def test_get_item(self):
self.assertEqual(Path("one")[0], "one")
self.assertEqual(Path("one.2.3")[0], "one")
self.assertEqual(Path("one.2.3")[2], "3")
self.assertEqual(Path("one.2.3")[-1], "3")
with self.assertRaises(ValueError):
Path(".one.2.3")[-1]
def test_get_item_slice(self):
self.assertEqual(str(Path("one")[0:1]), "one")
self.assertEqual(str(Path("one.2.3")[1:3]), "2.3")
self.assertEqual(str(Path("one.2.3")[0:-1]), "one.2")
self.assertEqual(str(Path("one.2.3")[-1:]), "3")
with self.assertRaises(ValueError):
Path(".one.2.3")[0:1:-1]
def test_descend_one(self):
self.assertEqual(str(Path("one.2.3").descend_one()), "2.3")
self.assertEqual(str(Path("3").descend_one()), "")
with self.assertRaises(ValueError):
Path("").descend_one()
with self.assertRaises(ValueError):
Path(".one.2").descend_one()
def test_len(self):
self.assertEqual(len(Path("")), 0)
self.assertEqual(len(Path("one")), 1)
self.assertEqual(len(Path("one.2.3")), 3)
with self.assertRaises(ValueError):
len(Path(".one"))
len(Path("."))
def test_ancestors(self):
self.assertEqual(Path("").ancestors(), set([Path("")]))
self.assertEqual(Path("a").ancestors(), set([Path(""), Path("a")]))
self.assertEqual(
Path("one.two.three").ancestors(),
set([
Path(""),
Path("one"),
Path("one.two"),
Path("one.two.three")
]))
def test_parent(self):
self.assertEqual(Path("one").parent(), Path(""))
self.assertEqual(Path("one.two.three").parent(), Path("one.two"))
self.assertEqual(Path(".one").parent(), Path("."))
with self.assertRaises(ValueError):
Path(".").parent()
with self.assertRaises(ValueError):
Path("").parent()
def test_append(self):
self.assertEqual(str(Path("one").append("2")), "one.2")
self.assertEqual(str(Path("").append("2")), "2")
self.assertEqual(str(Path(".").append("2")), ".2")
self.assertEqual(str(Path(".1.2").append("2")), ".1.2.2")
with self.assertRaises(ValueError):
Path("one").append("")
with self.assertRaises(ValueError):
Path("one").append(".")
with self.assertRaises(ValueError):
Path("one").append("two.3")
def test_init(self):
self.assertTrue(type(Path("")) == Path)
self.assertTrue(type(Path("..")) == Path)
self.assertTrue(type(Path(".2")) == Path)
self.assertTrue(type(Path("one.2")) == Path)
with self.assertRaises(ValueError):
Path(".one.")
Path("one..2")
def test_get_absolute(self):
self.assertEqual(Path(".").get_absolute(Path("1.2")), Path("1.2"))
self.assertEqual(
Path(".x.y").get_absolute(Path("1.2")), Path("1.2.x.y"))
self.assertEqual(
Path("..x.y").get_absolute(Path("1.2")), Path("1.x.y"))
self.assertEqual(Path("...x.y").get_absolute(Path("1.2")), Path("x.y"))
with self.assertRaises(ValueError):
Path("....x.y").get_absolute(Path("1.2"))
def test_add_path(self):
self.assertEqual(str(Path("one").add_path(Path("2"))), "one.2")
self.assertEqual(str(Path("one").add_path(Path("2.3"))), "one.2.3")
self.assertEqual(str(Path("").add_path(Path("2.3"))), "2.3")
self.assertEqual(str(Path("one.2").add_path(Path(""))), "one.2")
self.assertEqual(str(Path("").add_path(Path(""))), "")
self.assertEqual(str(Path(".").add_path(Path(""))), ".")
self.assertEqual(str(Path(".").add_path(Path("one.two"))), ".one.two")
self.assertEqual(str(Path(".xy").add_path(Path("one.two"))),
".xy.one.two")
with self.assertRaises(NotImplementedError):
Path("one").add_path(Path(".2.3"))
def test_set(self):
s = set([Path("one.2"), Path("one.1.3"), Path("one.1.3")])
self.assertIn(Path("one.2"), s)
self.assertEqual(len(s), 2)
def test_str(self):
self.assertEqual(str(Path("one.2")), "one.2")
self.assertEqual(str(Path("")), "")
def test_eq(self):
self.assertEqual(Path(""), Path(""))
self.assertEqual(Path(".."), Path(".."))
self.assertEqual(Path("one.2"), Path("one.2"))
self.assertEqual(Path("one.2"), Path("one.2.3").parent())
self.assertNotEqual(Path("one.2"), Path("one.2.3"))
self.assertNotEqual(Path(""), Path("."))