def test_GIVEN_exeunt_statement_WHEN_parsing_stage_control_THEN_no_parse_error(
self):
tokens = [
Token(TokenTypes.OpenSqBracket),
Token(TokenTypes.Exeunt),
Token(TokenTypes.CloseSqBracket),
Token(TokenTypes.Eof),
]
parser = Parser(t for t in tokens)
parser.stagecontrol()
def test_GIVEN_enter_statement_with_one_character_WHEN_parsing_stage_control_THEN_no_parse_error(
self):
tokens = [
Token(TokenTypes.OpenSqBracket),
Token(TokenTypes.Enter),
Token(TokenTypes.Name, "A"),
Token(TokenTypes.CloseSqBracket),
Token(TokenTypes.Eof),
]
parser = Parser(t for t in tokens)
parser.stagecontrol()
def test_GIVEN_enter_statement_with_no_characters_WHEN_parsing_stage_control_THEN_parse_error(
self):
tokens = [
Token(TokenTypes.OpenSqBracket),
Token(TokenTypes.Enter),
Token(TokenTypes.CloseSqBracket),
Token(TokenTypes.Eof),
]
parser = Parser(t for t in tokens)
with self.assertRaises(SPLSyntaxError):
parser.stagecontrol()
def test_GIVEN_a_character_not_on_stage_WHEN_that_character_leaves_THEN_parse_error(
self):
tokens = [
Token(TokenTypes.OpenSqBracket),
Token(TokenTypes.Exit),
Token(TokenTypes.Name, "A"),
Token(TokenTypes.CloseSqBracket),
Token(TokenTypes.Eof),
]
parser = Parser(t for t in tokens)
with self.assertRaises(SPLSyntaxError):
parser.stagecontrol()
def test_GIVEN_a_character_on_stage_WHEN_that_character_leaves_THEN_no_parse_error(
self):
tokens = [
Token(TokenTypes.OpenSqBracket),
Token(TokenTypes.Exit),
Token(TokenTypes.Name, "A"),
Token(TokenTypes.CloseSqBracket),
Token(TokenTypes.Eof),
]
parser = Parser(t for t in tokens)
parser.onstage = ["A"]
parser.stagecontrol()
def test_GIVEN_many_characters_on_stage_WHEN_exeunt_THEN_noone_left_on_stage(
self):
tokens = [
Token(TokenTypes.OpenSqBracket),
Token(TokenTypes.Exeunt),
Token(TokenTypes.CloseSqBracket),
Token(TokenTypes.Eof),
]
parser = Parser(t for t in tokens)
parser.onstage = ["A", "B", "C", "D"]
parser.stagecontrol()
self.assertEqual(parser.onstage, [])