def test_close(self, fake_open, fake_os):
"""FileHandle - ``close`` closes the file handle"""
fake_os.stat.return_value.st_size = 100
handle = ova.FileHandle('/not/a/file')
handle.close()
self.assertTrue(fake_open.return_value.close.called)
def test_init(self, fake_open, fake_os):
"""FileHandle - ``__init__`` sets the st_size attribute"""
fake_os.stat.return_value.st_size = 100
handle = ova.FileHandle('/not/a/file')
expected = 100
self.assertEqual(handle.st_size, expected)
def test_read(self, fake_open, fake_os):
"""FileHandle - ``read`` proxies to the file handle"""
fake_os.stat.return_value.st_size = 100
handle = ova.FileHandle('/not/a/file')
handle.read(100)
self.assertTrue(fake_open.return_value.read.called)
def test_seek(self, fake_open, fake_os):
"""FileHandle - ``seek`` proxies call to the file handle"""
fake_os.stat.return_value.st_size = 100
handle = ova.FileHandle('/not/a/file')
handle.seek(500)
self.assertTrue(fake_open.return_value.seek.called)
def test_seek_whence_2(self, fake_open, fake_os):
"""FileHandle - ``seek`` subtracts the size and offset when whence is 2"""
fake_os.stat.return_value.st_size = 100
handle = ova.FileHandle('/not/a/file')
handle.seek(50, whence=2)
expected = 50
self.assertEqual(handle.offset, expected)
def test_seek_math(self, fake_open, fake_os):
"""FileHandle - ``seek`` updates the offset correctly"""
fake_os.stat.return_value.st_size = 100
handle = ova.FileHandle('/not/a/file')
handle.seek(500)
expected = 500
self.assertEqual(handle.offset, expected)
def test_progress(self, fake_open, fake_os):
"""FileHandle - ``progress`` returns how much of the file has been read"""
fake_os.stat.return_value.st_size = 10
handle = ova.FileHandle('/not/a/file')
handle.offset = 5
result = handle.progress()
expected = 50
self.assertEqual(result, expected)
def test_seek_whence_1(self, fake_open, fake_os):
"""FileHandle - ``seek`` sums the offset when whence is 1"""
fake_os.stat.return_value.st_size = 100
handle = ova.FileHandle('/not/a/file')
handle.offset = 100
handle.seek(500, whence=1)
expected = 600
self.assertEqual(handle.offset, expected)
def test_seekable(self, fake_open, fake_os):
"""FileHandle - ``seekable`` is True"""
fake_os.stat.return_value.st_size = 100
handle = ova.FileHandle('/not/a/file')
self.assertTrue(handle.seekable())