379 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			379 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			Python
		
	
	
	
# -*- coding: utf-8 -*-
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from __future__ import absolute_import, division, print_function
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import os
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import py.path
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import pytest
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import sys
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import _pytest.pytester as pytester
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from _pytest.pytester import HookRecorder
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from _pytest.pytester import CwdSnapshot, SysModulesSnapshot, SysPathsSnapshot
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from _pytest.config import PytestPluginManager
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from _pytest.main import EXIT_OK, EXIT_TESTSFAILED
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def test_make_hook_recorder(testdir):
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    item = testdir.getitem("def test_func(): pass")
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    recorder = testdir.make_hook_recorder(item.config.pluginmanager)
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    assert not recorder.getfailures()
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    pytest.xfail("internal reportrecorder tests need refactoring")
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    class rep(object):
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        excinfo = None
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        passed = False
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        failed = True
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        skipped = False
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        when = "call"
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    recorder.hook.pytest_runtest_logreport(report=rep)
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    failures = recorder.getfailures()
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    assert failures == [rep]
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    failures = recorder.getfailures()
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    assert failures == [rep]
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    class rep(object):
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        excinfo = None
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        passed = False
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        failed = False
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        skipped = True
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        when = "call"
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    rep.passed = False
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    rep.skipped = True
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    recorder.hook.pytest_runtest_logreport(report=rep)
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    modcol = testdir.getmodulecol("")
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    rep = modcol.config.hook.pytest_make_collect_report(collector=modcol)
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    rep.passed = False
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    rep.failed = True
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    rep.skipped = False
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    recorder.hook.pytest_collectreport(report=rep)
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    passed, skipped, failed = recorder.listoutcomes()
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    assert not passed and skipped and failed
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    numpassed, numskipped, numfailed = recorder.countoutcomes()
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    assert numpassed == 0
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    assert numskipped == 1
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    assert numfailed == 1
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    assert len(recorder.getfailedcollections()) == 1
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    recorder.unregister()
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    recorder.clear()
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    recorder.hook.pytest_runtest_logreport(report=rep)
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    pytest.raises(ValueError, "recorder.getfailures()")
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def test_parseconfig(testdir):
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    config1 = testdir.parseconfig()
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    config2 = testdir.parseconfig()
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    assert config2 != config1
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    assert config1 != pytest.config
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def test_testdir_runs_with_plugin(testdir):
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    testdir.makepyfile("""
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        pytest_plugins = "pytester"
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        def test_hello(testdir):
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            assert 1
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    """)
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    result = testdir.runpytest()
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    result.assert_outcomes(passed=1)
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def make_holder():
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    class apiclass(object):
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        def pytest_xyz(self, arg):
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            "x"
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        def pytest_xyz_noarg(self):
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            "x"
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    apimod = type(os)('api')
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    def pytest_xyz(arg):
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        "x"
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    def pytest_xyz_noarg():
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        "x"
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    apimod.pytest_xyz = pytest_xyz
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    apimod.pytest_xyz_noarg = pytest_xyz_noarg
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    return apiclass, apimod
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@pytest.mark.parametrize("holder", make_holder())
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def test_hookrecorder_basic(holder):
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    pm = PytestPluginManager()
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    pm.addhooks(holder)
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    rec = HookRecorder(pm)
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    pm.hook.pytest_xyz(arg=123)
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    call = rec.popcall("pytest_xyz")
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    assert call.arg == 123
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    assert call._name == "pytest_xyz"
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    pytest.raises(pytest.fail.Exception, "rec.popcall('abc')")
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    pm.hook.pytest_xyz_noarg()
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    call = rec.popcall("pytest_xyz_noarg")
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    assert call._name == "pytest_xyz_noarg"
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def test_makepyfile_unicode(testdir):
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    global unichr
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    try:
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        unichr(65)
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    except NameError:
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        unichr = chr
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    testdir.makepyfile(unichr(0xfffd))
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def test_makepyfile_utf8(testdir):
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    """Ensure makepyfile accepts utf-8 bytes as input (#2738)"""
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    utf8_contents = u"""
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        def setup_function(function):
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            mixed_encoding = u'São Paulo'
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    """.encode('utf-8')
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    p = testdir.makepyfile(utf8_contents)
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    assert u"mixed_encoding = u'São Paulo'".encode('utf-8') in p.read('rb')
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class TestInlineRunModulesCleanup(object):
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    def test_inline_run_test_module_not_cleaned_up(self, testdir):
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        test_mod = testdir.makepyfile("def test_foo(): assert True")
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        result = testdir.inline_run(str(test_mod))
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        assert result.ret == EXIT_OK
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        # rewrite module, now test should fail if module was re-imported
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        test_mod.write("def test_foo(): assert False")
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        result2 = testdir.inline_run(str(test_mod))
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        assert result2.ret == EXIT_TESTSFAILED
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    def spy_factory(self):
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        class SysModulesSnapshotSpy(object):
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            instances = []
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            def __init__(self, preserve=None):
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                SysModulesSnapshotSpy.instances.append(self)
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                self._spy_restore_count = 0
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                self._spy_preserve = preserve
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                self.__snapshot = SysModulesSnapshot(preserve=preserve)
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            def restore(self):
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                self._spy_restore_count += 1
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                return self.__snapshot.restore()
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        return SysModulesSnapshotSpy
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    def test_inline_run_taking_and_restoring_a_sys_modules_snapshot(
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            self, testdir, monkeypatch):
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        spy_factory = self.spy_factory()
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        monkeypatch.setattr(pytester, "SysModulesSnapshot", spy_factory)
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        original = dict(sys.modules)
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        testdir.syspathinsert()
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        testdir.makepyfile(import1="# you son of a silly person")
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        testdir.makepyfile(import2="# my hovercraft is full of eels")
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        test_mod = testdir.makepyfile("""
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            import import1
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            def test_foo(): import import2""")
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        testdir.inline_run(str(test_mod))
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        assert len(spy_factory.instances) == 1
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        spy = spy_factory.instances[0]
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        assert spy._spy_restore_count == 1
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        assert sys.modules == original
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        assert all(sys.modules[x] is original[x] for x in sys.modules)
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    def test_inline_run_sys_modules_snapshot_restore_preserving_modules(
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            self, testdir, monkeypatch):
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        spy_factory = self.spy_factory()
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        monkeypatch.setattr(pytester, "SysModulesSnapshot", spy_factory)
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        test_mod = testdir.makepyfile("def test_foo(): pass")
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        testdir.inline_run(str(test_mod))
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        spy = spy_factory.instances[0]
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        assert not spy._spy_preserve("black_knight")
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        assert spy._spy_preserve("zope")
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        assert spy._spy_preserve("zope.interface")
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        assert spy._spy_preserve("zopelicious")
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    def test_external_test_module_imports_not_cleaned_up(self, testdir):
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        testdir.syspathinsert()
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        testdir.makepyfile(imported="data = 'you son of a silly person'")
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        import imported
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        test_mod = testdir.makepyfile("""
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            def test_foo():
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                import imported
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                imported.data = 42""")
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        testdir.inline_run(str(test_mod))
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        assert imported.data == 42
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def test_inline_run_clean_sys_paths(testdir):
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    def test_sys_path_change_cleanup(self, testdir):
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        test_path1 = testdir.tmpdir.join("boink1").strpath
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        test_path2 = testdir.tmpdir.join("boink2").strpath
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        test_path3 = testdir.tmpdir.join("boink3").strpath
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        sys.path.append(test_path1)
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        sys.meta_path.append(test_path1)
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        original_path = list(sys.path)
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        original_meta_path = list(sys.meta_path)
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        test_mod = testdir.makepyfile("""
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            import sys
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            sys.path.append({:test_path2})
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            sys.meta_path.append({:test_path2})
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            def test_foo():
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                sys.path.append({:test_path3})
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                sys.meta_path.append({:test_path3})""".format(locals()))
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        testdir.inline_run(str(test_mod))
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        assert sys.path == original_path
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        assert sys.meta_path == original_meta_path
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    def spy_factory(self):
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        class SysPathsSnapshotSpy(object):
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            instances = []
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            def __init__(self):
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                SysPathsSnapshotSpy.instances.append(self)
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                self._spy_restore_count = 0
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                self.__snapshot = SysPathsSnapshot()
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            def restore(self):
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                self._spy_restore_count += 1
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                return self.__snapshot.restore()
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        return SysPathsSnapshotSpy
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    def test_inline_run_taking_and_restoring_a_sys_paths_snapshot(
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            self, testdir, monkeypatch):
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        spy_factory = self.spy_factory()
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        monkeypatch.setattr(pytester, "SysPathsSnapshot", spy_factory)
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        test_mod = testdir.makepyfile("def test_foo(): pass")
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        testdir.inline_run(str(test_mod))
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        assert len(spy_factory.instances) == 1
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        spy = spy_factory.instances[0]
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        assert spy._spy_restore_count == 1
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def test_assert_outcomes_after_pytest_error(testdir):
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    testdir.makepyfile("def test_foo(): assert True")
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    result = testdir.runpytest('--unexpected-argument')
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    with pytest.raises(ValueError, message="Pytest terminal report not found"):
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        result.assert_outcomes(passed=0)
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def test_cwd_snapshot(tmpdir):
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    foo = tmpdir.ensure('foo', dir=1)
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    bar = tmpdir.ensure('bar', dir=1)
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    foo.chdir()
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    snapshot = CwdSnapshot()
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    bar.chdir()
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    assert py.path.local() == bar
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    snapshot.restore()
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    assert py.path.local() == foo
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class TestSysModulesSnapshot(object):
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    key = 'my-test-module'
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    def test_remove_added(self):
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        original = dict(sys.modules)
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        assert self.key not in sys.modules
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        snapshot = SysModulesSnapshot()
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        sys.modules[self.key] = 'something'
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        assert self.key in sys.modules
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        snapshot.restore()
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        assert sys.modules == original
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    def test_add_removed(self, monkeypatch):
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        assert self.key not in sys.modules
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        monkeypatch.setitem(sys.modules, self.key, 'something')
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        assert self.key in sys.modules
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        original = dict(sys.modules)
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        snapshot = SysModulesSnapshot()
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        del sys.modules[self.key]
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        assert self.key not in sys.modules
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        snapshot.restore()
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        assert sys.modules == original
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    def test_restore_reloaded(self, monkeypatch):
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        assert self.key not in sys.modules
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        monkeypatch.setitem(sys.modules, self.key, 'something')
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        assert self.key in sys.modules
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        original = dict(sys.modules)
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        snapshot = SysModulesSnapshot()
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        sys.modules[self.key] = 'something else'
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        snapshot.restore()
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        assert sys.modules == original
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    def test_preserve_modules(self, monkeypatch):
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        key = [self.key + str(i) for i in range(3)]
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        assert not any(k in sys.modules for k in key)
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        for i, k in enumerate(key):
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            monkeypatch.setitem(sys.modules, k, 'something' + str(i))
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        original = dict(sys.modules)
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        def preserve(name):
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            return name in (key[0], key[1], 'some-other-key')
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        snapshot = SysModulesSnapshot(preserve=preserve)
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        sys.modules[key[0]] = original[key[0]] = 'something else0'
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        sys.modules[key[1]] = original[key[1]] = 'something else1'
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        sys.modules[key[2]] = 'something else2'
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        snapshot.restore()
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        assert sys.modules == original
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    def test_preserve_container(self, monkeypatch):
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        original = dict(sys.modules)
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        assert self.key not in original
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        replacement = dict(sys.modules)
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        replacement[self.key] = 'life of brian'
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        snapshot = SysModulesSnapshot()
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        monkeypatch.setattr(sys, 'modules', replacement)
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        snapshot.restore()
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        assert sys.modules is replacement
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        assert sys.modules == original
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@pytest.mark.parametrize('path_type', ('path', 'meta_path'))
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class TestSysPathsSnapshot(object):
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    other_path = {
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        'path': 'meta_path',
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        'meta_path': 'path'}
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    @staticmethod
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    def path(n):
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        return 'my-dirty-little-secret-' + str(n)
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    def test_restore(self, monkeypatch, path_type):
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        other_path_type = self.other_path[path_type]
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        for i in range(10):
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            assert self.path(i) not in getattr(sys, path_type)
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        sys_path = [self.path(i) for i in range(6)]
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        monkeypatch.setattr(sys, path_type, sys_path)
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        original = list(sys_path)
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        original_other = list(getattr(sys, other_path_type))
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        snapshot = SysPathsSnapshot()
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        transformation = {
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            'source': (0, 1, 2,    3, 4, 5),
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            'target': (   6, 2, 9, 7,    5, 8)}  # noqa: E201
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        assert sys_path == [self.path(x) for x in transformation['source']]
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        sys_path[1] = self.path(6)
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        sys_path[3] = self.path(7)
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        sys_path.append(self.path(8))
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        del sys_path[4]
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        sys_path[3:3] = [self.path(9)]
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        del sys_path[0]
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        assert sys_path == [self.path(x) for x in transformation['target']]
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        snapshot.restore()
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        assert getattr(sys, path_type) is sys_path
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        assert getattr(sys, path_type) == original
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        assert getattr(sys, other_path_type) == original_other
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    def test_preserve_container(self, monkeypatch, path_type):
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        other_path_type = self.other_path[path_type]
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        original_data = list(getattr(sys, path_type))
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        original_other = getattr(sys, other_path_type)
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        original_other_data = list(original_other)
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        new = []
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        snapshot = SysPathsSnapshot()
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        monkeypatch.setattr(sys, path_type, new)
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        snapshot.restore()
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        assert getattr(sys, path_type) is new
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        assert getattr(sys, path_type) == original_data
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        assert getattr(sys, other_path_type) is original_other
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        assert getattr(sys, other_path_type) == original_other_data
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