Hamcrest Matcher with junit style diff

我使用Hamcrest Matcher来比较两个JSON对象。比较方法使用Gson解析器。Hamcrest Matcher with junit style diff

的匹配的伟大工程，但是当两个JSON是不一样的，我只能显示像消息：

Expected: <[{"data":"data1","application":{"id":"1"}}]> 
    but: <[{"data":"data1","application":{"id":"2"}}]>

这是不是非常有帮助，我想展现的元素不匹配，像什么junit的assertEquals：

expected:<...a1","application":{"[filtered":false,"id":"1"]...> but was:<...a1","application":{"[id":"2"...>

有没有办法实现这一目标？

编辑：

@Override 
protected void describeMismatchSafely(JsonElement item, 
             Description mismatchDescription) { 
    //mismatchDescription.appendValue(item); 
    assertEquals(item.toString(), originalJson.toString()); 
}

但是，这会给我：

expected:<...a1","application":{"[filtered":false,"id":"2"]...> 
but was:<...a1","application":{"[id":"1","filtered":false],...>

注意，唯一不同的是 “ID：1” 和 “ID：2”，但JUnit的表明了我JSON中的不同排序也是错误的一部分。

来源

2013-01-04 rpatali

我能做迄今为止最好的：

@Override 
protected void describeMismatchSafely(JsonElement expectedJson, 
             Description mismatchDescription) { 

    mismatchDescription.appendValue(expectedJson).appendText("\ndifference:\n"); 

    try { 
    assertEquals(expectedJson.toString(), originalJson.toString()); 
    } 
    catch (ComparisonFailure e) { 
    String message = e.getMessage(); 
    message = message.replace("expected:", ""); 
    message = message.replace("but was:", ""); 
    message = message.replaceFirst(">", ">\n"); 
    mismatchDescription.appendText(message); 
    } 
}

这给了我

Expected: <[{"data":"data1","application":{"id":"1"}}]> 
    but: <[{"data":"data1","application":{"id":"2"}}]> 
difference: 
<...a1","application":{"[filtered":false,"id":"2"],...> 
<...a1","application":{"[id":"1","filtered":false],...>

来源

2013-01-05 05:56:32 rpatali

Hamcrest Matcher with junit style diff

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