def setUp(self):
"""Set up a new changememory before each test case"""
source = Source(None, "localhost", "8888")
config = {}
config["uri_path"] = "changes"
config["max_changes"] = 100
self.changememory = DynamicChangeSet(source, config)
class TestSource(unittest.TestCase):
def setUp(self):
"""Set up a new changememory before each test case"""
source = Source(None, "localhost", "8888")
config = {}
config["uri_path"] = "changes"
config["max_changes"] = 100
self.changememory = DynamicChangeSet(source, config)
def test_init(self):
"""Test if construction works"""
self.assertTrue(self.changememory is not None)
self.assertTrue(self.changememory.config is not None)
self.assertEqual(self.changememory.uri_path, "changes")
self.assertEqual(self.changememory.max_changes, 100)
self.assertTrue(self.changememory.source is not None)
self.assertEqual(self.changememory.first_change_id, 0)
self.assertEqual(self.changememory.latest_change_id, 0)
def test_base_uri(self):
"""Test if the the changememory base uri is minted correctly"""
self.assertEqual(self.changememory.base_uri, "http://localhost:8888/changes")
def test_current_changeset_uri(self):
"""Tests construction of current changeset URI"""
self.assertEqual(self.changememory.current_changeset_uri(), "http://localhost:8888/changes/from/0")
self.create_dummy_changes(5)
self.assertEqual(self.changememory.current_changeset_uri(), "http://localhost:8888/changes/from/0")
self.assertEqual(self.changememory.current_changeset_uri(15), "http://localhost:8888/changes/from/15")
def test_next_changeset_uri(self):
"""Tests construction of next changeset URI"""
self.assertEqual(self.changememory.next_changeset_uri(), "http://localhost:8888/changes/from/1")
self.create_dummy_changes(5)
self.assertEqual(self.changememory.latest_change_id, 5)
self.assertEqual(self.changememory.next_changeset_uri(), "http://localhost:8888/changes/from/6")
def test_change_count(self):
"""Test if change counting works"""
self.assertEqual(self.changememory.change_count, 0)
self.create_dummy_changes()
self.assertEqual(self.changememory.change_count, 5)
def test_changes(self):
"""Test if changes are returned in the correct order"""
self.create_dummy_changes(50)
for i in range(self.changememory.change_count):
change = self.changememory.changes[i]
self.assertEqual(change.changeid, i + 1)
def test_changes_with_limits(self):
"""Test if the change ids are correct when change memory is limited"""
self.changememory.max_changes = 50
self.create_dummy_changes(50)
self.assertEqual(self.changememory.change_count, 50)
self.assertEqual(self.changememory.changes[0].changeid, 1)
self.assertEqual(self.changememory.changes[49].changeid, 50)
self.create_dummy_changes(50)
self.assertEqual(self.changememory.change_count, 50)
self.assertEqual(self.changememory.changes[0].changeid, 51)
self.assertEqual(self.changememory.changes[49].changeid, 100)
self.create_dummy_changes(16)
self.assertEqual(self.changememory.change_count, 50)
self.assertEqual(self.changememory.changes[0].changeid, 67)
self.assertEqual(self.changememory.changes[49].changeid, 116)
def test_changes_from(self):
"""Tests if the correct changes subsets are retrieved """
self.create_dummy_changes(50)
self.assertEqual(len(self.changememory.changes_from(5)), 46)
self.assertEqual(len(self.changememory.changes_from(67)), 0)
def create_dummy_changes(self, number=5):
"""Create a given number of dummy changes"""
for i in range(number):
r = Resource(uri="a" + str(i), timestamp=1234.0 * i)
ce = ChangeEvent(random.choice(["create", "update", "delete"]), r)
self.changememory.notify(ce)
