| 1 | package edge |
| 2 | |
| 3 | import ( |
| 4 | "bufio" |
| 5 | "bytes" |
| 6 | "context" |
| 7 | "io" |
| 8 | "net" |
| 9 | "net/http" |
| 10 | "os" |
| 11 | "os/exec" |
| 12 | "path/filepath" |
| 13 | "strings" |
| 14 | "testing" |
| 15 | "time" |
| 16 | ) |
| 17 | |
| 18 | func TestStartupGateFailsWhenHandlerSetupFails(t *testing.T) { |
| 19 | if os.Getenv("CARLOS_TEST_SETUP_FAILURE") == "1" { |
| 20 | RunWithActivatorReady([]string{"-dev", "-registry", filepath.Join(os.Getenv("CARLOS_DATA_DIR"), "registry.db"), "-http", os.Getenv("CARLOS_TEST_HTTP_ADDR")}, nil, nil, nil, func(*Edge) { |
| 21 | _, _ = os.Stdout.WriteString("configuring\n") |
| 22 | _, _ = io.CopyN(io.Discard, os.Stdin, 1) |
| 23 | }) |
| 24 | os.Exit(0) |
| 25 | } |
| 26 | listener, err := net.Listen("tcp", "127.0.0.1:0") |
| 27 | if err != nil { |
| 28 | t.Fatal(err) |
| 29 | } |
| 30 | addr := listener.Addr().String() |
| 31 | listener.Close() |
| 32 | exe, err := os.Executable() |
| 33 | if err != nil { |
| 34 | t.Fatal(err) |
| 35 | } |
| 36 | ctx, cancel := context.WithTimeout(t.Context(), 10*time.Second) |
| 37 | defer cancel() |
| 38 | cmd := exec.CommandContext(ctx, exe, "-test.run=^TestStartupGateFailsWhenHandlerSetupFails$") |
| 39 | dd := t.TempDir() |
| 40 | cmd.Dir = dd |
| 41 | cmd.Env = []string{ |
| 42 | "HOME=" + dd, "TMPDIR=" + os.TempDir(), |
| 43 | "CARLOS_DATA_DIR=" + dd, "CARLOS_TEST_SETUP_FAILURE=1", "CARLOS_TEST_HTTP_ADDR=" + addr, |
| 44 | "CARLOS_TUNNEL_HOST=tunnel.example.com", "CARLOS_TUNNEL_CLIENTS=invalid", |
| 45 | } |
| 46 | var stderr bytes.Buffer |
| 47 | cmd.Stderr = &stderr |
| 48 | stdout, err := cmd.StdoutPipe() |
| 49 | if err != nil { |
| 50 | t.Fatal(err) |
| 51 | } |
| 52 | stdin, err := cmd.StdinPipe() |
| 53 | if err != nil { |
| 54 | t.Fatal(err) |
| 55 | } |
| 56 | if err := cmd.Start(); err != nil { |
| 57 | t.Fatal(err) |
| 58 | } |
| 59 | defer func() { cancel(); _ = cmd.Wait() }() |
| 60 | line, err := bufio.NewReader(stdout).ReadString('\n') |
| 61 | if err != nil || line != "configuring\n" { |
| 62 | t.Fatalf("setup barrier: %q, %v", line, err) |
| 63 | } |
| 64 | client := &http.Client{Transport: &http.Transport{Proxy: nil}, Timeout: 100 * time.Millisecond} |
| 65 | defer client.CloseIdleConnections() |
| 66 | probeMustFail := func() { |
| 67 | t.Helper() |
| 68 | resp, err := client.Get("http://" + addr + "/") |
| 69 | if err == nil { |
| 70 | resp.Body.Close() |
| 71 | t.Fatalf("update probe succeeded before handler setup: %d", resp.StatusCode) |
| 72 | } |
| 73 | } |
| 74 | probeMustFail() |
| 75 | if _, err := stdin.Write([]byte("x")); err != nil { |
| 76 | t.Fatal(err) |
| 77 | } |
| 78 | stdin.Close() |
| 79 | if err := cmd.Wait(); err == nil { |
| 80 | t.Fatal("invalid tunnel configuration did not fail setup") |
| 81 | } |
| 82 | if !strings.Contains(stderr.String(), "edge: tunnels:") { |
| 83 | t.Fatalf("did not reach handler setup failure: %s", stderr.String()) |
| 84 | } |
| 85 | probeMustFail() |
| 86 | } |
| 87 | |
amadan