496 lines
16 KiB
Python
496 lines
16 KiB
Python
import py, os
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from py._test.pluginmanager import PluginManager, canonical_importname
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from py._test.pluginmanager import Registry, MultiCall, HookRelay, varnames
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class TestBootstrapping:
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def test_consider_env_fails_to_import(self, monkeypatch):
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pluginmanager = PluginManager()
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monkeypatch.setenv('PYTEST_PLUGINS', 'nonexisting', prepend=",")
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py.test.raises(ImportError, "pluginmanager.consider_env()")
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def test_preparse_args(self):
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pluginmanager = PluginManager()
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py.test.raises(ImportError, """
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pluginmanager.consider_preparse(["xyz", "-p", "hello123"])
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""")
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def test_plugin_skip(self, testdir, monkeypatch):
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p = testdir.makepyfile(pytest_skipping1="""
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import py
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py.test.skip("hello")
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""")
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p.copy(p.dirpath("pytest_skipping2.py"))
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monkeypatch.setenv("PYTEST_PLUGINS", "skipping2")
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result = testdir.runpytest("-p", "skipping1", "--traceconfig")
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assert result.ret == 0
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result.stdout.fnmatch_lines([
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"*hint*skipping2*hello*",
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"*hint*skipping1*hello*",
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])
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def test_consider_env_plugin_instantiation(self, testdir, monkeypatch):
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pluginmanager = PluginManager()
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testdir.syspathinsert()
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testdir.makepyfile(pytest_xy123="#")
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monkeypatch.setitem(os.environ, 'PYTEST_PLUGINS', 'xy123')
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l1 = len(pluginmanager.getplugins())
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pluginmanager.consider_env()
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l2 = len(pluginmanager.getplugins())
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assert l2 == l1 + 1
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assert pluginmanager.getplugin('pytest_xy123')
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pluginmanager.consider_env()
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l3 = len(pluginmanager.getplugins())
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assert l2 == l3
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def test_consider_setuptools_instantiation(self, monkeypatch):
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pkg_resources = py.test.importorskip("pkg_resources")
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def my_iter(name):
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assert name == "pytest11"
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class EntryPoint:
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name = "mytestplugin"
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def load(self):
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class PseudoPlugin:
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x = 42
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return PseudoPlugin()
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return iter([EntryPoint()])
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monkeypatch.setattr(pkg_resources, 'iter_entry_points', my_iter)
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pluginmanager = PluginManager()
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pluginmanager.consider_setuptools_entrypoints()
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plugin = pluginmanager.getplugin("mytestplugin")
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assert plugin.x == 42
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plugin2 = pluginmanager.getplugin("pytest_mytestplugin")
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assert plugin2 == plugin
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def test_consider_setuptools_not_installed(self, monkeypatch):
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monkeypatch.setitem(py.std.sys.modules, 'pkg_resources',
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py.std.types.ModuleType("pkg_resources"))
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pluginmanager = PluginManager()
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pluginmanager.consider_setuptools_entrypoints()
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# ok, we did not explode
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def test_pluginmanager_ENV_startup(self, testdir, monkeypatch):
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x500 = testdir.makepyfile(pytest_x500="#")
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p = testdir.makepyfile("""
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import py
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def test_hello(pytestconfig):
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plugin = pytestconfig.pluginmanager.getplugin('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)
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assert result.ret == 0
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result.stdout.fnmatch_lines(["*1 passed in*"])
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def test_import_plugin_importname(self, testdir):
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pluginmanager = PluginManager()
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py.test.raises(ImportError, 'pluginmanager.import_plugin("x.y")')
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py.test.raises(ImportError, 'pluginmanager.import_plugin("pytest_x.y")')
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reset = testdir.syspathinsert()
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pluginname = "pytest_hello"
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testdir.makepyfile(**{pluginname: ""})
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pluginmanager.import_plugin("hello")
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len1 = len(pluginmanager.getplugins())
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pluginmanager.import_plugin("pytest_hello")
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len2 = len(pluginmanager.getplugins())
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assert len1 == len2
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plugin1 = pluginmanager.getplugin("pytest_hello")
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assert plugin1.__name__.endswith('pytest_hello')
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plugin2 = pluginmanager.getplugin("hello")
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assert plugin2 is plugin1
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def test_consider_module(self, testdir):
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pluginmanager = PluginManager()
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testdir.syspathinsert()
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testdir.makepyfile(pytest_plug1="#")
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testdir.makepyfile(pytest_plug2="#")
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mod = py.std.types.ModuleType("temp")
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mod.pytest_plugins = ["pytest_plug1", "pytest_plug2"]
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pluginmanager.consider_module(mod)
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assert pluginmanager.getplugin("plug1").__name__ == "pytest_plug1"
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assert pluginmanager.getplugin("plug2").__name__ == "pytest_plug2"
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def test_consider_module_import_module(self, testdir):
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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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pluginmanager = PluginManager()
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reprec = testdir.getreportrecorder(pluginmanager)
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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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pluginmanager.consider_module(mod)
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call = reprec.getcall(pluginmanager.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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pluginmanager.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_conftest_deprecated(self, testdir):
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pp = PluginManager()
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mod = testdir.makepyfile("class ConftestPlugin: pass").pyimport()
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call = py.test.raises(ValueError, pp.consider_conftest, mod)
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def test_config_sets_conftesthandle_onimport(self, testdir):
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config = testdir.parseconfig([])
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assert config._conftest._onimport == config._onimportconftest
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def test_consider_conftest_deps(self, testdir):
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mod = testdir.makepyfile("pytest_plugins='xyz'").pyimport()
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pp = PluginManager()
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py.test.raises(ImportError, "pp.consider_conftest(mod)")
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def test_registry(self):
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pp = PluginManager()
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class A: pass
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a1, a2 = A(), A()
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pp.register(a1)
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assert pp.isregistered(a1)
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pp.register(a2, "hello")
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assert pp.isregistered(a2)
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l = pp.getplugins()
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assert a1 in l
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assert a2 in l
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assert pp.getplugin('hello') == a2
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pp.unregister(a1)
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assert not pp.isregistered(a1)
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pp.unregister(a2)
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assert not pp.isregistered(a2)
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def test_register_imported_modules(self):
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pp = PluginManager()
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mod = py.std.types.ModuleType("x.y.pytest_hello")
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pp.register(mod)
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assert pp.isregistered(mod)
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l = pp.getplugins()
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assert mod in l
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py.test.raises(AssertionError, "pp.register(mod)")
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mod2 = py.std.types.ModuleType("pytest_hello")
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#pp.register(mod2) # double registry
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py.test.raises(AssertionError, "pp.register(mod)")
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#assert not pp.isregistered(mod2)
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assert pp.getplugins() == 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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pp = PluginManager()
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pp.import_plugin('xyz')
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assert pp.getplugin('xyz') == mod
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assert pp.getplugin('pytest_xyz') == mod
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assert pp.isregistered(mod)
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def test_register_mismatch_method(self):
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pp = PluginManager()
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class hello:
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def pytest_gurgel(self):
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pass
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py.test.raises(Exception, "pp.register(hello())")
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def test_register_mismatch_arg(self):
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pp = PluginManager()
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class hello:
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def pytest_configure(self, asd):
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pass
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excinfo = py.test.raises(Exception, "pp.register(hello())")
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def test_canonical_importname(self):
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for name in 'xyz', 'pytest_xyz', 'pytest_Xyz', 'Xyz':
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impname = canonical_importname(name)
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class TestPytestPluginInteractions:
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def test_addhooks_conftestplugin(self, testdir):
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from py._test.config import Config
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newhooks = 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 = Config()
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config._conftest.importconftest(conf)
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print(config.pluginmanager.getplugins())
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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_docstring_error(self, testdir):
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newhooks = testdir.makepyfile(newhooks="""
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class A: # no pytest_ prefix
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pass
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def pytest_myhook(xyz):
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pass
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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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""")
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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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"*docstring*pytest_myhook*newhooks*"
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])
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def test_addhooks_nohooks(self, testdir):
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conf = 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_do_option_conftestplugin(self, testdir):
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from py._test.config import Config
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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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""")
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config = Config()
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config._conftest.importconftest(p)
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print(config.pluginmanager.getplugins())
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config.parse([])
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assert not config.option.test123
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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 py.test import hello
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import py
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def test_hello():
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assert hello == "world"
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assert 'hello' in py.test.__all__
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""")
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result = testdir.runpytest(p)
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result.stdout.fnmatch_lines([
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"*1 passed*"
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])
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def test_do_option_postinitialize(self, testdir):
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from py._test.config import Config
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config = Config()
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config.parse([])
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config.pluginmanager.do_configure(config=config)
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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._conftest.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.pluginmanager.do_configure(config=config)
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assert len(l) == 1
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config.pluginmanager.register(A()) # this should lead 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.pluginmanager.do_unconfigure(config=config)
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config.pluginmanager.register(A())
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assert len(l) == 2
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# lower level API
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def test_listattr(self):
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pluginmanager = PluginManager()
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class My2:
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x = 42
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pluginmanager.register(My2())
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assert not pluginmanager.listattr("hello")
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assert pluginmanager.listattr("x") == [42]
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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 py
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py.test.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_varnames():
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def f(x):
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pass
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class A:
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def f(self, y):
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pass
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class B(object):
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def __call__(self, z):
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pass
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assert varnames(f) == ("x",)
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assert varnames(A().f) == ('y',)
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assert varnames(B()) == ('z',)
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class TestMultiCall:
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def test_uses_copy_of_methods(self):
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l = [lambda: 42]
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mc = MultiCall(l, {})
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repr(mc)
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l[:] = []
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res = mc.execute()
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return res == 42
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def test_call_passing(self):
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class P1:
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def m(self, __multicall__, x):
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assert len(__multicall__.results) == 1
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assert not __multicall__.methods
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return 17
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class P2:
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def m(self, __multicall__, x):
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assert __multicall__.results == []
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assert __multicall__.methods
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return 23
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p1 = P1()
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p2 = P2()
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multicall = MultiCall([p1.m, p2.m], {'x': 23})
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assert "23" in repr(multicall)
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reslist = multicall.execute()
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assert len(reslist) == 2
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# ensure reversed order
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assert reslist == [23, 17]
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def test_keyword_args(self):
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def f(x):
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return x + 1
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class A:
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def f(self, x, y):
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return x + y
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multicall = MultiCall([f, A().f], dict(x=23, y=24))
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assert "'x': 23" in repr(multicall)
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assert "'y': 24" in repr(multicall)
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reslist = multicall.execute()
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assert reslist == [24+23, 24]
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assert "2 results" in repr(multicall)
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def test_keywords_call_error(self):
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multicall = MultiCall([lambda x: x], {})
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py.test.raises(TypeError, "multicall.execute()")
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def test_call_subexecute(self):
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def m(__multicall__):
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subresult = __multicall__.execute()
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return subresult + 1
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def n():
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return 1
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call = MultiCall([n, m], {}, firstresult=True)
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res = call.execute()
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assert res == 2
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def test_call_none_is_no_result(self):
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def m1():
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return 1
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def m2():
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return None
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res = MultiCall([m1, m2], {}, firstresult=True).execute()
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assert res == 1
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res = MultiCall([m1, m2], {}).execute()
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assert res == [1]
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class TestRegistry:
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def test_register(self):
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registry = Registry()
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class MyPlugin:
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pass
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my = MyPlugin()
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registry.register(my)
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assert list(registry) == [my]
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my2 = MyPlugin()
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registry.register(my2)
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assert list(registry) == [my, my2]
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assert registry.isregistered(my)
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assert registry.isregistered(my2)
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registry.unregister(my)
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assert not registry.isregistered(my)
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assert list(registry) == [my2]
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def test_listattr(self):
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plugins = Registry()
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class api1:
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x = 41
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class api2:
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x = 42
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class api3:
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x = 43
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plugins.register(api1())
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plugins.register(api2())
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plugins.register(api3())
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l = list(plugins.listattr('x'))
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assert l == [41, 42, 43]
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l = list(plugins.listattr('x', reverse=True))
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assert l == [43, 42, 41]
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class TestHookRelay:
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def test_happypath(self):
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registry = Registry()
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class Api:
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def hello(self, arg):
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"api hook 1"
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mcm = HookRelay(hookspecs=Api, registry=registry, prefix="he")
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assert hasattr(mcm, 'hello')
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assert repr(mcm.hello).find("hello") != -1
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class Plugin:
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def hello(self, arg):
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return arg + 1
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registry.register(Plugin())
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l = mcm.hello(arg=3)
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assert l == [4]
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assert not hasattr(mcm, 'world')
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def test_only_kwargs(self):
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registry = Registry()
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class Api:
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def hello(self, arg):
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"api hook 1"
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mcm = HookRelay(hookspecs=Api, registry=registry, prefix="he")
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py.test.raises(TypeError, "mcm.hello(3)")
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def test_firstresult_definition(self):
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registry = Registry()
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class Api:
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def hello(self, arg):
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"api hook 1"
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hello.firstresult = True
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mcm = HookRelay(hookspecs=Api, registry=registry, prefix="he")
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class Plugin:
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def hello(self, arg):
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return arg + 1
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registry.register(Plugin())
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res = mcm.hello(arg=3)
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assert res == 4
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