mirror of
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75 lines
1.3 KiB
Go
75 lines
1.3 KiB
Go
package logrus
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import (
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"io/ioutil"
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"os/exec"
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"testing"
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"time"
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)
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func TestRegister(t *testing.T) {
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current := len(handlers)
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RegisterExitHandler(func() {})
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if len(handlers) != current+1 {
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t.Fatalf("can't add handler")
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}
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}
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func TestHandler(t *testing.T) {
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gofile := "/tmp/testprog.go"
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if err := ioutil.WriteFile(gofile, testprog, 0666); err != nil {
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t.Fatalf("can't create go file")
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}
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outfile := "/tmp/testprog.out"
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arg := time.Now().UTC().String()
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err := exec.Command("go", "run", gofile, outfile, arg).Run()
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if err == nil {
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t.Fatalf("completed normally, should have failed")
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}
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data, err := ioutil.ReadFile(outfile)
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if err != nil {
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t.Fatalf("can't read output file %s", outfile)
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}
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if string(data) != arg {
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t.Fatalf("bad data")
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}
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}
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var testprog = []byte(`
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// Test program for atexit, gets output file and data as arguments and writes
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// data to output file in atexit handler.
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package main
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import (
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"github.com/sirupsen/logrus"
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"flag"
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"fmt"
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"io/ioutil"
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)
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var outfile = ""
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var data = ""
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func handler() {
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ioutil.WriteFile(outfile, []byte(data), 0666)
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}
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func badHandler() {
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n := 0
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fmt.Println(1/n)
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}
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func main() {
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flag.Parse()
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outfile = flag.Arg(0)
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data = flag.Arg(1)
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logrus.RegisterExitHandler(handler)
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logrus.RegisterExitHandler(badHandler)
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logrus.Fatal("Bye bye")
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}
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`)
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