# mypy: allow-untyped-defs
"""Report test results in JUnit-XML format, for use with Jenkins and build
integration servers.
Based on initial code from Ross Lawley.
Output conforms to
https://github.com/jenkinsci/xunit-plugin/blob/master/src/main/resources/org/jenkinsci/plugins/xunit/types/model/xsd/junit-10.xsd
"""
from __future__ import annotations
from collections.abc import Callable
import functools
import os
import platform
import re
import xml.etree.ElementTree as ET
from _pytest import nodes
from _pytest import timing
from _pytest._code.code import ExceptionRepr
from _pytest._code.code import ReprFileLocation
from _pytest.config import Config
from _pytest.config import filename_arg
from _pytest.config.argparsing import Parser
from _pytest.fixtures import FixtureRequest
from _pytest.reports import TestReport
from _pytest.stash import StashKey
from _pytest.terminal import TerminalReporter
import pytest
xml_key = StashKey["LogXML"]()
def bin_xml_escape(arg: object) -> str:
r"""Visually escape invalid XML characters.
For example, transforms
'hello\aworld\b'
into
'hello#x07world#x08'
Note that the #xABs are *not* XML escapes - missing the ampersand «.
The idea is to escape visually for the user rather than for XML itself.
"""
def repl(matchobj: re.Match[str]) -> str:
i = ord(matchobj.group())
if i <= 0xFF:
return f"#x{i:02X}"
else:
return f"#x{i:04X}"
# The spec range of valid chars is:
# Char ::= #x9 | #xA | #xD | [#x20-#xD7FF] | [#xE000-#xFFFD] | [#x10000-#x10FFFF]
# For an unknown(?) reason, we disallow #x7F (DEL) as well.
illegal_xml_re = (
"[^\u0009\u000a\u000d\u0020-\u007e\u0080-\ud7ff\ue000-\ufffd\u10000-\u10ffff]"
)
return re.sub(illegal_xml_re, repl, str(arg))
def merge_family(left, right) -> None:
result = {}
for kl, vl in left.items():
for kr, vr in right.items():
if not isinstance(vl, list):
raise TypeError(type(vl))
result[kl] = vl + vr
left.update(result)
families = { # pylint: disable=dict-init-mutate
"_base": {"testcase": ["classname", "name"]},
"_base_legacy": {"testcase": ["file", "line", "url"]},
}
# xUnit 1.x inherits legacy attributes.
families["xunit1"] = families["_base"].copy()
merge_family(families["xunit1"], families["_base_legacy"])
# xUnit 2.x uses strict base attributes.
families["xunit2"] = families["_base"]
class _NodeReporter:
def __init__(self, nodeid: str | TestReport, xml: LogXML) -> None:
self.id = nodeid
self.xml = xml
self.add_stats = self.xml.add_stats
self.family = self.xml.family
self.duration = 0.0
self.properties: list[tuple[str, str]] = []
self.nodes: list[ET.Element] = []
self.attrs: dict[str, str] = {}
def append(self, node: ET.Element) -> None:
self.xml.add_stats(node.tag)
self.nodes.append(node)
def add_property(self, name: str, value: object) -> None:
self.properties.append((str(name), bin_xml_escape(value)))
def add_attribute(self, name: str, value: object) -> None:
self.attrs[str(name)] = bin_xml_escape(value)
def make_properties_node(self) -> ET.Element | None:
"""Return a Junit node containing custom properties, if any."""
if self.properties:
properties = ET.Element("properties")
for name, value in self.properties:
properties.append(ET.Element("property", name=name, value=value))
return properties
return None
def record_testreport(self, testreport: TestReport) -> None:
names = mangle_test_address(testreport.nodeid)
existing_attrs = self.attrs
classnames = names[:-1]
if self.xml.prefix:
classnames.insert(0, self.xml.prefix)
attrs: dict[str, str] = {
"classname": ".".join(classnames),
"name": bin_xml_escape(names[-1]),
"file": testreport.location[0],
}
if testreport.location[1] is not None:
attrs["line"] = str(testreport.location[1])
if hasattr(testreport, "url"):
attrs["url"] = testreport.url
self.attrs = attrs
self.attrs.update(existing_attrs) # Restore any user-defined attributes.
# Preserve legacy testcase behavior.
if self.family == "xunit1":
return
# Filter out attributes not permitted by this test family.
# Including custom attributes because they are not valid here.
temp_attrs = {}
for key in self.attrs:
if key in families[self.family]["testcase"]:
temp_attrs[key] = self.attrs[key]
self.attrs = temp_attrs
def to_xml(self) -> ET.Element:
testcase = ET.Element("testcase", self.attrs, time=f"{self.duration:.3f}")
properties = self.make_properties_node()
if properties is not None:
testcase.append(properties)
testcase.extend(self.nodes)
return testcase
def _add_simple(self, tag: str, message: str, data: str | None = None) -> None:
node = ET.Element(tag, message=message)
node.text = bin_xml_escape(data)
self.append(node)
def write_captured_output(self, report: TestReport) -> None:
if not self.xml.log_passing_tests and report.passed:
return
content_out = report.capstdout
content_log = report.caplog
content_err = report.capstderr
if self.xml.logging == "no":
return
content_all = ""
if self.xml.logging in ["log", "all"]:
content_all = self._prepare_content(content_log, " Captured Log ")
if self.xml.logging in ["system-out", "out-err", "all"]:
content_all += self._prepare_content(content_out, " Captured Out ")
self._write_content(report, content_all, "system-out")
content_all = ""
if self.xml.logging in ["system-err", "out-err", "all"]:
content_all += self._prepare_content(content_err, " Captured Err ")
self._write_content(report, content_all, "system-err")
content_all = ""
if content_all:
self._write_content(report, content_all, "system-out")
def _prepare_content(self, content: str, header: str) -> str:
return "\n".join([header.center(80, "-"), content, ""])
def _write_content(self, report: TestReport, content: str, jheader: str) -> None:
tag = ET.Element(jheader)
tag.text = bin_xml_escape(content)
self.append(tag)
def append_pass(self, report: TestReport) -> None:
self.add_stats("passed")
def append_failure(self, report: TestReport) -> None:
# msg = str(report.longrepr.reprtraceback.extraline)
if hasattr(report, "wasxfail"):
self._add_simple("skipped", "xfail-marked test passes unexpectedly")
else:
assert report.longrepr is not None
reprcrash: ReprFileLocation | None = getattr(
report.longrepr, "reprcrash", None
)
if reprcrash is not None:
message = reprcrash.message
else:
message = str(report.longrepr)
message = bin_xml_escape(message)
self._add_simple("failure", message, str(report.longrepr))
def append_collect_error(self, report: TestReport) -> None:
# msg = str(report.longrepr.reprtraceback.extraline)
assert report.longrepr is not None
self._add_simple("error", "collection failure", str(report.longrepr))
def append_collect_skipped(self, report: TestReport) -> None:
self._add_simple("skipped", "collection skipped", str(report.longrepr))
def append_error(self, report: TestReport) -> None:
assert report.longrepr is not None
reprcrash: ReprFileLocation | None = getattr(report.longrepr, "reprcrash", None)
if reprcrash is not None:
reason = reprcrash.message
else:
reason = str(report.longrepr)
if report.when == "teardown":
msg = f'failed on teardown with "{reason}"'
else:
msg = f'failed on setup with "{reason}"'
self._add_simple("error", bin_xml_escape(msg), str(report.longrepr))
def append_skipped(self, report: TestReport) -> None:
if hasattr(report, "wasxfail"):
xfailreason = report.wasxfail
if xfailreason.startswith("reason: "):
xfailreason = xfailreason[8:]
xfailreason = bin_xml_escape(xfailreason)
skipped = ET.Element("skipped", type="pytest.xfail", message=xfailreason)
self.append(skipped)
else:
assert isinstance(report.longrepr, tuple)
filename, lineno, skipreason = report.longrepr
if skipreason.startswith("Skipped: "):
skipreason = skipreason[9:]
details = f"{filename}:{lineno}: {skipreason}"
skipped = ET.Element(
"skipped", type="pytest.skip", message=bin_xml_escape(skipreason)
)
skipped.text = bin_xml_escape(details)
self.append(skipped)
self.write_captured_output(report)
def finalize(self) -> None:
data = self.to_xml()
self.__dict__.clear()
# Type ignored because mypy doesn't like overriding a method.
# Also the return value doesn't match...
self.to_xml = lambda: data # type: ignore[method-assign]
def _warn_incompatibility_with_xunit2(
request: FixtureRequest, fixture_name: str
) -> None:
"""Emit a PytestWarning about the given fixture being incompatible with newer xunit revisions."""
from _pytest.warning_types import PytestWarning
xml = request.config.stash.get(xml_key, None)
if xml is not None and xml.family not in ("xunit1", "legacy"):
request.node.warn(
PytestWarning(
f"{fixture_name} is incompatible with junit_family '{xml.family}' (use 'legacy' or 'xunit1')"
)
)
[docs]
@pytest.fixture
def record_property(request: FixtureRequest) -> Callable[[str, object], None]:
"""Add extra properties to the calling test.
User properties become part of the test report and are available to the
configured reporters, like JUnit XML.
The fixture is callable with ``name, value``. The value is automatically
XML-encoded.
Example::
def test_function(record_property):
record_property("example_key", 1)
"""
_warn_incompatibility_with_xunit2(request, "record_property")
def append_property(name: str, value: object) -> None:
request.node.user_properties.append((name, value))
return append_property
@pytest.fixture
def record_xml_attribute(request: FixtureRequest) -> Callable[[str, object], None]:
"""Add extra xml attributes to the tag for the calling test.
The fixture is callable with ``name, value``. The value is
automatically XML-encoded.
"""
from _pytest.warning_types import PytestExperimentalApiWarning
request.node.warn(
PytestExperimentalApiWarning("record_xml_attribute is an experimental feature")
)
_warn_incompatibility_with_xunit2(request, "record_xml_attribute")
# Declare noop
def add_attr_noop(name: str, value: object) -> None:
pass
attr_func = add_attr_noop
xml = request.config.stash.get(xml_key, None)
if xml is not None:
node_reporter = xml.node_reporter(request.node.nodeid)
attr_func = node_reporter.add_attribute
return attr_func
def _check_record_param_type(param: str, v: str) -> None:
"""Used by record_testsuite_property to check that the given parameter name is of the proper
type."""
__tracebackhide__ = True
if not isinstance(v, str):
msg = "{param} parameter needs to be a string, but {g} given" # type: ignore[unreachable]
raise TypeError(msg.format(param=param, g=type(v).__name__))
[docs]
@pytest.fixture(scope="session")
def record_testsuite_property(request: FixtureRequest) -> Callable[[str, object], None]:
"""Record a new ``<property>`` tag as child of the root ``<testsuite>``.
This is suitable to writing global information regarding the entire test
suite, and is compatible with ``xunit2`` JUnit family.
This is a ``session``-scoped fixture which is called with ``(name, value)``. Example:
.. code-block:: python
def test_foo(record_testsuite_property):
record_testsuite_property("ARCH", "PPC")
record_testsuite_property("STORAGE_TYPE", "CEPH")
:param name:
The property name.
:param value:
The property value. Will be converted to a string.
.. warning::
Currently this fixture **does not work** with the
`pytest-xdist <https://github.com/pytest-dev/pytest-xdist>`__ plugin. See
:issue:`7767` for details.
"""
__tracebackhide__ = True
def record_func(name: str, value: object) -> None:
"""No-op function in case --junit-xml was not passed in the command-line."""
__tracebackhide__ = True
_check_record_param_type("name", name)
xml = request.config.stash.get(xml_key, None)
if xml is not None:
record_func = xml.add_global_property
return record_func
def pytest_addoption(parser: Parser) -> None:
group = parser.getgroup("terminal reporting")
group.addoption(
"--junitxml",
"--junit-xml",
action="store",
dest="xmlpath",
metavar="path",
type=functools.partial(filename_arg, optname="--junitxml"),
default=None,
help="Create junit-xml style report file at given path",
)
group.addoption(
"--junitprefix",
"--junit-prefix",
action="store",
metavar="str",
default=None,
help="Prepend prefix to classnames in junit-xml output",
)
parser.addini(
"junit_suite_name", "Test suite name for JUnit report", default="pytest"
)
parser.addini(
"junit_logging",
"Write captured log messages to JUnit report: "
"one of no|log|system-out|system-err|out-err|all",
default="no",
)
parser.addini(
"junit_log_passing_tests",
"Capture log information for passing tests to JUnit report: ",
type="bool",
default=True,
)
parser.addini(
"junit_duration_report",
"Duration time to report: one of total|call",
default="total",
) # choices=['total', 'call'])
parser.addini(
"junit_family",
"Emit XML for schema: one of legacy|xunit1|xunit2",
default="xunit2",
)
def pytest_configure(config: Config) -> None:
xmlpath = config.option.xmlpath
# Prevent opening xmllog on worker nodes (xdist).
if xmlpath and not hasattr(config, "workerinput"):
junit_family = config.getini("junit_family")
config.stash[xml_key] = LogXML(
xmlpath,
config.option.junitprefix,
config.getini("junit_suite_name"),
config.getini("junit_logging"),
config.getini("junit_duration_report"),
junit_family,
config.getini("junit_log_passing_tests"),
)
config.pluginmanager.register(config.stash[xml_key])
def pytest_unconfigure(config: Config) -> None:
xml = config.stash.get(xml_key, None)
if xml:
del config.stash[xml_key]
config.pluginmanager.unregister(xml)
def mangle_test_address(address: str) -> list[str]:
path, possible_open_bracket, params = address.partition("[")
names = path.split("::")
# Convert file path to dotted path.
names[0] = names[0].replace(nodes.SEP, ".")
names[0] = re.sub(r"\.py$", "", names[0])
# Put any params back.
names[-1] += possible_open_bracket + params
return names
class LogXML:
def __init__(
self,
logfile,
prefix: str | None,
suite_name: str = "pytest",
logging: str = "no",
report_duration: str = "total",
family="xunit1",
log_passing_tests: bool = True,
) -> None:
logfile = os.path.expanduser(os.path.expandvars(logfile))
self.logfile = os.path.normpath(os.path.abspath(logfile))
self.prefix = prefix
self.suite_name = suite_name
self.logging = logging
self.log_passing_tests = log_passing_tests
self.report_duration = report_duration
self.family = family
self.stats: dict[str, int] = dict.fromkeys(
["error", "passed", "failure", "skipped"], 0
)
self.node_reporters: dict[tuple[str | TestReport, object], _NodeReporter] = {}
self.node_reporters_ordered: list[_NodeReporter] = []
self.global_properties: list[tuple[str, str]] = []
# List of reports that failed on call but teardown is pending.
self.open_reports: list[TestReport] = []
self.cnt_double_fail_tests = 0
# Replaces convenience family with real family.
if self.family == "legacy":
self.family = "xunit1"
def finalize(self, report: TestReport) -> None:
nodeid = getattr(report, "nodeid", report)
# Local hack to handle xdist report order.
workernode = getattr(report, "node", None)
reporter = self.node_reporters.pop((nodeid, workernode))
for propname, propvalue in report.user_properties:
reporter.add_property(propname, str(propvalue))
if reporter is not None:
reporter.finalize()
def node_reporter(self, report: TestReport | str) -> _NodeReporter:
nodeid: str | TestReport = getattr(report, "nodeid", report)
# Local hack to handle xdist report order.
workernode = getattr(report, "node", None)
key = nodeid, workernode
if key in self.node_reporters:
# TODO: breaks for --dist=each
return self.node_reporters[key]
reporter = _NodeReporter(nodeid, self)
self.node_reporters[key] = reporter
self.node_reporters_ordered.append(reporter)
return reporter
def add_stats(self, key: str) -> None:
if key in self.stats:
self.stats[key] += 1
def _opentestcase(self, report: TestReport) -> _NodeReporter:
reporter = self.node_reporter(report)
reporter.record_testreport(report)
return reporter
def pytest_runtest_logreport(self, report: TestReport) -> None:
"""Handle a setup/call/teardown report, generating the appropriate
XML tags as necessary.
Note: due to plugins like xdist, this hook may be called in interlaced
order with reports from other nodes. For example:
Usual call order:
-> setup node1
-> call node1
-> teardown node1
-> setup node2
-> call node2
-> teardown node2
Possible call order in xdist:
-> setup node1
-> call node1
-> setup node2
-> call node2
-> teardown node2
-> teardown node1
"""
close_report = None
if report.passed:
if report.when == "call": # ignore setup/teardown
reporter = self._opentestcase(report)
reporter.append_pass(report)
elif report.failed:
if report.when == "teardown":
# The following vars are needed when xdist plugin is used.
report_wid = getattr(report, "worker_id", None)
report_ii = getattr(report, "item_index", None)
close_report = next(
(
rep
for rep in self.open_reports
if (
rep.nodeid == report.nodeid
and getattr(rep, "item_index", None) == report_ii
and getattr(rep, "worker_id", None) == report_wid
)
),
None,
)
if close_report:
# We need to open new testcase in case we have failure in
# call and error in teardown in order to follow junit
# schema.
self.finalize(close_report)
self.cnt_double_fail_tests += 1
reporter = self._opentestcase(report)
if report.when == "call":
reporter.append_failure(report)
self.open_reports.append(report)
if not self.log_passing_tests:
reporter.write_captured_output(report)
else:
reporter.append_error(report)
elif report.skipped:
reporter = self._opentestcase(report)
reporter.append_skipped(report)
self.update_testcase_duration(report)
if report.when == "teardown":
reporter = self._opentestcase(report)
reporter.write_captured_output(report)
self.finalize(report)
report_wid = getattr(report, "worker_id", None)
report_ii = getattr(report, "item_index", None)
close_report = next(
(
rep
for rep in self.open_reports
if (
rep.nodeid == report.nodeid
and getattr(rep, "item_index", None) == report_ii
and getattr(rep, "worker_id", None) == report_wid
)
),
None,
)
if close_report:
self.open_reports.remove(close_report)
def update_testcase_duration(self, report: TestReport) -> None:
"""Accumulate total duration for nodeid from given report and update
the Junit.testcase with the new total if already created."""
if self.report_duration in {"total", report.when}:
reporter = self.node_reporter(report)
reporter.duration += getattr(report, "duration", 0.0)
def pytest_collectreport(self, report: TestReport) -> None:
if not report.passed:
reporter = self._opentestcase(report)
if report.failed:
reporter.append_collect_error(report)
else:
reporter.append_collect_skipped(report)
def pytest_internalerror(self, excrepr: ExceptionRepr) -> None:
reporter = self.node_reporter("internal")
reporter.attrs.update(classname="pytest", name="internal")
reporter._add_simple("error", "internal error", str(excrepr))
def pytest_sessionstart(self) -> None:
self.suite_start = timing.Instant()
def pytest_sessionfinish(self) -> None:
dirname = os.path.dirname(os.path.abspath(self.logfile))
# exist_ok avoids filesystem race conditions between checking path existence and requesting creation
os.makedirs(dirname, exist_ok=True)
with open(self.logfile, "w", encoding="utf-8") as logfile:
duration = self.suite_start.elapsed()
numtests = (
self.stats["passed"]
+ self.stats["failure"]
+ self.stats["skipped"]
+ self.stats["error"]
- self.cnt_double_fail_tests
)
logfile.write('<?xml version="1.0" encoding="utf-8"?>')
suite_node = ET.Element(
"testsuite",
name=self.suite_name,
errors=str(self.stats["error"]),
failures=str(self.stats["failure"]),
skipped=str(self.stats["skipped"]),
tests=str(numtests),
time=f"{duration.seconds:.3f}",
timestamp=self.suite_start.as_utc().astimezone().isoformat(),
hostname=platform.node(),
)
global_properties = self._get_global_properties_node()
if global_properties is not None:
suite_node.append(global_properties)
for node_reporter in self.node_reporters_ordered:
suite_node.append(node_reporter.to_xml())
testsuites = ET.Element("testsuites")
testsuites.set("name", "pytest tests")
testsuites.append(suite_node)
logfile.write(ET.tostring(testsuites, encoding="unicode"))
def pytest_terminal_summary(self, terminalreporter: TerminalReporter) -> None:
terminalreporter.write_sep("-", f"generated xml file: {self.logfile}")
def add_global_property(self, name: str, value: object) -> None:
__tracebackhide__ = True
_check_record_param_type("name", name)
self.global_properties.append((name, bin_xml_escape(value)))
def _get_global_properties_node(self) -> ET.Element | None:
"""Return a Junit node containing custom properties, if any."""
if self.global_properties:
properties = ET.Element("properties")
for name, value in self.global_properties:
properties.append(ET.Element("property", name=name, value=value))
return properties
return None
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