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