在测试用例Angular2中基于覆盖条件的返回线

Question

I am unable to cover on line in testcase I don't know how to achieve,

I have method in service as:

public getResults()
{
return this.http(url,body).map(this.mapResponse);
} 

private mapResponse(data){
 let cleanStatuFilter = JSON.parse(data[0].data.json);
 let cleanautoSuggestFilter = JSON.parse(data[1].data.json);

 return 
 {
     cards: cleanautoSuggestFilter.csAutoSuggest || [],
     actions: cleanStatuFilter.statusTracking || []
 };
}

I am unable to cover return statement in second function Can someone please help to cover

return 
{
   cards: cleanautoSuggestFilter.csAutoSuggest || [],
   actions: cleanStatuFilter.statusTracking || []
};

Answer 1

您是否使用Done研究了异步茉莉花测试： 异步测试