def test_eager_load(self):
text1 = arrayfiles.read_text(self.fp.name,
newline=self.newline,
lazy=False)
text2 = arrayfiles.read_text(self.fp.name,
newline=self.newline,
lazy=True)
for a, b in zip(text1, text2):
self.assertEqual(a, b)
def test_raise_value_error_with_invalid_span(self):
text = arrayfiles.read_text(self.fp.name)
step = 10
for start in range(0, self.length, step):
end = start + step
with self.subTest(start=start, end=end):
for i, line in zip(range(start, end), text.iterate(start,
end)):
self.assertEqual(line, f'line #{i}')
def test_raises_index_error_with_invalid_index(self):
text = arrayfiles.read_text(self.fp.name)
def getitem(i):
return text[i]
with self.assertRaises(IndexError):
getitem(self.length)
with self.assertRaises(IndexError):
getitem(-self.length - 1)
def test_dunder_setstate(self):
text = arrayfiles.read_text(self.fp.name)
state = text.__getstate__()
self.assertNotIn('_mm', state)
text.__setstate__(state)
self.assertIn('_mm', text.__dict__)
def test_dunder_len(self):
text = arrayfiles.read_text(self.fp.name)
self.assertEqual(len(text), self.length)
self.assertEqual(len(text[:None]), self.length)
self.assertEqual(len(list(text)), self.length)
def test_iterates(self):
text = arrayfiles.read_text(self.fp.name)
with self.assertRaises(ValueError):
next(text.iterate(self.length, 0))
def test_slices_items(self):
text = arrayfiles.read_text(self.fp.name)
self.assertSequenceEqual(text[:self.length], text)
def test_iterates_each_line(self):
text = arrayfiles.read_text(self.fp.name)
for i, x in enumerate(text):
self.assertEqual(x, f'line #{i}')
def test_supports_random_access(self):
text = arrayfiles.read_text(self.fp.name)
for i in range(self.length):
self.assertEqual(text[i], f'line #{i}')
self.assertEqual(text[i - self.length], f'line #{i}')
def test_dunder_init(self):
text = arrayfiles.read_text(self.fp.name)
self.assertEqual(text._path, self.fp.name)
self.assertEqual(text._encoding, 'utf-8')
def test_iterates_each_line(self):
text = arrayfiles.read_text(self.fp.name, newline=self.newline)
for i, (x, y) in enumerate(zip(text, text[:None])):
self.assertEqual(x, y, f'line #{i}')
