+VARIANT_TESTS = [
+(('~strasse,~straße -> str', '~weg => weg'), "hallo", {'hallo'}),
+(('weg => wg',), "holzweg", {'holzweg'}),
+(('weg -> wg',), "holzweg", {'holzweg'}),
+(('~weg => weg',), "holzweg", {'holz weg', 'holzweg'}),
+(('~weg -> weg',), "holzweg", {'holz weg', 'holzweg'}),
+(('~weg => w',), "holzweg", {'holz w', 'holzw'}),
+(('~weg -> w',), "holzweg", {'holz weg', 'holzweg', 'holz w', 'holzw'}),
+(('~weg => weg',), "Meier Weg", {'meier weg', 'meierweg'}),
+(('~weg -> weg',), "Meier Weg", {'meier weg', 'meierweg'}),
+(('~weg => w',), "Meier Weg", {'meier w', 'meierw'}),
+(('~weg -> w',), "Meier Weg", {'meier weg', 'meierweg', 'meier w', 'meierw'}),
+(('weg => wg',), "Meier Weg", {'meier wg'}),
+(('weg -> wg',), "Meier Weg", {'meier weg', 'meier wg'}),
+(('~strasse,~straße -> str', '~weg => weg'), "Bauwegstraße",
+ {'bauweg straße', 'bauweg str', 'bauwegstraße', 'bauwegstr'}),
+(('am => a', 'bach => b'), "am bach", {'a b'}),
+(('am => a', '~bach => b'), "am bach", {'a b'}),
+(('am -> a', '~bach -> b'), "am bach", {'am bach', 'a bach', 'am b', 'a b'}),
+(('am -> a', '~bach -> b'), "ambach", {'ambach', 'am bach', 'amb', 'am b'}),
+(('saint -> s,st', 'street -> st'), "Saint Johns Street",
+ {'saint johns street', 's johns street', 'st johns street',
+ 'saint johns st', 's johns st', 'st johns st'}),
+(('river$ -> r',), "River Bend Road", {'river bend road'}),
+(('river$ -> r',), "Bent River", {'bent river', 'bent r'}),
+(('^north => n',), "North 2nd Street", {'n 2nd street'}),
+(('^north => n',), "Airport North", {'airport north'}),
+(('am -> a',), "am am am am am am am am", {'am am am am am am am am'}),
+(('am => a',), "am am am am am am am am", {'a a a a a a a a'})
+]
+
+@pytest.mark.parametrize("rules,name,variants", VARIANT_TESTS)
+def test_variants(cfgfile, rules, name, variants):
+ fpath = cfgfile(*rules)
+ proc = ICUNameProcessor(ICUNameProcessorRules(loader=ICURuleLoader(fpath)))
+
+ result = get_normalized_variants(proc, name)
+
+ assert len(result) == len(set(result))
+ assert set(get_normalized_variants(proc, name)) == variants