700 lines
25 KiB
Python
700 lines
25 KiB
Python
"""Report test results in JUnit-XML format, for use with Jenkins and build
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integration servers.
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Based on initial code from Ross Lawley.
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Output conforms to
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https://github.com/jenkinsci/xunit-plugin/blob/master/src/main/resources/org/jenkinsci/plugins/xunit/types/model/xsd/junit-10.xsd
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"""
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import functools
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import os
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import platform
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import re
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import xml.etree.ElementTree as ET
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from datetime import datetime
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from typing import Callable
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from typing import Dict
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from typing import List
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from typing import Match
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from typing import Optional
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from typing import Tuple
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from typing import Union
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import pytest
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from _pytest import nodes
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from _pytest import timing
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from _pytest._code.code import ExceptionRepr
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from _pytest._code.code import ReprFileLocation
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from _pytest.config import Config
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from _pytest.config import filename_arg
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from _pytest.config.argparsing import Parser
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from _pytest.fixtures import FixtureRequest
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from _pytest.reports import TestReport
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from _pytest.stash import StashKey
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from _pytest.terminal import TerminalReporter
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xml_key = StashKey["LogXML"]()
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def bin_xml_escape(arg: object) -> str:
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r"""Visually escape invalid XML characters.
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For example, transforms
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'hello\aworld\b'
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into
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'hello#x07world#x08'
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Note that the #xABs are *not* XML escapes - missing the ampersand «.
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The idea is to escape visually for the user rather than for XML itself.
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"""
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def repl(matchobj: Match[str]) -> str:
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i = ord(matchobj.group())
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if i <= 0xFF:
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return "#x%02X" % i
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else:
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return "#x%04X" % i
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# The spec range of valid chars is:
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# Char ::= #x9 | #xA | #xD | [#x20-#xD7FF] | [#xE000-#xFFFD] | [#x10000-#x10FFFF]
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# For an unknown(?) reason, we disallow #x7F (DEL) as well.
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illegal_xml_re = (
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"[^\u0009\u000A\u000D\u0020-\u007E\u0080-\uD7FF\uE000-\uFFFD\u10000-\u10FFFF]"
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)
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return re.sub(illegal_xml_re, repl, str(arg))
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def merge_family(left, right) -> None:
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result = {}
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for kl, vl in left.items():
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for kr, vr in right.items():
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if not isinstance(vl, list):
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raise TypeError(type(vl))
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result[kl] = vl + vr
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left.update(result)
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families = {}
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families["_base"] = {"testcase": ["classname", "name"]}
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families["_base_legacy"] = {"testcase": ["file", "line", "url"]}
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# xUnit 1.x inherits legacy attributes.
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families["xunit1"] = families["_base"].copy()
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merge_family(families["xunit1"], families["_base_legacy"])
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# xUnit 2.x uses strict base attributes.
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families["xunit2"] = families["_base"]
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class _NodeReporter:
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def __init__(self, nodeid: Union[str, TestReport], xml: "LogXML") -> None:
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self.id = nodeid
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self.xml = xml
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self.add_stats = self.xml.add_stats
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self.family = self.xml.family
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self.duration = 0.0
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self.properties: List[Tuple[str, str]] = []
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self.nodes: List[ET.Element] = []
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self.attrs: Dict[str, str] = {}
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def append(self, node: ET.Element) -> None:
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self.xml.add_stats(node.tag)
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self.nodes.append(node)
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def add_property(self, name: str, value: object) -> None:
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self.properties.append((str(name), bin_xml_escape(value)))
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def add_attribute(self, name: str, value: object) -> None:
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self.attrs[str(name)] = bin_xml_escape(value)
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def make_properties_node(self) -> Optional[ET.Element]:
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"""Return a Junit node containing custom properties, if any."""
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if self.properties:
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properties = ET.Element("properties")
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for name, value in self.properties:
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properties.append(ET.Element("property", name=name, value=value))
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return properties
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return None
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def record_testreport(self, testreport: TestReport) -> None:
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names = mangle_test_address(testreport.nodeid)
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existing_attrs = self.attrs
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classnames = names[:-1]
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if self.xml.prefix:
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classnames.insert(0, self.xml.prefix)
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attrs: Dict[str, str] = {
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"classname": ".".join(classnames),
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"name": bin_xml_escape(names[-1]),
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"file": testreport.location[0],
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}
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if testreport.location[1] is not None:
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attrs["line"] = str(testreport.location[1])
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if hasattr(testreport, "url"):
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attrs["url"] = testreport.url
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self.attrs = attrs
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self.attrs.update(existing_attrs) # Restore any user-defined attributes.
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# Preserve legacy testcase behavior.
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if self.family == "xunit1":
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return
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# Filter out attributes not permitted by this test family.
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# Including custom attributes because they are not valid here.
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temp_attrs = {}
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for key in self.attrs.keys():
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if key in families[self.family]["testcase"]:
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temp_attrs[key] = self.attrs[key]
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self.attrs = temp_attrs
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def to_xml(self) -> ET.Element:
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testcase = ET.Element("testcase", self.attrs, time="%.3f" % self.duration)
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properties = self.make_properties_node()
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if properties is not None:
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testcase.append(properties)
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testcase.extend(self.nodes)
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return testcase
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def _add_simple(self, tag: str, message: str, data: Optional[str] = None) -> None:
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node = ET.Element(tag, message=message)
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node.text = bin_xml_escape(data)
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self.append(node)
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def write_captured_output(self, report: TestReport) -> None:
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if not self.xml.log_passing_tests and report.passed:
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return
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content_out = report.capstdout
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content_log = report.caplog
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content_err = report.capstderr
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if self.xml.logging == "no":
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return
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content_all = ""
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if self.xml.logging in ["log", "all"]:
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content_all = self._prepare_content(content_log, " Captured Log ")
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if self.xml.logging in ["system-out", "out-err", "all"]:
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content_all += self._prepare_content(content_out, " Captured Out ")
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self._write_content(report, content_all, "system-out")
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content_all = ""
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if self.xml.logging in ["system-err", "out-err", "all"]:
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content_all += self._prepare_content(content_err, " Captured Err ")
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self._write_content(report, content_all, "system-err")
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content_all = ""
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if content_all:
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self._write_content(report, content_all, "system-out")
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def _prepare_content(self, content: str, header: str) -> str:
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return "\n".join([header.center(80, "-"), content, ""])
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def _write_content(self, report: TestReport, content: str, jheader: str) -> None:
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tag = ET.Element(jheader)
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tag.text = bin_xml_escape(content)
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self.append(tag)
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def append_pass(self, report: TestReport) -> None:
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self.add_stats("passed")
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def append_failure(self, report: TestReport) -> None:
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# msg = str(report.longrepr.reprtraceback.extraline)
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if hasattr(report, "wasxfail"):
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self._add_simple("skipped", "xfail-marked test passes unexpectedly")
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else:
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assert report.longrepr is not None
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reprcrash: Optional[ReprFileLocation] = getattr(
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report.longrepr, "reprcrash", None
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)
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if reprcrash is not None:
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message = reprcrash.message
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else:
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message = str(report.longrepr)
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message = bin_xml_escape(message)
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self._add_simple("failure", message, str(report.longrepr))
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def append_collect_error(self, report: TestReport) -> None:
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# msg = str(report.longrepr.reprtraceback.extraline)
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assert report.longrepr is not None
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self._add_simple("error", "collection failure", str(report.longrepr))
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def append_collect_skipped(self, report: TestReport) -> None:
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self._add_simple("skipped", "collection skipped", str(report.longrepr))
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def append_error(self, report: TestReport) -> None:
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assert report.longrepr is not None
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reprcrash: Optional[ReprFileLocation] = getattr(
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report.longrepr, "reprcrash", None
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)
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if reprcrash is not None:
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reason = reprcrash.message
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else:
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reason = str(report.longrepr)
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if report.when == "teardown":
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msg = f'failed on teardown with "{reason}"'
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else:
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msg = f'failed on setup with "{reason}"'
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self._add_simple("error", bin_xml_escape(msg), str(report.longrepr))
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def append_skipped(self, report: TestReport) -> None:
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if hasattr(report, "wasxfail"):
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xfailreason = report.wasxfail
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if xfailreason.startswith("reason: "):
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xfailreason = xfailreason[8:]
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xfailreason = bin_xml_escape(xfailreason)
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skipped = ET.Element("skipped", type="pytest.xfail", message=xfailreason)
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self.append(skipped)
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else:
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assert isinstance(report.longrepr, tuple)
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filename, lineno, skipreason = report.longrepr
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if skipreason.startswith("Skipped: "):
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skipreason = skipreason[9:]
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details = f"{filename}:{lineno}: {skipreason}"
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skipped = ET.Element("skipped", type="pytest.skip", message=skipreason)
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skipped.text = bin_xml_escape(details)
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self.append(skipped)
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self.write_captured_output(report)
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def finalize(self) -> None:
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data = self.to_xml()
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self.__dict__.clear()
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# Type ignored because mypy doesn't like overriding a method.
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# Also the return value doesn't match...
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self.to_xml = lambda: data # type: ignore[assignment]
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def _warn_incompatibility_with_xunit2(
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request: FixtureRequest, fixture_name: str
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) -> None:
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"""Emit a PytestWarning about the given fixture being incompatible with newer xunit revisions."""
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from _pytest.warning_types import PytestWarning
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xml = request.config.stash.get(xml_key, None)
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if xml is not None and xml.family not in ("xunit1", "legacy"):
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request.node.warn(
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PytestWarning(
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"{fixture_name} is incompatible with junit_family '{family}' (use 'legacy' or 'xunit1')".format(
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fixture_name=fixture_name, family=xml.family
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)
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)
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)
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@pytest.fixture
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def record_property(request: FixtureRequest) -> Callable[[str, object], None]:
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"""Add extra properties to the calling test.
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User properties become part of the test report and are available to the
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configured reporters, like JUnit XML.
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The fixture is callable with ``name, value``. The value is automatically
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XML-encoded.
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Example::
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def test_function(record_property):
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record_property("example_key", 1)
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"""
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_warn_incompatibility_with_xunit2(request, "record_property")
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def append_property(name: str, value: object) -> None:
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request.node.user_properties.append((name, value))
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return append_property
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@pytest.fixture
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def record_xml_attribute(request: FixtureRequest) -> Callable[[str, object], None]:
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"""Add extra xml attributes to the tag for the calling test.
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The fixture is callable with ``name, value``. The value is
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automatically XML-encoded.
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"""
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from _pytest.warning_types import PytestExperimentalApiWarning
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request.node.warn(
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PytestExperimentalApiWarning("record_xml_attribute is an experimental feature")
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)
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_warn_incompatibility_with_xunit2(request, "record_xml_attribute")
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# Declare noop
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def add_attr_noop(name: str, value: object) -> None:
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pass
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attr_func = add_attr_noop
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xml = request.config.stash.get(xml_key, None)
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if xml is not None:
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node_reporter = xml.node_reporter(request.node.nodeid)
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attr_func = node_reporter.add_attribute
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return attr_func
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def _check_record_param_type(param: str, v: str) -> None:
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"""Used by record_testsuite_property to check that the given parameter name is of the proper
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type."""
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__tracebackhide__ = True
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if not isinstance(v, str):
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msg = "{param} parameter needs to be a string, but {g} given" # type: ignore[unreachable]
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raise TypeError(msg.format(param=param, g=type(v).__name__))
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@pytest.fixture(scope="session")
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def record_testsuite_property(request: FixtureRequest) -> Callable[[str, object], None]:
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"""Record a new ``<property>`` tag as child of the root ``<testsuite>``.
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This is suitable to writing global information regarding the entire test
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suite, and is compatible with ``xunit2`` JUnit family.
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This is a ``session``-scoped fixture which is called with ``(name, value)``. Example:
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.. code-block:: python
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def test_foo(record_testsuite_property):
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record_testsuite_property("ARCH", "PPC")
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record_testsuite_property("STORAGE_TYPE", "CEPH")
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:param name:
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The property name.
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:param value:
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The property value. Will be converted to a string.
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.. warning::
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Currently this fixture **does not work** with the
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`pytest-xdist <https://github.com/pytest-dev/pytest-xdist>`__ plugin. See
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:issue:`7767` for details.
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"""
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__tracebackhide__ = True
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def record_func(name: str, value: object) -> None:
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"""No-op function in case --junitxml was not passed in the command-line."""
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__tracebackhide__ = True
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_check_record_param_type("name", name)
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xml = request.config.stash.get(xml_key, None)
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if xml is not None:
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record_func = xml.add_global_property # noqa
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return record_func
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def pytest_addoption(parser: Parser) -> None:
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group = parser.getgroup("terminal reporting")
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group.addoption(
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"--junitxml",
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"--junit-xml",
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action="store",
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dest="xmlpath",
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metavar="path",
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type=functools.partial(filename_arg, optname="--junitxml"),
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default=None,
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help="Create junit-xml style report file at given path",
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)
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group.addoption(
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"--junitprefix",
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"--junit-prefix",
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action="store",
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metavar="str",
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default=None,
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help="Prepend prefix to classnames in junit-xml output",
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)
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parser.addini(
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"junit_suite_name", "Test suite name for JUnit report", default="pytest"
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)
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parser.addini(
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"junit_logging",
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"Write captured log messages to JUnit report: "
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"one of no|log|system-out|system-err|out-err|all",
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default="no",
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)
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parser.addini(
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"junit_log_passing_tests",
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"Capture log information for passing tests to JUnit report: ",
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type="bool",
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default=True,
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)
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parser.addini(
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"junit_duration_report",
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"Duration time to report: one of total|call",
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default="total",
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) # choices=['total', 'call'])
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parser.addini(
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"junit_family",
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"Emit XML for schema: one of legacy|xunit1|xunit2",
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default="xunit2",
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)
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def pytest_configure(config: Config) -> None:
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xmlpath = config.option.xmlpath
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# Prevent opening xmllog on worker nodes (xdist).
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if xmlpath and not hasattr(config, "workerinput"):
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junit_family = config.getini("junit_family")
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config.stash[xml_key] = LogXML(
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xmlpath,
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config.option.junitprefix,
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config.getini("junit_suite_name"),
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config.getini("junit_logging"),
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config.getini("junit_duration_report"),
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junit_family,
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config.getini("junit_log_passing_tests"),
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)
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config.pluginmanager.register(config.stash[xml_key])
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def pytest_unconfigure(config: Config) -> None:
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xml = config.stash.get(xml_key, None)
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if xml:
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del config.stash[xml_key]
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config.pluginmanager.unregister(xml)
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def mangle_test_address(address: str) -> List[str]:
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path, possible_open_bracket, params = address.partition("[")
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names = path.split("::")
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# Convert file path to dotted path.
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names[0] = names[0].replace(nodes.SEP, ".")
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names[0] = re.sub(r"\.py$", "", names[0])
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# Put any params back.
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names[-1] += possible_open_bracket + params
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return names
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class LogXML:
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def __init__(
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self,
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logfile,
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prefix: Optional[str],
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suite_name: str = "pytest",
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logging: str = "no",
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report_duration: str = "total",
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family="xunit1",
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log_passing_tests: bool = True,
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) -> None:
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logfile = os.path.expanduser(os.path.expandvars(logfile))
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self.logfile = os.path.normpath(os.path.abspath(logfile))
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self.prefix = prefix
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self.suite_name = suite_name
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self.logging = logging
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self.log_passing_tests = log_passing_tests
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self.report_duration = report_duration
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self.family = family
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self.stats: Dict[str, int] = dict.fromkeys(
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["error", "passed", "failure", "skipped"], 0
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)
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self.node_reporters: Dict[
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Tuple[Union[str, TestReport], object], _NodeReporter
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] = {}
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self.node_reporters_ordered: List[_NodeReporter] = []
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self.global_properties: List[Tuple[str, str]] = []
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# List of reports that failed on call but teardown is pending.
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self.open_reports: List[TestReport] = []
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self.cnt_double_fail_tests = 0
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|
|
# 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))
|
|
if reporter is not None:
|
|
reporter.finalize()
|
|
|
|
def node_reporter(self, report: Union[TestReport, str]) -> _NodeReporter:
|
|
nodeid: Union[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)
|
|
|
|
for propname, propvalue in report.user_properties:
|
|
reporter.add_property(propname, str(propvalue))
|
|
|
|
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 == "total" or report.when == self.report_duration:
|
|
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_time = timing.time()
|
|
|
|
def pytest_sessionfinish(self) -> None:
|
|
dirname = os.path.dirname(os.path.abspath(self.logfile))
|
|
if not os.path.isdir(dirname):
|
|
os.makedirs(dirname)
|
|
|
|
with open(self.logfile, "w", encoding="utf-8") as logfile:
|
|
suite_stop_time = timing.time()
|
|
suite_time_delta = suite_stop_time - self.suite_start_time
|
|
|
|
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="%.3f" % suite_time_delta,
|
|
timestamp=datetime.fromtimestamp(self.suite_start_time).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.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) -> Optional[ET.Element]:
|
|
"""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
|