def test_graph_ok_multi_deps():
ok = [('cleanup', ['update_shared_repos']),
('clobber', ['checkout_tools']), ('check_ami', []),
('check_slavealloc', []),
('killprocs', ['update_shared_repos']),
('checkout_tools', ['check_ami', 'check_slavealloc']),
('purge_builds', ['clobber']),
('update_shared_repos', ['purge_builds']),
('buildbot', ['cleanup', 'killprocs']),
('done', ['buildbot'])]
graph = TaskGraph(map(TaskConfig.fromtuple, ok))
task_order = graph.sequential_ordering()
# We shouldn't test against a literal expected list here as there are
# a couple of parallelisable tasks.
assert task_order.index('cleanup') > task_order.index('update_shared_repos')
assert task_order[-1] == 'done'
assert task_order.index('checkout_tools') > task_order.index('check_ami')
assert task_order.index('checkout_tools') > task_order.index('check_slavealloc')
assert task_order.index('buildbot') > task_order.index('cleanup')
assert task_order.index('buildbot') > task_order.index('killprocs')
def test_graph_ok_multi_deps():
ok = [('cleanup', ['update_shared_repos']),
('clobber', ['checkout_tools']), ('check_ami', []),
('check_slavealloc', []),
('killprocs', ['update_shared_repos']),
('checkout_tools', ['check_ami', 'check_slavealloc']),
('purge_builds', ['clobber']),
('update_shared_repos', ['purge_builds']),
('buildbot', ['cleanup', 'killprocs']),
('done', ['buildbot'])]
graph = TaskGraph(map(TaskConfig.fromtuple, ok))
task_order = graph.sequential_ordering()
# We shouldn't test against a literal expected list here as there are
# a couple of parallelisable tasks.
assert task_order.index('cleanup') > task_order.index('update_shared_repos')
assert task_order[-1] == 'done'
assert task_order.index('checkout_tools') > task_order.index('check_ami')
assert task_order.index('checkout_tools') > task_order.index('check_slavealloc')
assert task_order.index('buildbot') > task_order.index('cleanup')
assert task_order.index('buildbot') > task_order.index('killprocs')
def test_graph_cycle():
# extra dependency on orange causes a cycle
cycle = [('apples', []), ('final', ['bees']), ('bees', ['birds']),
('oranges', ['apples', 'bees']), ('birds', ['oranges'])]
graph = TaskGraph(map(TaskConfig.fromtuple, cycle))
graph.sequential_ordering()
def test_graph_ok_single_deps():
ok = [('apples', []), ('final', ['bees']), ('bees', ['birds']),
('oranges', ['apples']), ('birds', ['oranges'])]
graph = TaskGraph(map(TaskConfig.fromtuple, ok))
task_order = graph.sequential_ordering()
assert task_order == ['apples', 'oranges', 'birds', 'bees', 'final']
def test_graph_cycle():
# extra dependency on orange causes a cycle
cycle = [('apples', []), ('final', ['bees']), ('bees', ['birds']),
('oranges', ['apples', 'bees']), ('birds', ['oranges'])]
graph = TaskGraph(map(TaskConfig.fromtuple, cycle))
graph.sequential_ordering()
def test_graph_missing():
missing_birds = [('apples', []), ('final', ['bees']), ('bees', ['birds']),
('oranges', ['apples'])]
TaskGraph(map(TaskConfig.fromtuple, missing_birds))
def test_graph_ok_single_deps():
ok = [('apples', []), ('final', ['bees']), ('bees', ['birds']),
('oranges', ['apples']), ('birds', ['oranges'])]
graph = TaskGraph(map(TaskConfig.fromtuple, ok))
task_order = graph.sequential_ordering()
assert task_order == ['apples', 'oranges', 'birds', 'bees', 'final']
def test_graph_ok_no_deps():
ok = [('a', []), ('z', []), ('y', []), ('0', []), ('9', [])]
graph = TaskGraph(map(TaskConfig.fromtuple, ok))
task_order = graph.sequential_ordering()
assert task_order == ['0', '9', 'a', 'y', 'z']