| 1 | //go:build !windows |
| 2 | |
| 3 | package main |
| 4 | |
| 5 | import ( |
| 6 | "bytes" |
| 7 | "os" |
| 8 | "os/exec" |
| 9 | "testing" |
| 10 | "time" |
| 11 | ) |
| 12 | |
| 13 | func TestUnixTerminalProcessPTYSmoke(t *testing.T) { |
| 14 | shell, err := exec.LookPath("sh") |
| 15 | if err != nil { |
| 16 | t.Skipf("sh is unavailable: %v", err) |
| 17 | } |
| 18 | proc, err := startTerminalProcess(terminalStartSpec{ |
| 19 | command: commandForShellPath(shell, "sh"), |
| 20 | dir: t.TempDir(), |
| 21 | env: terminalEnvironment([]string{"PATH=" + os.Getenv("PATH"), "HOME=" + t.TempDir()}), |
| 22 | cols: defaultTerminalColumns, |
| 23 | rows: defaultTerminalRows, |
| 24 | }) |
| 25 | if err != nil { |
| 26 | t.Fatal(err) |
| 27 | } |
| 28 | defer proc.Close() |
| 29 | |
| 30 | if err := proc.Resize(100, 30); err != nil { |
| 31 | t.Fatalf("resize PTY: %v", err) |
| 32 | } |
| 33 | |
| 34 | const marker = "reasonix-pty-smoke" |
| 35 | readResult := make(chan error, 1) |
| 36 | markerSeen := make(chan struct{}) |
| 37 | go func() { |
| 38 | var output bytes.Buffer |
| 39 | buf := make([]byte, 4096) |
| 40 | seen := false |
| 41 | for { |
| 42 | n, readErr := proc.Read(buf) |
| 43 | if n > 0 { |
| 44 | output.Write(buf[:n]) |
| 45 | if !seen && bytes.Contains(output.Bytes(), []byte(marker)) { |
| 46 | seen = true |
| 47 | close(markerSeen) |
| 48 | } |
| 49 | } |
| 50 | if readErr != nil { |
| 51 | if !seen { |
| 52 | readResult <- readErr |
| 53 | } else { |
| 54 | readResult <- nil |
| 55 | } |
| 56 | return |
| 57 | } |
| 58 | } |
| 59 | }() |
| 60 | |
| 61 | if _, err := proc.Write([]byte("printf '" + marker + "\\n'\n")); err != nil { |
| 62 | t.Fatalf("write PTY command: %v", err) |
| 63 | } |
| 64 | select { |
| 65 | case <-markerSeen: |
| 66 | case <-time.After(10 * time.Second): |
| 67 | t.Fatal("timed out waiting for PTY output") |
| 68 | } |
| 69 | |
| 70 | if _, err := proc.Write([]byte("exit\n")); err != nil { |
| 71 | t.Fatalf("write PTY exit: %v", err) |
| 72 | } |
| 73 | waitResult := make(chan error, 1) |
| 74 | go func() { |
| 75 | _, waitErr := proc.Wait() |
| 76 | waitResult <- waitErr |
| 77 | }() |
| 78 | select { |
| 79 | case err := <-waitResult: |
| 80 | if err != nil { |
| 81 | t.Fatalf("wait for PTY exit: %v", err) |
| 82 | } |
| 83 | case <-time.After(10 * time.Second): |
| 84 | t.Fatal("timed out waiting for PTY process exit") |
| 85 | } |
| 86 | select { |
| 87 | case err := <-readResult: |
| 88 | if err != nil { |
| 89 | t.Fatalf("read PTY output: %v", err) |
| 90 | } |
| 91 | case <-time.After(10 * time.Second): |
| 92 | t.Fatal("timed out waiting for PTY reader to finish") |
| 93 | } |
| 94 | } |
| 95 |