| 1 | package sheets |
| 2 | |
| 3 | import ( |
| 4 | "net/http" |
| 5 | "net/http/httptest" |
| 6 | "strings" |
| 7 | "testing" |
| 8 | ) |
| 9 | |
| 10 | // Every page is parsed at startup. A template that references a |
| 11 | // nonexistent partial or misspells a field panics there, which is loud — |
| 12 | // but only if something actually parses the tree, so this asserts the |
| 13 | // set is non-empty and reachable rather than trusting the package var. |
| 14 | func TestEveryTemplateParses(t *testing.T) { |
| 15 | if len(pages) == 0 { |
| 16 | t.Fatal("no pages parsed; the embedded templates directory is empty or the glob is wrong") |
| 17 | } |
| 18 | for _, want := range []string{"index", "signin"} { |
| 19 | if _, ok := pages[want]; !ok { |
| 20 | t.Errorf("page %q did not parse", want) |
| 21 | } |
| 22 | } |
| 23 | if _, ok := pages["layout"]; ok { |
| 24 | t.Error("layout.html was parsed as a page; it is the shell, not a page") |
| 25 | } |
| 26 | } |
| 27 | |
| 28 | func TestStaticAssetsAreServed(t *testing.T) { |
| 29 | app := New(Config{}) |
| 30 | for _, name := range []string{ |
| 31 | "/static/tokens.css", |
| 32 | "/static/theme.css", |
| 33 | "/static/rastrillo.js", |
| 34 | "/static/sheets.css", |
| 35 | } { |
| 36 | rec := do(t, app, httptest.NewRequest(http.MethodGet, name, nil)) |
| 37 | if rec.Code != http.StatusOK { |
| 38 | t.Errorf("GET %s = %d, want 200", name, rec.Code) |
| 39 | } |
| 40 | if rec.Body.Len() == 0 { |
| 41 | t.Errorf("GET %s served an empty body", name) |
| 42 | } |
| 43 | } |
| 44 | } |
| 45 | |
| 46 | // The URL carries the content hash, so a browser can cache it forever |
| 47 | // and still get the new one after a deploy. A page linking the bare |
| 48 | // path would be served stale for as long as the cache lived. |
| 49 | func TestPagesLinkFingerprintedAssets(t *testing.T) { |
| 50 | rec := do(t, New(Config{}), httptest.NewRequest(http.MethodGet, "/", nil)) |
| 51 | body := rec.Body.String() |
| 52 | if strings.Contains(body, `href="/static/tokens.css"`) { |
| 53 | t.Fatal("the page links tokens.css unfingerprinted; a deploy would not bust the cache") |
| 54 | } |
| 55 | if !strings.Contains(body, "/static/tokens.") { |
| 56 | t.Fatalf("the page does not link tokens.css at all:\n%s", body) |
| 57 | } |
| 58 | } |
| 59 | |
| 60 | // A template error halfway through a direct write has already sent a |
| 61 | // 200 and half a page, and the browser shows a truncated document with |
| 62 | // no sign anything went wrong. |
| 63 | func TestRenderOfAnUnknownPageIs500NotAPanic(t *testing.T) { |
| 64 | rec := httptest.NewRecorder() |
| 65 | req := httptest.NewRequest(http.MethodGet, "/", nil) |
| 66 | New(Config{}).render(rec, req, "no-such-page", titled("T"), http.StatusOK, nil) |
| 67 | if rec.Code != http.StatusInternalServerError { |
| 68 | t.Fatalf("rendering an unknown page = %d, want 500", rec.Code) |
| 69 | } |
| 70 | } |
| 71 | |
amadan