TagCoverArtImage(): properly set _repr() and _str() for this subclass

picard/coverart/image.py

@@ -228,7 +228,6 @@ def __repr__(self):
         return "%s(%s)" % (self.__class__.__name__, ", ".join(self._repr()))
 
     def _str(self):
-        yield 'Image'
         if self.url is not None:
             yield "from %s" % self.url.toString()
         if self.types:
@@ -237,7 +236,11 @@ def _str(self):
             yield "and comment '%s'" % self.comment
 
     def __str__(self):
-        return ' '.join(self._str())
+        output = self.__class__.__name__
+        s = tuple(self._str())
+        if s:
+            output += ' ' + ' '.join(s)
+        return output
 
     def __eq__(self, other):
         if self and other:
@@ -469,19 +472,15 @@ def source(self):
         else:
             return 'File %s' % (self.sourcefile)
 
-    def __repr__(self):
-        p = []
-        p.append('%r' % self.sourcefile)
+    def _repr(self):
+        yield '%r' % self.sourcefile
         if self.tag is not None:
-            p.append("tag=%r" % self.tag)
-        if self.types:
-            p.append("types=%r" % self.types)
-        if self.is_front is not None:
-            p.append("is_front=%r" % self.is_front)
-        p.append('support_types=%r' % self.support_types)
-        if self.comment:
-            p.append("comment=%r" % self.comment)
-        return "%s(%s)" % (self.__class__.__name__, ", ".join(p))
+            yield 'tag=%r' % self.tag
+        yield from super()._repr()
+
+    def _str(self):
+        yield 'from %r' % self.sourcefile
+        yield from super()._str()
 
 
 class LocalFileCoverArtImage(CoverArtImage):

test/test_coverart_image.py

@@ -35,8 +35,12 @@
 from picard.coverart.image import (
     CoverArtImage,
     LocalFileCoverArtImage,
+    TagCoverArtImage,
+)
+from picard.coverart.utils import (
+    Id3ImageType,
+    types_from_id3,
 )
-from picard.coverart.utils import Id3ImageType
 from picard.metadata import Metadata
 from picard.util import encode_filename
 from picard.util.filenaming import WinPathTooLong
@@ -54,6 +58,25 @@ def create_image(extra_data, types=None, support_types=False,
     )
 
 
+class TagCoverArtImageTest(PicardTestCase):
+    def test_repr_str_1(self):
+        image_type = Id3ImageType.COVER_FRONT
+        image = TagCoverArtImage(
+            file='testfilename',
+            tag='tag',
+            types=types_from_id3(image_type),
+            comment='description',
+            support_types=True,
+            data=None,
+            id3_type=image_type,
+            is_front=True,
+        )
+        expected = "TagCoverArtImage('testfilename', tag='tag', types=['front'], support_types=True, support_multi_types=False, is_front=True, comment='description')"
+        self.assertEqual(expected, repr(image))
+        expected = "TagCoverArtImage from 'testfilename' of type front and comment 'description'"
+        self.assertEqual(expected, str(image))
+
+
 class CoverArtImageTest(PicardTestCase):
     def test_repr_str_1(self):
         image = CoverArtImage(
@@ -63,14 +86,14 @@ def test_repr_str_1(self):
         )
         expected = "CoverArtImage(url='url', types=['booklet', 'front'], support_types=True, support_multi_types=True, comment='comment')"
         self.assertEqual(expected, repr(image))
-        expected = "Image from url of type booklet,front and comment 'comment'"
+        expected = "CoverArtImage from url of type booklet,front and comment 'comment'"
         self.assertEqual(expected, str(image))
 
     def test_repr_str_2(self):
         image = CoverArtImage()
         expected = "CoverArtImage(support_types=False, support_multi_types=False)"
         self.assertEqual(expected, repr(image))
-        expected = "Image"
+        expected = "CoverArtImage"
         self.assertEqual(expected, str(image))
 
     def test_is_front_image_no_types(self):