Pytest:自定义短测试摘要信息，删除filepath
Pytest:自定义短测试摘要信息，删除filepath
提问于 2020-12-31 23:02:24
我试图从pytest -tb=no短输出中获得更多有用的输出。我在JSON文件中存储了集成测试，因此输出看起来都非常相似。
tests/test_dit_cli.py .......F............................. [ 29%]
...F...F.FF........F............................F...FFFFFFF [ 75%]
FFF.F..................F.....FF [100%]
===================== short test summary info =====================
FAILED tests/test_dit_cli.py::test_dits[dit_json7] - assert "Lin...
FAILED tests/test_dit_cli.py::test_dits[dit_json40] - assert "Li...
FAILED tests/test_dit_cli.py::test_dits[dit_json44] - assert "Li...
FAILED tests/test_dit_cli.py::test_dits[dit_json46] - assert "Li...
FAILED tests/test_dit_cli.py::test_dits[dit_json47] - assert "Li...
FAILED tests/test_dit_cli.py::test_dits[dit_json56] - assert "Li...
FAILED tests/test_dit_cli.py::test_dits[dit_json85] - assert "Li...
FAILED tests/test_dit_cli.py::test_dits[dit_json89] - AssertionE...
FAILED tests/test_dit_cli.py::test_dits[dit_json90] - AssertionE...
FAILED tests/test_dit_cli.py::test_dits[dit_json91] - AssertionE...
FAILED tests/test_dit_cli.py::test_dits[dit_json92] - AssertionE...
FAILED tests/test_dit_cli.py::test_dits[dit_json93] - AssertionE...
FAILED tests/test_dit_cli.py::test_dits[dit_json94] - AssertionE...
FAILED tests/test_dit_cli.py::test_dits[dit_json95] - AssertionE...
FAILED tests/test_dit_cli.py::test_dits[dit_json96] - assert 'Li...
FAILED tests/test_dit_cli.py::test_dits[dit_json97] - assert 'Li...
FAILED tests/test_dit_cli.py::test_dits[dit_json98] - assert "Li...
FAILED tests/test_dit_cli.py::test_dits[dit_json100] - Assertion...
FAILED tests/test_dit_cli.py::test_dits[dit_json119] - assert "L...
FAILED tests/test_dit_cli.py::test_dits[dit_json125] - Assertion...
FAILED tests/test_dit_cli.py::test_dits[dit_json126] - Assertion...
================= 21 failed, 106 passed in 2.94s ==================看到同样的tests/test_dit_cli.py::test_dits[dit_json126] 20次并不能帮助我了解项目中的问题所在，所以我通常一次只修复一个错误。每个测试条目都有关于正在运行的测试类型和预期结果的额外信息，但我不知道如何将这些信息输入pytest。我希望有这样的事情：
===================== short test summary info =====================
FAILED [func, vanilla Python] - assert "Li...
FAILED [Thing, value assignment] - assert "Li...
FAILED [TypeMismatch, String var assigned to List] - assert "Lin...实际上，我在ids调用中为parametrize提供了一个值，从而接近了这一点。
def pytest_generate_tests(metafunc: Metafunc):
for fixture in metafunc.fixturenames:
if fixture == "dit_json":
test_dicts = list(load_from_json())
titles = [test_dict["title"] for test_dict in test_dicts]
metafunc.parametrize(argnames=fixture, argvalues=test_dicts, ids=titles)FAILED tests/test_dit_cli.py::test_dits[TypeMismatch, List var assigned to String]
FAILED tests/test_dit_cli.py::test_dits[import, anon import referenced in list assignment]所以，我非常接近，我只想删除文件，这样线就更短了。有没有办法改变它认为测试所在的文件路径？还是让我随意修改摘要输出的钩子？我试着修改pytest_collection_modifyitems和更改item.fspath，但是它没有改变输出中的任何内容。我看到了修改输出的许多其他东西的方法，但没有具体地修改那个文件路径。
回答 2
Stack Overflow用户
回答已采纳
发布于 2021-01-02 16:37:40
如果您只想缩短简短摘要信息中的节点，可以覆盖report对象的report属性。一个简单的例子：
def pytest_runtest_logreport(report):
report.nodeid = "..." + report.nodeid[-10:]放置在您的conftest.py中，将将每个节点截断到其最后的十个字符：
=========================== short test summary info ===========================
FAILED ...st_spam[0] - assert False
FAILED ...st_spam[1] - assert False
FAILED ...st_spam[2] - assert False
FAILED ...st_spam[3] - assert False
FAILED ...st_spam[4] - assert False
FAILED ...:test_eggs - assert False如果您想要一个完全定制的短测试摘要行，那么您需要实现一个定制的TerminalReporter，并在测试运行中尽早替换一个普通的测试摘要。示例存根：
import pytest
from _pytest.terminal import TerminalReporter
class MyReporter(TerminalReporter):
def short_test_summary(self):
# your own impl goes here, for example:
self.write_sep("=", "my own short summary info")
failed = self.stats.get("failed", [])
for rep in failed:
self.write_line(f"failed test {rep.nodeid}")
@pytest.mark.trylast
def pytest_configure(config):
vanilla_reporter = config.pluginmanager.getplugin("terminalreporter")
my_reporter = MyReporter(config)
config.pluginmanager.unregister(vanilla_reporter)
config.pluginmanager.register(my_reporter, "terminalreporter")这将产生一个摘要部分，如
========================== short test summary info ===========================
failed test tests/test_spam.py::test_spam[0]
failed test tests/test_spam.py::test_spam[1]
failed test tests/test_spam.py::test_spam[2]
failed test tests/test_spam.py::test_spam[3]
failed test tests/test_spam.py::test_spam[4]
failed test tests/test_spam.py::test_eggs请注意，上述的MyReporter.short_test_summary()的推动是不完整的，只是为了演示的目的！作为参考，请查看pytest impl。
Stack Overflow用户
发布于 2022-08-30 06:22:37
@IsaiahShiner
至于@final问题，您可以这样做：
from _pytest.terminal import TerminalReporter
MyReporter = type('MyReporter', (TerminalReporter, ), {})
def __init__(self, config, file=None):
super(MyReporter, self).__init__(config, file)
MyReporter.__init__ = __init__看起来不太好，但很管用。
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/65526149
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