mirror of https://github.com/docker/compose.git
74 lines
1.4 KiB
Python
74 lines
1.4 KiB
Python
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from __future__ import absolute_import
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from __future__ import unicode_literals
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import six
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from docker.errors import APIError
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from compose.parallel import parallel_execute
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web = 'web'
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db = 'db'
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data_volume = 'data_volume'
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cache = 'cache'
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objects = [web, db, data_volume, cache]
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deps = {
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web: [db, cache],
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db: [data_volume],
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data_volume: [],
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cache: [],
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}
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def test_parallel_execute():
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results = parallel_execute(
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objects=[1, 2, 3, 4, 5],
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func=lambda x: x * 2,
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get_name=six.text_type,
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msg="Doubling",
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)
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assert sorted(results) == [2, 4, 6, 8, 10]
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def test_parallel_execute_with_deps():
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log = []
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def process(x):
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log.append(x)
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parallel_execute(
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objects=objects,
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func=process,
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get_name=lambda obj: obj,
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msg="Processing",
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get_deps=lambda obj: deps[obj],
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)
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assert sorted(log) == sorted(objects)
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assert log.index(data_volume) < log.index(db)
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assert log.index(db) < log.index(web)
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assert log.index(cache) < log.index(web)
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def test_parallel_execute_with_upstream_errors():
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log = []
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def process(x):
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if x is data_volume:
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raise APIError(None, None, "Something went wrong")
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log.append(x)
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parallel_execute(
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objects=objects,
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func=process,
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get_name=lambda obj: obj,
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msg="Processing",
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get_deps=lambda obj: deps[obj],
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)
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assert log == [cache]
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