def test_parsing(self):
"""pathrender: pattern parsing"""
pattern = Pattern(u"{$Disc.}$Track - $Artist - $Title{ [$Year]}")
expected = [
_pr._OptionalBlock(
[_pr._Replacement(u"$Disc"),
_pr._LiteralText(u".")]),
_pr._Replacement(u"$Track"),
_pr._LiteralText(u" - "),
_pr._Replacement(u"$Artist"),
_pr._LiteralText(u" - "),
_pr._Replacement(u"$Title"),
_pr._OptionalBlock([
_pr._LiteralText(u" ["),
_pr._Replacement(u"$Year"),
_pr._LiteralText(u"]")
])
]
self.assertEqual(expected, pattern._pattern)
self.assertItemsEqual([], pattern.warnings)
def test_parsing(self):
"""pathrender: pattern parsing"""
pattern = Pattern(u"{$Disc.}$Track - $Artist - $Title{ [$Year]}")
expected = [
_pr._OptionalBlock([
_pr._Replacement(u"$Disc"),
_pr._LiteralText(u".")
]),
_pr._Replacement(u"$Track"),
_pr._LiteralText(u" - "),
_pr._Replacement(u"$Artist"),
_pr._LiteralText(u" - "),
_pr._Replacement(u"$Title"),
_pr._OptionalBlock([
_pr._LiteralText(u" ["),
_pr._Replacement(u"$Year"),
_pr._LiteralText(u"]")
])
]
self.assertEqual(expected, pattern._pattern)
self.assertItemsEqual([], pattern.warnings)
def test_optional(self):
"""pathrender: _OptionalBlock element processing"""
o = _pr._OptionalBlock(
[_pr._Replacement(u"$Title"),
_pr._LiteralText(u".foobar")])
subst = {'$Title': 'foo', '$Track': 'bar'}
res = o.render(subst)
self.assertEqual(res, u'foo.foobar', 'check non-empty replacement')
subst = {'$Title': ''}
res = o.render(subst)
self.assertEqual(res, '', 'check empty replacement')
subst = {'$Title': None}
res = o.render(subst)
self.assertEqual(res, '', 'check render() works with None')
def test_optional(self):
"""pathrender: _OptionalBlock element processing"""
o = _pr._OptionalBlock([
_pr._Replacement(u"$Title"),
_pr._LiteralText(u".foobar")
])
subst = {'$Title': 'foo', '$Track': 'bar'}
res = o.render(subst)
self.assertEqual(res, u'foo.foobar', 'check non-empty replacement')
subst = {'$Title': ''}
res = o.render(subst)
self.assertEqual(res, '', 'check empty replacement')
subst = {'$Title': None}
res = o.render(subst)
self.assertEqual(res, '', 'check render() works with None')