Godeps/_workspace/src/github.com/peterh/liner/race_test.go


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// +build race

package liner

import (
    "io/ioutil"
    "os"
    "sync"
    "testing"
)

func TestWriteHistory(t *testing.T) {
    oldout := os.Stdout
    defer func() { os.Stdout = oldout }()
    oldin := os.Stdout
    defer func() { os.Stdin = oldin }()

    newinr, newinw, err := os.Pipe()
    if err != nil {
        t.Fatal(err)
    }
    os.Stdin = newinr
    newoutr, newoutw, err := os.Pipe()
    if err != nil {
        t.Fatal(err)
    }
    defer newoutr.Close()
    os.Stdout = newoutw

    var wait sync.WaitGroup
    wait.Add(1)
    s := NewLiner()
    go func() {
        s.AppendHistory("foo")
        s.AppendHistory("bar")
        s.Prompt("")
        wait.Done()
    }()

    s.WriteHistory(ioutil.Discard)

    newinw.Close()
    wait.Wait()
}