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test_ds_arguments.py 2.57 KB
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Olatunji Ruwase's avatar
Improve doc string for add_XXX_arguments (#32)  
Olatunji Ruwase committed
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import argparse
import pytest
import deepspeed


def basic_parser():
    parser = argparse.ArgumentParser()
    parser.add_argument('--num_epochs', type=int)
    return parser


def test_no_ds_arguments_no_ds_parser():
    parser = basic_parser()
    args = parser.parse_args(['--num_epochs', '2'])
    assert args

    assert hasattr(args, 'num_epochs')
    assert args.num_epochs == 2

    assert not hasattr(args, 'deepspeed')
    assert not hasattr(args, 'deepspeed_config')


def test_no_ds_arguments():
    parser = basic_parser()
    parser = deepspeed.add_config_arguments(parser)
    args = parser.parse_args(['--num_epochs', '2'])
    assert args

    assert hasattr(args, 'num_epochs')
    assert args.num_epochs == 2

    assert hasattr(args, 'deepspeed')
    assert args.deepspeed == False

    assert hasattr(args, 'deepspeed_config')
    assert args.deepspeed_config == None


def test_no_ds_enable_argument():
    parser = basic_parser()
    parser = deepspeed.add_config_arguments(parser)
    args = parser.parse_args(['--num_epochs', '2', '--deepspeed_config', 'foo.json'])
    assert args

    assert hasattr(args, 'num_epochs')
    assert args.num_epochs == 2

    assert hasattr(args, 'deepspeed')
    assert args.deepspeed == False

    assert hasattr(args, 'deepspeed_config')
    assert type(args.deepspeed_config) == str
    assert args.deepspeed_config == 'foo.json'


def test_no_ds_config_argument():
    parser = basic_parser()
    parser = deepspeed.add_config_arguments(parser)
    args = parser.parse_args(['--num_epochs', '2', '--deepspeed'])
    assert args

    assert hasattr(args, 'num_epochs')
    assert args.num_epochs == 2

    assert hasattr(args, 'deepspeed')
    assert type(args.deepspeed) == bool
    assert args.deepspeed == True

    assert hasattr(args, 'deepspeed_config')
    assert args.deepspeed_config == None


def test_no_ds_parser():
    parser = basic_parser()
    with pytest.raises(SystemExit):
        args = parser.parse_args(['--num_epochs', '2', '--deepspeed'])


def test_core_deepscale_arguments():
    parser = basic_parser()
    parser = deepspeed.add_config_arguments(parser)
    args = parser.parse_args(
        ['--num_epochs',
         '2',
         '--deepspeed',
         '--deepspeed_config',
         'foo.json'])
    assert args

    assert hasattr(args, 'num_epochs')
    assert args.num_epochs == 2

    assert hasattr(args, 'deepspeed')
    assert type(args.deepspeed) == bool
    assert args.deepspeed == True

    assert hasattr(args, 'deepspeed_config')
    assert type(args.deepspeed_config) == str
    assert args.deepspeed_config == 'foo.json'