traxsource: helper _split_title_mix + _format_artists + _large_cover + eccezioni

tests/test_traxsource.py

@@ -45,3 +45,53 @@ class TestTraxsourceTrack:
         )
         assert t.image_url == ""
         assert t.cover_url_large == ""
+
+
+class TestSplitTitleMix:
+    def test_with_parens(self):
+        assert traxsource._split_title_mix("Foo (Extended Mix)") == ("Foo", "Extended Mix")
+
+    def test_without_parens(self):
+        assert traxsource._split_title_mix("Foo") == ("Foo", "")
+
+    def test_multiple_parens_takes_last(self):
+        # es. "Foo (feat. Bar) (Original Mix)" -> mix = "Original Mix"
+        assert traxsource._split_title_mix("Foo (feat. Bar) (Original Mix)") == ("Foo (feat. Bar)", "Original Mix")
+
+    def test_empty(self):
+        assert traxsource._split_title_mix("") == ("", "")
+
+
+class TestFormatArtists:
+    def test_single(self):
+        assert traxsource._format_artists(["Kapuchon"]) == "Kapuchon"
+
+    def test_two(self):
+        assert traxsource._format_artists(["A", "B"]) == "A & B"
+
+    def test_three(self):
+        assert traxsource._format_artists(["A", "B", "C"]) == "A, B & C"
+
+    def test_empty(self):
+        assert traxsource._format_artists([]) == ""
+
+    def test_strips_whitespace(self):
+        assert traxsource._format_artists(["  A  ", " B "]) == "A & B"
+
+
+class TestLargeCover:
+    def test_substitutes_52x52_with_500x500(self):
+        url = "https://www.traxsource.com/scripts/image.php/52x52/abc.jpg"
+        assert traxsource._large_cover(url) == "https://www.traxsource.com/scripts/image.php/500x500/abc.jpg"
+
+    def test_no_change_when_no_pattern(self):
+        assert traxsource._large_cover("https://example.com/x.jpg") == "https://example.com/x.jpg"
+
+    def test_empty(self):
+        assert traxsource._large_cover("") == ""
+
+
+class TestExceptions:
+    def test_exceptions_are_subclasses(self):
+        assert issubclass(traxsource.TraxsourceUnreachableError, traxsource.TraxsourceError)
+        assert issubclass(traxsource.TraxsourceParseError, traxsource.TraxsourceError)