Use pyalpm instead of running pacman multiple times (fixes #39)

tests/test_decman_plugins_aur_package.py

@@ -8,7 +8,6 @@ from decman.plugins.aur.package import (
     CustomPackage,
     PackageInfo,
     PackageSearch,
-    strip_dependency,
 )
 
 
@@ -24,23 +23,6 @@ def silence_output(monkeypatch):
     )
 
 
-# --- strip_dependency ------------------------------------------------------
-
-
-@pytest.mark.parametrize(
-    "dep,expected",
-    [
-        ("foo", "foo"),
-        ("foo=1.0", "foo"),
-        ("bar>=2", "bar"),
-        ("baz<3", "baz"),
-        ("multi=1.0-2", "multi"),
-    ],
-)
-def test_strip_dependency(dep, expected):
-    assert strip_dependency(dep) == expected
-
-
 # --- PackageInfo -----------------------------------------------------------