def test_record_hashing(self):
record1 = Record(zip(["name", "empire"], ["Nigel", "The British Empire"]))
record2 = Record(zip(["name", "empire"], ["Nigel", "The British Empire"]))
record3 = Record(zip(["name", "empire"], ["Stefan", "Das Deutschland"]))
assert hash(record1) == hash(record2)
assert hash(record1) != hash(record3)
assert hash(record2) != hash(record3)
def test_record_equality(self):
record1 = Record(zip(["name", "empire"], ["Nigel", "The British Empire"]))
record2 = Record(zip(["name", "empire"], ["Nigel", "The British Empire"]))
record3 = Record(zip(["name", "empire"], ["Stefan", "Das Deutschland"]))
assert record1 == record2
assert record1 != record3
assert record2 != record3
def test_record_contains(self):
r = Record(zip(["name", "age", "married"], ["Alice", 33, True]))
self.assertTrue("Alice" in r)
self.assertTrue(33 in r)
self.assertTrue(True in r)
self.assertFalse(7.5 in r)
with self.assertRaises(TypeError):
_ = r.index(None)
def test_record_items(self):
r = Record(zip(["name", "age", "married"], ["Alice", 33, True]))
self.assertEqual(r.items(), [("name", "Alice"), ("age", 33), ("married", True)])
self.assertEqual(r.items("name"), [("name", "Alice")])
self.assertEqual(r.items("age", "name"), [("age", 33), ("name", "Alice")])
self.assertEqual(r.items("age", "name", "shoe size"), [("age", 33), ("name", "Alice"), ("shoe size", None)])
self.assertEqual(r.items(0, "name"), [("name", "Alice"), ("name", "Alice")])
self.assertEqual(r.items(0), [("name", "Alice")])
self.assertEqual(r.items(1, 0), [("age", 33), ("name", "Alice")])
with self.assertRaises(IndexError):
_ = r.items(1, 0, 999)
def test_record_data(self):
r = Record(zip(["name", "age", "married"], ["Alice", 33, True]))
self.assertEqual(r.data(), {"name": "Alice", "age": 33, "married": True})
self.assertEqual(r.data("name"), {"name": "Alice"})
self.assertEqual(r.data("age", "name"), {"age": 33, "name": "Alice"})
self.assertEqual(r.data("age", "name", "shoe size"), {"age": 33, "name": "Alice", "shoe size": None})
self.assertEqual(r.data(0, "name"), {"name": "Alice"})
self.assertEqual(r.data(0), {"name": "Alice"})
self.assertEqual(r.data(1, 0), {"age": 33, "name": "Alice"})
with self.assertRaises(IndexError):
_ = r.data(1, 0, 999)
def test_record_index(self):
r = Record(zip(["name", "age", "married"], ["Alice", 33, True]))
self.assertEqual(r.index("name"), 0)
self.assertEqual(r.index("age"), 1)
self.assertEqual(r.index("married"), 2)
with self.assertRaises(KeyError):
_ = r.index("shoe size")
self.assertEqual(r.index(0), 0)
self.assertEqual(r.index(1), 1)
self.assertEqual(r.index(2), 2)
with self.assertRaises(IndexError):
_ = r.index(3)
with self.assertRaises(TypeError):
_ = r.index(None)
def test_record_as_dict(self):
a_record = Record(
zip(["name", "empire"], ["Nigel", "The British Empire"]))
assert dict(a_record) == {
"name": "Nigel",
"empire": "The British Empire"
}
def test_record_len(self):
a_record = Record(
zip(["name", "empire"], ["Nigel", "The British Empire"]))
assert len(a_record) == 2
def test_record_as_list(self):
a_record = Record(
zip(["name", "empire"], ["Nigel", "The British Empire"]))
assert list(a_record) == ["Nigel", "The British Empire"]
def test_record_iter(self):
a_record = Record(
zip(["name", "empire"], ["Nigel", "The British Empire"]))
assert list(a_record.__iter__()) == ["Nigel", "The British Empire"]
def test_record_get_by_out_of_bounds_index(self):
r = Record(zip(["name", "age", "married"], ["Alice", 33, True]))
self.assertIsNone(r[9])
def test_record_get_by_name(self):
r = Record(zip(["name", "age", "married"], ["Alice", 33, True]))
self.assertEqual("Alice", r["name"])
def test_record_from_dict(self):
r = Record({"name": "Alice", "age": 33})
self.assertEqual("Alice", r["name"])
self.assertEqual(33, r["age"])
def test_record_value(self):
r = Record(zip(["name", "age", "married"], ["Alice", 33, True]))
self.assertEqual(r.value(), "Alice")
self.assertEqual(r.value("name"), "Alice")
self.assertEqual(r.value("age"), 33)
self.assertEqual(r.value("married"), True)
self.assertEqual(r.value("shoe size"), None)
self.assertEqual(r.value("shoe size", 6), 6)
self.assertEqual(r.value(0), "Alice")
self.assertEqual(r.value(1), 33)
self.assertEqual(r.value(2), True)
self.assertEqual(r.value(3), None)
self.assertEqual(r.value(3, 6), 6)
with self.assertRaises(TypeError):
_ = r.value(None)
def hydrate_records(self, keys, record_values):
for values in record_values:
yield Record(zip(keys, self.hydrate(values)))
def test_record_repr(self):
a_record = Record(
zip(["name", "empire"], ["Nigel", "The British Empire"]))
assert repr(
a_record) == "<Record name='Nigel' empire='The British Empire'>"
def test_record_keys(self):
r = Record(zip(["name", "age", "married"], ["Alice", 33, True]))
self.assertEqual(r.keys(), ["name", "age", "married"])
def test_record_get_slice(self):
r = Record(zip(["name", "age", "married"], ["Alice", 33, True]))
self.assertEqual(Record(zip(["name", "age"], ["Alice", 33])), r[0:2])