def test_parseNameTree(self):
defaultWeight = NameTree.Weighted.defaultWeight
self.assertTrue(
NameTreeParsers.parseNameTree("! | ~ | $") == NameTree.Alt(
NameTree.Fail, NameTree.Neg, NameTree.Empty))
self.assertTrue(
NameTreeParsers.parseNameTree("/foo/bar") == NameTree.Leaf(
Path.Utf8("foo", "bar")))
self.assertTrue(
NameTreeParsers.parseNameTree(" /foo & /bar ") == NameTree.Union(
NameTree.Weighted(defaultWeight, NameTree.Leaf(Path.Utf8(
"foo"))),
NameTree.Weighted(defaultWeight, NameTree.Leaf(Path.Utf8(
"bar")))))
self.assertTrue(
NameTreeParsers.parseNameTree(" /foo | /bar ") == NameTree.Alt(
NameTree.Leaf(Path.Utf8("foo")), NameTree.Leaf(Path.Utf8(
"bar"))))
self.assertTrue(
NameTreeParsers.parseNameTree("/foo & /bar | /bar & /baz") ==
NameTree.Alt(
NameTree.Union(
NameTree.Weighted(defaultWeight,
NameTree.Leaf(Path.Utf8("foo"))),
NameTree.Weighted(defaultWeight,
NameTree.Leaf(Path.Utf8("bar")))),
NameTree.Union(
NameTree.Weighted(defaultWeight,
NameTree.Leaf(Path.Utf8("bar"))),
NameTree.Weighted(defaultWeight,
NameTree.Leaf(Path.Utf8("baz"))))))
self.assertTrue(
NameTreeParsers.parseNameTree(
"1 * /foo & 2 * /bar | .5 * /bar & .5 * /baz") ==
NameTree.Alt(
NameTree.Union(
NameTree.Weighted(1, NameTree.Leaf(Path.Utf8("foo"))),
NameTree.Weighted(2, NameTree.Leaf(Path.Utf8("bar")))),
NameTree.Union(
NameTree.Weighted(0.5, NameTree.Leaf(Path.Utf8("bar"))),
NameTree.Weighted(0.5, NameTree.Leaf(Path.Utf8("baz"))))))
with self.assertRaises(IllegalArgumentException):
NameTreeParsers.parseNameTree("")
with self.assertRaises(IllegalArgumentException):
NameTreeParsers.parseNameTree("#")
with self.assertRaises(IllegalArgumentException):
NameTreeParsers.parseNameTree("/foo &")
with self.assertRaises(IllegalArgumentException):
NameTreeParsers.parseNameTree("/foo & 0.1.2 * /bar")
with self.assertRaises(IllegalArgumentException):
NameTreeParsers.parseNameTree("/foo & . * /bar")
def read(cls, s):
from dtab.parser import NameTreeParsers
return NameTreeParsers.parseNameTree(s)
def test_parseNameTree(self):
defaultWeight = NameTree.Weighted.defaultWeight
self.assertTrue(NameTreeParsers.parseNameTree("! | ~ | $") == NameTree.Alt(
NameTree.Fail, NameTree.Neg, NameTree.Empty))
self.assertTrue(NameTreeParsers.parseNameTree("/foo/bar") == NameTree.Leaf(
Path.Utf8("foo", "bar")))
self.assertTrue(
NameTreeParsers.parseNameTree(" /foo & /bar ") == NameTree.Union(
NameTree.Weighted(defaultWeight, NameTree.Leaf(Path.Utf8("foo"))),
NameTree.Weighted(defaultWeight, NameTree.Leaf(Path.Utf8("bar")))))
self.assertTrue(
NameTreeParsers.parseNameTree(" /foo | /bar ") == NameTree.Alt(
NameTree.Leaf(Path.Utf8("foo")), NameTree.Leaf(Path.Utf8("bar"))))
self.assertTrue(
NameTreeParsers.parseNameTree("/foo & /bar | /bar & /baz") == NameTree.Alt(
NameTree.Union(
NameTree.Weighted(defaultWeight, NameTree.Leaf(Path.Utf8("foo"))),
NameTree.Weighted(defaultWeight, NameTree.Leaf(Path.Utf8("bar")))),
NameTree.Union(
NameTree.Weighted(defaultWeight, NameTree.Leaf(Path.Utf8("bar"))),
NameTree.Weighted(defaultWeight, NameTree.Leaf(Path.Utf8("baz"))))))
self.assertTrue(
NameTreeParsers.parseNameTree(
"1 * /foo & 2 * /bar | .5 * /bar & .5 * /baz") == NameTree.Alt(
NameTree.Union(
NameTree.Weighted(1, NameTree.Leaf(Path.Utf8("foo"))),
NameTree.Weighted(2, NameTree.Leaf(Path.Utf8("bar")))),
NameTree.Union(
NameTree.Weighted(0.5, NameTree.Leaf(Path.Utf8("bar"))),
NameTree.Weighted(0.5, NameTree.Leaf(Path.Utf8("baz"))))))
with self.assertRaises(IllegalArgumentException):
NameTreeParsers.parseNameTree("")
with self.assertRaises(IllegalArgumentException):
NameTreeParsers.parseNameTree("#")
with self.assertRaises(IllegalArgumentException):
NameTreeParsers.parseNameTree("/foo &")
with self.assertRaises(IllegalArgumentException):
NameTreeParsers.parseNameTree("/foo & 0.1.2 * /bar")
with self.assertRaises(IllegalArgumentException):
NameTreeParsers.parseNameTree("/foo & . * /bar")
def read(s): from dtab.parser import NameTreeParsers return NameTreeParsers.parseNameTree(s)