gvsig-scripting / org.gvsig.scripting / trunk / org.gvsig.scripting / org.gvsig.scripting.app / org.gvsig.scripting.app.mainplugin / src / main / resources-plugin / scripting / lib / cssutils / tests / test_prodparser.py @ 475
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"""Testcases for cssutils.css.CSSCharsetRule"""
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__version__ = '$Id: test_csscharsetrule.py 1356 2008-07-13 17:29:09Z cthedot $'
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import sys |
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import xml.dom |
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import basetest |
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from cssutils.prodparser import * |
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from cssutils.prodparser import ParseError, Done, Exhausted, NoMatch # not in __all__ |
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class ProdTestCase(basetest.BaseTestCase): |
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def test_init(self): |
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"Prod.__init__(...)"
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p = Prod('min', lambda t, v: t == 1 and v == 2) |
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self.assertEqual(str(p), 'min') |
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self.assertEqual(p.toStore, None) |
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self.assertEqual(p.optional, False) |
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|
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p = Prod('optional', lambda t, v: True, |
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optional=True)
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self.assertEqual(p.optional, True) |
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def test_initMatch(self): |
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"Prod.__init__(...match=...)"
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p = Prod('min', lambda t, v: t == 1 and v == 2) |
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self.assertEqual(p.match(1, 2), True) |
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self.assertEqual(p.match(2, 2), False) |
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self.assertEqual(p.match(1, 1), False) |
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def test_initToSeq(self): |
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"Prod.__init__(...toSeq=...)"
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# simply saves
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p = Prod('all', lambda t, tokens: True, |
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toSeq=None)
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self.assertEqual(p.toSeq([1, 2], None), (1, 2)) # simply saves |
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self.assertEqual(p.toSeq(['s1', 's2'], None), ('s1', 's2')) # simply saves |
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# saves callback(val)
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p = Prod('all', lambda t, v: True, |
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toSeq=lambda t, tokens: (1 == t[0], 3 == t[1])) |
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self.assertEqual(p.toSeq([1, 3], None), (True, True)) |
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self.assertEqual(p.toSeq([2, 4], None), (False, False)) |
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def test_initToStore(self): |
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"Prod.__init__(...toStore=...)"
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p = Prod('all', lambda t, v: True, |
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toStore='key')
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# save as key
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s = {}
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p.toStore(s, 1)
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self.assertEqual(s['key'], 1) |
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# append to key
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s = {'key': []}
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p.toStore(s, 1)
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p.toStore(s, 2)
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self.assertEqual(s['key'], [1, 2]) |
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# callback
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def doubleToStore(key): |
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def toStore(store, item): |
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store[key] = item * 2
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return toStore
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p = Prod('all', lambda t, v: True, |
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toStore=doubleToStore('key'))
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s = {'key': []}
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p.toStore(s, 1)
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self.assertEqual(s['key'], 2) |
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def test_matches(self): |
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"Prod.matches(token)"
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p1 = Prod('p1', lambda t, v: t == 1 and v == 2) |
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p2 = Prod('p2', lambda t, v: t == 1 and v == 2, optional=True) |
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self.assertEqual(p1.matches([1, 2, 0, 0]), True) |
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self.assertEqual(p2.matches([1, 2, 0, 0]), True) |
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self.assertEqual(p1.matches([0, 0, 0, 0]), False) |
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self.assertEqual(p2.matches([0, 0, 0, 0]), False) |
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class SequenceTestCase(basetest.BaseTestCase): |
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def test_init(self): |
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"Sequence.__init__()"
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p1 = Prod('p1', lambda t, v: t == 1) |
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p2 = Prod('p2', lambda t, v: t == 2) |
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seq = Sequence(p1, p1) |
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self.assertEqual(1, seq._min) |
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self.assertEqual(1, seq._max) |
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def test_initminmax(self): |
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"Sequence.__init__(...minmax=...)"
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p1 = Prod('p1', lambda t, v: t == 1) |
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p2 = Prod('p2', lambda t, v: t == 2) |
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s = Sequence(p1, p2, minmax=lambda: (2, 3)) |
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self.assertEqual(2, s._min) |
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self.assertEqual(3, s._max) |
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s = Sequence(p1, p2, minmax=lambda: (0, None)) |
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self.assertEqual(0, s._min) |
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try:
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# py2.6/3
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m = sys.maxsize |
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except AttributeError: |
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# py<1.6
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m = sys.maxint |
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self.assertEqual(m, s._max)
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def test_optional(self): |
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"Sequence.optional"
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p1 = Prod('p1', lambda t, v: t == 1) |
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s = Sequence(p1, minmax=lambda: (1, 3)) |
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self.assertEqual(False, s.optional) |
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s = Sequence(p1, minmax=lambda: (0, 3)) |
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self.assertEqual(True, s.optional) |
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s = Sequence(p1, minmax=lambda: (0, None)) |
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self.assertEqual(True, s.optional) |
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def test_reset(self): |
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"Sequence.reset()"
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p1 = Prod('p1', lambda t, v: t == 1) |
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p2 = Prod('p2', lambda t, v: t == 2) |
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seq = Sequence(p1, p2) |
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t1 = (1, 0, 0, 0) |
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t2 = (2, 0, 0, 0) |
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self.assertEqual(p1, seq.nextProd(t1))
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self.assertEqual(p2, seq.nextProd(t2))
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self.assertRaises(Exhausted, seq.nextProd, t1)
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seq.reset() |
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self.assertEqual(p1, seq.nextProd(t1))
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def test_matches(self): |
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"Sequence.matches()"
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p1 = Prod('p1', lambda t, v: t == 1) |
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p2 = Prod('p2', lambda t, v: t == 2, optional=True) |
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t1 = (1, 0, 0, 0) |
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t2 = (2, 0, 0, 0) |
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t3 = (3, 0, 0, 0) |
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s = Sequence(p1, p2) |
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self.assertEqual(True, s.matches(t1)) |
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self.assertEqual(False, s.matches(t2)) |
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s = Sequence(p2, p1) |
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self.assertEqual(True, s.matches(t1)) |
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self.assertEqual(True, s.matches(t2)) |
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s = Sequence(Choice(p1, p2)) |
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self.assertEqual(True, s.matches(t1)) |
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self.assertEqual(True, s.matches(t2)) |
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self.assertEqual(False, s.matches(t3)) |
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def test_nextProd(self): |
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"Sequence.nextProd()"
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p1 = Prod('p1', lambda t, v: t == 1, optional=True) |
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p2 = Prod('p2', lambda t, v: t == 2) |
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t1 = (1, 0, 0, 0) |
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t2 = (2, 0, 0, 0) |
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tests = {
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# seq: list of list of (token, prod or error msg)
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(p1, ): ([(t1, p1)], |
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[(t2, 'Extra token')], # as p1 optional |
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[(t1, p1), (t1, u'Extra token')],
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[(t1, p1), (t2, u'Extra token')]
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), |
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(p2, ): ([(t2, p2)], |
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[(t2, p2), (t2, u'Extra token')],
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[(t2, p2), (t1, u'Extra token')],
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[(t1, 'Missing token for production p2')]
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), |
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(p1, p2): ([(t1, p1), (t2, p2)], |
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[(t1, p1), (t1, u'Missing token for production p2')]
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) |
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} |
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for seqitems, results in tests.items(): |
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for result in results: |
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seq = Sequence(*seqitems) |
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for t, p in result: |
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if isinstance(p, basestring): |
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self.assertRaisesMsg(ParseError, p, seq.nextProd, t)
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else:
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self.assertEqual(p, seq.nextProd(t))
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tests = {
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# seq: list of list of (token, prod or error msg)
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# as p1 optional!
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(p1, p1): ([(t1, p1)], |
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[(t1, p1), (t1, p1)], |
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[(t1, p1), (t1, p1)], |
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[(t1, p1), (t1, p1), (t1, p1)], |
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[(t1, p1), (t1, p1), (t1, p1), (t1, p1)], |
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[(t1, p1), (t1, p1), (t1, p1), (t1, p1), (t1, u'Extra token')],
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), |
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(p1, ): ([(t1, p1)], |
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[(t2, 'Extra token')],
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[(t1, p1), (t1, p1)], |
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[(t1, p1), (t2, 'Extra token')],
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[(t1, p1), (t1, p1), (t1, u'Extra token')],
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[(t1, p1), (t1, p1), (t2, u'Extra token')]
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), |
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# as p2 NOT optional
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(p2, ): ([(t2, p2)], |
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[(t1, 'Missing token for production p2')],
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[(t2, p2), (t2, p2)], |
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[(t2, p2), (t1, u'No match for (1, 0, 0, 0) in Sequence(p2)')],
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[(t2, p2), (t2, p2), (t2, u'Extra token')],
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[(t2, p2), (t2, p2), (t1, u'Extra token')]
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), |
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(p1, p2): ([(t1, p1), (t1, u'Missing token for production p2')],
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[(t2, p2), (t2, p2)], |
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[(t2, p2), (t1, p1), (t2, p2)], |
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[(t1, p1), (t2, p2), (t2, p2)], |
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[(t1, p1), (t2, p2), (t1, p1), (t2, p2)], |
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[(t2, p2), (t2, p2), (t2, u'Extra token')],
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[(t2, p2), (t1, p1), (t2, p2), (t1, 'Extra token')],
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[(t2, p2), (t1, p1), (t2, p2), (t2, 'Extra token')],
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[(t1, p1), (t2, p2), (t2, p2), (t1, 'Extra token')],
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[(t1, p1), (t2, p2), (t2, p2), (t2, 'Extra token')],
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[(t1, p1), (t2, p2), (t1, p1), (t2, p2), (t1, 'Extra token')],
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[(t1, p1), (t2, p2), (t1, p1), (t2, p2), (t2, 'Extra token')],
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) |
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} |
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for seqitems, results in tests.items(): |
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for result in results: |
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seq = Sequence(minmax=lambda: (1,2), *seqitems) |
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for t, p in result: |
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if isinstance(p, basestring): |
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self.assertRaisesMsg(ParseError, p, seq.nextProd, t)
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else:
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self.assertEqual(p, seq.nextProd(t))
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class ChoiceTestCase(basetest.BaseTestCase): |
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def test_init(self): |
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"Choice.__init__()"
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p1 = Prod('p1', lambda t, v: t == 1) |
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p2 = Prod('p2', lambda t, v: t == 2) |
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t0 = (0,0,0,0) |
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t1 = (1,0,0,0) |
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t2 = (2,0,0,0) |
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ch = Choice(p1, p2) |
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self.assertRaisesMsg(ParseError, u'No match for (0, 0, 0, 0) in Choice(p1, p2)', ch.nextProd, t0) |
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self.assertEqual(p1, ch.nextProd(t1))
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self.assertRaisesMsg(Exhausted, u'Extra token', ch.nextProd, t1) |
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ch = Choice(p1, p2) |
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self.assertEqual(p2, ch.nextProd(t2))
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self.assertRaisesMsg(Exhausted, u'Extra token', ch.nextProd, t2) |
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ch = Choice(p2, p1) |
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self.assertRaisesMsg(ParseError, 'No match for (0, 0, 0, 0) in Choice(p2, p1)', ch.nextProd, t0) |
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self.assertEqual(p1, ch.nextProd(t1))
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self.assertRaisesMsg(Exhausted, u'Extra token', ch.nextProd, t1) |
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ch = Choice(p2, p1) |
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self.assertEqual(p2, ch.nextProd(t2))
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self.assertRaisesMsg(Exhausted, u'Extra token', ch.nextProd, t2) |
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def test_matches(self): |
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"Choice.matches()"
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p1 = Prod('p1', lambda t, v: t == 1) |
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p2 = Prod('p2', lambda t, v: t == 2, optional=True) |
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t1 = (1, 0, 0, 0) |
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t2 = (2, 0, 0, 0) |
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t3 = (3, 0, 0, 0) |
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c = Choice(p1, p2) |
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self.assertEqual(True, c.matches(t1)) |
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self.assertEqual(True, c.matches(t2)) |
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self.assertEqual(False, c.matches(t3)) |
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c = Choice(Sequence(p1), Sequence(p2)) |
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self.assertEqual(True, c.matches(t1)) |
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self.assertEqual(True, c.matches(t2)) |
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self.assertEqual(False, c.matches(t3)) |
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def test_nested(self): |
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"Choice with nested Sequence"
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p1 = Prod('p1', lambda t, v: t == 1) |
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p2 = Prod('p2', lambda t, v: t == 2) |
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s1 = Sequence(p1, p1) |
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s2 = Sequence(p2, p2) |
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t0 = (0,0,0,0) |
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t1 = (1,0,0,0) |
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t2 = (2,0,0,0) |
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ch = Choice(s1, s2) |
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self.assertRaisesMsg(ParseError, u'No match for (0, 0, 0, 0) in Choice(Sequence(p1, p1), Sequence(p2, p2))', ch.nextProd, t0) |
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self.assertEqual(s1, ch.nextProd(t1))
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self.assertRaisesMsg(Exhausted, u'Extra token', ch.nextProd, t1) |
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ch = Choice(s1, s2) |
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self.assertEqual(s2, ch.nextProd(t2))
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self.assertRaisesMsg(Exhausted, u'Extra token', ch.nextProd, t1) |
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def test_reset(self): |
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"Choice.reset()"
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p1 = Prod('p1', lambda t, v: t == 1) |
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p2 = Prod('p2', lambda t, v: t == 2) |
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t1 = (1,0,0,0) |
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t2 = (2,0,0,0) |
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ch = Choice(p1, p2) |
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self.assertEqual(p1, ch.nextProd(t1))
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self.assertRaises(Exhausted, ch.nextProd, t1)
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ch.reset() |
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self.assertEqual(p2, ch.nextProd(t2))
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class ProdParserTestCase(basetest.BaseTestCase): |
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|
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def setUp(self): |
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pass
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def test_parse_keepS(self): |
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"ProdParser.parse(keepS)"
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p = ProdParser() |
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# text, name, productions, store=None
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prods = lambda: Sequence(PreDef.char(';', u';'), |
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PreDef.char(':', u':') |
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) |
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w, seq, store, unused = p.parse('; :', 'test', prods(), |
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keepS=True)
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self.assertTrue(w)
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self.assertEqual(3, len(seq)) |
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w, seq, store, unused = p.parse('; :', 'test', prods(), |
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keepS=False)
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self.assertTrue(w)
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self.assertEqual(2, len(seq)) |
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|
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def test_combi(self): |
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"ProdParser.parse() 2"
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p1 = Prod('p1', lambda t, v: v == '1') |
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p2 = Prod('p2', lambda t, v: v == '2') |
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p3 = Prod('p3', lambda t, v: v == '3') |
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tests = {'1 2': True,
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'1 2 1 2': True, |
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'3': True, |
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#'': 'No match in Choice(Sequence(p1, p2), p3)',
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'1': 'Missing token for production p2', |
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'1 2 1': 'Missing token for production p2', |
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'1 2 1 2 x': "No match: ('IDENT', 'x', 1, 9)", |
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'1 2 1 2 1': "No match: ('NUMBER', '1', 1, 9)", |
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'3 x': "No match: ('IDENT', 'x', 1, 3)", |
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'3 3': "No match: ('NUMBER', '3', 1, 3)", |
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} |
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for text, exp in tests.items(): |
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prods = Choice(Sequence(p1, p2, minmax=lambda: (1,2)), |
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p3) |
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if exp is True: |
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wellformed, seq, store, unused = ProdParser().parse(text, 'T', prods)
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self.assertEqual(wellformed, exp)
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else:
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self.assertRaisesMsg(xml.dom.SyntaxErr, u'T: %s' % exp, |
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ProdParser().parse, text, 'T', prods)
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tests = {'1 3': True,
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'1 1 3': True, |
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'2 3': True, |
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'1': 'Missing token for production p3', |
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'1 1': 'Missing token for production p3', |
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'1 3 3': "No match: ('NUMBER', '3', 1, 5)", |
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'1 1 3 3': "No match: ('NUMBER', '3', 1, 7)", |
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'2 3 3': "No match: ('NUMBER', '3', 1, 5)", |
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'2': 'Missing token for production p3', |
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'3': "Missing token for production Choice(Sequence(p1), p2): ('NUMBER', '3', 1, 1)", |
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} |
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for text, exp in tests.items(): |
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prods = Sequence(Choice(Sequence(p1, minmax=lambda: (1,2)), |
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p2), |
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p3) |
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if exp is True: |
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wellformed, seq, store, unused = ProdParser().parse(text, 'T', prods)
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self.assertEqual(wellformed, exp)
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else:
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self.assertRaisesMsg(xml.dom.SyntaxErr, u'T: %s' % exp, |
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ProdParser().parse, text, 'T', prods)
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if __name__ == '__main__': |
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import unittest |
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unittest.main() |