def test_containers(topology): # Set pplan now pplan = MockProto().create_mock_simple_physical_plan() topology.set_physical_plan(pplan) assert 1 == len(pplan.instances) estate = MockProto().create_mock_execution_state() topology.set_execution_state(estate) tracker = MagicMock(Tracker) tracker.config.extra_links = [] top_info_meta = topology._build_metadata(topology, pplan, estate, tracker.config) assert 1 == top_info_meta.instances
def test_extract_packing_plan(self):
# Create topology
pb_pplan = MockProto().create_mock_simple_packing_plan()
topology = Topology('topology_name', 'ExclamationTopology')
topology.set_packing_plan(pb_pplan)
# Extract packing plan
packing_plan = self.tracker.extract_packing_plan(topology)
self.assertEqual(packing_plan['id'], 'ExclamationTopology')
self.assertEqual(packing_plan['container_plans'][0]['id'], 1)
self.assertEqual(
packing_plan['container_plans'][0]['required_resources'], {
'disk': 2048,
'ram': 1024,
'cpu': 1.0
})
self.assertEqual(
packing_plan['container_plans'][0]['instances'][0], {
'component_index': 1,
'component_name': 'word',
'instance_resources': {
'cpu': 1.0,
'disk': 2048,
'ram': 1024
},
'task_id': 1
})
def test_set_tmanager(topology): # Set it to None topology.set_tmanager(None) assert topology.tmanager is None tmanager = MockProto().create_mock_tmanager() topology.set_tmanager(tmanager) assert tmanager == topology.tmanager
def test_set_tmanager(self):
# Set it to None
self.topology.set_tmanager(None)
self.assertIsNone(self.topology.tmanager)
tmanager = MockProto().create_mock_tmanager()
self.topology.set_tmanager(tmanager)
self.assertEqual(tmanager, self.topology.tmanager)
def test_num_instances(self):
# When pplan is not set
self.assertEqual(0, self.topology.num_instances())
pplan = MockProto().create_mock_medium_physical_plan(1, 2, 3, 4)
self.topology.set_physical_plan(pplan)
self.assertEqual(10, self.topology.num_instances())
def test_set_packing_plan(self):
# Set it to None
self.topology.set_packing_plan(None)
self.assertIsNone(self.topology.id)
self.assertIsNone(self.topology.packing_plan)
packing_plan = MockProto().create_mock_simple_packing_plan()
self.topology.set_packing_plan(packing_plan)
self.assertEqual(packing_plan, self.topology.packing_plan)
# testing with a packing plan with scheduled resources
self.topology.set_packing_plan(None)
self.assertIsNone(self.topology.id)
self.assertIsNone(self.topology.packing_plan)
packing_plan = MockProto().create_mock_simple_packing_plan2()
self.topology.set_packing_plan(packing_plan)
self.assertEqual(packing_plan, self.topology.packing_plan)
def test_set_packing_plan(topology): # Set it to None topology.set_packing_plan(None) assert topology.id is None assert topology.packing_plan is None packing_plan = MockProto().create_mock_simple_packing_plan() topology.set_packing_plan(packing_plan) assert packing_plan == topology.packing_plan # testing with a packing plan with scheduled resources topology.set_packing_plan(None) assert topology.id is None assert topology.packing_plan is None packing_plan = MockProto().create_mock_simple_packing_plan2() topology.set_packing_plan(packing_plan) assert packing_plan == topology.packing_plan
def test_set_physical_plan(self):
# Set it to None
self.topology.set_physical_plan(None)
self.assertIsNone(self.topology.id)
self.assertIsNone(self.topology.physical_plan)
physical_plan = MockProto().create_mock_simple_physical_plan()
self.topology.set_physical_plan(physical_plan)
self.assertEqual(MockProto.topology_id, self.topology.id)
self.assertEqual(physical_plan, self.topology.physical_plan)
def test_set_physical_plan(topology): # Set it to None topology.set_physical_plan(None) assert topology.id is None assert topology.physical_plan is None physical_plan = MockProto().create_mock_simple_physical_plan() topology.set_physical_plan(physical_plan) assert MockProto.topology_id == topology.id assert physical_plan == topology.physical_plan
def test_set_execution_state(topology): # Set it to None topology.set_execution_state(None) assert topology.execution_state is None assert topology.cluster is None assert topology.environ is None estate = MockProto().create_mock_execution_state() topology.set_execution_state(estate) assert estate == topology.execution_state assert MockProto.cluster == topology.cluster assert MockProto.environ == topology.environ
def test_bolts(topology):
# When pplan is not set
assert 0 == len(topology.bolts())
# Set pplan
pplan = MockProto().create_mock_medium_physical_plan()
topology.set_physical_plan(pplan)
bolts = topology.bolts()
assert 3 == len(bolts)
assert ["mock_bolt1", "mock_bolt2", "mock_bolt3"] == \
topology.bolt_names()
def test_spouts(topology): # When pplan is not set assert 0 == len(topology.spouts()) # Set pplan now pplan = MockProto().create_mock_simple_physical_plan() topology.set_physical_plan(pplan) spouts = topology.spouts() assert 1 == len(spouts) assert "mock_spout" == spouts[0].comp.name assert ["mock_spout"] == topology.spout_names()
def test_bolts(self):
# When pplan is not set
self.assertEqual(0, len(self.topology.bolts()))
# Set pplan
pplan = MockProto().create_mock_medium_physical_plan()
self.topology.set_physical_plan(pplan)
bolts = self.topology.bolts()
self.assertEqual(3, len(bolts))
self.assertEqual(["mock_bolt1", "mock_bolt2", "mock_bolt3"],
self.topology.bolt_names())
def test_spouts(self):
# When pplan is not set
self.assertEqual(0, len(self.topology.spouts()))
# Set pplan now
pplan = MockProto().create_mock_simple_physical_plan()
self.topology.set_physical_plan(pplan)
spouts = self.topology.spouts()
self.assertEqual(1, len(spouts))
self.assertEqual("mock_spout", spouts[0].comp.name)
self.assertEqual(["mock_spout"], self.topology.spout_names())
def test_set_execution_state(self):
# Set it to None
self.topology.set_execution_state(None)
self.assertIsNone(self.topology.execution_state)
self.assertIsNone(self.topology.cluster)
self.assertIsNone(self.topology.environ)
estate = MockProto().create_mock_execution_state()
self.topology.set_execution_state(estate)
self.assertEqual(estate, self.topology.execution_state)
self.assertEqual(MockProto.cluster, self.topology.cluster)
self.assertEqual(MockProto.environ, self.topology.environ)
def test_extract_packing_plan(self):
# Create topology
pb_pplan = MockProto().create_mock_simple_packing_plan()
topology = Topology('topology_name', 'ExclamationTopology')
topology.set_packing_plan(pb_pplan)
# Extract packing plan
packing_plan = self.tracker.extract_packing_plan(topology)
self.assertEqual(packing_plan['id'], 'ExclamationTopology')
self.assertEqual(packing_plan['container_plans'][0]['id'], 1)
self.assertEqual(
packing_plan['container_plans'][0]['required_resources'], {
'disk': 2048L,
'ram': 1024L,
'cpu': 1.0
})
def test_extract_physical_plan(self):
# Create topology
pb_pplan = MockProto().create_mock_simple_physical_plan()
topology = Topology('topology_name', 'state_manager')
topology.set_physical_plan(pb_pplan)
# Extract physical plan
pplan = self.tracker.extract_physical_plan(topology)
# Mock topology doesn't have topology config and instances
self.assertEqual(pplan['config'], {})
self.assertEqual(pplan['bolts'], {'mock_bolt': []})
self.assertEqual(pplan['spouts'], {'mock_spout': []})
self.assertEqual(pplan['components']['mock_bolt']['config'],
{'topology.component.parallelism': '1'})
self.assertEqual(pplan['components']['mock_spout']['config'],
{'topology.component.parallelism': '1'})
self.assertEqual(pplan['instances'], {})
self.assertEqual(pplan['stmgrs'], {})
class TopologyHelpersTest(unittest.TestCase):
def setUp(self):
self.mock_proto = MockProto()
def test_get_component_parallelism(self):
topology = self.mock_proto.create_mock_medium_topology(1, 2, 3, 4)
cmap = topology_helpers.get_component_parallelism(topology)
self.assertEqual(1, cmap["mock_spout1"])
self.assertEqual(2, cmap["mock_bolt1"])
self.assertEqual(3, cmap["mock_bolt2"])
self.assertEqual(4, cmap["mock_bolt3"])
def test_get_disk_per_container(self):
# We would have 9 instances
topology = self.mock_proto.create_mock_medium_topology(1, 2, 3, 4)
# First try with 1 container, so the disk request should be:
# 10 * GB + Padding_Disk (12GB) = 22GB
default_disk = topology_helpers.get_disk_per_container(topology)
self.assertEqual(22 * constants.GB, default_disk)
# Then try with 4 container, so the disk request should be:
# 10/4 = 2.5 -> 3 (round to ceiling) + 12 = 15GB
self.mock_proto.add_topology_config(topology, constants.TOPOLOGY_STMGRS, 4)
self.assertEqual(15 * constants.GB, topology_helpers.get_disk_per_container(topology))
# Then let's set the disk_per_container explicitly
self.mock_proto.add_topology_config(
topology, constants.TOPOLOGY_CONTAINER_DISK_REQUESTED, 950109)
# The add_topology_config will convert config into string
self.assertEqual(str(950109), topology_helpers.get_disk_per_container(topology))
def test_get_total_instances(self):
topology = self.mock_proto.create_mock_medium_topology(3, 4, 5, 6)
num_instances = topology_helpers.get_total_instances(topology)
self.assertEqual(18, num_instances)
def test_sane(self):
# Make wrong topology names
topology = self.mock_proto.create_mock_simple_topology()
topology.name = ""
self.assertFalse(topology_helpers.sane(topology))
topology = self.mock_proto.create_mock_simple_topology()
topology.name = "test.with.a.dot"
self.assertFalse(topology_helpers.sane(topology))
topology = self.mock_proto.create_mock_simple_topology()
topology.name = "test/with/a/slash"
self.assertFalse(topology_helpers.sane(topology))
# Add another spout with the same name
topology = self.mock_proto.create_mock_simple_topology()
topology.spouts.extend([self.mock_proto.create_mock_spout("mock_spout", [], 1)])
self.assertFalse(topology_helpers.sane(topology))
# Add another bolt with the same name
topology = self.mock_proto.create_mock_simple_topology()
topology.bolts.extend([self.mock_proto.create_mock_bolt("mock_bolt", [], [], 1)])
self.assertFalse(topology_helpers.sane(topology))
# If num containers are greater than num instances
topology = self.mock_proto.create_mock_simple_topology(1, 1)
self.mock_proto.add_topology_config(topology, constants.TOPOLOGY_STMGRS, 4)
self.assertFalse(topology_helpers.sane(topology))
# If rammap is partial with less componenets
topology = self.mock_proto.create_mock_simple_topology()
self.mock_proto.add_topology_config(
topology, constants.TOPOLOGY_COMPONENT_RAMMAP, "mock_spout:1")
self.assertTrue(topology_helpers.sane(topology))
# If rammap is not well formatted
topology = self.mock_proto.create_mock_simple_topology()
self.mock_proto.add_topology_config(
topology, constants.TOPOLOGY_COMPONENT_RAMMAP, "mock_spout:1:2,mock_bolt:2:3")
self.assertFalse(topology_helpers.sane(topology))
# If rammap has wrong component name
topology = self.mock_proto.create_mock_simple_topology()
self.mock_proto.add_topology_config(
topology, constants.TOPOLOGY_COMPONENT_RAMMAP, "wrong_mock_spout:1,mock_bolt:2")
self.assertFalse(topology_helpers.sane(topology))
# If everything is right
topology = self.mock_proto.create_mock_simple_topology()
self.mock_proto.add_topology_config(
topology, constants.TOPOLOGY_COMPONENT_RAMMAP, "mock_spout:1,mock_bolt:2")
self.assertTrue(topology_helpers.sane(topology))
def test_num_cpus_per_container(self):
topology = self.mock_proto.create_mock_simple_topology(2, 2)
self.mock_proto.add_topology_config(topology, constants.TOPOLOGY_STMGRS, 4)
self.assertEqual(2, topology_helpers.get_cpus_per_container(topology))
topology = self.mock_proto.create_mock_simple_topology(2, 2)
self.mock_proto.add_topology_config(topology, constants.TOPOLOGY_CONTAINER_CPU_REQUESTED, 42)
self.assertEqual(42, topology_helpers.get_cpus_per_container(topology))
def test_get_user_rammap(self):
topology = self.mock_proto.create_mock_simple_topology()
self.mock_proto.add_topology_config(
topology, constants.TOPOLOGY_COMPONENT_RAMMAP, "mock_spout:2,mock_bolt:3")
self.assertEqual({"mock_spout":2, "mock_bolt":3}, topology_helpers.get_user_rammap(topology))
def test_get_component_distribution(self):
topology = self.mock_proto.create_mock_simple_topology(4, 8)
self.mock_proto.add_topology_config(topology, constants.TOPOLOGY_STMGRS, 4)
component_distribution = topology_helpers.get_component_distribution(topology)
expected_component_distribution = {
1: [
("mock_bolt", "1", "0"),
("mock_bolt", "5", "4"),
("mock_spout", "9", "0")
],
2: [
("mock_bolt", "2", "1"),
("mock_bolt", "6", "5"),
("mock_spout", "10", "1")
],
3: [
("mock_bolt", "3", "2"),
("mock_bolt", "7", "6"),
("mock_spout", "11", "2")
],
4: [
("mock_bolt", "4", "3"),
("mock_bolt", "8", "7"),
("mock_spout", "12", "3")
]
}
self.assertEqual(expected_component_distribution, component_distribution)
def test_get_component_rammap(self):
# Mock a few methods
# This is not a good way since this shows the internals
# of the method. These methods need to be changed.
# For example, ram_per_contaner could be taken as an argument.
original_ram_for_stmgr = constants.RAM_FOR_STMGR
constants.RAM_FOR_STMGR = 2
# When rammap is specified, it should be used.
topology = self.mock_proto.create_mock_simple_topology(4, 8)
self.mock_proto.add_topology_config(
topology, constants.TOPOLOGY_COMPONENT_RAMMAP, "mock_spout:2,mock_bolt:3")
self.assertEqual(
{"mock_spout":2, "mock_bolt":3}, topology_helpers.get_component_rammap(topology))
# When partial rammap is specified, rest of the components should get default
topology = self.mock_proto.create_mock_simple_topology(4, 8)
self.mock_proto.add_topology_config(
topology, constants.TOPOLOGY_COMPONENT_RAMMAP, "mock_spout:2")
expected_component_rammap = {
"mock_spout": 2,
"mock_bolt": constants.DEFAULT_RAM_FOR_INSTANCE
}
self.assertEqual(expected_component_rammap, topology_helpers.get_component_rammap(topology))
# When container ram is specified.
topology = self.mock_proto.create_mock_simple_topology(4, 8)
self.mock_proto.add_topology_config(topology, constants.TOPOLOGY_STMGRS, 4)
self.mock_proto.add_topology_config(topology, constants.TOPOLOGY_CONTAINER_RAM_REQUESTED, 8)
expected_component_rammap = {
"mock_spout": 2,
"mock_bolt": 2
}
component_rammap = topology_helpers.get_component_rammap(topology)
self.assertEqual(expected_component_rammap, component_rammap)
# When nothing is specified.
topology = self.mock_proto.create_mock_simple_topology(4, 8)
component_rammap = topology_helpers.get_component_rammap(topology)
expected_component_rammap = {
"mock_spout": constants.DEFAULT_RAM_FOR_INSTANCE,
"mock_bolt": constants.DEFAULT_RAM_FOR_INSTANCE
}
self.assertEqual(expected_component_rammap, component_rammap)
# Unmock the things that we mocked.
constants.RAM_FOR_STMGR = original_ram_for_stmgr
def test_get_ram_per_container(self):
# Mock a few things
original_ram_for_stmgr = constants.RAM_FOR_STMGR
constants.RAM_FOR_STMGR = 2
original_default_ram_for_instance = constants.DEFAULT_RAM_FOR_INSTANCE
constants.DEFAULT_RAM_FOR_INSTANCE = 1
# When rammap is specified
topology = self.mock_proto.create_mock_simple_topology(4, 8)
self.mock_proto.add_topology_config(
topology, constants.TOPOLOGY_COMPONENT_RAMMAP, "mock_spout:2,mock_bolt:3")
self.mock_proto.add_topology_config(topology, constants.TOPOLOGY_STMGRS, 4)
self.assertEqual(10, topology_helpers.get_ram_per_container(topology))
# When partial rammap is specified, rest of the components should get default
topology = self.mock_proto.create_mock_simple_topology(4, 8)
self.mock_proto.add_topology_config(
topology, constants.TOPOLOGY_COMPONENT_RAMMAP, "mock_spout:2")
self.mock_proto.add_topology_config(topology, constants.TOPOLOGY_STMGRS, 4)
expected_ram_per_container = 6
self.assertEqual(expected_ram_per_container, topology_helpers.get_ram_per_container(topology))
# If container ram is specified
topology = self.mock_proto.create_mock_simple_topology(4, 8)
requested_ram = 15000
self.mock_proto.add_topology_config(
topology, constants.TOPOLOGY_CONTAINER_RAM_REQUESTED, str(requested_ram))
# Difference should be less than the total instances
self.assertLess(abs(topology_helpers.get_ram_per_container(topology) - requested_ram), 12)
# When nothing is specified
topology = self.mock_proto.create_mock_simple_topology(4, 8)
self.mock_proto.add_topology_config(topology, constants.TOPOLOGY_STMGRS, 4)
expected_ram_per_container = 5
self.assertEqual(expected_ram_per_container, topology_helpers.get_ram_per_container(topology))
# Unmock the things that we mocked.
constants.RAM_FOR_STMGR = original_ram_for_stmgr
constants.DEFAULT_RAM_FOR_INSTANCE = original_default_ram_for_instance
class TopologyHelpersTest(unittest.TestCase):
def setUp(self):
self.mock_proto = MockProto()
def test_get_component_parallelism(self):
topology = self.mock_proto.create_mock_medium_topology(1, 2, 3, 4)
cmap = topology_helpers.get_component_parallelism(topology)
self.assertEqual(1, cmap["mock_spout1"])
self.assertEqual(2, cmap["mock_bolt1"])
self.assertEqual(3, cmap["mock_bolt2"])
self.assertEqual(4, cmap["mock_bolt3"])
def test_get_disk_per_container(self):
# We would have 9 instances
topology = self.mock_proto.create_mock_medium_topology(1, 2, 3, 4)
# First try with 1 container, so the disk request should be:
# 10 * GB + Padding_Disk (12GB) = 22GB
default_disk = topology_helpers.get_disk_per_container(topology)
self.assertEqual(22 * constants.GB, default_disk)
# Then try with 4 container, so the disk request should be:
# 10/4 = 2.5 -> 3 (round to ceiling) + 12 = 15GB
self.mock_proto.add_topology_config(topology,
constants.TOPOLOGY_STMGRS, 4)
self.assertEqual(15 * constants.GB,
topology_helpers.get_disk_per_container(topology))
# Then let's set the disk_per_container explicitly
self.mock_proto.add_topology_config(
topology, constants.TOPOLOGY_CONTAINER_DISK_REQUESTED, 950109)
# The add_topology_config will convert config into string
self.assertEqual(str(950109),
topology_helpers.get_disk_per_container(topology))
def test_get_total_instances(self):
topology = self.mock_proto.create_mock_medium_topology(3, 4, 5, 6)
num_instances = topology_helpers.get_total_instances(topology)
self.assertEqual(18, num_instances)
def test_sane(self):
# Make wrong topology names
topology = self.mock_proto.create_mock_simple_topology()
topology.name = ""
self.assertFalse(topology_helpers.sane(topology))
topology = self.mock_proto.create_mock_simple_topology()
topology.name = "test.with.a.dot"
self.assertFalse(topology_helpers.sane(topology))
topology = self.mock_proto.create_mock_simple_topology()
topology.name = "test/with/a/slash"
self.assertFalse(topology_helpers.sane(topology))
# Add another spout with the same name
topology = self.mock_proto.create_mock_simple_topology()
topology.spouts.extend(
[self.mock_proto.create_mock_spout("mock_spout", [], 1)])
self.assertFalse(topology_helpers.sane(topology))
# Add another bolt with the same name
topology = self.mock_proto.create_mock_simple_topology()
topology.bolts.extend(
[self.mock_proto.create_mock_bolt("mock_bolt", [], [], 1)])
self.assertFalse(topology_helpers.sane(topology))
# If num containers are greater than num instances
topology = self.mock_proto.create_mock_simple_topology(1, 1)
self.mock_proto.add_topology_config(topology,
constants.TOPOLOGY_STMGRS, 4)
self.assertFalse(topology_helpers.sane(topology))
# If rammap is partial with less componenets
topology = self.mock_proto.create_mock_simple_topology()
self.mock_proto.add_topology_config(
topology, constants.TOPOLOGY_COMPONENT_RAMMAP, "mock_spout:1")
self.assertTrue(topology_helpers.sane(topology))
# If rammap is not well formatted
topology = self.mock_proto.create_mock_simple_topology()
self.mock_proto.add_topology_config(
topology, constants.TOPOLOGY_COMPONENT_RAMMAP,
"mock_spout:1:2,mock_bolt:2:3")
self.assertFalse(topology_helpers.sane(topology))
# If rammap has wrong component name
topology = self.mock_proto.create_mock_simple_topology()
self.mock_proto.add_topology_config(
topology, constants.TOPOLOGY_COMPONENT_RAMMAP,
"wrong_mock_spout:1,mock_bolt:2")
self.assertFalse(topology_helpers.sane(topology))
# If everything is right
topology = self.mock_proto.create_mock_simple_topology()
self.mock_proto.add_topology_config(
topology, constants.TOPOLOGY_COMPONENT_RAMMAP,
"mock_spout:1,mock_bolt:2")
self.assertTrue(topology_helpers.sane(topology))
def test_num_cpus_per_container(self):
topology = self.mock_proto.create_mock_simple_topology(2, 2)
self.mock_proto.add_topology_config(topology,
constants.TOPOLOGY_STMGRS, 4)
self.assertEqual(2, topology_helpers.get_cpus_per_container(topology))
topology = self.mock_proto.create_mock_simple_topology(2, 2)
self.mock_proto.add_topology_config(
topology, constants.TOPOLOGY_CONTAINER_CPU_REQUESTED, 42)
self.assertEqual(42, topology_helpers.get_cpus_per_container(topology))
def test_get_user_rammap(self):
topology = self.mock_proto.create_mock_simple_topology()
self.mock_proto.add_topology_config(
topology, constants.TOPOLOGY_COMPONENT_RAMMAP,
"mock_spout:2,mock_bolt:3")
self.assertEqual({
"mock_spout": 2,
"mock_bolt": 3
}, topology_helpers.get_user_rammap(topology))
def test_get_component_distribution(self):
topology = self.mock_proto.create_mock_simple_topology(4, 8)
self.mock_proto.add_topology_config(topology,
constants.TOPOLOGY_STMGRS, 4)
component_distribution = topology_helpers.get_component_distribution(
topology)
expected_component_distribution = {
1: [("mock_bolt", "1", "0"), ("mock_bolt", "5", "4"),
("mock_spout", "9", "0")],
2: [("mock_bolt", "2", "1"), ("mock_bolt", "6", "5"),
("mock_spout", "10", "1")],
3: [("mock_bolt", "3", "2"), ("mock_bolt", "7", "6"),
("mock_spout", "11", "2")],
4: [("mock_bolt", "4", "3"), ("mock_bolt", "8", "7"),
("mock_spout", "12", "3")]
}
self.assertEqual(expected_component_distribution,
component_distribution)
def test_get_component_rammap(self):
# Mock a few methods
# This is not a good way since this shows the internals
# of the method. These methods need to be changed.
# For example, ram_per_contaner could be taken as an argument.
original_ram_for_stmgr = constants.RAM_FOR_STMGR
constants.RAM_FOR_STMGR = 2
# When rammap is specified, it should be used.
topology = self.mock_proto.create_mock_simple_topology(4, 8)
self.mock_proto.add_topology_config(
topology, constants.TOPOLOGY_COMPONENT_RAMMAP,
"mock_spout:2,mock_bolt:3")
self.assertEqual({
"mock_spout": 2,
"mock_bolt": 3
}, topology_helpers.get_component_rammap(topology))
# When partial rammap is specified, rest of the components should get default
topology = self.mock_proto.create_mock_simple_topology(4, 8)
self.mock_proto.add_topology_config(
topology, constants.TOPOLOGY_COMPONENT_RAMMAP, "mock_spout:2")
expected_component_rammap = {
"mock_spout": 2,
"mock_bolt": constants.DEFAULT_RAM_FOR_INSTANCE
}
self.assertEqual(expected_component_rammap,
topology_helpers.get_component_rammap(topology))
# When container ram is specified.
topology = self.mock_proto.create_mock_simple_topology(4, 8)
self.mock_proto.add_topology_config(topology,
constants.TOPOLOGY_STMGRS, 4)
self.mock_proto.add_topology_config(
topology, constants.TOPOLOGY_CONTAINER_RAM_REQUESTED, 8)
expected_component_rammap = {"mock_spout": 2, "mock_bolt": 2}
component_rammap = topology_helpers.get_component_rammap(topology)
self.assertEqual(expected_component_rammap, component_rammap)
# When nothing is specified.
topology = self.mock_proto.create_mock_simple_topology(4, 8)
component_rammap = topology_helpers.get_component_rammap(topology)
expected_component_rammap = {
"mock_spout": constants.DEFAULT_RAM_FOR_INSTANCE,
"mock_bolt": constants.DEFAULT_RAM_FOR_INSTANCE
}
self.assertEqual(expected_component_rammap, component_rammap)
# Unmock the things that we mocked.
constants.RAM_FOR_STMGR = original_ram_for_stmgr
def test_get_ram_per_container(self):
# Mock a few things
original_ram_for_stmgr = constants.RAM_FOR_STMGR
constants.RAM_FOR_STMGR = 2
original_default_ram_for_instance = constants.DEFAULT_RAM_FOR_INSTANCE
constants.DEFAULT_RAM_FOR_INSTANCE = 1
# When rammap is specified
topology = self.mock_proto.create_mock_simple_topology(4, 8)
self.mock_proto.add_topology_config(
topology, constants.TOPOLOGY_COMPONENT_RAMMAP,
"mock_spout:2,mock_bolt:3")
self.mock_proto.add_topology_config(topology,
constants.TOPOLOGY_STMGRS, 4)
self.assertEqual(10, topology_helpers.get_ram_per_container(topology))
# When partial rammap is specified, rest of the components should get default
topology = self.mock_proto.create_mock_simple_topology(4, 8)
self.mock_proto.add_topology_config(
topology, constants.TOPOLOGY_COMPONENT_RAMMAP, "mock_spout:2")
self.mock_proto.add_topology_config(topology,
constants.TOPOLOGY_STMGRS, 4)
expected_ram_per_container = 6
self.assertEqual(expected_ram_per_container,
topology_helpers.get_ram_per_container(topology))
# If container ram is specified
topology = self.mock_proto.create_mock_simple_topology(4, 8)
requested_ram = 15000
self.mock_proto.add_topology_config(
topology, constants.TOPOLOGY_CONTAINER_RAM_REQUESTED,
str(requested_ram))
# Difference should be less than the total instances
self.assertLess(
abs(
topology_helpers.get_ram_per_container(topology) -
requested_ram), 12)
# When nothing is specified
topology = self.mock_proto.create_mock_simple_topology(4, 8)
self.mock_proto.add_topology_config(topology,
constants.TOPOLOGY_STMGRS, 4)
expected_ram_per_container = 5
self.assertEqual(expected_ram_per_container,
topology_helpers.get_ram_per_container(topology))
# Unmock the things that we mocked.
constants.RAM_FOR_STMGR = original_ram_for_stmgr
constants.DEFAULT_RAM_FOR_INSTANCE = original_default_ram_for_instance
def setUp(self): self.mock_proto = MockProto()
def setUp(self):
self.mock_proto = MockProto()
