312 lines
11 KiB
Python
312 lines
11 KiB
Python
import pytest
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import py
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import os
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from _pytest.config import get_config, PytestPluginManager
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@pytest.fixture
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def pytestpm():
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return PytestPluginManager()
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class TestPytestPluginInteractions:
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def test_addhooks_conftestplugin(self, testdir):
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testdir.makepyfile(newhooks="""
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def pytest_myhook(xyz):
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"new hook"
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""")
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conf = testdir.makeconftest("""
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import sys ; sys.path.insert(0, '.')
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import newhooks
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def pytest_addhooks(pluginmanager):
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pluginmanager.addhooks(newhooks)
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def pytest_myhook(xyz):
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return xyz + 1
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""")
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config = get_config()
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pm = config.pluginmanager
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pm.hook.pytest_addhooks.call_historic(
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kwargs=dict(pluginmanager=config.pluginmanager))
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config.pluginmanager._importconftest(conf)
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#print(config.pluginmanager.get_plugins())
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res = config.hook.pytest_myhook(xyz=10)
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assert res == [11]
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def test_addhooks_nohooks(self, testdir):
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testdir.makeconftest("""
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import sys
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def pytest_addhooks(pluginmanager):
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pluginmanager.addhooks(sys)
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""")
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res = testdir.runpytest()
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assert res.ret != 0
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res.stderr.fnmatch_lines([
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"*did not find*sys*"
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])
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def test_namespace_early_from_import(self, testdir):
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p = testdir.makepyfile("""
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from pytest import Item
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from pytest import Item as Item2
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assert Item is Item2
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""")
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result = testdir.runpython(p)
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assert result.ret == 0
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def test_do_ext_namespace(self, testdir):
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testdir.makeconftest("""
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def pytest_namespace():
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return {'hello': 'world'}
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""")
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p = testdir.makepyfile("""
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from pytest import hello
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import pytest
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def test_hello():
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assert hello == "world"
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assert 'hello' in pytest.__all__
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""")
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reprec = testdir.inline_run(p)
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reprec.assertoutcome(passed=1)
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def test_do_option_postinitialize(self, testdir):
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config = testdir.parseconfigure()
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assert not hasattr(config.option, 'test123')
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p = testdir.makepyfile("""
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def pytest_addoption(parser):
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parser.addoption('--test123', action="store_true",
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default=True)
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""")
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config.pluginmanager._importconftest(p)
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assert config.option.test123
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def test_configure(self, testdir):
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config = testdir.parseconfig()
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l = []
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class A:
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def pytest_configure(self, config):
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l.append(self)
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config.pluginmanager.register(A())
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assert len(l) == 0
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config._do_configure()
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assert len(l) == 1
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config.pluginmanager.register(A()) # leads to a configured() plugin
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assert len(l) == 2
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assert l[0] != l[1]
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config._ensure_unconfigure()
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config.pluginmanager.register(A())
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assert len(l) == 2
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def test_hook_tracing(self):
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pytestpm = get_config().pluginmanager # fully initialized with plugins
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saveindent = []
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class api1:
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def pytest_plugin_registered(self):
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saveindent.append(pytestpm.trace.root.indent)
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class api2:
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def pytest_plugin_registered(self):
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saveindent.append(pytestpm.trace.root.indent)
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raise ValueError()
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l = []
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pytestpm.trace.root.setwriter(l.append)
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undo = pytestpm.enable_tracing()
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try:
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indent = pytestpm.trace.root.indent
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p = api1()
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pytestpm.register(p)
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assert pytestpm.trace.root.indent == indent
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assert len(l) >= 2
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assert 'pytest_plugin_registered' in l[0]
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assert 'finish' in l[1]
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l[:] = []
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with pytest.raises(ValueError):
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pytestpm.register(api2())
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assert pytestpm.trace.root.indent == indent
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assert saveindent[0] > indent
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finally:
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undo()
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def test_warn_on_deprecated_multicall(self, pytestpm):
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class Plugin:
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def pytest_configure(self, __multicall__):
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pass
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before = list(pytestpm._warnings)
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pytestpm.register(Plugin())
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assert len(pytestpm._warnings) == len(before) + 1
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assert "deprecated" in pytestpm._warnings[-1]["message"]
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def test_namespace_has_default_and_env_plugins(testdir):
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p = testdir.makepyfile("""
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import pytest
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pytest.mark
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""")
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result = testdir.runpython(p)
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assert result.ret == 0
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def test_default_markers(testdir):
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result = testdir.runpytest("--markers")
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result.stdout.fnmatch_lines([
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"*tryfirst*first*",
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"*trylast*last*",
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])
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def test_importplugin_issue375(testdir, pytestpm):
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testdir.syspathinsert(testdir.tmpdir)
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testdir.makepyfile(qwe="import aaaa")
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with pytest.raises(ImportError) as excinfo:
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pytestpm.import_plugin("qwe")
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assert "qwe" not in str(excinfo.value)
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assert "aaaa" in str(excinfo.value)
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class TestPytestPluginManager:
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def test_register_imported_modules(self):
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pm = PytestPluginManager()
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mod = py.std.types.ModuleType("x.y.pytest_hello")
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pm.register(mod)
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assert pm.is_registered(mod)
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l = pm.get_plugins()
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assert mod in l
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pytest.raises(ValueError, "pm.register(mod)")
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pytest.raises(ValueError, lambda: pm.register(mod))
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#assert not pm.is_registered(mod2)
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assert pm.get_plugins() == l
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def test_canonical_import(self, monkeypatch):
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mod = py.std.types.ModuleType("pytest_xyz")
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monkeypatch.setitem(py.std.sys.modules, 'pytest_xyz', mod)
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pm = PytestPluginManager()
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pm.import_plugin('pytest_xyz')
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assert pm.get_plugin('pytest_xyz') == mod
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assert pm.is_registered(mod)
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def test_consider_module(self, testdir, pytestpm):
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testdir.syspathinsert()
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testdir.makepyfile(pytest_p1="#")
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testdir.makepyfile(pytest_p2="#")
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mod = py.std.types.ModuleType("temp")
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mod.pytest_plugins = ["pytest_p1", "pytest_p2"]
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pytestpm.consider_module(mod)
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assert pytestpm.get_plugin("pytest_p1").__name__ == "pytest_p1"
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assert pytestpm.get_plugin("pytest_p2").__name__ == "pytest_p2"
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def test_consider_module_import_module(self, testdir):
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pytestpm = get_config().pluginmanager
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mod = py.std.types.ModuleType("x")
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mod.pytest_plugins = "pytest_a"
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aplugin = testdir.makepyfile(pytest_a="#")
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reprec = testdir.make_hook_recorder(pytestpm)
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#syspath.prepend(aplugin.dirpath())
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py.std.sys.path.insert(0, str(aplugin.dirpath()))
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pytestpm.consider_module(mod)
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call = reprec.getcall(pytestpm.hook.pytest_plugin_registered.name)
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assert call.plugin.__name__ == "pytest_a"
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# check that it is not registered twice
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pytestpm.consider_module(mod)
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l = reprec.getcalls("pytest_plugin_registered")
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assert len(l) == 1
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def test_consider_env_fails_to_import(self, monkeypatch, pytestpm):
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monkeypatch.setenv('PYTEST_PLUGINS', 'nonexisting', prepend=",")
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with pytest.raises(ImportError):
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pytestpm.consider_env()
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def test_plugin_skip(self, testdir, monkeypatch):
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p = testdir.makepyfile(skipping1="""
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import pytest
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pytest.skip("hello")
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""")
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p.copy(p.dirpath("skipping2.py"))
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monkeypatch.setenv("PYTEST_PLUGINS", "skipping2")
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result = testdir.runpytest("-rw", "-p", "skipping1", syspathinsert=True)
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assert result.ret == 0
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result.stdout.fnmatch_lines([
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"WI1*skipped plugin*skipping1*hello*",
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"WI1*skipped plugin*skipping2*hello*",
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])
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def test_consider_env_plugin_instantiation(self, testdir, monkeypatch, pytestpm):
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testdir.syspathinsert()
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testdir.makepyfile(xy123="#")
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monkeypatch.setitem(os.environ, 'PYTEST_PLUGINS', 'xy123')
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l1 = len(pytestpm.get_plugins())
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pytestpm.consider_env()
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l2 = len(pytestpm.get_plugins())
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assert l2 == l1 + 1
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assert pytestpm.get_plugin('xy123')
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pytestpm.consider_env()
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l3 = len(pytestpm.get_plugins())
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assert l2 == l3
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def test_pluginmanager_ENV_startup(self, testdir, monkeypatch):
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testdir.makepyfile(pytest_x500="#")
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p = testdir.makepyfile("""
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import pytest
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def test_hello(pytestconfig):
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plugin = pytestconfig.pluginmanager.get_plugin('pytest_x500')
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assert plugin is not None
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""")
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monkeypatch.setenv('PYTEST_PLUGINS', 'pytest_x500', prepend=",")
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result = testdir.runpytest(p, syspathinsert=True)
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assert result.ret == 0
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result.stdout.fnmatch_lines(["*1 passed*"])
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def test_import_plugin_importname(self, testdir, pytestpm):
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pytest.raises(ImportError, 'pytestpm.import_plugin("qweqwex.y")')
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pytest.raises(ImportError, 'pytestpm.import_plugin("pytest_qweqwx.y")')
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testdir.syspathinsert()
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pluginname = "pytest_hello"
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testdir.makepyfile(**{pluginname: ""})
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pytestpm.import_plugin("pytest_hello")
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len1 = len(pytestpm.get_plugins())
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pytestpm.import_plugin("pytest_hello")
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len2 = len(pytestpm.get_plugins())
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assert len1 == len2
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plugin1 = pytestpm.get_plugin("pytest_hello")
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assert plugin1.__name__.endswith('pytest_hello')
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plugin2 = pytestpm.get_plugin("pytest_hello")
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assert plugin2 is plugin1
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def test_import_plugin_dotted_name(self, testdir, pytestpm):
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pytest.raises(ImportError, 'pytestpm.import_plugin("qweqwex.y")')
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pytest.raises(ImportError, 'pytestpm.import_plugin("pytest_qweqwex.y")')
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testdir.syspathinsert()
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testdir.mkpydir("pkg").join("plug.py").write("x=3")
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pluginname = "pkg.plug"
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pytestpm.import_plugin(pluginname)
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mod = pytestpm.get_plugin("pkg.plug")
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assert mod.x == 3
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def test_consider_conftest_deps(self, testdir, pytestpm):
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mod = testdir.makepyfile("pytest_plugins='xyz'").pyimport()
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with pytest.raises(ImportError):
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pytestpm.consider_conftest(mod)
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class TestPytestPluginManagerBootstrapming:
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def test_preparse_args(self, pytestpm):
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pytest.raises(ImportError, lambda:
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pytestpm.consider_preparse(["xyz", "-p", "hello123"]))
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def test_plugin_prevent_register(self, pytestpm):
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pytestpm.consider_preparse(["xyz", "-p", "no:abc"])
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l1 = pytestpm.get_plugins()
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pytestpm.register(42, name="abc")
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l2 = pytestpm.get_plugins()
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assert len(l2) == len(l1)
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assert 42 not in l2
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def test_plugin_prevent_register_unregistered_alredy_registered(self, pytestpm):
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pytestpm.register(42, name="abc")
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l1 = pytestpm.get_plugins()
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assert 42 in l1
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pytestpm.consider_preparse(["xyz", "-p", "no:abc"])
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l2 = pytestpm.get_plugins()
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assert 42 not in l2
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