| 1 | // Package calendartest tests the app from the outside: real HTTP |
| 2 | // requests against the real router, wired exactly as |
| 3 | // cmd/calendar/main.go wires it. |
| 4 | // |
| 5 | // The TDD loop: write a failing test here, make it pass in |
| 6 | // internal/calendar, repeat. |
| 7 | package calendartest |
| 8 | |
| 9 | import ( |
| 10 | "net/http" |
| 11 | "net/http/httptest" |
| 12 | "net/url" |
| 13 | "testing" |
| 14 | |
| 15 | calendar "amadan.net/oficina/calendar/internal/calendar" |
| 16 | ) |
| 17 | |
| 18 | // testOrigin is the origin newApp wires and post presents as its |
| 19 | // same-origin evidence — the pair a browser form submission would be. |
| 20 | const testOrigin = calendar.TestOrigin |
| 21 | |
| 22 | // newApp builds the whole app per test over a fresh temp database. |
| 23 | func newApp(t *testing.T) *calendar.App { |
| 24 | t.Helper() |
| 25 | return calendar.NewForTest(t, t.TempDir()) |
| 26 | } |
| 27 | |
| 28 | // signedIn builds an app and a session cookie for address, by driving |
| 29 | // the real sign-in flow. |
| 30 | func signedIn(t *testing.T, address string) (*calendar.App, *http.Cookie) { |
| 31 | t.Helper() |
| 32 | app := newApp(t) |
| 33 | return app, app.SignInForTest(t, address) |
| 34 | } |
| 35 | |
| 36 | func get(t *testing.T, h http.Handler, target string) *httptest.ResponseRecorder { |
| 37 | t.Helper() |
| 38 | rec := httptest.NewRecorder() |
| 39 | h.ServeHTTP(rec, httptest.NewRequest(http.MethodGet, target, nil)) |
| 40 | return rec |
| 41 | } |
| 42 | |
| 43 | // getAs is get with a session attached. |
| 44 | func getAs(t *testing.T, h http.Handler, session *http.Cookie, target string) *httptest.ResponseRecorder { |
| 45 | t.Helper() |
| 46 | rec := httptest.NewRecorder() |
| 47 | h.ServeHTTP(rec, calendar.RequestForTest(session, http.MethodGet, target, nil)) |
| 48 | return rec |
| 49 | } |
| 50 | |
| 51 | // follow is getAs plus one redirect hop. |
| 52 | // |
| 53 | // "/" answers 303 to the viewer's own today, because Today and Day are |
| 54 | // one page rather than two subtly different ones. A test that wants the |
| 55 | // page rather than the redirect says so by using this. |
| 56 | func follow(t *testing.T, h http.Handler, session *http.Cookie, target string) *httptest.ResponseRecorder { |
| 57 | t.Helper() |
| 58 | rec := getAs(t, h, session, target) |
| 59 | if rec.Code != http.StatusSeeOther && rec.Code != http.StatusFound { |
| 60 | return rec |
| 61 | } |
| 62 | loc := rec.Header().Get("Location") |
| 63 | if loc == "" { |
| 64 | t.Fatalf("GET %s: %d with no Location", target, rec.Code) |
| 65 | } |
| 66 | return getAs(t, h, session, loc) |
| 67 | } |
| 68 | |
| 69 | func post(t *testing.T, h http.Handler, target string, form url.Values) *httptest.ResponseRecorder { |
| 70 | t.Helper() |
| 71 | rec := httptest.NewRecorder() |
| 72 | h.ServeHTTP(rec, calendar.RequestForTest(nil, http.MethodPost, target, form)) |
| 73 | return rec |
| 74 | } |
| 75 | |
| 76 | // postAs is post with a session attached. |
| 77 | func postAs(t *testing.T, h http.Handler, session *http.Cookie, target string, form url.Values) *httptest.ResponseRecorder { |
| 78 | t.Helper() |
| 79 | rec := httptest.NewRecorder() |
| 80 | h.ServeHTTP(rec, calendar.RequestForTest(session, http.MethodPost, target, form)) |
| 81 | return rec |
| 82 | } |
| 83 | |
| 84 | // openLink is opening an emailed link: a GET that must spend nothing and |
| 85 | // answer with the confirm door. It returns the door's form action and the |
| 86 | // token it carries, read off the page rather than the link, so a door |
| 87 | // that dropped or mangled the token fails here. |
| 88 | func openLink(t *testing.T, h http.Handler, link string) (action, token string) { |
| 89 | t.Helper() |
| 90 | rec := get(t, h, link) |
| 91 | if rec.Code != http.StatusOK || len(rec.Result().Cookies()) != 0 { |
| 92 | t.Fatalf("GET %s = %d with %d cookies, want 200 and the confirm door, minting nothing", link, rec.Code, len(rec.Result().Cookies())) |
| 93 | } |
| 94 | action, token, ok := calendar.ConfirmFormForTest(rec.Body.String()) |
| 95 | if !ok { |
| 96 | t.Fatalf("GET %s: no confirm form on the page:\n%s", link, rec.Body.String()) |
| 97 | } |
| 98 | return action, token |
| 99 | } |
| 100 | |
| 101 | // postLink is pressing the confirm door's Sign in button: the token, |
| 102 | // POSTed back to the door's action with a browser's same-origin |
| 103 | // evidence. This is the request that spends the link. |
| 104 | func postLink(t *testing.T, h http.Handler, action, token string) *httptest.ResponseRecorder { |
| 105 | t.Helper() |
| 106 | r := calendar.RequestForTest(nil, http.MethodPost, action, url.Values{"token": {token}}) |
| 107 | r.Header.Set("Sec-Fetch-Site", "same-origin") |
| 108 | rec := httptest.NewRecorder() |
| 109 | h.ServeHTTP(rec, r) |
| 110 | return rec |
| 111 | } |
| 112 | |
| 113 | // serve runs one request through h. |
| 114 | func serve(h http.Handler, r *http.Request) *httptest.ResponseRecorder { |
| 115 | rec := httptest.NewRecorder() |
| 116 | h.ServeHTTP(rec, r) |
| 117 | return rec |
| 118 | } |
| 119 | |
amadan