def test_equality(self):
mapping1 = structs.LanguageMap()
mapping1[structs.LanguageTag.fromstr("de-de")] = 10
mapping1[structs.LanguageTag.fromstr("en-US")] = 20
mapping2 = structs.LanguageMap()
mapping2[structs.LanguageTag.fromstr("de-DE")] = 10
mapping2[structs.LanguageTag.fromstr("en-US")] = 20
mapping3 = structs.LanguageMap()
mapping3[structs.LanguageTag.fromstr("de-DE")] = 10
mapping3[structs.LanguageTag.fromstr("en-GB")] = 20
self.assertEqual(
mapping1,
mapping2
)
self.assertFalse(mapping1 != mapping2)
self.assertNotEqual(
mapping1,
mapping3
)
self.assertFalse(mapping1 == mapping3)
self.assertNotEqual(
mapping2,
mapping3
)
self.assertFalse(mapping2 == mapping3)
def test_any_returns_only_key(self):
m = structs.LanguageMap()
m[None] = "fnord"
self.assertEqual(m.any(), "fnord")
m = structs.LanguageMap()
m[structs.LanguageTag.fromstr("de")] = "Test"
self.assertEqual(m.any(), "Test")
def test_any_returns_same_key_for_same_keyset(self):
m = structs.LanguageMap()
m[structs.LanguageTag.fromstr("de")] = "Test"
m[structs.LanguageTag.fromstr("fr")] = "fnord"
self.assertEqual(m.any(), "Test")
m = structs.LanguageMap()
m[structs.LanguageTag.fromstr("fr")] = "fnord"
m[structs.LanguageTag.fromstr("de")] = "Test"
self.assertEqual(m.any(), "Test")
def test_any_prefers_None(self):
m = structs.LanguageMap()
m[structs.LanguageTag.fromstr("de")] = "Test"
m[None] = "fnord"
self.assertEqual(m.any(), "fnord")
m = structs.LanguageMap()
m[None] = "fnord"
m[structs.LanguageTag.fromstr("de")] = "Test"
self.assertEqual(m.any(), "fnord")
def test_lookup_returns_None_key_if_nothing_matches(self):
mapping = structs.LanguageMap()
mapping[None] = "foobar"
mapping[structs.LanguageTag.fromstr("de")] = "Test"
mapping[structs.LanguageTag.fromstr("en")] = "test"
self.assertEqual("foobar",
mapping.lookup([structs.LanguageRange.fromstr("it")]))
def test_setdefault(self):
l = []
mapping = structs.LanguageMap()
result = mapping.setdefault(structs.LanguageTag.fromstr("de-de"), l)
self.assertIs(result, l)
result = mapping.setdefault(structs.LanguageTag.fromstr("de-de"), [])
self.assertIs(result, l)
def test_mapping_interface(self):
key1 = structs.LanguageTag.fromstr("de-DE")
key2 = structs.LanguageTag.fromstr("en-US")
key3 = structs.LanguageTag.fromstr("en")
mapping = structs.LanguageMap()
self.assertFalse(mapping)
self.assertEqual(0, len(mapping))
mapping[key1] = 10
self.assertIn(key1, mapping)
self.assertEqual(
10,
mapping[key1]
)
self.assertSetEqual(
{key1},
set(mapping)
)
mapping[key2] = 20
self.assertIn(key2, mapping)
self.assertEqual(
20,
mapping[key2]
)
self.assertSetEqual(
{key1, key2},
set(mapping)
)
key2_prime = structs.LanguageTag.fromstr("en-us")
self.assertIn(key2_prime, mapping)
self.assertEqual(
20,
mapping[key2_prime]
)
self.assertNotIn(key3, mapping)
del mapping[key1]
self.assertNotIn(key1, mapping)
mapping.clear()
self.assertNotIn(key2, mapping)
def test_keys(self):
key1 = structs.LanguageTag.fromstr("de-DE")
key2 = structs.LanguageTag.fromstr("en-US")
key3 = structs.LanguageTag.fromstr("en")
mapping = structs.LanguageMap()
mapping[key1] = 10
mapping[key2] = 20
mapping[key3] = 30
self.assertSetEqual({key1, key2, key3}, set(mapping.keys()))
def test_values(self):
key1 = structs.LanguageTag.fromstr("de-DE")
key2 = structs.LanguageTag.fromstr("en-US")
key3 = structs.LanguageTag.fromstr("en")
mapping = structs.LanguageMap()
mapping[key1] = 10
mapping[key2] = 20
mapping[key3] = 30
self.assertSetEqual({10, 20, 30}, set(mapping.values()))
def test_lookup(self):
key1 = structs.LanguageTag.fromstr("de-DE")
key2 = structs.LanguageTag.fromstr("en-US")
key3 = structs.LanguageTag.fromstr("en")
mapping = structs.LanguageMap()
mapping[key1] = 10
mapping[key2] = 20
mapping[key3] = 30
self.assertEqual(
30, mapping.lookup([structs.LanguageRange.fromstr("en-GB")]))
def test_items(self):
key1 = structs.LanguageTag.fromstr("de-DE")
key2 = structs.LanguageTag.fromstr("en-US")
key3 = structs.LanguageTag.fromstr("en")
mapping = structs.LanguageMap()
mapping[key1] = 10
mapping[key2] = 20
mapping[key3] = 30
self.assertSetEqual({
(key1, 10),
(key2, 20),
(key3, 30),
}, set(mapping.items()))
def test_any_raises_ValueError_on_empty_map(self):
m = structs.LanguageMap()
with self.assertRaises(ValueError):
m.any()
def test_implements_mapping(self):
mapping = structs.LanguageMap()
self.assertIsInstance(
mapping,
collections.abc.MutableMapping
)
