英文:
Capture argument passed to a function
问题
在单元测试中，我已经为函数ExecuteDeleteQuery创建了一个模拟对象。
ExecuteDeleteQuery = func(deleteQuery string) ([]string, error) {
return nil, nil
}
我该如何捕获传递给这个函数的参数并进行断言呢？我想要做类似这样的操作：
assertEqual(t, deleteQuery, expectedDeleteQuery)
英文:
In a unit test, I have created mock for the function ExecuteDeleteQuery
ExecuteDeleteQuery = func(deleteQuery string) ([]string, error) {
return nil,nil
}
How can I capture the argument passed to this function and assert that?
I want to do something like:
assertEqual(t, deleteQuery, expectedDeleteQuery)
答案1
得分: 3
如果你只需要捕获一个值，你可以这样做：
var gotDeleteQuery string
ExecuteDeleteQuery = func(deleteQuery string) ([]string, error) {
gotDeleteQuery = deleteQuery
return nil, nil
}
// ...
assertEqual(t, gotDeleteQuery, expectedDeleteQuery)
这段代码的作用是将 deleteQuery 的值赋给 gotDeleteQuery，然后通过 assertEqual 函数来断言 gotDeleteQuery 是否等于 expectedDeleteQuery。
英文:
If you just need to capture one value, you can do something like this:
var gotDeleteQuery string
ExecuteDeleteQuery = func(deleteQuery string) ([]string, error) {
gotDeleteQuery = deleteQuery
return nil,nil
}
// ...
assertEqual(t, gotDeleteQuery, expectedDeleteQuery)
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