def test_charClass(self):
g = VisualRegexGrammar()
self._parseStringTest(g.charClass(), '\\A', Schema.CharClass(cls='A'))
self._parseStringTest(g.charClass(), '\\b', Schema.CharClass(cls='b'))
self._parseStringTest(g.charClass(), '\\B', Schema.CharClass(cls='B'))
self._parseStringTest(g.charClass(), '\\d', Schema.CharClass(cls='d'))
self._parseStringTest(g.charClass(), '\\D', Schema.CharClass(cls='D'))
self._parseStringTest(g.charClass(), '\\s', Schema.CharClass(cls='s'))
self._parseStringTest(g.charClass(), '\\S', Schema.CharClass(cls='S'))
self._parseStringTest(g.charClass(), '\\w', Schema.CharClass(cls='w'))
self._parseStringTest(g.charClass(), '\\W', Schema.CharClass(cls='W'))
self._parseStringTest(g.charClass(), '\\Z', Schema.CharClass(cls='Z'))
def test_regex(self):
g = VisualRegexGrammar()
self._parseStringTest(g.regex(), 'a', Schema.LiteralChar(char='a'))
self._parseStringTest(
g.regex(), 'abc|def',
Schema.Choice(subexps=[
Schema.Sequence(subexps=[
Schema.LiteralChar(char='a'),
Schema.LiteralChar(char='b'),
Schema.LiteralChar(char='c')
]),
Schema.Sequence(subexps=[
Schema.LiteralChar(char='d'),
Schema.LiteralChar(char='e'),
Schema.LiteralChar(char='f')
])
]))
self._parseStringTest(
g.regex(), r'[\w\-][\w\-\.]+@[\w\-][\w\-\.]+[a-zA-Z]{1,4}',
Schema.Sequence(subexps=[
Schema.CharSet(items=[
Schema.CharSetChar(char=Schema.CharClass(cls='w')),
Schema.CharSetChar(char=Schema.EscapedChar(char='-'))
]),
Schema.OneOrMore(subexp=Schema.CharSet(items=[
Schema.CharSetChar(char=Schema.CharClass(cls='w')),
Schema.CharSetChar(char=Schema.EscapedChar(char='-')),
Schema.CharSetChar(char=Schema.EscapedChar(char='.'))
])),
Schema.LiteralChar(char='@'),
Schema.CharSet(items=[
Schema.CharSetChar(char=Schema.CharClass(cls='w')),
Schema.CharSetChar(char=Schema.EscapedChar(char='-'))
]),
Schema.OneOrMore(subexp=Schema.CharSet(items=[
Schema.CharSetChar(char=Schema.CharClass(cls='w')),
Schema.CharSetChar(char=Schema.EscapedChar(char='-')),
Schema.CharSetChar(char=Schema.EscapedChar(char='.'))
])),
Schema.RepeatRange(subexp=Schema.CharSet(items=[
Schema.CharSetRange(min=Schema.LiteralChar(char='a'),
max=Schema.LiteralChar(char='z')),
Schema.CharSetRange(min=Schema.LiteralChar(char='A'),
max=Schema.LiteralChar(char='Z'))
]),
min='1',
max='4',
greedy='1')
]))
def test_sequence(self):
g = VisualRegexGrammar()
self._parseStringTest(
g.sequence(), 'abc',
Schema.Sequence(subexps=[
Schema.LiteralChar(char='a'),
Schema.LiteralChar(char='b'),
Schema.LiteralChar(char='c')
]))
self._parseStringTest(
g.sequence(), 'a*bc',
Schema.Sequence(subexps=[
Schema.ZeroOrMore(subexp=Schema.LiteralChar(char='a')),
Schema.LiteralChar(char='b'),
Schema.LiteralChar(char='c')
]))
self._parseStringTest(
g.sequence(), 'ab*c',
Schema.Sequence(subexps=[
Schema.LiteralChar(char='a'),
Schema.ZeroOrMore(subexp=Schema.LiteralChar(char='b')),
Schema.LiteralChar(char='c')
]))
self._parseStringTest(
g.sequence(), 'abc*',
Schema.Sequence(subexps=[
Schema.LiteralChar(char='a'),
Schema.LiteralChar(char='b'),
Schema.ZeroOrMore(subexp=Schema.LiteralChar(char='c'))
]))
self._parseStringTest(
g.sequence(), '[a-z]bc',
Schema.Sequence(subexps=[
Schema.CharSet(items=[
Schema.CharSetRange(min=Schema.LiteralChar(char='a'),
max=Schema.LiteralChar(char='z'))
]),
Schema.LiteralChar(char='b'),
Schema.LiteralChar(char='c')
]))
self._parseStringTest(
g.sequence(), '\\wbc*',
Schema.Sequence(subexps=[
Schema.CharClass(cls='w'),
Schema.LiteralChar(char='b'),
Schema.ZeroOrMore(subexp=Schema.LiteralChar(char='c'))
]))
def charClass(self):
return (Literal('\\') + RegEx('[AbBdDsSwWZ]')).action(
lambda input, begin, end, x, bindings: Schema.CharClass(cls=x[1]))