| 1 | package serve |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "net" |
| 6 | "net/http" |
| 7 | "testing" |
| 8 | "time" |
| 9 | |
| 10 | "reasonix/internal/config" |
| 11 | "reasonix/internal/control" |
| 12 | "reasonix/internal/stats" |
| 13 | ) |
| 14 | |
| 15 | func newListenerTestServer(t *testing.T) *Server { |
| 16 | t.Helper() |
| 17 | // Server construction starts the process-wide usage projection, even with |
| 18 | // a mock controller. Fence it on both sides of this test's home override. |
| 19 | closeUsage := func() { |
| 20 | ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second) |
| 21 | defer cancel() |
| 22 | if err := stats.CloseUsageCatalogs(ctx); err != nil { |
| 23 | t.Fatalf("close usage catalog: %v", err) |
| 24 | } |
| 25 | } |
| 26 | closeUsage() |
| 27 | t.Setenv("REASONIX_HOME", t.TempDir()) |
| 28 | t.Cleanup(closeUsage) |
| 29 | bc := NewBroadcaster() |
| 30 | ctrl := control.New(control.Options{ |
| 31 | Sink: bc, |
| 32 | Label: "listener-test", |
| 33 | SessionDir: t.TempDir(), |
| 34 | }) |
| 35 | t.Cleanup(func() { ctrl.Close() }) |
| 36 | return New(ctrl, bc, config.ServeConfig{}) |
| 37 | } |
| 38 | |
| 39 | func waitForHTTP(t *testing.T, addr string) { |
| 40 | t.Helper() |
| 41 | client := &http.Client{Timeout: 2 * time.Second} |
| 42 | var lastErr error |
| 43 | for range 100 { |
| 44 | resp, err := client.Get("http://" + addr + "/assets/logo-wordmark.svg") |
| 45 | if err == nil { |
| 46 | resp.Body.Close() |
| 47 | if resp.StatusCode != http.StatusOK { |
| 48 | t.Fatalf("GET logo = %d, want 200", resp.StatusCode) |
| 49 | } |
| 50 | return |
| 51 | } |
| 52 | lastErr = err |
| 53 | time.Sleep(20 * time.Millisecond) |
| 54 | } |
| 55 | t.Fatalf("server never came up on %s: %v", addr, lastErr) |
| 56 | } |
| 57 | |
| 58 | // RunGracefulListener must serve on the caller-supplied listener so callers |
| 59 | // that need the real bound address (--addr 127.0.0.1:0 with --port-file) can |
| 60 | // listen first, record ln.Addr(), then hand the listener over. |
| 61 | func TestRunGracefulListenerServesOnProvidedListener(t *testing.T) { |
| 62 | srv := newListenerTestServer(t) |
| 63 | |
| 64 | ln, err := net.Listen("tcp", "127.0.0.1:0") |
| 65 | if err != nil { |
| 66 | t.Fatalf("listen: %v", err) |
| 67 | } |
| 68 | ctx, cancel := context.WithCancel(context.Background()) |
| 69 | done := make(chan error, 1) |
| 70 | go func() { done <- srv.RunGracefulListener(ctx, ln) }() |
| 71 | |
| 72 | waitForHTTP(t, ln.Addr().String()) |
| 73 | |
| 74 | cancel() |
| 75 | select { |
| 76 | case err := <-done: |
| 77 | if err != nil { |
| 78 | t.Fatalf("RunGracefulListener returned a shutdown error: %v", err) |
| 79 | } |
| 80 | case <-time.After(15 * time.Second): |
| 81 | t.Fatal("RunGracefulListener did not return after ctx cancel") |
| 82 | } |
| 83 | } |
| 84 | |
| 85 | // RunGraceful must keep its historical contract (bind from the addr string |
| 86 | // itself) now that it delegates to RunGracefulListener. |
| 87 | func TestRunGracefulStillListensFromAddr(t *testing.T) { |
| 88 | srv := newListenerTestServer(t) |
| 89 | |
| 90 | probe, err := net.Listen("tcp", "127.0.0.1:0") |
| 91 | if err != nil { |
| 92 | t.Fatalf("probe listen: %v", err) |
| 93 | } |
| 94 | addr := probe.Addr().String() |
| 95 | probe.Close() |
| 96 | |
| 97 | ctx, cancel := context.WithCancel(context.Background()) |
| 98 | done := make(chan error, 1) |
| 99 | go func() { done <- srv.RunGraceful(ctx, addr) }() |
| 100 | |
| 101 | waitForHTTP(t, addr) |
| 102 | |
| 103 | cancel() |
| 104 | select { |
| 105 | case err := <-done: |
| 106 | if err != nil { |
| 107 | t.Fatalf("RunGraceful returned a shutdown error: %v", err) |
| 108 | } |
| 109 | case <-time.After(15 * time.Second): |
| 110 | t.Fatal("RunGraceful did not return after ctx cancel") |
| 111 | } |
| 112 | } |
| 113 |