subscription_test.go
| 1 | package server |
| 2 | |
| 3 | import ( |
| 4 | "io" |
| 5 | "net/http" |
| 6 | "net/http/httptest" |
| 7 | "net/url" |
| 8 | "strings" |
| 9 | "testing" |
| 10 | ) |
| 11 | |
| 12 | // postForm posts an application/x-www-form-urlencoded body to the router. |
| 13 | func postForm(router http.Handler, path string, form url.Values) *httptest.ResponseRecorder { |
| 14 | req := httptest.NewRequest("POST", path, strings.NewReader(form.Encode())) |
| 15 | req.Header.Set("Content-Type", "application/x-www-form-urlencoded") |
| 16 | w := httptest.NewRecorder() |
| 17 | router.ServeHTTP(w, req) |
| 18 | return w |
| 19 | } |
| 20 | |
| 21 | func TestSubscriptionsPageRenders(t *testing.T) { |
| 22 | srv, _, cleanup := setupTestServer(t) |
| 23 | defer cleanup() |
| 24 | |
| 25 | req := httptest.NewRequest("GET", "/subscriptions", nil) |
| 26 | w := httptest.NewRecorder() |
| 27 | srv.Router().ServeHTTP(w, req) |
| 28 | if w.Code != http.StatusOK { |
| 29 | body, _ := io.ReadAll(w.Body) |
| 30 | t.Fatalf("expected 200, got %d: %s", w.Code, body) |
| 31 | } |
| 32 | if !strings.Contains(w.Body.String(), "Create Subscription") { |
| 33 | t.Error("subscriptions page missing create form") |
| 34 | } |
| 35 | } |
| 36 | |
| 37 | func TestCreateSubscriptionLifecycle(t *testing.T) { |
| 38 | srv, _, cleanup := setupTestServer(t) |
| 39 | defer cleanup() |
| 40 | router := srv.Router() |
| 41 | |
| 42 | // Valid create redirects (303) and persists. |
| 43 | w := postForm(router, "/subscriptions", url.Values{ |
| 44 | "name": {"My Sub"}, |
| 45 | "url": {"https://example.com/playlist"}, |
| 46 | "output_dir": {"subscriptions/mine"}, |
| 47 | "refresh_mode": {"overwrite"}, |
| 48 | "schedule_kind": {"daily"}, |
| 49 | }) |
| 50 | if w.Code != http.StatusSeeOther { |
| 51 | t.Fatalf("create: expected 303, got %d", w.Code) |
| 52 | } |
| 53 | |
| 54 | // It now appears on the listing with its details. |
| 55 | req := httptest.NewRequest("GET", "/subscriptions", nil) |
| 56 | lw := httptest.NewRecorder() |
| 57 | router.ServeHTTP(lw, req) |
| 58 | body := lw.Body.String() |
| 59 | for _, want := range []string{"My Sub", "subscriptions/mine", "Next run:"} { |
| 60 | if !strings.Contains(body, want) { |
| 61 | t.Errorf("listing missing %q", want) |
| 62 | } |
| 63 | } |
| 64 | } |
| 65 | |
| 66 | // hasErrorFlash reports whether the response set an error flash cookie (the |
| 67 | // Post/Redirect/Get feedback mechanism for a rejected form). |
| 68 | func hasErrorFlash(w *httptest.ResponseRecorder) bool { |
| 69 | for _, c := range w.Result().Cookies() { |
| 70 | if c.Name == "flash" { |
| 71 | if v, err := url.QueryUnescape(c.Value); err == nil { |
| 72 | return strings.HasPrefix(v, "error|") |
| 73 | } |
| 74 | } |
| 75 | } |
| 76 | return false |
| 77 | } |
| 78 | |
| 79 | func TestCreateSubscriptionValidation(t *testing.T) { |
| 80 | srv, _, cleanup := setupTestServer(t) |
| 81 | defer cleanup() |
| 82 | router := srv.Router() |
| 83 | |
| 84 | // A rejected form redirects back (303) with an error flash rather than a raw |
| 85 | // 400, and must not persist anything. |
| 86 | cases := []struct { |
| 87 | name string |
| 88 | form url.Values |
| 89 | }{ |
| 90 | {"empty output_dir", url.Values{ |
| 91 | "url": {"https://example.com/x"}, |
| 92 | "schedule_kind": {"daily"}, |
| 93 | "output_dir": {""}, |
| 94 | }}, |
| 95 | {"bad cron", url.Values{ |
| 96 | "url": {"https://example.com/x"}, |
| 97 | "output_dir": {"foo"}, |
| 98 | "schedule_kind": {"cron"}, |
| 99 | "cron_expr": {"definitely not cron"}, |
| 100 | }}, |
| 101 | } |
| 102 | for _, tc := range cases { |
| 103 | w := postForm(router, "/subscriptions", tc.form) |
| 104 | if w.Code != http.StatusSeeOther { |
| 105 | t.Errorf("%s: expected 303 redirect, got %d", tc.name, w.Code) |
| 106 | } |
| 107 | if !hasErrorFlash(w) { |
| 108 | t.Errorf("%s: expected an error flash cookie", tc.name) |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | // None of the rejected forms should have created a subscription. |
| 113 | req := httptest.NewRequest("GET", "/subscriptions", nil) |
| 114 | lw := httptest.NewRecorder() |
| 115 | router.ServeHTTP(lw, req) |
| 116 | if !strings.Contains(lw.Body.String(), "No subscriptions yet") { |
| 117 | t.Error("rejected forms should not have persisted any subscription") |
| 118 | } |
| 119 | } |
| 120 |