| 1 | package layout_test |
| 2 | |
| 3 | import ( |
| 4 | "encoding/json" |
| 5 | "strings" |
| 6 | "testing" |
| 7 | |
| 8 | "amadan.net/oficina/slides/internal/slides/deck" |
| 9 | "amadan.net/oficina/slides/internal/slides/layout" |
| 10 | ) |
| 11 | |
| 12 | // Codex 7: two columns blocks naming each other used to leave the |
| 13 | // paint list with nothing from either — every member was claimed, so |
| 14 | // no traversal started. The engine now draws what nothing reached after |
| 15 | // the rest and says so with a warning, on both layouts, and the page |
| 16 | // (render) does the same. |
| 17 | func cyclic(layout string) *deck.Deck { |
| 18 | blocks := []deck.Block{ |
| 19 | {ID: "intro", Type: "text", Region: "body", Text: txt("Reached")}, |
| 20 | {ID: "one", Type: "columns", Region: "body", |
| 21 | Props: map[string]any{"children": []any{"two", "kid"}}}, |
| 22 | {ID: "two", Type: "columns", Region: "body", |
| 23 | Props: map[string]any{"children": []any{"one"}}}, |
| 24 | {ID: "kid", Type: "text", Region: "body", Text: txt("Under the cycle")}, |
| 25 | } |
| 26 | if layout == "canvas" { |
| 27 | for i := range blocks { |
| 28 | blocks[i].Region = "" |
| 29 | blocks[i].Box = box(0.1, 0.1+0.2*float64(i), 0.8, 0.15) |
| 30 | blocks[i].Z = i |
| 31 | } |
| 32 | } |
| 33 | return &deck.Deck{ |
| 34 | Meta: deck.Meta{Theme: "paper"}, |
| 35 | Slides: []deck.Slide{{ID: "s", Layout: layout, Template: "blank", Blocks: blocks}}, |
| 36 | } |
| 37 | } |
| 38 | |
| 39 | func TestBlocksNothingReachesAreDrawnAndReported(t *testing.T) { |
| 40 | for _, l := range []string{"flow", "canvas"} { |
| 41 | t.Run(l, func(t *testing.T) { |
| 42 | p, warnings, err := layout.Layout(cyclic(l), 0) |
| 43 | if err != nil { |
| 44 | t.Fatal(err) |
| 45 | } |
| 46 | raw, err := json.Marshal(p) |
| 47 | if err != nil { |
| 48 | t.Fatal(err) |
| 49 | } |
| 50 | s := string(raw) |
| 51 | for _, word := range []string{"Reached", "Under the cycle"} { |
| 52 | if !strings.Contains(s, word) { |
| 53 | t.Errorf("the paint list lost %q:\n%s", word, s) |
| 54 | } |
| 55 | } |
| 56 | if strings.Index(s, "Reached") > strings.Index(s, "Under the cycle") { |
| 57 | t.Errorf("the unreached content is drawn before the reached content") |
| 58 | } |
| 59 | var unreached []string |
| 60 | for _, w := range warnings { |
| 61 | if w.Kind == layout.WarnUnreached { |
| 62 | unreached = append(unreached, w.Block) |
| 63 | if w.Slide != "s" { |
| 64 | t.Errorf("warning does not name the slide: %+v", w) |
| 65 | } |
| 66 | } |
| 67 | } |
| 68 | if strings.Join(unreached, ",") != "one,two,kid" { |
| 69 | t.Errorf("unreached warnings name %v, want one, two, kid", unreached) |
| 70 | } |
| 71 | }) |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | // A well-formed deck reports nothing unreached: the fixture is every |
| 76 | // template and both layouts. |
| 77 | func TestAWellFormedDeckHasNothingUnreached(t *testing.T) { |
| 78 | d := fixture() |
| 79 | for i := range d.Slides { |
| 80 | _, warnings, err := layout.Layout(d, i) |
| 81 | if err != nil { |
| 82 | t.Fatal(err) |
| 83 | } |
| 84 | for _, w := range warnings { |
| 85 | if w.Kind == layout.WarnUnreached { |
| 86 | t.Errorf("slide %d: %+v", i, w) |
| 87 | } |
| 88 | } |
| 89 | } |
| 90 | } |
| 91 | |
amadan