61 lines
2.8 KiB
Python
61 lines
2.8 KiB
Python
# Copyright 2022 The Kubeflow Authors
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from absl.testing import parameterized
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from kfp.components import for_loop
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from kfp.components import pipeline_context
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from kfp.components import tasks_group
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class ParallelForTest(parameterized.TestCase):
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def test_basic(self):
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loop_items = ['pizza', 'hotdog', 'pasta']
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with pipeline_context.Pipeline('pipeline') as p:
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with tasks_group.ParallelFor(items=loop_items) as parallel_for:
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loop_argument = for_loop.LoopArgument.from_raw_items(
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loop_items, '1')
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self.assertEqual(parallel_for.group_type, 'for-loop')
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self.assertEqual(parallel_for.parallelism, 0)
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self.assertEqual(parallel_for.loop_argument, loop_argument)
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def test_parallelfor_valid_parallelism(self):
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loop_items = ['pizza', 'hotdog', 'pasta']
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with pipeline_context.Pipeline('pipeline') as p:
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with tasks_group.ParallelFor(
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items=loop_items, parallelism=3) as parallel_for:
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loop_argument = for_loop.LoopArgument.from_raw_items(
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loop_items, '1')
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self.assertEqual(parallel_for.group_type, 'for-loop')
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self.assertEqual(parallel_for.parallelism, 3)
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self.assertEqual(parallel_for.loop_argument, loop_argument)
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def test_parallelfor_zero_parallelism(self):
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loop_items = ['pizza', 'hotdog', 'pasta']
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with pipeline_context.Pipeline('pipeline') as p:
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with tasks_group.ParallelFor(
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items=loop_items, parallelism=0) as parallel_for:
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loop_argument = for_loop.LoopArgument.from_raw_items(
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loop_items, '1')
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self.assertEqual(parallel_for.group_type, 'for-loop')
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self.assertEqual(parallel_for.parallelism, 0)
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self.assertEqual(parallel_for.loop_argument, loop_argument)
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def test_parallelfor_invalid_parallelism(self):
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loop_items = ['pizza', 'hotdog', 'pasta']
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with self.assertRaisesRegex(ValueError,
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'ParallelFor parallelism must be >= 0.'):
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with pipeline_context.Pipeline('pipeline') as p:
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tasks_group.ParallelFor(items=loop_items, parallelism=-1)
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