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2020 resolver can constrain path/URL to versions

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This commit is contained in:
Tzu-ping Chung 2020-11-21 22:13:18 +08:00
parent 9efafb186f
commit c3670b36cb
1 changed files with 23 additions and 5 deletions
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28
tests/functional/test_new_resolver.py
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@ -712,22 +712,40 @@ def test_new_resolver_constraint_on_dependency(script):
assert_installed(script, dep="2.0") assert_installed(script, dep="2.0")
def test_new_resolver_constraint_on_path(script): @pytest.mark.parametrize(
"constraint_version, expect_error, message",
[
("1.0", True, "ERROR: No matching distribution found for foo 2.0"),
("2.0", False, "Successfully installed foo-2.0"),
],
)
def test_new_resolver_constraint_on_path_empty(
script,
constraint_version,
expect_error,
message,
):
"""A path requirement can be filtered by a constraint.
"""
setup_py = script.scratch_path / "setup.py" setup_py = script.scratch_path / "setup.py"
text = "from setuptools import setup\nsetup(name='foo', version='2.0')" text = "from setuptools import setup\nsetup(name='foo', version='2.0')"
setup_py.write_text(text) setup_py.write_text(text)
constraints_txt = script.scratch_path / "constraints.txt" constraints_txt = script.scratch_path / "constraints.txt"
constraints_txt.write_text("foo==1.0") constraints_txt.write_text("foo=={}".format(constraint_version))
result = script.pip( result = script.pip(
"install", "install",
"--no-cache-dir", "--no-index", "--no-cache-dir", "--no-index",
"-c", constraints_txt, "-c", constraints_txt,
str(script.scratch_path), str(script.scratch_path),
expect_error=True, expect_error=expect_error,
) )
msg = "installation from path or url cannot be constrained to a version" if expect_error:
assert msg in result.stderr, str(result) assert message in result.stderr, str(result)
else:
assert message in result.stdout, str(result)
def test_new_resolver_constraint_only_marker_match(script): def test_new_resolver_constraint_only_marker_match(script):