, path)
print(message)
else:
for message in self.messages:
print(message)
def write_junit(self, args):
"""
:type args: TestConfig
"""
title = self.format_title()
output = self.format_block()
test_case = self.junit.TestCase(classname=self.command, name=self.name)
# Include a leading newline to improve readability on Shippable "Tests" tab.
# Without this, the first line becomes indented.
test_case.add_failure_info(message=title, output='\n%s' % output)
self.save_junit(args, test_case)
def write_bot(self, args):
"""
:type args: TestConfig
"""
docs = self.find_docs()
message = self.format_title(help_link=docs)
output = self.format_block()
if self.messages:
verified = all((m.confidence or 0) >= 50 for m in self.messages)
else:
verified = False
bot_data = dict(
verified=verified,
docs=docs,
results=[
dict(
message=message,
output=output,
),
],
)
if args.explain:
return
write_json_test_results(ResultType.BOT, self.create_result_name('.json'), bot_data)
def populate_confidence(self, metadata):
"""
:type metadata: Metadata
"""
for message in self.messages:
if message.confidence is None:
message.confidence = calculate_confidence(message.path, message.line, metadata)
def format_command(self):
"""
:rtype: str
"""
command = 'ansible-test %s' % self.command
if self.test:
command += ' --test %s' % self.test
if self.python_version:
command += ' --python %s' % self.python_version
return command
def find_docs(self):
"""
:rtype: str
"""
if self.command != 'sanity':
return None # only sanity tests have docs links
# Use the major.minor version for the URL only if this a release that
# matches the pattern 2.4.0, otherwise, use 'devel'
ansible_version = get_ansible_version()
url_version = 'devel'
if re.search(r'^[0-9.]+$', ansible_version):
url_version = '.'.join(ansible_version.split('.')[:2])
testing_docs_url = 'https://docs.ansible.com/ansible/%s/dev_guide/testing' % url_version
url = '%s/%s/' % (testing_docs_url, self.command)
if self.test:
url += '%s.html' % self.test
return url
def format_title(self, help_link=None):
"""
:type help_link: str | None
:rtype: str
"""
command = self.format_command()
if self.summary:
reason = 'the error'
else:
reason = '1 error' if len(self.messages) == 1 else '%d errors' % len(self.messages)
if help_link:
help_link_markup = ' [[explain](%s)]' % help_link
else:
help_link_markup = ''
title = 'The test `%s`%s failed with %s:' % (command, help_link_markup, reason)
return title
def format_block(self):
"""
:rtype: str
"""
if self.summary:
block = self.summary
else:
block = '\n'.join(m.format() for m in self.messages)
message = block.strip()
# Hack to remove ANSI color reset code from SubprocessError messages.
message = message.replace(display.clear, '')
return message
class TestMessage:
"""Single test message for one file."""
def __init__(self, message, path, line=0, column=0, level='error', code=None, confidence=None):
"""
:type message: str
:type path: str
:type line: int
:type column: int
:type level: str
:type code: str | None
:type confidence: int | None
"""
self.__path = path
self.__line = line
self.__column = column
self.__level = level
self.__code = code
self.__message = message
self.confidence = confidence
@property
def path(self): # type: () -> str
"""Return the path."""
return self.__path
@property
def line(self): # type: () -> int
"""Return the line number, or 0 if none is available."""
return self.__line
@property
def column(self): # type: () -> int
"""Return the column number, or 0 if none is available."""
return self.__column
@property
def level(self): # type: () -> str
"""Return the level."""
return self.__level
@property
def code(self): # type: () -> t.Optional[str]
"""Return the code, if any."""
return self.__code
@property
def message(self): # type: () -> str
"""Return the message."""
return self.__message
@property
def tuple(self): # type: () -> t.Tuple[str, int, int, str, t.Optional[str], str]
"""Return a tuple with all the immutable values of this test message."""
return self.__path, self.__line, self.__column, self.__level, self.__code, self.__message
def __lt__(self, other):
return self.tuple < other.tuple
def __le__(self, other):
return self.tuple <= other.tuple
def __eq__(self, other):
return self.tuple == other.tuple
def __ne__(self, other):
return self.tuple != other.tuple
def __gt__(self, other):
return self.tuple > other.tuple
def __ge__(self, other):
return self.tuple >= other.tuple
def __hash__(self):
return hash(self.tuple)
def __str__(self):
return self.format()
def format(self, show_confidence=False):
"""
:type show_confidence: bool
:rtype: str
"""
if self.__code:
msg = '%s: %s' % (self.__code, self.__message)
else:
msg = self.__message
if show_confidence and self.confidence is not None:
msg += ' (%d%%)' % self.confidence
return '%s:%s:%s: %s' % (self.__path, self.__line, self.__column, msg)