fix: use apk scheme for Alpine packages

fixes: #191

Signed-off-by: Keshav Priyadarshi <git@keshav.space>

Author: keshav-space

src/univers/version_range.py

@@ -1016,7 +1016,7 @@ class EbuildVersionRange(VersionRange):
 
 
 class AlpineLinuxVersionRange(VersionRange):
-    scheme = "alpine"
+    scheme = "apk"
     version_class = versions.AlpineLinuxVersion
 
 

tests/test_version_range.py

@@ -220,6 +220,13 @@ def test_AlpineLinuxVersionRange_from_versions():
     assert version_range == expected
 
 
+def test_AlpineLinuxVersionRange_has_apk_scheme():
+    sequence = ["3.18.0", "2.14.9-r1", "3.0.0"]
+    expected = "vers:apk/2.14.9-r1|3.0.0|3.18.0"
+    version_range = AlpineLinuxVersionRange.from_versions(sequence).to_string()
+    assert version_range == expected
+
+
 def test_VersionRange_from_versions_with_empty_constraints():
     sequence = []
     expected = None