func TestGrep(t *testing.T) {
assert := assrt.NewAssert(t)
cmd := exec.Command("grep", "--color=auto", "bar")
host := siphon.NewHost(cmd, siphon.NewInternalAddr())
host.Start()
go func() {
stdin := host.StdinPipe()
stdin.Write([]byte("foo\nbar\nbaz\n"))
stdin.Write([]byte{4}) // EOT
}()
outBuffer := new(bytes.Buffer)
io.Copy(outBuffer, host.StdoutPipe())
out := string(outBuffer.Bytes())
expected := // I have no idea where the CR characters come from.
"foo\r\n" +
"bar\r\n" +
"baz\r\n" +
"[01;31m[Kbar[m[K\r\n"
assert.Equal(
expected,
out,
)
}
/**
Getting any answer from the tty command at all is pretty good news, since `go test` doesn't let the shell's tty come through.
*/
func TestActuallyNewTty(t *testing.T) {
assert := assrt.NewAssert(t)
cmd := exec.Command("tty")
host := siphon.NewHost(cmd, siphon.NewInternalAddr())
outBuffer := new(bytes.Buffer)
hostOut := host.StdoutPipe()
host.Start()
io.Copy(outBuffer, hostOut)
innerTty := string(outBuffer.Bytes())
assert.NotEqual(
"", // what exactly you get varies on the current state of your machine, but something like /dev/pts/12 is reasonable.
innerTty,
)
}