def test_Storage_mixed_resume():
f = FakeOpen({'b': 'abc'})
m = Storage([('a', 3), ('b', 4)], f.open, f.exists, f.getsize)
x = f.files.keys()
x.sort()
assert x == ['a', 'b']
assert m.read(3, 3) == 'abc'
def test_Storage_with_zero():
f = FakeOpen()
m = Storage([('a', 3), ('b', 0), ('c', 3)], f.open, f.exists, f.getsize)
m.write(2, 'abc')
assert m.read(2, 3) == 'abc'
x = f.files.keys()
x.sort()
assert x == ['a', 'b', 'c']
assert len(f.files['a']) == 3
assert len(f.files['b']) == 0
def test_Storage_simple():
f = FakeOpen()
m = Storage([('a', 5)], f.open, f.exists, f.getsize)
assert f.files.keys() == ['a']
m.write(0, 'abc')
assert m.read(0, 3) == 'abc'
m.write(2, 'abc')
assert m.read(2, 3) == 'abc'
m.write(1, 'abc')
assert m.read(0, 5) == 'aabcc'
def test_Storage_multiple():
f = FakeOpen()
m = Storage([('a', 5), ('2', 4), ('c', 3)], f.open, f.exists, f.getsize)
x = f.files.keys()
x.sort()
assert x == ['2', 'a', 'c']
m.write(3, 'abc')
assert m.read(3, 3) == 'abc'
m.write(5, 'ab')
assert m.read(4, 3) == 'bab'
m.write(3, 'pqrstuvw')
assert m.read(3, 8) == 'pqrstuvw'
m.write(3, 'abcdef')
assert m.read(3, 7) == 'abcdefv'
def test_Storage_resume():
f = FakeOpen({'a': 'abc'})
m = Storage([('a', 4)], f.open, f.exists, f.getsize)
assert f.files.keys() == ['a']
assert m.read(0, 3) == 'abc'
def test_resume_zero():
f = FakeOpen({'a': ''})
Storage([('a', 0)], f.open, f.exists, f.getsize)
assert f.files == {'a': []}