lightning/tests/plugins/environments/test_kubeflow_environment.py

88 lines
2.4 KiB
Python

import logging
import os
from unittest import mock
import pytest
from pytorch_lightning.plugins.environments import KubeflowEnvironment
@mock.patch.dict(os.environ, {})
def test_default_attributes():
""" Test the default attributes when no environment variables are set. """
env = KubeflowEnvironment()
assert env.creates_children()
with pytest.raises(KeyError):
# MASTER_ADDR is required
env.master_address()
with pytest.raises(KeyError):
# MASTER_PORT is required
env.master_port()
with pytest.raises(KeyError):
# WORLD_SIZE is required
env.world_size()
with pytest.raises(KeyError):
# RANK is required
env.global_rank()
assert env.local_rank() == 0
@mock.patch.dict(
os.environ, {
"KUBERNETES_PORT": "tcp://127.0.0.1:443",
"MASTER_ADDR": "1.2.3.4",
"MASTER_PORT": "500",
"WORLD_SIZE": "20",
"RANK": "1",
}
)
def test_attributes_from_environment_variables(caplog):
""" Test that the torchelastic cluster environment takes the attributes from the environment variables. """
env = KubeflowEnvironment()
assert env.master_address() == "1.2.3.4"
assert env.master_port() == 500
assert env.world_size() == 20
assert env.global_rank() == 1
assert env.local_rank() == 0
assert env.node_rank() == 1
# setter should be no-op
with caplog.at_level(logging.DEBUG, logger="pytorch_lightning.plugins.environments"):
env.set_global_rank(100)
assert env.global_rank() == 1
assert "setting global rank is not allowed" in caplog.text
caplog.clear()
with caplog.at_level(logging.DEBUG, logger="pytorch_lightning.plugins.environments"):
env.set_world_size(100)
assert env.world_size() == 20
assert "setting world size is not allowed" in caplog.text
@mock.patch.dict(
os.environ, {
"KUBERNETES_PORT": "tcp://127.0.0.1:443",
"MASTER_ADDR": "1.2.3.4",
"MASTER_PORT": "500",
"WORLD_SIZE": "20",
"RANK": "1",
}
)
def test_is_using_kubeflow():
assert KubeflowEnvironment.is_using_kubeflow()
@mock.patch.dict(
os.environ, {
"KUBERNETES_PORT": "tcp://127.0.0.1:443",
"MASTER_ADDR": "1.2.3.4",
"MASTER_PORT": "500",
"WORLD_SIZE": "20",
"RANK": "1",
"GROUP_RANK": "1",
}
)
def test_is_using_kubeflow_torchelastic():
assert not KubeflowEnvironment.is_using_kubeflow()