How to use register_assert_rewrite method in Pytest

Best Python code snippet using pytest

conftest.py

Source:conftest.py

...44@pytest.fixture45def iters_factor(request):46    return int(request.config.getoption("--iters-factor"))47# enable pytest assert introspection in the helper modules48pytest.register_assert_rewrite('protosupport.v4.srv_msg')49pytest.register_assert_rewrite('protosupport.multi_protocol_functions')50pytest.register_assert_rewrite('cb_model')51pytest.register_assert_rewrite('dhcp4_scen')...

brain_pytest.py

Source:brain_pytest.py

1"""Astroid hooks for pytest."""2from __future__ import absolute_import3from astroid import MANAGER, register_module_extender4from astroid.builder import AstroidBuilder5def pytest_transform():6    return AstroidBuilder(MANAGER).string_build('''7try:8    import _pytest.mark9    import _pytest.recwarn10    import _pytest.runner11    import _pytest.python12    import _pytest.skipping13    import _pytest.assertion14except ImportError:15    pass16else:17    deprecated_call = _pytest.recwarn.deprecated_call18    warns = _pytest.recwarn.warns19    exit = _pytest.runner.exit20    fail = _pytest.runner.fail21    skip = _pytest.runner.skip22    importorskip = _pytest.runner.importorskip23    xfail = _pytest.skipping.xfail24    mark = _pytest.mark.MarkGenerator()25    raises = _pytest.python.raises26    # New in pytest 3.027    try:28        approx = _pytest.python.approx29        register_assert_rewrite = _pytest.assertion.register_assert_rewrite30    except AttributeError:31        pass32# Moved in pytest 3.033try:34    import _pytest.freeze_support35    freeze_includes = _pytest.freeze_support.freeze_includes36except ImportError:37    try:38        import _pytest.genscript39        freeze_includes = _pytest.genscript.freeze_includes40    except ImportError:41        pass42try:43    import _pytest.debugging44    set_trace = _pytest.debugging.pytestPDB().set_trace45except ImportError:46    try:47        import _pytest.pdb48        set_trace = _pytest.pdb.pytestPDB().set_trace49    except ImportError:50        pass51try:52    import _pytest.fixtures53    fixture = _pytest.fixtures.fixture54    yield_fixture = _pytest.fixtures.yield_fixture55except ImportError:56    try:57        import _pytest.python58        fixture = _pytest.python.fixture59        yield_fixture = _pytest.python.yield_fixture60    except ImportError:61        pass62''')63register_module_extender(MANAGER, 'pytest', pytest_transform)...

pytest.py

Source:pytest.py

1# PYTHON_ARGCOMPLETE_OK2"""3pytest: unit and functional testing with Python.4"""5# else we are imported6from _pytest.config import main, UsageError, cmdline, hookspec, hookimpl7from _pytest.fixtures import fixture, yield_fixture8from _pytest.assertion import register_assert_rewrite9from _pytest.freeze_support import freeze_includes10from _pytest import __version__11from _pytest.debugging import pytestPDB as __pytestPDB12from _pytest.recwarn import warns, deprecated_call13from _pytest.outcomes import fail, skip, importorskip, exit, xfail14from _pytest.mark import MARK_GEN as mark, param15from _pytest.main import Session16from _pytest.nodes import Item, Collector, File17from _pytest.fixtures import fillfixtures as _fillfuncargs18from _pytest.python import Module, Class, Instance, Function, Generator19from _pytest.python_api import approx, raises20set_trace = __pytestPDB.set_trace21__all__ = [22    "main",23    "UsageError",24    "cmdline",25    "hookspec",26    "hookimpl",27    "__version__",28    "register_assert_rewrite",29    "freeze_includes",30    "set_trace",31    "warns",32    "deprecated_call",33    "fixture",34    "yield_fixture",35    "fail",36    "skip",37    "xfail",38    "importorskip",39    "exit",40    "mark",41    "param",42    "approx",43    "_fillfuncargs",44    "Item",45    "File",46    "Collector",47    "Session",48    "Module",49    "Class",50    "Instance",51    "Function",52    "Generator",53    "raises",54]55if __name__ == "__main__":56    # if run as a script or by 'python -m pytest'57    # we trigger the below "else" condition by the following import58    import pytest59    raise SystemExit(pytest.main())60else:61    from _pytest.compat import _setup_collect_fakemodule...

__init__.py

Source:__init__.py

1import pytest2pytest.register_assert_rewrite("test.testdoubles.sshclient")3pytest.register_assert_rewrite("test.testdoubles.executor")...

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