123 lines
4.1 KiB
Python
123 lines
4.1 KiB
Python
import datetime
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import mock
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import json
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import struct
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import unittest
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import dateutil.tz
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from shoebox import disk_storage
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class TestDiskStorage(unittest.TestCase):
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def setUp(self):
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self.handler = disk_storage.DatetimeEncoder()
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def test_handle_datetime_non_datetime(self):
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self.assertRaises(TypeError, self.handler.default, "text")
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def test_handle_datetime(self):
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now = datetime.datetime(day=1, month=2, year=2014,
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hour=10, minute=11, second=12)
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self.assertEqual(1391249472000, self.handler.default(now))
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def test_handle_datetime_offset(self):
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now = datetime.datetime(day=1, month=2, year=2014,
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hour=10, minute=11, second=12,
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tzinfo=dateutil.tz.tzoffset(None, 4*60*60))
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self.assertEqual(1391235072000, self.handler.default(now))
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class TestVersion0(unittest.TestCase):
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def setUp(self):
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self.v0 = disk_storage.Version0()
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def test_make_preamble(self):
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self.assertEqual(6, len(self.v0.make_preamble(99)))
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def test_load_preamble_bad_bor(self):
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file_handle = mock.Mock()
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file_handle.read.return_value = "abcdef"
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self.assertRaises(disk_storage.OutOfSync, self.v0.load_preamble,
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file_handle)
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def test_load_preamble(self):
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file_handle = mock.Mock()
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file_handle.read.return_value = struct.pack("ih",
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disk_storage.BOR_MAGIC_NUMBER, 99)
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self.assertEqual(99, self.v0.load_preamble(file_handle))
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class TestVersion1(unittest.TestCase):
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def setUp(self):
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self.v1 = disk_storage.Version1()
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def test_no_metadata(self):
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metadata = {}
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payload = "shoebox"
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package = self.v1.pack(payload, metadata)
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self.assertEqual(4, len(package))
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self.assertEqual(12, len(package[1])) # header
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self.assertEqual(4, len(package[2])) # metadata
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self.assertEqual("\x00\x00\x00\x00", package[2])
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self.assertEqual(11, len(package[3])) # payload 4+7
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def test_empty_payload(self):
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metadata = {"key": "value", "some": "stuff"}
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payload = ""
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package = self.v1.pack(payload, metadata)
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self.assertEqual(4, len(package))
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self.assertEqual(12, len(package[1])) # header
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self.assertEqual(37, len(package[2])) # metadata 4+(4*4)+3+5+4+5
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self.assertEqual(4, len(package[3])) # payload 4+0
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self.assertEqual("\x00\x00\x00\x00", package[3])
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def test_unpack_happy_day(self):
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metadata = {"key": "value", "some": "stuff"}
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payload = {"shoebox": 1234}
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jpayload = json.dumps(payload)
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blocks = self.v1.pack(jpayload, metadata)
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blocks = blocks[1:] # Remove preamble
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file_handle = mock.Mock()
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file_handle.read.side_effect = blocks
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m, p = self.v1.unpack(file_handle)
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self.assertEqual(metadata, m)
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self.assertEqual(payload, p)
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def test_unpack_bad_eor(self):
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metadata = {"key": "value", "some": "stuff"}
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payload = {"shoebox": 1234}
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jpayload = json.dumps(payload)
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blocks = self.v1.pack(jpayload, metadata)
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blocks = blocks[1:] # Remove preamble
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# break the EOR marker
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print len(blocks[0])
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newblock = blocks[0][:8] + '\x00\x00\x01\x02'
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blocks = list(blocks)
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blocks[0] = newblock
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blocks = tuple(blocks)
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file_handle = mock.Mock()
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file_handle.read.side_effect = blocks
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self.assertRaises(disk_storage.OutOfSync, self.v1.unpack, file_handle)
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class TestHelpers(unittest.TestCase):
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def test_get_version_handler_bad(self):
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self.assertRaises(disk_storage.InvalidVersion,
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disk_storage.get_version_handler, 99)
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def test_get_version_handler(self):
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self.assertTrue(isinstance(disk_storage.get_version_handler(1),
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disk_storage.Version1))
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# Default version ...
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self.assertTrue(isinstance(disk_storage.get_version_handler(),
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disk_storage.Version1))
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