Create bufio interface from string in golang

Question

I want to write unit tests in golang for a struct which accepts an io.Reader in the constructor. Usually the io.Reader interface is coming from a TCP connection.

Now I want to use a predefined string and use this as input to the io.Reader interface.

Something like:

s := "this is my input"
b := io.NewReader(s)
t := NewTestStruct(b)
t.doSomething()

user142162 · Accepted Answer · 2015-09-02 19:34:21Z

6

strings.Reader implements the io.Reader interface. You can construct a new instance of it using strings.NewReader:

s := "this is my input"
b := strings.NewReader(s)
t := NewTestStruct(b)
t.doSomething()

answered Sep 2, 2015 at 19:34

user142162

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Jimmy Lin · Accepted Answer · 2020-07-06 06:19:16Z

5

This should be correct way:

reader := bufio.NewReader(strings.NewReader("some string"))

answered Jul 6, 2020 at 6:19

Jimmy Lin

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