img: bring test coverage to 100%

Steve Canny · Steve Canny · commit 9613e89d651f · 2014-02-27T12:08:36.000-08:00
diff --git a/docx/image/tiff.py b/docx/image/tiff.py
@@ -265,7 +265,7 @@ def _parse_value(cls, stream_rdr, offset, value_count, value_offset):
         Return the value of this field parsed from *stream_rdr* at *offset*.
         Intended to be overridden by subclasses.
         """
-        return 'UNIMPLEMENTED FIELD TYPE'
+        return 'UNIMPLEMENTED FIELD TYPE'  # pragma: no cover
 
     @property
     def tag(self):
@@ -308,7 +308,7 @@ def _parse_value(cls, stream_rdr, offset, value_count, value_offset):
         """
         if value_count == 1:
             return stream_rdr.read_short(offset, 8)
-        else:
+        else:  # pragma: no cover
             return 'Multi-value short integer NOT IMPLEMENTED'
 
 
@@ -324,7 +324,7 @@ def _parse_value(cls, stream_rdr, offset, value_count, value_offset):
         """
         if value_count == 1:
             return stream_rdr.read_long(offset, 8)
-        else:
+        else:  # pragma: no cover
             return 'Multi-value long integer NOT IMPLEMENTED'
 
 
@@ -343,5 +343,5 @@ def _parse_value(cls, stream_rdr, offset, value_count, value_offset):
             numerator = stream_rdr.read_long(value_offset)
             denominator = stream_rdr.read_long(value_offset, 4)
             return numerator / denominator
-        else:
+        else:  # pragma: no cover
             return 'Multi-value Rational NOT IMPLEMENTED'
diff --git a/tests/image/test_tiff.py b/tests/image/test_tiff.py
@@ -218,6 +218,13 @@ def it_can_construct_from_a_stream_and_offset(self, from_stream_fixture):
         _IfdEntries__init_.assert_called_once_with(entries_)
         assert isinstance(ifd_entries, _IfdEntries)
 
+    def it_has_basic_mapping_semantics(self):
+        key, value = 1, 'foobar'
+        entries = {key: value}
+        ifd_entries = _IfdEntries(entries)
+        assert key in ifd_entries
+        assert ifd_entries[key] == value
+
     # fixtures -------------------------------------------------------
 
     @pytest.fixture
