import sys, py

class TestGeneralUsage:
    def test_config_error(self, testdir):
        testdir.makeconftest("""
            def pytest_configure(config):
                raise config.Error("hello")
        """)
        result = testdir.runpytest(testdir.tmpdir)
        assert result.ret != 0
        assert result.stderr.fnmatch_lines([
            '*ERROR: hello'
        ])

    def test_config_preparse_plugin_option(self, testdir):
        testdir.makepyfile(pytest_xyz="""
            def pytest_addoption(parser):
                parser.addoption("--xyz", dest="xyz", action="store")
        """)
        testdir.makepyfile(test_one="""
            import py
            def test_option():
                assert py.test.config.option.xyz == "123"
        """)
        result = testdir.runpytest("-p", "xyz", "--xyz=123")
        assert result.ret == 0
        assert result.stdout.fnmatch_lines([
            '*1 passed*',
        ])

    def test_basetemp(self, testdir):
        mytemp = testdir.tmpdir.mkdir("mytemp")
        p = testdir.makepyfile("""
            import py
            def test_1(): 
                py.test.ensuretemp('xyz')
        """)
        result = testdir.runpytest(p, '--basetemp=%s' %mytemp)
        assert result.ret == 0
        assert mytemp.join('xyz').check(dir=1)
                
    def test_assertion_magic(self, testdir):
        p = testdir.makepyfile("""
            def test_this():
                x = 0
                assert x
        """)
        result = testdir.runpytest(p)
        extra = result.stdout.fnmatch_lines([
            ">       assert x", 
            "E       assert 0",
        ])
        assert result.ret == 1

    def test_nested_import_error(self, testdir):
        p = testdir.makepyfile("""
                import import_fails
                def test_this():
                    assert import_fails.a == 1
        """)
        testdir.makepyfile(import_fails="import does_not_work")
        result = testdir.runpytest(p)
        extra = result.stdout.fnmatch_lines([
            ">   import import_fails",
            "E   ImportError: No module named does_not_work",
        ])
        assert result.ret == 1

    def test_not_collectable_arguments(self, testdir):
        p1 = testdir.makepyfile("")
        p2 = testdir.makefile(".pyc", "123")
        result = testdir.runpytest(p1, p2)
        assert result.ret != 0
        assert result.stderr.fnmatch_lines([
            "*ERROR: can't collect: %s" %(p2,)
        ])


    def test_earlyinit(self, testdir):
        p = testdir.makepyfile("""
            import py
            assert hasattr(py.test, 'mark')
        """)
        result = testdir._run(sys.executable, p)
        assert result.ret == 0

    def test_pydoc(self, testdir):
        result = testdir._run(sys.executable, "-c", "import py ; help(py.test)")
        assert result.ret == 0
        s = result.stdout.str()
        assert 'MarkGenerator' in s