from __future__ import with_statement import py, pytest from _pytest import config as parseopt from textwrap import dedent class TestParser: def test_no_help_by_default(self, capsys): parser = parseopt.Parser(usage="xyz") pytest.raises(SystemExit, 'parser.parse(["-h"])') out, err = capsys.readouterr() assert err.find("error: unrecognized arguments") != -1 def test_argument(self): with pytest.raises(parseopt.ArgumentError): # need a short or long option argument = parseopt.Argument() argument = parseopt.Argument('-t') assert argument._short_opts == ['-t'] assert argument._long_opts == [] assert argument.dest == 't' argument = parseopt.Argument('-t', '--test') assert argument._short_opts == ['-t'] assert argument._long_opts == ['--test'] assert argument.dest == 'test' argument = parseopt.Argument('-t', '--test', dest='abc') assert argument.dest == 'abc' def test_argument_type(self): argument = parseopt.Argument('-t', dest='abc', type='int') assert argument.type is int argument = parseopt.Argument('-t', dest='abc', type='string') assert argument.type is str argument = parseopt.Argument('-t', dest='abc', type=float) assert argument.type is float with pytest.raises(KeyError): argument = parseopt.Argument('-t', dest='abc', type='choice') argument = parseopt.Argument('-t', dest='abc', type='choice', choices=['red', 'blue']) assert argument.type is str def test_argument_processopt(self): argument = parseopt.Argument('-t', type=int) argument.default = 42 argument.dest = 'abc' res = argument.attrs() assert res['default'] == 42 assert res['dest'] == 'abc' def test_group_add_and_get(self): parser = parseopt.Parser() group = parser.getgroup("hello", description="desc") assert group.name == "hello" assert group.description == "desc" def test_getgroup_simple(self): parser = parseopt.Parser() group = parser.getgroup("hello", description="desc") assert group.name == "hello" assert group.description == "desc" group2 = parser.getgroup("hello") assert group2 is group def test_group_ordering(self): parser = parseopt.Parser() group0 = parser.getgroup("1") group1 = parser.getgroup("2") group1 = parser.getgroup("3", after="1") groups = parser._groups groups_names = [x.name for x in groups] assert groups_names == list("132") def test_group_addoption(self): group = parseopt.OptionGroup("hello") group.addoption("--option1", action="store_true") assert len(group.options) == 1 assert isinstance(group.options[0], parseopt.Argument) def test_group_shortopt_lowercase(self): parser = parseopt.Parser() group = parser.getgroup("hello") pytest.raises(ValueError, """ group.addoption("-x", action="store_true") """) assert len(group.options) == 0 group._addoption("-x", action="store_true") assert len(group.options) == 1 def test_parser_addoption(self): parser = parseopt.Parser() group = parser.getgroup("custom options") assert len(group.options) == 0 group.addoption("--option1", action="store_true") assert len(group.options) == 1 def test_parse(self): parser = parseopt.Parser() parser.addoption("--hello", dest="hello", action="store") args = parser.parse(['--hello', 'world']) assert args.hello == "world" assert not getattr(args, parseopt.Config._file_or_dir) def test_parse2(self): parser = parseopt.Parser() args = parser.parse([py.path.local()]) assert getattr(args, parseopt.Config._file_or_dir)[0] == py.path.local() def test_parse_will_set_default(self): parser = parseopt.Parser() parser.addoption("--hello", dest="hello", default="x", action="store") option = parser.parse([]) assert option.hello == "x" del option.hello args = parser.parse_setoption([], option) assert option.hello == "x" def test_parse_setoption(self): parser = parseopt.Parser() parser.addoption("--hello", dest="hello", action="store") parser.addoption("--world", dest="world", default=42) class A: pass option = A() args = parser.parse_setoption(['--hello', 'world'], option) assert option.hello == "world" assert option.world == 42 assert not args def test_parse_special_destination(self): parser = parseopt.Parser() x = parser.addoption("--ultimate-answer", type=int) args = parser.parse(['--ultimate-answer', '42']) assert args.ultimate_answer == 42 def test_parse_split_positional_arguments(self): parser = parseopt.Parser() parser.addoption("-R", action='store_true') parser.addoption("-S", action='store_false') args = parser.parse(['-R', '4', '2', '-S']) assert getattr(args, parseopt.Config._file_or_dir) == ['4', '2'] args = parser.parse(['-R', '-S', '4', '2', '-R']) assert getattr(args, parseopt.Config._file_or_dir) == ['4', '2'] assert args.R == True assert args.S == False args = parser.parse(['-R', '4', '-S', '2']) assert getattr(args, parseopt.Config._file_or_dir) == ['4', '2'] assert args.R == True assert args.S == False def test_parse_defaultgetter(self): def defaultget(option): if not hasattr(option, 'type'): return if option.type is int: option.default = 42 elif option.type is str: option.default = "world" parser = parseopt.Parser(processopt=defaultget) parser.addoption("--this", dest="this", type="int", action="store") parser.addoption("--hello", dest="hello", type="string", action="store") parser.addoption("--no", dest="no", action="store_true") option = parser.parse([]) assert option.hello == "world" assert option.this == 42 assert option.no is False @pytest.mark.skipif("sys.version_info < (2,5)") def test_addoption_parser_epilog(testdir): testdir.makeconftest(""" def pytest_addoption(parser): parser.hints.append("hello world") parser.hints.append("from me too") """) result = testdir.runpytest('--help') #assert result.ret != 0 result.stdout.fnmatch_lines(["hint: hello world", "hint: from me too"]) @pytest.mark.skipif("sys.version_info < (2,5)") def test_argcomplete(testdir): if not py.path.local.sysfind('bash'): pytest.skip("bash not available") import os script = os.path.join(os.getcwd(), 'test_argcomplete') with open(str(script), 'w') as fp: # redirect output from argcomplete to stdin and stderr is not trivial # http://stackoverflow.com/q/12589419/1307905 # so we use bash fp.write('COMP_WORDBREAKS="$COMP_WORDBREAKS" $(which py.test) ' '8>&1 9>&2') os.environ['_ARGCOMPLETE'] = "1" os.environ['_ARGCOMPLETE_IFS'] = "\x0b" os.environ['COMP_WORDBREAKS'] = ' \\t\\n"\\\'><=;|&(:' arg = '--fu' os.environ['COMP_LINE'] = "py.test " + arg os.environ['COMP_POINT'] = str(len(os.environ['COMP_LINE'])) result = testdir.run('bash', str(script), arg) print dir(result), result.ret if result.ret == 255: # argcomplete not found pytest.skip("argcomplete not available") else: result.stdout.fnmatch_lines(["--funcargs", "--fulltrace"]) os.mkdir('test_argcomplete.d') arg = 'test_argc' os.environ['COMP_LINE'] = "py.test " + arg os.environ['COMP_POINT'] = str(len(os.environ['COMP_LINE'])) result = testdir.run('bash', str(script), arg) result.stdout.fnmatch_lines(["test_argcomplete", "test_argcomplete.d/"])