test_ok1/py/test/testing/test_pluginmanager.py

255 lines
9.2 KiB
Python

import py, os
from py.__.test.pluginmanager import PluginManager, canonical_importname, collectattr
class TestBootstrapping:
def test_consider_env_fails_to_import(self, monkeypatch):
pluginmanager = PluginManager()
monkeypatch.setenv('PYTEST_PLUGINS', 'nonexisting', prepend=",")
py.test.raises(ImportError, "pluginmanager.consider_env()")
def test_preparse_args(self):
pluginmanager = PluginManager()
py.test.raises(ImportError, """
pluginmanager.consider_preparse(["xyz", "-p", "hello123"])
""")
def test_plugin_skip(self, testdir, monkeypatch):
testdir.makepyfile(pytest_skipping1="""
import py
py.test.skip("hello")
""")
result = testdir.runpytest("-p", "skipping1")
result.stdout.fnmatch_lines([
"*WARNING*could not import plugin*skipping1*hello*"
])
monkeypatch.setenv("PYTEST_PLUGINS", "skipping1")
result = testdir.runpytest()
result.stdout.fnmatch_lines([
"*WARNING*could not import plugin*skipping1*hello*"
])
def test_consider_env_plugin_instantiation(self, testdir, monkeypatch):
pluginmanager = PluginManager()
testdir.syspathinsert()
testdir.makepyfile(pytest_xy123="#")
monkeypatch.setitem(os.environ, 'PYTEST_PLUGINS', 'xy123')
l1 = len(pluginmanager.getplugins())
pluginmanager.consider_env()
l2 = len(pluginmanager.getplugins())
assert l2 == l1 + 1
assert pluginmanager.getplugin('pytest_xy123')
pluginmanager.consider_env()
l3 = len(pluginmanager.getplugins())
assert l2 == l3
def test_pluginmanager_ENV_startup(self, testdir, monkeypatch):
x500 = testdir.makepyfile(pytest_x500="#")
p = testdir.makepyfile("""
import py
def test_hello():
plugin = py.test.config.pluginmanager.getplugin('x500')
assert plugin is not None
""")
monkeypatch.setenv('PYTEST_PLUGINS', 'pytest_x500', prepend=",")
result = testdir.runpytest(p)
assert result.ret == 0
extra = result.stdout.fnmatch_lines(["*1 passed in*"])
def test_import_plugin_importname(self, testdir):
pluginmanager = PluginManager()
py.test.raises(ImportError, 'pluginmanager.import_plugin("x.y")')
py.test.raises(ImportError, 'pluginmanager.import_plugin("pytest_x.y")')
reset = testdir.syspathinsert()
pluginname = "pytest_hello"
testdir.makepyfile(**{pluginname: ""})
pluginmanager.import_plugin("hello")
len1 = len(pluginmanager.getplugins())
pluginmanager.import_plugin("pytest_hello")
len2 = len(pluginmanager.getplugins())
assert len1 == len2
plugin1 = pluginmanager.getplugin("pytest_hello")
assert plugin1.__name__.endswith('pytest_hello')
plugin2 = pluginmanager.getplugin("hello")
assert plugin2 is plugin1
def test_consider_module(self, testdir):
pluginmanager = PluginManager()
testdir.syspathinsert()
testdir.makepyfile(pytest_plug1="#")
testdir.makepyfile(pytest_plug2="#")
mod = py.std.new.module("temp")
mod.pytest_plugins = ["pytest_plug1", "pytest_plug2"]
pluginmanager.consider_module(mod)
assert pluginmanager.getplugin("plug1").__name__ == "pytest_plug1"
assert pluginmanager.getplugin("plug2").__name__ == "pytest_plug2"
def test_consider_module_import_module(self, testdir):
mod = py.std.new.module("x")
mod.pytest_plugins = "pytest_a"
aplugin = testdir.makepyfile(pytest_a="#")
pluginmanager = PluginManager()
reprec = testdir.getreportrecorder(pluginmanager)
#syspath.prepend(aplugin.dirpath())
py.std.sys.path.insert(0, str(aplugin.dirpath()))
pluginmanager.consider_module(mod)
call = reprec.getcall(pluginmanager.hook.pytest_plugin_registered.name)
assert call.plugin.__name__ == "pytest_a"
# check that it is not registered twice
pluginmanager.consider_module(mod)
l = reprec.getcalls("pytest_plugin_registered")
assert len(l) == 1
def test_consider_conftest_deprecated(self, testdir):
pp = PluginManager()
mod = testdir.makepyfile("class ConftestPlugin: pass").pyimport()
call = py.test.raises(ValueError, pp.consider_conftest, mod)
def test_config_sets_conftesthandle_onimport(self, testdir):
config = testdir.parseconfig([])
assert config._conftest._onimport == config._onimportconftest
def test_consider_conftest_deps(self, testdir):
mod = testdir.makepyfile("pytest_plugins='xyz'").pyimport()
pp = PluginManager()
py.test.raises(ImportError, "pp.consider_conftest(mod)")
def test_registry(self):
pp = PluginManager()
class A: pass
a1, a2 = A(), A()
pp.register(a1)
assert pp.isregistered(a1)
pp.register(a2)
assert pp.isregistered(a2)
assert pp.getplugins() == [a1, a2]
pp.unregister(a1)
assert not pp.isregistered(a1)
pp.unregister(a2)
assert not pp.isregistered(a2)
def test_register_imported_modules(self):
pp = PluginManager()
mod = py.std.new.module("x.y.pytest_hello")
pp.register(mod)
assert pp.isregistered(mod)
assert pp.getplugins() == [mod]
py.test.raises(AssertionError, "pp.register(mod)")
mod2 = py.std.new.module("pytest_hello")
#pp.register(mod2) # double registry
py.test.raises(AssertionError, "pp.register(mod)")
#assert not pp.isregistered(mod2)
assert pp.getplugins() == [mod] # does not actually modify plugins
def test_register_mismatch_method(self):
pp = PluginManager()
class hello:
def pytest_gurgel(self):
pass
py.test.raises(pp.Error, "pp.register(hello())")
def test_register_mismatch_arg(self):
pp = PluginManager()
class hello:
def pytest_configure(self, asd):
pass
excinfo = py.test.raises(pp.Error, "pp.register(hello())")
def test_canonical_importname(self):
for name in 'xyz', 'pytest_xyz', 'pytest_Xyz', 'Xyz':
impname = canonical_importname(name)
class TestPytestPluginInteractions:
def test_do_option_conftestplugin(self, testdir):
from py.__.test.config import Config
p = testdir.makepyfile("""
def pytest_addoption(parser):
parser.addoption('--test123', action="store_true")
""")
config = Config()
config._conftest.importconftest(p)
print config.pluginmanager.getplugins()
config.parse([])
assert not config.option.test123
def test_do_ext_namespace(self, testdir):
testdir.makeconftest("""
def pytest_namespace():
return {'hello': 'world'}
""")
p = testdir.makepyfile("""
from py.test import hello
import py
def test_hello():
assert hello == "world"
""")
result = testdir.runpytest(p)
result.stdout.fnmatch_lines([
"*1 passed*"
])
def test_do_option_postinitialize(self, testdir):
from py.__.test.config import Config
config = Config()
config.parse([])
config.pluginmanager.do_configure(config=config)
assert not hasattr(config.option, 'test123')
p = testdir.makepyfile("""
def pytest_addoption(parser):
parser.addoption('--test123', action="store_true",
default=True)
""")
config._conftest.importconftest(p)
assert config.option.test123
def test_configure(self, testdir):
config = testdir.parseconfig()
l = []
class A:
def pytest_configure(self, config):
l.append(self)
config.pluginmanager.register(A())
assert len(l) == 0
config.pluginmanager.do_configure(config=config)
assert len(l) == 1
config.pluginmanager.register(A()) # this should lead to a configured() plugin
assert len(l) == 2
assert l[0] != l[1]
config.pluginmanager.do_unconfigure(config=config)
config.pluginmanager.register(A())
assert len(l) == 2
# lower level API
def test_listattr(self):
pluginmanager = PluginManager()
class My2:
x = 42
pluginmanager.register(My2())
assert not pluginmanager.listattr("hello")
assert pluginmanager.listattr("x") == [42]
def test_collectattr():
class A:
def pytest_hello(self):
pass
class B(A):
def pytest_world(self):
pass
methods = py.builtin.sorted(collectattr(B))
assert list(methods) == ['pytest_hello', 'pytest_world']
methods = py.builtin.sorted(collectattr(B()))
assert list(methods) == ['pytest_hello', 'pytest_world']
@py.test.mark.xfail
def test_namespace_has_default_and_env_plugins(testdir):
p = testdir.makepyfile("""
import py
py.test.mark
""")
result = testdir.runpython(p)
assert result.ret == 0