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-rw-r--r--pkg_resources/tests/test_resources.py99
1 files changed, 93 insertions, 6 deletions
diff --git a/pkg_resources/tests/test_resources.py b/pkg_resources/tests/test_resources.py
index 98b8dcd7..31847dc8 100644
--- a/pkg_resources/tests/test_resources.py
+++ b/pkg_resources/tests/test_resources.py
@@ -171,16 +171,100 @@ class TestDistro:
msg = 'Foo 0.9 is installed but Foo==1.2 is required'
assert vc.value.report() == msg
- @pytest.mark.xfail(reason="Functionality disabled; see #523")
- def test_environment_markers(self):
- """
- Environment markers are evaluated at resolution time.
- """
+ def test_environment_marker_evaluation_negative(self):
+ """Environment markers are evaluated at resolution time."""
ad = pkg_resources.Environment([])
ws = WorkingSet([])
res = ws.resolve(parse_requirements("Foo;python_version<'2'"), ad)
assert list(res) == []
+ def test_environment_marker_evaluation_positive(self):
+ ad = pkg_resources.Environment([])
+ ws = WorkingSet([])
+ Foo = Distribution.from_filename("/foo_dir/Foo-1.2.dist-info")
+ ad.add(Foo)
+ res = ws.resolve(parse_requirements("Foo;python_version>='2'"), ad)
+ assert list(res) == [Foo]
+
+ def test_environment_marker_evaluation_called(self):
+ """
+ If one package foo requires bar without any extras,
+ markers should pass for bar without extras.
+ """
+ parent_req, = parse_requirements("foo")
+ req, = parse_requirements("bar;python_version>='2'")
+ req_extras = pkg_resources._ReqExtras({req: parent_req.extras})
+ assert req_extras.markers_pass(req)
+
+ parent_req, = parse_requirements("foo[]")
+ req, = parse_requirements("bar;python_version>='2'")
+ req_extras = pkg_resources._ReqExtras({req: parent_req.extras})
+ assert req_extras.markers_pass(req)
+
+ def test_marker_evaluation_with_extras(self):
+ """Extras are also evaluated as markers at resolution time."""
+ ad = pkg_resources.Environment([])
+ ws = WorkingSet([])
+ # Metadata needs to be native strings due to cStringIO behaviour in
+ # 2.6, so use str().
+ Foo = Distribution.from_filename(
+ "/foo_dir/Foo-1.2.dist-info",
+ metadata=Metadata(("METADATA", str("Provides-Extra: baz\n"
+ "Requires-Dist: quux; extra=='baz'")))
+ )
+ ad.add(Foo)
+ assert list(ws.resolve(parse_requirements("Foo"), ad)) == [Foo]
+ quux = Distribution.from_filename("/foo_dir/quux-1.0.dist-info")
+ ad.add(quux)
+ res = list(ws.resolve(parse_requirements("Foo[baz]"), ad))
+ assert res == [Foo,quux]
+
+ def test_marker_evaluation_with_multiple_extras(self):
+ ad = pkg_resources.Environment([])
+ ws = WorkingSet([])
+ # Metadata needs to be native strings due to cStringIO behaviour in
+ # 2.6, so use str().
+ Foo = Distribution.from_filename(
+ "/foo_dir/Foo-1.2.dist-info",
+ metadata=Metadata(("METADATA", str("Provides-Extra: baz\n"
+ "Requires-Dist: quux; extra=='baz'\n"
+ "Provides-Extra: bar\n"
+ "Requires-Dist: fred; extra=='bar'\n")))
+ )
+ ad.add(Foo)
+ quux = Distribution.from_filename("/foo_dir/quux-1.0.dist-info")
+ ad.add(quux)
+ fred = Distribution.from_filename("/foo_dir/fred-0.1.dist-info")
+ ad.add(fred)
+ res = list(ws.resolve(parse_requirements("Foo[baz,bar]"), ad))
+ assert sorted(res) == [fred,quux,Foo]
+
+ def test_marker_evaluation_with_extras_loop(self):
+ ad = pkg_resources.Environment([])
+ ws = WorkingSet([])
+ # Metadata needs to be native strings due to cStringIO behaviour in
+ # 2.6, so use str().
+ a = Distribution.from_filename(
+ "/foo_dir/a-0.2.dist-info",
+ metadata=Metadata(("METADATA", str("Requires-Dist: c[a]")))
+ )
+ b = Distribution.from_filename(
+ "/foo_dir/b-0.3.dist-info",
+ metadata=Metadata(("METADATA", str("Requires-Dist: c[b]")))
+ )
+ c = Distribution.from_filename(
+ "/foo_dir/c-1.0.dist-info",
+ metadata=Metadata(("METADATA", str("Provides-Extra: a\n"
+ "Requires-Dist: b;extra=='a'\n"
+ "Provides-Extra: b\n"
+ "Requires-Dist: foo;extra=='b'")))
+ )
+ foo = Distribution.from_filename("/foo_dir/foo-0.1.dist-info")
+ for dist in (a, b, c, foo):
+ ad.add(dist)
+ res = list(ws.resolve(parse_requirements("a"), ad))
+ assert res == [a, c, b, foo]
+
def testDistroDependsOptions(self):
d = self.distRequires("""
Twisted>=1.5
@@ -313,7 +397,10 @@ class TestEntryPoints:
def checkSubMap(self, m):
assert len(m) == len(self.submap_expect)
for key, ep in self.submap_expect.items():
- assert repr(m.get(key)) == repr(ep)
+ assert m.get(key).name == ep.name
+ assert m.get(key).module_name == ep.module_name
+ assert sorted(m.get(key).attrs) == sorted(ep.attrs)
+ assert sorted(m.get(key).extras) == sorted(ep.extras)
submap_expect = dict(
feature1=EntryPoint('feature1', 'somemodule', ['somefunction']),