add "reading" filter for books currently being read

internal/apitest/get_count_user_book_test.go

@@ -52,3 +52,22 @@ func TestGetWantReadBooksCountHandler_Demo(t *testing.T) {
 	}
 	assert.Equal(t, 2, c.Count)
 }
+
+func TestGetReadingBooksCountHandler_Demo(t *testing.T) {
+	router := testutils.TestSetup()
+
+	token := testutils.ConnectDemoUser(router)
+
+	req, _ := http.NewRequest("GET", "/mybooks/reading/count", nil)
+	req.Header.Add("Authorization", fmt.Sprintf("Bearer %s", token))
+
+	w := httptest.NewRecorder()
+	router.ServeHTTP(w, req)
+
+	var c countResponse
+	err := json.Unmarshal(w.Body.Bytes(), &c)
+	if err != nil {
+		t.Error(err)
+	}
+	assert.Equal(t, 2, c.Count)
+}