mirror of https://github.com/morpheus65535/bazarr
316 lines
9.6 KiB
Python
316 lines
9.6 KiB
Python
from operator import (
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eq, ge, gt, le, lt, ne, add, concat, not_, sub, and_, or_, xor
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)
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import os.path
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import sys
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import unittest
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import warnings
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if __name__ == '__main__':
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# Only munge path if invoked as a script. Testrunners should have setup
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# the paths already
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sys.path.insert(0, os.path.abspath(os.path.join(os.pardir, os.pardir)))
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from pytz.lazy import LazyList, LazySet
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class LazyListTestCase(unittest.TestCase):
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initial_data = [3, 2, 1]
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def setUp(self):
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self.base = [3, 2, 1]
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self.lesser = [2, 1, 0]
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self.greater = [4, 3, 2]
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self.lazy = LazyList(iter(list(self.base)))
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def test_unary_ops(self):
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unary_ops = [str, repr, len, bool, not_]
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try:
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unary_ops.append(unicode)
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except NameError:
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pass # unicode no longer exists in Python 3.
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for op in unary_ops:
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self.assertEqual(
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op(self.lazy),
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op(self.base), str(op))
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def test_binary_ops(self):
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binary_ops = [eq, ge, gt, le, lt, ne, add, concat]
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try:
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binary_ops.append(cmp)
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except NameError:
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pass # cmp no longer exists in Python 3.
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for op in binary_ops:
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self.assertEqual(
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op(self.lazy, self.lazy),
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op(self.base, self.base), str(op))
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for other in [self.base, self.lesser, self.greater]:
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self.assertEqual(
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op(self.lazy, other),
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op(self.base, other), '%s %s' % (op, other))
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self.assertEqual(
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op(other, self.lazy),
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op(other, self.base), '%s %s' % (op, other))
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# Multiplication
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self.assertEqual(self.lazy * 3, self.base * 3)
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self.assertEqual(3 * self.lazy, 3 * self.base)
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# Contains
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self.assertIn(2, self.lazy)
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self.assertNotIn(42, self.lazy)
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def test_iadd(self):
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self.lazy += [1]
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self.base += [1]
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self.assertEqual(self.lazy, self.base)
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def test_bool(self):
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self.assertTrue(bool(self.lazy))
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self.assertFalse(bool(LazyList()))
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self.assertFalse(bool(LazyList(iter([]))))
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def test_hash(self):
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self.assertRaises(TypeError, hash, self.lazy)
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def test_isinstance(self):
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self.assertIsInstance(self.lazy, list)
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self.assertNotIsInstance(self.lazy, tuple)
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def test_callable(self):
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try:
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callable
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except NameError:
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return # No longer exists with Python 3.
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self.assertFalse(callable(self.lazy))
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def test_append(self):
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self.base.append('extra')
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self.lazy.append('extra')
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self.assertEqual(self.lazy, self.base)
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def test_count(self):
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self.assertEqual(self.lazy.count(2), 1)
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def test_index(self):
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self.assertEqual(self.lazy.index(2), 1)
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def test_extend(self):
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self.base.extend([6, 7])
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self.lazy.extend([6, 7])
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self.assertEqual(self.lazy, self.base)
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def test_insert(self):
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self.base.insert(0, 'ping')
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self.lazy.insert(0, 'ping')
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self.assertEqual(self.lazy, self.base)
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def test_pop(self):
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self.assertEqual(self.lazy.pop(), self.base.pop())
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self.assertEqual(self.lazy, self.base)
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def test_remove(self):
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self.base.remove(2)
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self.lazy.remove(2)
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self.assertEqual(self.lazy, self.base)
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def test_reverse(self):
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self.base.reverse()
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self.lazy.reverse()
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self.assertEqual(self.lazy, self.base)
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def test_reversed(self):
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self.assertEqual(list(reversed(self.lazy)), list(reversed(self.base)))
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def test_sort(self):
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self.base.sort()
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self.assertNotEqual(self.lazy, self.base, 'Test data already sorted')
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self.lazy.sort()
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self.assertEqual(self.lazy, self.base)
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def test_sorted(self):
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self.assertEqual(sorted(self.lazy), sorted(self.base))
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def test_getitem(self):
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for idx in range(-len(self.base), len(self.base)):
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self.assertEqual(self.lazy[idx], self.base[idx])
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def test_setitem(self):
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for idx in range(-len(self.base), len(self.base)):
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self.base[idx] = idx + 1000
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self.assertNotEqual(self.lazy, self.base)
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self.lazy[idx] = idx + 1000
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self.assertEqual(self.lazy, self.base)
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def test_delitem(self):
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del self.base[0]
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self.assertNotEqual(self.lazy, self.base)
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del self.lazy[0]
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self.assertEqual(self.lazy, self.base)
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del self.base[-2]
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self.assertNotEqual(self.lazy, self.base)
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del self.lazy[-2]
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self.assertEqual(self.lazy, self.base)
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def test_iter(self):
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self.assertEqual(list(iter(self.lazy)), list(iter(self.base)))
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def test_getslice(self):
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for i in range(-len(self.base), len(self.base)):
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for j in range(-len(self.base), len(self.base)):
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for step in [-1, 1]:
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self.assertEqual(self.lazy[i:j:step], self.base[i:j:step])
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def test_setslice(self):
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for i in range(-len(self.base), len(self.base)):
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for j in range(-len(self.base), len(self.base)):
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for step in [-1, 1]:
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replacement = range(0, len(self.base[i:j:step]))
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self.base[i:j:step] = replacement
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self.lazy[i:j:step] = replacement
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self.assertEqual(self.lazy, self.base)
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def test_delslice(self):
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del self.base[0:1]
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del self.lazy[0:1]
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self.assertEqual(self.lazy, self.base)
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del self.base[-1:1:-1]
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del self.lazy[-1:1:-1]
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self.assertEqual(self.lazy, self.base)
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class LazySetTestCase(unittest.TestCase):
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initial_data = set([3, 2, 1])
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def setUp(self):
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self.base = set([3, 2, 1])
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self.lazy = LazySet(iter(set(self.base)))
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def test_unary_ops(self):
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# These ops just need to work.
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unary_ops = [str, repr]
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try:
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unary_ops.append(unicode)
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except NameError:
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pass # unicode no longer exists in Python 3.
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for op in unary_ops:
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op(self.lazy) # These ops just need to work.
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# These ops should return identical values as a real set.
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unary_ops = [len, bool, not_]
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for op in unary_ops:
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self.assertEqual(
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op(self.lazy),
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op(self.base), '%s(lazy) == %r' % (op, op(self.lazy)))
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def test_binary_ops(self):
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binary_ops = [eq, ge, gt, le, lt, ne, sub, and_, or_, xor]
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try:
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binary_ops.append(cmp)
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except NameError:
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pass # cmp no longer exists in Python 3.
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for op in binary_ops:
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self.assertEqual(
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op(self.lazy, self.lazy),
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op(self.base, self.base), str(op))
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self.assertEqual(
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op(self.lazy, self.base),
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op(self.base, self.base), str(op))
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self.assertEqual(
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op(self.base, self.lazy),
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op(self.base, self.base), str(op))
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# Contains
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self.assertIn(2, self.lazy)
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self.assertNotIn(42, self.lazy)
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def test_iops(self):
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try:
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iops = [isub, iand, ior, ixor]
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except NameError:
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return # Don't exist in older Python versions.
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for op in iops:
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# Mutating operators, so make fresh copies.
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lazy = LazySet(self.base)
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base = self.base.copy()
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op(lazy, set([1]))
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op(base, set([1]))
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self.assertEqual(lazy, base, str(op))
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def test_bool(self):
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self.assertTrue(bool(self.lazy))
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self.assertFalse(bool(LazySet()))
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self.assertFalse(bool(LazySet(iter([]))))
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def test_hash(self):
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self.assertRaises(TypeError, hash, self.lazy)
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def test_isinstance(self):
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self.assertIsInstance(self.lazy, set)
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def test_callable(self):
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try:
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callable
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except NameError:
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return # No longer exists with Python 3.
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self.assertFalse(callable(self.lazy))
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def test_add(self):
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self.base.add('extra')
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self.lazy.add('extra')
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self.assertEqual(self.lazy, self.base)
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def test_copy(self):
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self.assertEqual(self.lazy.copy(), self.base)
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def test_method_ops(self):
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ops = [
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'difference', 'intersection', 'isdisjoint',
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'issubset', 'issuperset', 'symmetric_difference', 'union',
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'difference_update', 'intersection_update',
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'symmetric_difference_update', 'update']
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for op in ops:
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if not hasattr(set, op):
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continue # Not in this version of Python.
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# Make a copy, as some of the ops are mutating.
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lazy = LazySet(set(self.base))
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base = set(self.base)
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self.assertEqual(
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getattr(lazy, op)(set([1])),
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getattr(base, op)(set([1])), op)
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self.assertEqual(lazy, base, op)
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def test_discard(self):
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self.base.discard(1)
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self.assertNotEqual(self.lazy, self.base)
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self.lazy.discard(1)
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self.assertEqual(self.lazy, self.base)
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def test_pop(self):
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self.assertEqual(self.lazy.pop(), self.base.pop())
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self.assertEqual(self.lazy, self.base)
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def test_remove(self):
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self.base.remove(2)
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self.lazy.remove(2)
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self.assertEqual(self.lazy, self.base)
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def test_clear(self):
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self.lazy.clear()
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self.assertEqual(self.lazy, set())
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if __name__ == '__main__':
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warnings.simplefilter("error") # Warnings should be fatal in tests.
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unittest.main()
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