refactor(resize): extract

file_test.go

@@ -19,3 +19,20 @@ func TestRead(t *testing.T) {
 		t.Fatal("Image is not jpeg")
 	}
 }
+
+func TestWrite(t *testing.T) {
+	buf, err := Read("fixtures/test.jpg")
+
+	if err != nil {
+		t.Errorf("Cannot read the image: %#v", err)
+	}
+
+	if len(buf) == 0 {
+		t.Fatal("Empty buffer")
+	}
+
+	err = Write("fixtures/test_write_out.jpg", buf)
+	if err != nil {
+		t.Fatal("Cannot write the file: %#v", err)
+	}
+}