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Improve utility to test installed env 

Make assert_installed actually check the provided entries against the
pip --list output.

Add assert_not_installed to check for the reverse.
This commit is contained in:
Tzu-ping Chung 2020-03-26 01:47:22 +08:00
parent 3cb7a08f0d
commit 1a210d1c62
1 changed files with 9 additions and 1 deletions
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10
tests/functional/test_new_resolver.py
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@ -9,7 +9,15 @@ def assert_installed(script, **kwargs):
(val['name'], val['version'])
for val in json.loads(ret.stdout)
)
assert set(kwargs.items()) <= installed
assert all(item in installed for item in kwargs.items()), \
"{!r} not all in {!r}".format(kwargs, installed)
def assert_not_installed(script, *args):
ret = script.pip("list", "--format=json")
installed = set(val["name"] for val in json.loads(ret.stdout))
assert all(a not in installed for a in args), \
"{!r} contained in {!r}".format(args, installed)
def test_new_resolver_can_install(script):