func TestRecovery(t *testing.T) {
var (
called bool
errBoom = errors.New("boom")
)
h := &Recovery{
Reporter: reporter.ReporterFunc(func(ctx context.Context, err error) error {
called = true
e := err.(*reporter.Error)
if e.Err != errBoom {
t.Fatalf("err => %v; want %v", err, errBoom)
}
if got, want := e.Context["request_id"], "1234"; got != want {
t.Fatalf("RequestID => %s; want %s")
}
return nil
}),
handler: httpx.HandlerFunc(func(ctx context.Context, w http.ResponseWriter, r *http.Request) error {
panic(errBoom)
}),
}
ctx := context.Background()
req, _ := http.NewRequest("GET", "/", nil)
resp := httptest.NewRecorder()
ctx = httpx.WithRequestID(ctx, "1234")
defer func() {
if err := recover(); err != nil {
t.Fatal("Expected the panic to be handled.")
}
}()
err := h.ServeHTTPContext(ctx, resp, req)
if err != errBoom {
t.Fatalf("err => %v; want %v", err, errBoom)
}
}
// ServeHTTPContext implements the httpx.Handler interface. It extracts a
// request id from the headers and inserts it into the context.
func (h *RequestID) ServeHTTPContext(ctx context.Context, w http.ResponseWriter, r *http.Request) error {
requestID := extractRequestID(r, h.Header)
ctx = httpx.WithRequestID(ctx, requestID)
return h.handler.ServeHTTPContext(ctx, w, r)
}