| 45 | } |
| 46 | |
| 47 | func TestDialCancel(t *testing.T) { |
| 48 | testutil.RegisterLeakDetection(t) |
| 49 | |
| 50 | // accept first connection so client is created with dial timeout |
| 51 | ln, err := net.Listen("unix", "dialcancel:12345") |
| 52 | require.NoError(t, err) |
| 53 | defer ln.Close() |
| 54 | |
| 55 | ep := "unix://dialcancel:12345" |
| 56 | cfg := Config{ |
| 57 | Endpoints: []string{ep}, |
| 58 | DialTimeout: 30 * time.Second, |
| 59 | } |
| 60 | c, err := NewClient(t, cfg) |
| 61 | require.NoError(t, err) |
| 62 | |
| 63 | // connect to ipv4 black hole so dial blocks |
| 64 | c.SetEndpoints("http://254.0.0.1:12345") |
| 65 | |
| 66 | // issue Get to force redial attempts |
| 67 | getc := make(chan struct{}) |
| 68 | go func() { |
| 69 | defer close(getc) |
| 70 | // Get may hang forever on grpc's Stream.Header() if its |
| 71 | // context is never canceled. |
| 72 | c.Get(c.Ctx(), "abc") |
| 73 | }() |
| 74 | |
| 75 | // wait a little bit so client close is after dial starts |
| 76 | time.Sleep(100 * time.Millisecond) |
| 77 | |
| 78 | donec := make(chan struct{}) |
| 79 | go func() { |
| 80 | defer close(donec) |
| 81 | c.Close() |
| 82 | }() |
| 83 | |
| 84 | select { |
| 85 | case <-time.After(5 * time.Second): |
| 86 | t.Fatalf("failed to close") |
| 87 | case <-donec: |
| 88 | } |
| 89 | select { |
| 90 | case <-time.After(5 * time.Second): |
| 91 | t.Fatalf("get failed to exit") |
| 92 | case <-getc: |
| 93 | } |
| 94 | } |
| 95 | |
| 96 | func TestDialTimeout(t *testing.T) { |
| 97 | testutil.RegisterLeakDetection(t) |