877 lines
31 KiB
Python
877 lines
31 KiB
Python
"""Core implementation of the testing process: init, session, runtest loop."""
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import argparse
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import fnmatch
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import functools
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import importlib
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import os
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import sys
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from pathlib import Path
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from typing import Callable
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from typing import Dict
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from typing import FrozenSet
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from typing import Iterator
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from typing import List
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from typing import Optional
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from typing import overload
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from typing import Sequence
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from typing import Set
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from typing import Tuple
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from typing import Type
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from typing import TYPE_CHECKING
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from typing import Union
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import attr
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import py
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import _pytest._code
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from _pytest import nodes
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from _pytest.compat import final
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from _pytest.config import Config
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from _pytest.config import directory_arg
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from _pytest.config import ExitCode
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from _pytest.config import hookimpl
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from _pytest.config import PytestPluginManager
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from _pytest.config import UsageError
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from _pytest.config.argparsing import Parser
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from _pytest.fixtures import FixtureManager
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from _pytest.outcomes import exit
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from _pytest.pathlib import absolutepath
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from _pytest.pathlib import bestrelpath
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from _pytest.pathlib import visit
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from _pytest.reports import CollectReport
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from _pytest.reports import TestReport
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from _pytest.runner import collect_one_node
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from _pytest.runner import SetupState
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if TYPE_CHECKING:
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from typing_extensions import Literal
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def pytest_addoption(parser: Parser) -> None:
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parser.addini(
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"norecursedirs",
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"directory patterns to avoid for recursion",
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type="args",
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default=[
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"*.egg",
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".*",
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"_darcs",
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"build",
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"CVS",
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"dist",
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"node_modules",
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"venv",
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"{arch}",
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],
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)
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parser.addini(
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"testpaths",
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"directories to search for tests when no files or directories are given in the "
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"command line.",
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type="args",
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default=[],
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)
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group = parser.getgroup("general", "running and selection options")
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group._addoption(
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"-x",
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"--exitfirst",
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action="store_const",
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dest="maxfail",
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const=1,
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help="exit instantly on first error or failed test.",
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)
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group = parser.getgroup("pytest-warnings")
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group.addoption(
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"-W",
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"--pythonwarnings",
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action="append",
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help="set which warnings to report, see -W option of python itself.",
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)
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parser.addini(
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"filterwarnings",
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type="linelist",
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help="Each line specifies a pattern for "
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"warnings.filterwarnings. "
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"Processed after -W/--pythonwarnings.",
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)
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group._addoption(
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"--maxfail",
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metavar="num",
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action="store",
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type=int,
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dest="maxfail",
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default=0,
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help="exit after first num failures or errors.",
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)
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group._addoption(
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"--strict-config",
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action="store_true",
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help="any warnings encountered while parsing the `pytest` section of the configuration file raise errors.",
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)
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group._addoption(
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"--strict-markers",
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action="store_true",
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help="markers not registered in the `markers` section of the configuration file raise errors.",
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)
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group._addoption(
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"--strict", action="store_true", help="(deprecated) alias to --strict-markers.",
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)
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group._addoption(
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"-c",
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metavar="file",
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type=str,
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dest="inifilename",
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help="load configuration from `file` instead of trying to locate one of the implicit "
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"configuration files.",
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)
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group._addoption(
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"--continue-on-collection-errors",
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action="store_true",
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default=False,
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dest="continue_on_collection_errors",
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help="Force test execution even if collection errors occur.",
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)
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group._addoption(
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"--rootdir",
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action="store",
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dest="rootdir",
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help="Define root directory for tests. Can be relative path: 'root_dir', './root_dir', "
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"'root_dir/another_dir/'; absolute path: '/home/user/root_dir'; path with variables: "
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"'$HOME/root_dir'.",
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)
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group = parser.getgroup("collect", "collection")
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group.addoption(
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"--collectonly",
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"--collect-only",
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"--co",
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action="store_true",
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help="only collect tests, don't execute them.",
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)
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group.addoption(
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"--pyargs",
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action="store_true",
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help="try to interpret all arguments as python packages.",
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)
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group.addoption(
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"--ignore",
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action="append",
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metavar="path",
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help="ignore path during collection (multi-allowed).",
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)
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group.addoption(
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"--ignore-glob",
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action="append",
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metavar="path",
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help="ignore path pattern during collection (multi-allowed).",
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)
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group.addoption(
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"--deselect",
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action="append",
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metavar="nodeid_prefix",
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help="deselect item (via node id prefix) during collection (multi-allowed).",
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)
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group.addoption(
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"--confcutdir",
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dest="confcutdir",
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default=None,
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metavar="dir",
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type=functools.partial(directory_arg, optname="--confcutdir"),
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help="only load conftest.py's relative to specified dir.",
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)
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group.addoption(
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"--noconftest",
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action="store_true",
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dest="noconftest",
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default=False,
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help="Don't load any conftest.py files.",
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)
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group.addoption(
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"--keepduplicates",
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"--keep-duplicates",
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action="store_true",
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dest="keepduplicates",
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default=False,
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help="Keep duplicate tests.",
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)
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group.addoption(
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"--collect-in-virtualenv",
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action="store_true",
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dest="collect_in_virtualenv",
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default=False,
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help="Don't ignore tests in a local virtualenv directory",
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)
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group.addoption(
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"--import-mode",
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default="prepend",
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choices=["prepend", "append", "importlib"],
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dest="importmode",
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help="prepend/append to sys.path when importing test modules and conftest files, "
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"default is to prepend.",
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)
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group = parser.getgroup("debugconfig", "test session debugging and configuration")
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group.addoption(
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"--basetemp",
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dest="basetemp",
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default=None,
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type=validate_basetemp,
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metavar="dir",
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help=(
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"base temporary directory for this test run."
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"(warning: this directory is removed if it exists)"
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),
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)
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def validate_basetemp(path: str) -> str:
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# GH 7119
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msg = "basetemp must not be empty, the current working directory or any parent directory of it"
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# empty path
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if not path:
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raise argparse.ArgumentTypeError(msg)
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def is_ancestor(base: Path, query: Path) -> bool:
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"""Return whether query is an ancestor of base."""
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if base == query:
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return True
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for parent in base.parents:
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if parent == query:
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return True
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return False
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# check if path is an ancestor of cwd
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if is_ancestor(Path.cwd(), Path(path).absolute()):
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raise argparse.ArgumentTypeError(msg)
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# check symlinks for ancestors
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if is_ancestor(Path.cwd().resolve(), Path(path).resolve()):
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raise argparse.ArgumentTypeError(msg)
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return path
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def wrap_session(
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config: Config, doit: Callable[[Config, "Session"], Optional[Union[int, ExitCode]]]
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) -> Union[int, ExitCode]:
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"""Skeleton command line program."""
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session = Session.from_config(config)
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session.exitstatus = ExitCode.OK
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initstate = 0
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try:
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try:
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config._do_configure()
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initstate = 1
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config.hook.pytest_sessionstart(session=session)
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initstate = 2
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session.exitstatus = doit(config, session) or 0
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except UsageError:
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session.exitstatus = ExitCode.USAGE_ERROR
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raise
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except Failed:
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session.exitstatus = ExitCode.TESTS_FAILED
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except (KeyboardInterrupt, exit.Exception):
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excinfo = _pytest._code.ExceptionInfo.from_current()
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exitstatus: Union[int, ExitCode] = ExitCode.INTERRUPTED
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if isinstance(excinfo.value, exit.Exception):
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if excinfo.value.returncode is not None:
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exitstatus = excinfo.value.returncode
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if initstate < 2:
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sys.stderr.write(f"{excinfo.typename}: {excinfo.value.msg}\n")
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config.hook.pytest_keyboard_interrupt(excinfo=excinfo)
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session.exitstatus = exitstatus
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except BaseException:
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session.exitstatus = ExitCode.INTERNAL_ERROR
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excinfo = _pytest._code.ExceptionInfo.from_current()
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try:
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config.notify_exception(excinfo, config.option)
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except exit.Exception as exc:
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if exc.returncode is not None:
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session.exitstatus = exc.returncode
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sys.stderr.write("{}: {}\n".format(type(exc).__name__, exc))
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else:
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if isinstance(excinfo.value, SystemExit):
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sys.stderr.write("mainloop: caught unexpected SystemExit!\n")
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finally:
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# Explicitly break reference cycle.
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excinfo = None # type: ignore
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session.startdir.chdir()
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if initstate >= 2:
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try:
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config.hook.pytest_sessionfinish(
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session=session, exitstatus=session.exitstatus
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)
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except exit.Exception as exc:
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if exc.returncode is not None:
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session.exitstatus = exc.returncode
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sys.stderr.write("{}: {}\n".format(type(exc).__name__, exc))
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config._ensure_unconfigure()
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return session.exitstatus
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def pytest_cmdline_main(config: Config) -> Union[int, ExitCode]:
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return wrap_session(config, _main)
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def _main(config: Config, session: "Session") -> Optional[Union[int, ExitCode]]:
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"""Default command line protocol for initialization, session,
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running tests and reporting."""
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config.hook.pytest_collection(session=session)
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config.hook.pytest_runtestloop(session=session)
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if session.testsfailed:
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return ExitCode.TESTS_FAILED
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elif session.testscollected == 0:
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return ExitCode.NO_TESTS_COLLECTED
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return None
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def pytest_collection(session: "Session") -> None:
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session.perform_collect()
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def pytest_runtestloop(session: "Session") -> bool:
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if session.testsfailed and not session.config.option.continue_on_collection_errors:
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raise session.Interrupted(
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"%d error%s during collection"
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% (session.testsfailed, "s" if session.testsfailed != 1 else "")
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)
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if session.config.option.collectonly:
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return True
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for i, item in enumerate(session.items):
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nextitem = session.items[i + 1] if i + 1 < len(session.items) else None
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item.config.hook.pytest_runtest_protocol(item=item, nextitem=nextitem)
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if session.shouldfail:
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raise session.Failed(session.shouldfail)
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if session.shouldstop:
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raise session.Interrupted(session.shouldstop)
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return True
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def _in_venv(path: py.path.local) -> bool:
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"""Attempt to detect if ``path`` is the root of a Virtual Environment by
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checking for the existence of the appropriate activate script."""
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bindir = path.join("Scripts" if sys.platform.startswith("win") else "bin")
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if not bindir.isdir():
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return False
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activates = (
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"activate",
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"activate.csh",
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"activate.fish",
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"Activate",
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"Activate.bat",
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"Activate.ps1",
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)
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return any([fname.basename in activates for fname in bindir.listdir()])
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def pytest_ignore_collect(path: py.path.local, config: Config) -> Optional[bool]:
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ignore_paths = config._getconftest_pathlist("collect_ignore", path=path.dirpath())
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ignore_paths = ignore_paths or []
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excludeopt = config.getoption("ignore")
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if excludeopt:
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ignore_paths.extend([py.path.local(x) for x in excludeopt])
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if py.path.local(path) in ignore_paths:
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return True
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ignore_globs = config._getconftest_pathlist(
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"collect_ignore_glob", path=path.dirpath()
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)
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ignore_globs = ignore_globs or []
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excludeglobopt = config.getoption("ignore_glob")
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if excludeglobopt:
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ignore_globs.extend([py.path.local(x) for x in excludeglobopt])
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if any(fnmatch.fnmatch(str(path), str(glob)) for glob in ignore_globs):
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return True
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allow_in_venv = config.getoption("collect_in_virtualenv")
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if not allow_in_venv and _in_venv(path):
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return True
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return None
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def pytest_collection_modifyitems(items: List[nodes.Item], config: Config) -> None:
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deselect_prefixes = tuple(config.getoption("deselect") or [])
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if not deselect_prefixes:
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return
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remaining = []
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deselected = []
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for colitem in items:
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if colitem.nodeid.startswith(deselect_prefixes):
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deselected.append(colitem)
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else:
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remaining.append(colitem)
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if deselected:
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config.hook.pytest_deselected(items=deselected)
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items[:] = remaining
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class FSHookProxy:
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def __init__(self, pm: PytestPluginManager, remove_mods) -> None:
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self.pm = pm
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self.remove_mods = remove_mods
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def __getattr__(self, name: str):
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x = self.pm.subset_hook_caller(name, remove_plugins=self.remove_mods)
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self.__dict__[name] = x
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return x
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class Interrupted(KeyboardInterrupt):
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"""Signals that the test run was interrupted."""
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__module__ = "builtins" # For py3.
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class Failed(Exception):
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"""Signals a stop as failed test run."""
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@attr.s
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class _bestrelpath_cache(Dict[Path, str]):
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path = attr.ib(type=Path)
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def __missing__(self, path: Path) -> str:
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r = bestrelpath(self.path, path)
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self[path] = r
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return r
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@final
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class Session(nodes.FSCollector):
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Interrupted = Interrupted
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Failed = Failed
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# Set on the session by runner.pytest_sessionstart.
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_setupstate: SetupState
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# Set on the session by fixtures.pytest_sessionstart.
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_fixturemanager: FixtureManager
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exitstatus: Union[int, ExitCode]
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def __init__(self, config: Config) -> None:
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super().__init__(
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config.rootdir, parent=None, config=config, session=self, nodeid=""
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)
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self.testsfailed = 0
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self.testscollected = 0
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self.shouldstop: Union[bool, str] = False
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self.shouldfail: Union[bool, str] = False
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self.trace = config.trace.root.get("collection")
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self.startdir = config.invocation_dir
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self._initialpaths: FrozenSet[py.path.local] = frozenset()
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self._bestrelpathcache: Dict[Path, str] = _bestrelpath_cache(config.rootpath)
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self.config.pluginmanager.register(self, name="session")
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@classmethod
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def from_config(cls, config: Config) -> "Session":
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session: Session = cls._create(config)
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return session
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def __repr__(self) -> str:
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return "<%s %s exitstatus=%r testsfailed=%d testscollected=%d>" % (
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self.__class__.__name__,
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self.name,
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getattr(self, "exitstatus", "<UNSET>"),
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self.testsfailed,
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self.testscollected,
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)
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def _node_location_to_relpath(self, node_path: Path) -> str:
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# bestrelpath is a quite slow function.
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return self._bestrelpathcache[node_path]
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@hookimpl(tryfirst=True)
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def pytest_collectstart(self) -> None:
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if self.shouldfail:
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raise self.Failed(self.shouldfail)
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if self.shouldstop:
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raise self.Interrupted(self.shouldstop)
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@hookimpl(tryfirst=True)
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def pytest_runtest_logreport(
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self, report: Union[TestReport, CollectReport]
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) -> None:
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if report.failed and not hasattr(report, "wasxfail"):
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self.testsfailed += 1
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maxfail = self.config.getvalue("maxfail")
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if maxfail and self.testsfailed >= maxfail:
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self.shouldfail = "stopping after %d failures" % (self.testsfailed)
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pytest_collectreport = pytest_runtest_logreport
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def isinitpath(self, path: py.path.local) -> bool:
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return path in self._initialpaths
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def gethookproxy(self, fspath: py.path.local):
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# Check if we have the common case of running
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# hooks with all conftest.py files.
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pm = self.config.pluginmanager
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my_conftestmodules = pm._getconftestmodules(
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fspath, self.config.getoption("importmode")
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)
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remove_mods = pm._conftest_plugins.difference(my_conftestmodules)
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if remove_mods:
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# One or more conftests are not in use at this fspath.
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proxy = FSHookProxy(pm, remove_mods)
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else:
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# All plugins are active for this fspath.
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proxy = self.config.hook
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return proxy
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def _recurse(self, direntry: "os.DirEntry[str]") -> bool:
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if direntry.name == "__pycache__":
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return False
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path = py.path.local(direntry.path)
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ihook = self.gethookproxy(path.dirpath())
|
|
if ihook.pytest_ignore_collect(path=path, config=self.config):
|
|
return False
|
|
norecursepatterns = self.config.getini("norecursedirs")
|
|
if any(path.check(fnmatch=pat) for pat in norecursepatterns):
|
|
return False
|
|
return True
|
|
|
|
def _collectfile(
|
|
self, path: py.path.local, handle_dupes: bool = True
|
|
) -> Sequence[nodes.Collector]:
|
|
assert (
|
|
path.isfile()
|
|
), "{!r} is not a file (isdir={!r}, exists={!r}, islink={!r})".format(
|
|
path, path.isdir(), path.exists(), path.islink()
|
|
)
|
|
ihook = self.gethookproxy(path)
|
|
if not self.isinitpath(path):
|
|
if ihook.pytest_ignore_collect(path=path, config=self.config):
|
|
return ()
|
|
|
|
if handle_dupes:
|
|
keepduplicates = self.config.getoption("keepduplicates")
|
|
if not keepduplicates:
|
|
duplicate_paths = self.config.pluginmanager._duplicatepaths
|
|
if path in duplicate_paths:
|
|
return ()
|
|
else:
|
|
duplicate_paths.add(path)
|
|
|
|
return ihook.pytest_collect_file(path=path, parent=self) # type: ignore[no-any-return]
|
|
|
|
@overload
|
|
def perform_collect(
|
|
self, args: Optional[Sequence[str]] = ..., genitems: "Literal[True]" = ...
|
|
) -> Sequence[nodes.Item]:
|
|
...
|
|
|
|
@overload
|
|
def perform_collect(
|
|
self, args: Optional[Sequence[str]] = ..., genitems: bool = ...
|
|
) -> Sequence[Union[nodes.Item, nodes.Collector]]:
|
|
...
|
|
|
|
def perform_collect(
|
|
self, args: Optional[Sequence[str]] = None, genitems: bool = True
|
|
) -> Sequence[Union[nodes.Item, nodes.Collector]]:
|
|
"""Perform the collection phase for this session.
|
|
|
|
This is called by the default
|
|
:func:`pytest_collection <_pytest.hookspec.pytest_collection>` hook
|
|
implementation; see the documentation of this hook for more details.
|
|
For testing purposes, it may also be called directly on a fresh
|
|
``Session``.
|
|
|
|
This function normally recursively expands any collectors collected
|
|
from the session to their items, and only items are returned. For
|
|
testing purposes, this may be suppressed by passing ``genitems=False``,
|
|
in which case the return value contains these collectors unexpanded,
|
|
and ``session.items`` is empty.
|
|
"""
|
|
if args is None:
|
|
args = self.config.args
|
|
|
|
self.trace("perform_collect", self, args)
|
|
self.trace.root.indent += 1
|
|
|
|
self._notfound: List[Tuple[str, Sequence[nodes.Collector]]] = []
|
|
self._initial_parts: List[Tuple[py.path.local, List[str]]] = []
|
|
self.items: List[nodes.Item] = []
|
|
|
|
hook = self.config.hook
|
|
|
|
items: Sequence[Union[nodes.Item, nodes.Collector]] = self.items
|
|
try:
|
|
initialpaths: List[py.path.local] = []
|
|
for arg in args:
|
|
fspath, parts = resolve_collection_argument(
|
|
self.config.invocation_params.dir,
|
|
arg,
|
|
as_pypath=self.config.option.pyargs,
|
|
)
|
|
self._initial_parts.append((fspath, parts))
|
|
initialpaths.append(fspath)
|
|
self._initialpaths = frozenset(initialpaths)
|
|
rep = collect_one_node(self)
|
|
self.ihook.pytest_collectreport(report=rep)
|
|
self.trace.root.indent -= 1
|
|
if self._notfound:
|
|
errors = []
|
|
for arg, cols in self._notfound:
|
|
line = f"(no name {arg!r} in any of {cols!r})"
|
|
errors.append(f"not found: {arg}\n{line}")
|
|
raise UsageError(*errors)
|
|
if not genitems:
|
|
items = rep.result
|
|
else:
|
|
if rep.passed:
|
|
for node in rep.result:
|
|
self.items.extend(self.genitems(node))
|
|
|
|
self.config.pluginmanager.check_pending()
|
|
hook.pytest_collection_modifyitems(
|
|
session=self, config=self.config, items=items
|
|
)
|
|
finally:
|
|
hook.pytest_collection_finish(session=self)
|
|
|
|
self.testscollected = len(items)
|
|
return items
|
|
|
|
def collect(self) -> Iterator[Union[nodes.Item, nodes.Collector]]:
|
|
from _pytest.python import Package
|
|
|
|
# Keep track of any collected nodes in here, so we don't duplicate fixtures.
|
|
node_cache1: Dict[py.path.local, Sequence[nodes.Collector]] = {}
|
|
node_cache2: Dict[
|
|
Tuple[Type[nodes.Collector], py.path.local], nodes.Collector
|
|
] = ({})
|
|
|
|
# Keep track of any collected collectors in matchnodes paths, so they
|
|
# are not collected more than once.
|
|
matchnodes_cache: Dict[Tuple[Type[nodes.Collector], str], CollectReport] = ({})
|
|
|
|
# Dirnames of pkgs with dunder-init files.
|
|
pkg_roots: Dict[str, Package] = {}
|
|
|
|
for argpath, names in self._initial_parts:
|
|
self.trace("processing argument", (argpath, names))
|
|
self.trace.root.indent += 1
|
|
|
|
# Start with a Session root, and delve to argpath item (dir or file)
|
|
# and stack all Packages found on the way.
|
|
# No point in finding packages when collecting doctests.
|
|
if not self.config.getoption("doctestmodules", False):
|
|
pm = self.config.pluginmanager
|
|
for parent in reversed(argpath.parts()):
|
|
if pm._confcutdir and pm._confcutdir.relto(parent):
|
|
break
|
|
|
|
if parent.isdir():
|
|
pkginit = parent.join("__init__.py")
|
|
if pkginit.isfile() and pkginit not in node_cache1:
|
|
col = self._collectfile(pkginit, handle_dupes=False)
|
|
if col:
|
|
if isinstance(col[0], Package):
|
|
pkg_roots[str(parent)] = col[0]
|
|
node_cache1[col[0].fspath] = [col[0]]
|
|
|
|
# If it's a directory argument, recurse and look for any Subpackages.
|
|
# Let the Package collector deal with subnodes, don't collect here.
|
|
if argpath.check(dir=1):
|
|
assert not names, "invalid arg {!r}".format((argpath, names))
|
|
|
|
seen_dirs: Set[py.path.local] = set()
|
|
for direntry in visit(str(argpath), self._recurse):
|
|
if not direntry.is_file():
|
|
continue
|
|
|
|
path = py.path.local(direntry.path)
|
|
dirpath = path.dirpath()
|
|
|
|
if dirpath not in seen_dirs:
|
|
# Collect packages first.
|
|
seen_dirs.add(dirpath)
|
|
pkginit = dirpath.join("__init__.py")
|
|
if pkginit.exists():
|
|
for x in self._collectfile(pkginit):
|
|
yield x
|
|
if isinstance(x, Package):
|
|
pkg_roots[str(dirpath)] = x
|
|
if str(dirpath) in pkg_roots:
|
|
# Do not collect packages here.
|
|
continue
|
|
|
|
for x in self._collectfile(path):
|
|
key = (type(x), x.fspath)
|
|
if key in node_cache2:
|
|
yield node_cache2[key]
|
|
else:
|
|
node_cache2[key] = x
|
|
yield x
|
|
else:
|
|
assert argpath.check(file=1)
|
|
|
|
if argpath in node_cache1:
|
|
col = node_cache1[argpath]
|
|
else:
|
|
collect_root = pkg_roots.get(argpath.dirname, self)
|
|
col = collect_root._collectfile(argpath, handle_dupes=False)
|
|
if col:
|
|
node_cache1[argpath] = col
|
|
|
|
matching = []
|
|
work: List[
|
|
Tuple[Sequence[Union[nodes.Item, nodes.Collector]], Sequence[str]]
|
|
] = [(col, names)]
|
|
while work:
|
|
self.trace("matchnodes", col, names)
|
|
self.trace.root.indent += 1
|
|
|
|
matchnodes, matchnames = work.pop()
|
|
for node in matchnodes:
|
|
if not matchnames:
|
|
matching.append(node)
|
|
continue
|
|
if not isinstance(node, nodes.Collector):
|
|
continue
|
|
key = (type(node), node.nodeid)
|
|
if key in matchnodes_cache:
|
|
rep = matchnodes_cache[key]
|
|
else:
|
|
rep = collect_one_node(node)
|
|
matchnodes_cache[key] = rep
|
|
if rep.passed:
|
|
submatchnodes = []
|
|
for r in rep.result:
|
|
# TODO: Remove parametrized workaround once collection structure contains
|
|
# parametrization.
|
|
if (
|
|
r.name == matchnames[0]
|
|
or r.name.split("[")[0] == matchnames[0]
|
|
):
|
|
submatchnodes.append(r)
|
|
if submatchnodes:
|
|
work.append((submatchnodes, matchnames[1:]))
|
|
# XXX Accept IDs that don't have "()" for class instances.
|
|
elif len(rep.result) == 1 and rep.result[0].name == "()":
|
|
work.append((rep.result, matchnames))
|
|
else:
|
|
# Report collection failures here to avoid failing to run some test
|
|
# specified in the command line because the module could not be
|
|
# imported (#134).
|
|
node.ihook.pytest_collectreport(report=rep)
|
|
|
|
self.trace("matchnodes finished -> ", len(matching), "nodes")
|
|
self.trace.root.indent -= 1
|
|
|
|
if not matching:
|
|
report_arg = "::".join((str(argpath), *names))
|
|
self._notfound.append((report_arg, col))
|
|
continue
|
|
|
|
# If __init__.py was the only file requested, then the matched
|
|
# node will be the corresponding Package (by default), and the
|
|
# first yielded item will be the __init__ Module itself, so
|
|
# just use that. If this special case isn't taken, then all the
|
|
# files in the package will be yielded.
|
|
if argpath.basename == "__init__.py" and isinstance(
|
|
matching[0], Package
|
|
):
|
|
try:
|
|
yield next(iter(matching[0].collect()))
|
|
except StopIteration:
|
|
# The package collects nothing with only an __init__.py
|
|
# file in it, which gets ignored by the default
|
|
# "python_files" option.
|
|
pass
|
|
continue
|
|
|
|
yield from matching
|
|
|
|
self.trace.root.indent -= 1
|
|
|
|
def genitems(
|
|
self, node: Union[nodes.Item, nodes.Collector]
|
|
) -> Iterator[nodes.Item]:
|
|
self.trace("genitems", node)
|
|
if isinstance(node, nodes.Item):
|
|
node.ihook.pytest_itemcollected(item=node)
|
|
yield node
|
|
else:
|
|
assert isinstance(node, nodes.Collector)
|
|
rep = collect_one_node(node)
|
|
if rep.passed:
|
|
for subnode in rep.result:
|
|
yield from self.genitems(subnode)
|
|
node.ihook.pytest_collectreport(report=rep)
|
|
|
|
|
|
def search_pypath(module_name: str) -> str:
|
|
"""Search sys.path for the given a dotted module name, and return its file system path."""
|
|
try:
|
|
spec = importlib.util.find_spec(module_name)
|
|
# AttributeError: looks like package module, but actually filename
|
|
# ImportError: module does not exist
|
|
# ValueError: not a module name
|
|
except (AttributeError, ImportError, ValueError):
|
|
return module_name
|
|
if spec is None or spec.origin is None or spec.origin == "namespace":
|
|
return module_name
|
|
elif spec.submodule_search_locations:
|
|
return os.path.dirname(spec.origin)
|
|
else:
|
|
return spec.origin
|
|
|
|
|
|
def resolve_collection_argument(
|
|
invocation_path: Path, arg: str, *, as_pypath: bool = False
|
|
) -> Tuple[py.path.local, List[str]]:
|
|
"""Parse path arguments optionally containing selection parts and return (fspath, names).
|
|
|
|
Command-line arguments can point to files and/or directories, and optionally contain
|
|
parts for specific tests selection, for example:
|
|
|
|
"pkg/tests/test_foo.py::TestClass::test_foo"
|
|
|
|
This function ensures the path exists, and returns a tuple:
|
|
|
|
(py.path.path("/full/path/to/pkg/tests/test_foo.py"), ["TestClass", "test_foo"])
|
|
|
|
When as_pypath is True, expects that the command-line argument actually contains
|
|
module paths instead of file-system paths:
|
|
|
|
"pkg.tests.test_foo::TestClass::test_foo"
|
|
|
|
In which case we search sys.path for a matching module, and then return the *path* to the
|
|
found module.
|
|
|
|
If the path doesn't exist, raise UsageError.
|
|
If the path is a directory and selection parts are present, raise UsageError.
|
|
"""
|
|
strpath, *parts = str(arg).split("::")
|
|
if as_pypath:
|
|
strpath = search_pypath(strpath)
|
|
fspath = invocation_path / strpath
|
|
fspath = absolutepath(fspath)
|
|
if not fspath.exists():
|
|
msg = (
|
|
"module or package not found: {arg} (missing __init__.py?)"
|
|
if as_pypath
|
|
else "file or directory not found: {arg}"
|
|
)
|
|
raise UsageError(msg.format(arg=arg))
|
|
if parts and fspath.is_dir():
|
|
msg = (
|
|
"package argument cannot contain :: selection parts: {arg}"
|
|
if as_pypath
|
|
else "directory argument cannot contain :: selection parts: {arg}"
|
|
)
|
|
raise UsageError(msg.format(arg=arg))
|
|
return py.path.local(str(fspath)), parts
|