120 lines
2.6 KiB
Go
120 lines
2.6 KiB
Go
package readpassword
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import (
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"fmt"
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"os"
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"os/exec"
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"testing"
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)
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// Provide password via stdin, terminated by "\n".
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//
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// The TEST_SLAVE magic is explained at
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// https://talks.golang.org/2014/testing.slide#23 , mirror:
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// http://web.archive.org/web/20200426174352/https://talks.golang.org/2014/testing.slide#23
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func TestStdin(t *testing.T) {
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p1 := "g55434t55wef"
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if os.Getenv("TEST_SLAVE") == "1" {
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p2, err := readPasswordStdin("foo")
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if err != nil {
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fmt.Fprint(os.Stderr, err)
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os.Exit(1)
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}
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if p1 != string(p2) {
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fmt.Fprintf(os.Stderr, "%q != %q", p1, string(p2))
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os.Exit(1)
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}
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return
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}
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cmd := exec.Command(os.Args[0], "-test.run=TestStdin$")
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cmd.Env = append(os.Environ(), "TEST_SLAVE=1")
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cmd.Stderr = os.Stderr
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pipe, err := cmd.StdinPipe()
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if err != nil {
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t.Fatal(err)
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}
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err = cmd.Start()
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if err != nil {
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t.Fatal(err)
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}
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n, err := pipe.Write([]byte(p1 + "\n"))
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if n == 0 || err != nil {
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t.Fatal(err)
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}
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err = cmd.Wait()
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if err != nil {
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t.Fatalf("slave failed with %v", err)
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}
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}
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// Provide password via stdin, terminated by EOF (pipe close). This should not
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// hang.
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//
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// The TEST_SLAVE magic is explained at
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// https://talks.golang.org/2014/testing.slide#23 , mirror:
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// http://web.archive.org/web/20200426174352/https://talks.golang.org/2014/testing.slide#23
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func TestStdinEof(t *testing.T) {
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p1 := "asd45as5f4a36"
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if os.Getenv("TEST_SLAVE") == "1" {
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p2, err := readPasswordStdin("foo")
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if err != nil {
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fmt.Fprint(os.Stderr, err)
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os.Exit(1)
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}
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if p1 != string(p2) {
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fmt.Fprintf(os.Stderr, "%q != %q", p1, string(p2))
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os.Exit(1)
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}
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return
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}
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cmd := exec.Command(os.Args[0], "-test.run=TestStdinEof$")
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cmd.Env = append(os.Environ(), "TEST_SLAVE=1")
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cmd.Stderr = os.Stderr
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pipe, err := cmd.StdinPipe()
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if err != nil {
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t.Fatal(err)
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}
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err = cmd.Start()
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if err != nil {
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t.Fatal(err)
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}
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_, err = pipe.Write([]byte(p1))
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if err != nil {
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t.Fatal(err)
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}
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pipe.Close()
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err = cmd.Wait()
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if err != nil {
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t.Fatalf("slave failed with %v", err)
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}
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}
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// Provide empty password via stdin
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func TestStdinEmpty(t *testing.T) {
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if os.Getenv("TEST_SLAVE") == "1" {
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_, err := readPasswordStdin("foo")
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if err != nil {
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os.Exit(1)
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}
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}
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cmd := exec.Command(os.Args[0], "-test.run=TestStdinEmpty$")
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cmd.Env = append(os.Environ(), "TEST_SLAVE=1")
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pipe, err := cmd.StdinPipe()
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if err != nil {
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t.Fatal(err)
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}
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err = cmd.Start()
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if err != nil {
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t.Fatal(err)
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}
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_, err = pipe.Write([]byte("\n"))
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if err != nil {
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t.Fatal(err)
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}
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pipe.Close()
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err = cmd.Wait()
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if err == nil {
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t.Fatalf("empty password should have failed")
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}
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}
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