def test_merge_tasks_no_matches(self):
"""
Merging tasks when no tasks match returns an empty set of tasks.
"""
tree = Tree()
matches = tree.merge_tasks(
[action_task, message_task], [lambda task: False])
self.expectThat(list(matches), Equals([]))
def test_merge_tasks_no_matches(self):
"""
Merging tasks when no tasks match returns an empty set of tasks.
"""
tree = Tree()
matches = tree.merge_tasks(
[action_task, message_task], [lambda task: False])
self.expectThat(list(matches), Equals([]))
def test_merge_startless_tasks(self):
"""
Merging a task that will never have a start parent raises
``RuntimeError``.
"""
tree = Tree()
self.assertThat(
lambda: tree.merge_tasks([action_task_end]),
raises(RuntimeError))
def test_merge_nested_tasks(self):
"""
Merge nested tasks into the tree and retrieve an list of key-node
pairs ordered by task timestamp.
"""
tree = Tree()
matches = tree.merge_tasks([action_task_end, action_task])
self.expectThat(matches, Is(None))
keys, nodes = zip(*tree.nodes())
self.expectThat(
list(keys),
Equals(['f3a32bb3-ea6b-457c-aa99-08a3d0491ab4']))
self.assertThat(
list(_flattened_tasks(nodes)),
MatchesListwise([Equals(action_task),
Equals(action_task_end)]))
def test_merge_nested_tasks(self):
"""
Merge nested tasks into the tree and retrieve an list of key-node
pairs ordered by task timestamp.
"""
tree = Tree()
matches = tree.merge_tasks([action_task_end, action_task])
self.expectThat(matches, Is(None))
keys, nodes = zip(*tree.nodes())
self.expectThat(
list(keys),
Equals(['f3a32bb3-ea6b-457c-aa99-08a3d0491ab4']))
self.assertThat(
list(_flattened_tasks(nodes)),
MatchesListwise([Equals(action_task),
Equals(action_task_end)]))
def test_merge_startless_tasks(self):
"""
Merging a task that will never have a start parent creates a fake start
task.
"""
tree = Tree()
missing_task = missing_start_task(action_task_end)
matches = tree.merge_tasks([action_task_end])
self.expectThat(matches, Is(None))
keys, nodes = zip(*tree.nodes())
self.expectThat(
list(keys),
Equals(['f3a32bb3-ea6b-457c-aa99-08a3d0491ab4']))
self.assertThat(
list(_flattened_tasks(nodes)),
MatchesListwise([Equals(missing_task),
Equals(action_task_end)]))
def test_merge_tasks(self):
"""
Merge tasks into the tree and retrieve an list of key-node
pairs ordered by task timestamp.
"""
tree = Tree()
matches = tree.merge_tasks([message_task, action_task])
self.expectThat(matches, Is(None))
keys, nodes = zip(*tree.nodes())
self.expectThat(
list(keys),
Equals(['cdeb220d-7605-4d5f-8341-1a170222e308',
'f3a32bb3-ea6b-457c-aa99-08a3d0491ab4']))
self.assertThat(
list(_flattened_tasks(nodes)),
MatchesListwise([Equals(message_task),
Equals(action_task)]))
def test_merge_tasks(self):
"""
Merge tasks into the tree and retrieve an list of key-node
pairs ordered by task timestamp.
"""
tree = Tree()
matches = tree.merge_tasks([message_task, action_task])
self.expectThat(matches, Is(None))
keys, nodes = zip(*tree.nodes())
self.expectThat(
list(keys),
Equals(['cdeb220d-7605-4d5f-8341-1a170222e308',
'f3a32bb3-ea6b-457c-aa99-08a3d0491ab4']))
self.assertThat(
list(_flattened_tasks(nodes)),
MatchesListwise([Equals(message_task),
Equals(action_task)]))
def test_merge_startless_tasks(self):
"""
Merging a task that will never have a start parent creates a fake start
task.
"""
tree = Tree()
missing_task = missing_start_task(action_task_end)
matches = tree.merge_tasks([action_task_end])
self.expectThat(matches, Is(None))
keys, nodes = zip(*tree.nodes())
self.expectThat(
list(keys),
Equals(['f3a32bb3-ea6b-457c-aa99-08a3d0491ab4']))
self.assertThat(
list(_flattened_tasks(nodes)),
MatchesListwise([Equals(missing_task),
Equals(action_task_end)]))
def test_merge_tasks_filtered(self):
"""
Merge tasks into the tree with a filter function, generating a set of
matches that can be used to prune the tree.
"""
tree = Tree()
filters = [lambda task: task.get(u'action_type') == u'app:action']
matches = tree.merge_tasks([action_task, message_task], filters)
keys, nodes = zip(*tree.nodes(matches))
self.expectThat(
list(keys),
Equals(['f3a32bb3-ea6b-457c-aa99-08a3d0491ab4']))
self.expectThat(
list(keys),
Equals(list(matches)))
self.assertThat(
[c.task for n in nodes for c in n.children()],
MatchesListwise([Equals(action_task)]))
def test_merge_tasks_filtered(self):
"""
Merge tasks into the tree with a filter function, generating a set of
matches that can be used to prune the tree.
"""
tree = Tree()
filters = [lambda task: task.get(u'action_type') == u'app:action']
matches = tree.merge_tasks([action_task, message_task], filters)
keys, nodes = zip(*tree.nodes(matches))
self.expectThat(
list(keys),
Equals(['f3a32bb3-ea6b-457c-aa99-08a3d0491ab4']))
self.expectThat(
list(keys),
Equals(list(matches)))
self.assertThat(
list(_flattened_tasks(nodes)),
MatchesListwise([Equals(action_task)]))
def test_initial(self):
"""
The initial state of a tree is always empty.
"""
tree = Tree()
self.assertThat(tree.nodes(), Equals([]))
def test_initial(self):
"""
The initial state of a tree is always empty.
"""
tree = Tree()
self.assertThat(tree.nodes(), Equals([]))
