import os
from io import StringIO
from pprint import pprint
from typing import Any
from typing import cast
from typing import Dict
from typing import Iterable
from typing import Iterator
from typing import List
from typing import Mapping
from typing import Optional
from typing import Tuple
from typing import Type
from typing import TYPE_CHECKING
from typing import TypeVar
from typing import Union
import attr
from _pytest._code.code import ExceptionChainRepr
from _pytest._code.code import ExceptionInfo
from _pytest._code.code import ExceptionRepr
from _pytest._code.code import ReprEntry
from _pytest._code.code import ReprEntryNative
from _pytest._code.code import ReprExceptionInfo
from _pytest._code.code import ReprFileLocation
from _pytest._code.code import ReprFuncArgs
from _pytest._code.code import ReprLocals
from _pytest._code.code import ReprTraceback
from _pytest._code.code import TerminalRepr
from _pytest._io import TerminalWriter
from _pytest.compat import final
from _pytest.config import Config
from _pytest.nodes import Collector
from _pytest.nodes import Item
from _pytest.outcomes import skip
if TYPE_CHECKING:
from typing import NoReturn
from typing_extensions import Literal
from _pytest.runner import CallInfo
def getworkerinfoline(node):
try:
return node._workerinfocache
except AttributeError:
d = node.workerinfo
ver = "%s.%s.%s" % d["version_info"][:3]
node._workerinfocache = s = "[{}] {} -- Python {} {}".format(
d["id"], d["sysplatform"], ver, d["executable"]
)
return s
_R = TypeVar("_R", bound="BaseReport")
class BaseReport:
when: Optional[str]
location: Optional[Tuple[str, Optional[int], str]]
longrepr: Union[
None, ExceptionInfo[BaseException], Tuple[str, int, str], str, TerminalRepr
]
sections: List[Tuple[str, str]]
nodeid: str
outcome: "Literal['passed', 'failed', 'skipped']"
def __init__(self, **kw: Any) -> None:
self.__dict__.update(kw)
if TYPE_CHECKING:
# Can have arbitrary fields given to __init__().
def __getattr__(self, key: str) -> Any:
...
def toterminal(self, out: TerminalWriter) -> None:
if hasattr(self, "node"):
worker_info = getworkerinfoline(self.node)
if worker_info:
out.line(worker_info)
longrepr = self.longrepr
if longrepr is None:
return
if hasattr(longrepr, "toterminal"):
longrepr_terminal = cast(TerminalRepr, longrepr)
longrepr_terminal.toterminal(out)
else:
try:
s = str(longrepr)
except UnicodeEncodeError:
s = "<unprintable longrepr>"
out.line(s)
def get_sections(self, prefix: str) -> Iterator[Tuple[str, str]]:
for name, content in self.sections:
if name.startswith(prefix):
yield prefix, content
@property
def longreprtext(self) -> str:
"""Read-only property that returns the full string representation of
``longrepr``.
.. versionadded:: 3.0
"""
file = StringIO()
tw = TerminalWriter(file)
tw.hasmarkup = False
self.toterminal(tw)
exc = file.getvalue()
return exc.strip()
@property
def caplog(self) -> str:
"""Return captured log lines, if log capturing is enabled.
.. versionadded:: 3.5
"""
return "\n".join(
content for (prefix, content) in self.get_sections("Captured log")
)
@property
def capstdout(self) -> str:
"""Return captured text from stdout, if capturing is enabled.
.. versionadded:: 3.0
"""
return "".join(
content for (prefix, content) in self.get_sections("Captured stdout")
)
@property
def capstderr(self) -> str:
"""Return captured text from stderr, if capturing is enabled.
.. versionadded:: 3.0
"""
return "".join(
content for (prefix, content) in self.get_sections("Captured stderr")
)
@property
def passed(self) -> bool:
"""Whether the outcome is passed."""
return self.outcome == "passed"
@property
def failed(self) -> bool:
"""Whether the outcome is failed."""
return self.outcome == "failed"
@property
def skipped(self) -> bool:
"""Whether the outcome is skipped."""
return self.outcome == "skipped"
@property
def fspath(self) -> str:
"""The path portion of the reported node, as a string."""
return self.nodeid.split("::")[0]
@property
def count_towards_summary(self) -> bool:
"""**Experimental** Whether this report should be counted towards the
totals shown at the end of the test session: "1 passed, 1 failure, etc".
.. note::
This function is considered **experimental**, so beware that it is subject to changes
even in patch releases.
"""
return True
@property
def head_line(self) -> Optional[str]:
"""**Experimental** The head line shown with longrepr output for this
report, more commonly during traceback representation during
failures::
________ Test.foo ________
In the example above, the head_line is "Test.foo".
.. note::
This function is considered **experimental**, so beware that it is subject to changes
even in patch releases.
"""
if self.location is not None:
fspath, lineno, domain = self.location
return domain
return None
def _get_verbose_word(self, config: Config):
_category, _short, verbose = config.hook.pytest_report_teststatus(
report=self, config=config
)
return verbose
def _to_json(self) -> Dict[str, Any]:
"""Return the contents of this report as a dict of builtin entries,
suitable for serialization.
This was originally the serialize_report() function from xdist (ca03269).
Experimental method.
"""
return _report_to_json(self)
@classmethod
def _from_json(cls: Type[_R], reportdict: Dict[str, object]) -> _R:
"""Create either a TestReport or CollectReport, depending on the calling class.
It is the callers responsibility to know which class to pass here.
This was originally the serialize_report() function from xdist (ca03269).
Experimental method.
"""
kwargs = _report_kwargs_from_json(reportdict)
return cls(**kwargs)
def _report_unserialization_failure(
type_name: str, report_class: Type[BaseReport], reportdict
) -> "NoReturn":
url = "https://github.com/pytest-dev/pytest/issues"
stream = StringIO()
pprint("-" * 100, stream=stream)
pprint("INTERNALERROR: Unknown entry type returned: %s" % type_name, stream=stream)
pprint("report_name: %s" % report_class, stream=stream)
pprint(reportdict, stream=stream)
pprint("Please report this bug at %s" % url, stream=stream)
pprint("-" * 100, stream=stream)
raise RuntimeError(stream.getvalue())
[文档]@final
class TestReport(BaseReport):
"""Basic test report object (also used for setup and teardown calls if
they fail).
Reports can contain arbitrary extra attributes.
"""
__test__ = False
def __init__(
self,
nodeid: str,
location: Tuple[str, Optional[int], str],
keywords: Mapping[str, Any],
outcome: "Literal['passed', 'failed', 'skipped']",
longrepr: Union[
None, ExceptionInfo[BaseException], Tuple[str, int, str], str, TerminalRepr
],
when: "Literal['setup', 'call', 'teardown']",
sections: Iterable[Tuple[str, str]] = (),
duration: float = 0,
user_properties: Optional[Iterable[Tuple[str, object]]] = None,
**extra,
) -> None:
#: Normalized collection nodeid.
self.nodeid = nodeid
#: A (filesystempath, lineno, domaininfo) tuple indicating the
#: actual location of a test item - it might be different from the
#: collected one e.g. if a method is inherited from a different module.
self.location: Tuple[str, Optional[int], str] = location
#: A name -> value dictionary containing all keywords and
#: markers associated with a test invocation.
self.keywords = keywords
#: Test outcome, always one of "passed", "failed", "skipped".
self.outcome = outcome
#: None or a failure representation.
self.longrepr = longrepr
#: One of 'setup', 'call', 'teardown' to indicate runtest phase.
self.when = when
#: User properties is a list of tuples (name, value) that holds user
#: defined properties of the test.
self.user_properties = list(user_properties or [])
#: Tuples of str ``(heading, content)`` with extra information
#: for the test report. Used by pytest to add text captured
#: from ``stdout``, ``stderr``, and intercepted logging events. May
#: be used by other plugins to add arbitrary information to reports.
self.sections = list(sections)
#: Time it took to run just the test.
self.duration = duration
self.__dict__.update(extra)
def __repr__(self) -> str:
return "<{} {!r} when={!r} outcome={!r}>".format(
self.__class__.__name__, self.nodeid, self.when, self.outcome
)
[文档] @classmethod
def from_item_and_call(cls, item: Item, call: "CallInfo[None]") -> "TestReport":
"""Create and fill a TestReport with standard item and call info."""
when = call.when
# Remove "collect" from the Literal type -- only for collection calls.
assert when != "collect"
duration = call.duration
keywords = {x: 1 for x in item.keywords}
excinfo = call.excinfo
sections = []
if not call.excinfo:
outcome: Literal["passed", "failed", "skipped"] = "passed"
longrepr: Union[
None,
ExceptionInfo[BaseException],
Tuple[str, int, str],
str,
TerminalRepr,
] = None
else:
if not isinstance(excinfo, ExceptionInfo):
outcome = "failed"
longrepr = excinfo
elif isinstance(excinfo.value, skip.Exception):
outcome = "skipped"
r = excinfo._getreprcrash()
if excinfo.value._use_item_location:
path, line = item.reportinfo()[:2]
assert line is not None
longrepr = os.fspath(path), line + 1, r.message
else:
longrepr = (str(r.path), r.lineno, r.message)
else:
outcome = "failed"
if call.when == "call":
longrepr = item.repr_failure(excinfo)
else: # exception in setup or teardown
longrepr = item._repr_failure_py(
excinfo, style=item.config.getoption("tbstyle", "auto")
)
for rwhen, key, content in item._report_sections:
sections.append((f"Captured {key} {rwhen}", content))
return cls(
item.nodeid,
item.location,
keywords,
outcome,
longrepr,
when,
sections,
duration,
user_properties=item.user_properties,
)
[文档]@final
class CollectReport(BaseReport):
"""Collection report object.
Reports can contain arbitrary extra attributes.
"""
when = "collect"
def __init__(
self,
nodeid: str,
outcome: "Literal['passed', 'failed', 'skipped']",
longrepr: Union[
None, ExceptionInfo[BaseException], Tuple[str, int, str], str, TerminalRepr
],
result: Optional[List[Union[Item, Collector]]],
sections: Iterable[Tuple[str, str]] = (),
**extra,
) -> None:
#: Normalized collection nodeid.
self.nodeid = nodeid
#: Test outcome, always one of "passed", "failed", "skipped".
self.outcome = outcome
#: None or a failure representation.
self.longrepr = longrepr
#: The collected items and collection nodes.
self.result = result or []
#: Tuples of str ``(heading, content)`` with extra information
#: for the test report. Used by pytest to add text captured
#: from ``stdout``, ``stderr``, and intercepted logging events. May
#: be used by other plugins to add arbitrary information to reports.
self.sections = list(sections)
self.__dict__.update(extra)
@property
def location(self):
return (self.fspath, None, self.fspath)
def __repr__(self) -> str:
return "<CollectReport {!r} lenresult={} outcome={!r}>".format(
self.nodeid, len(self.result), self.outcome
)
class CollectErrorRepr(TerminalRepr):
def __init__(self, msg: str) -> None:
self.longrepr = msg
def toterminal(self, out: TerminalWriter) -> None:
out.line(self.longrepr, red=True)
def pytest_report_to_serializable(
report: Union[CollectReport, TestReport]
) -> Optional[Dict[str, Any]]:
if isinstance(report, (TestReport, CollectReport)):
data = report._to_json()
data["$report_type"] = report.__class__.__name__
return data
# TODO: Check if this is actually reachable.
return None # type: ignore[unreachable]
def pytest_report_from_serializable(
data: Dict[str, Any],
) -> Optional[Union[CollectReport, TestReport]]:
if "$report_type" in data:
if data["$report_type"] == "TestReport":
return TestReport._from_json(data)
elif data["$report_type"] == "CollectReport":
return CollectReport._from_json(data)
assert False, "Unknown report_type unserialize data: {}".format(
data["$report_type"]
)
return None
def _report_to_json(report: BaseReport) -> Dict[str, Any]:
"""Return the contents of this report as a dict of builtin entries,
suitable for serialization.
This was originally the serialize_report() function from xdist (ca03269).
"""
def serialize_repr_entry(
entry: Union[ReprEntry, ReprEntryNative]
) -> Dict[str, Any]:
data = attr.asdict(entry) # type:ignore[arg-type]
for key, value in data.items():
if hasattr(value, "__dict__"):
data[key] = attr.asdict(value)
entry_data = {"type": type(entry).__name__, "data": data}
return entry_data
def serialize_repr_traceback(reprtraceback: ReprTraceback) -> Dict[str, Any]:
result = attr.asdict(reprtraceback) # type:ignore[arg-type]
result["reprentries"] = [
serialize_repr_entry(x) for x in reprtraceback.reprentries
]
return result
def serialize_repr_crash(
reprcrash: Optional[ReprFileLocation],
) -> Optional[Dict[str, Any]]:
if reprcrash is not None:
return attr.asdict(reprcrash) # type:ignore[arg-type]
else:
return None
def serialize_exception_longrepr(rep: BaseReport) -> Dict[str, Any]:
assert rep.longrepr is not None
# TODO: Investigate whether the duck typing is really necessary here.
longrepr = cast(ExceptionRepr, rep.longrepr)
result: Dict[str, Any] = {
"reprcrash": serialize_repr_crash(longrepr.reprcrash),
"reprtraceback": serialize_repr_traceback(longrepr.reprtraceback),
"sections": longrepr.sections,
}
if isinstance(longrepr, ExceptionChainRepr):
result["chain"] = []
for repr_traceback, repr_crash, description in longrepr.chain:
result["chain"].append(
(
serialize_repr_traceback(repr_traceback),
serialize_repr_crash(repr_crash),
description,
)
)
else:
result["chain"] = None
return result
d = report.__dict__.copy()
if hasattr(report.longrepr, "toterminal"):
if hasattr(report.longrepr, "reprtraceback") and hasattr(
report.longrepr, "reprcrash"
):
d["longrepr"] = serialize_exception_longrepr(report)
else:
d["longrepr"] = str(report.longrepr)
else:
d["longrepr"] = report.longrepr
for name in d:
if isinstance(d[name], os.PathLike):
d[name] = os.fspath(d[name])
elif name == "result":
d[name] = None # for now
return d
def _report_kwargs_from_json(reportdict: Dict[str, Any]) -> Dict[str, Any]:
"""Return **kwargs that can be used to construct a TestReport or
CollectReport instance.
This was originally the serialize_report() function from xdist (ca03269).
"""
def deserialize_repr_entry(entry_data):
data = entry_data["data"]
entry_type = entry_data["type"]
if entry_type == "ReprEntry":
reprfuncargs = None
reprfileloc = None
reprlocals = None
if data["reprfuncargs"]:
reprfuncargs = ReprFuncArgs(**data["reprfuncargs"])
if data["reprfileloc"]:
reprfileloc = ReprFileLocation(**data["reprfileloc"])
if data["reprlocals"]:
reprlocals = ReprLocals(data["reprlocals"]["lines"])
reprentry: Union[ReprEntry, ReprEntryNative] = ReprEntry(
lines=data["lines"],
reprfuncargs=reprfuncargs,
reprlocals=reprlocals,
reprfileloc=reprfileloc,
style=data["style"],
)
elif entry_type == "ReprEntryNative":
reprentry = ReprEntryNative(data["lines"])
else:
_report_unserialization_failure(entry_type, TestReport, reportdict)
return reprentry
def deserialize_repr_traceback(repr_traceback_dict):
repr_traceback_dict["reprentries"] = [
deserialize_repr_entry(x) for x in repr_traceback_dict["reprentries"]
]
return ReprTraceback(**repr_traceback_dict)
def deserialize_repr_crash(repr_crash_dict: Optional[Dict[str, Any]]):
if repr_crash_dict is not None:
return ReprFileLocation(**repr_crash_dict)
else:
return None
if (
reportdict["longrepr"]
and "reprcrash" in reportdict["longrepr"]
and "reprtraceback" in reportdict["longrepr"]
):
reprtraceback = deserialize_repr_traceback(
reportdict["longrepr"]["reprtraceback"]
)
reprcrash = deserialize_repr_crash(reportdict["longrepr"]["reprcrash"])
if reportdict["longrepr"]["chain"]:
chain = []
for repr_traceback_data, repr_crash_data, description in reportdict[
"longrepr"
]["chain"]:
chain.append(
(
deserialize_repr_traceback(repr_traceback_data),
deserialize_repr_crash(repr_crash_data),
description,
)
)
exception_info: Union[
ExceptionChainRepr, ReprExceptionInfo
] = ExceptionChainRepr(chain)
else:
exception_info = ReprExceptionInfo(reprtraceback, reprcrash)
for section in reportdict["longrepr"]["sections"]:
exception_info.addsection(*section)
reportdict["longrepr"] = exception_info
return reportdict
