rename variable

Author: hakuta

kadai2/akuchii/converter/converter_test.go

@@ -19,11 +19,11 @@ func TestConvert_NewConverter(t *testing.T) {
 		{"gif", reflect.ValueOf(&converter.GifEncoder{}).Type()},
 	}
 	for _, c := range cases {
-		converter, err := converter.NewConverter("", "", c.afterExt)
+		conv, err := converter.NewConverter("", "", c.afterExt)
 		if err != nil {
 			t.Fatalf("failed to crete new converter:%s", err)
 		}
-		if reflect.ValueOf(converter.ExportEncoder()).Type() != c.expectedEncoder {
+		if reflect.ValueOf(conv.ExportEncoder()).Type() != c.expectedEncoder {
 			t.Fatalf("invalid encoder")
 		}
 	}
@@ -48,11 +48,11 @@ func TestConverter_Execute(t *testing.T) {
 		srcPath := filepath.Join("..", "testdata", c.target)
 		filenameWithoutExt := testGetFileNameWithoutExt(t, c.target)
 		dstPath := filepath.Join("..", "testdata", c.outDir, filenameWithoutExt) + "." + c.afterExt
-		converter, err := converter.NewConverter(srcPath, c.outDir, c.afterExt)
+		conv, err := converter.NewConverter(srcPath, c.outDir, c.afterExt)
 		if err != nil {
 			t.Fatalf("fail to create converter: %s", err)
 		}
-		err = converter.Execute()
+		err = conv.Execute()
 		if err != nil && !c.hasError {
 			t.Fatalf("fail to convert image: %s", err)
 		}