133 lines
3.8 KiB
Go
133 lines
3.8 KiB
Go
package render
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import (
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"html/template"
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"strings"
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"testing"
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"slidewalk/internal/parser"
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)
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func TestRender_OrderAndStructure(t *testing.T) {
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page := Page{
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Title: "My Deck",
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Slides: []parser.Slide{
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{Filename: "010-intro.md", Title: "Intro", HTML: template.HTML("<h1>Intro</h1>")},
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{Filename: "020-diagram.md", Class: "center", Notes: "remember the punchline", HTML: template.HTML("<h1>Diagram</h1>")},
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{Filename: "030-outro.md", HTML: template.HTML("<h1>Outro</h1>")},
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},
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}
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var buf strings.Builder
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if err := Render(&buf, page); err != nil {
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t.Fatalf("Render() error = %v", err)
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}
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out := buf.String()
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if !strings.Contains(out, "<title>My Deck</title>") {
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t.Errorf("output missing document title: %s", out)
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}
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idxFirst := strings.Index(out, `data-slide="1"`)
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idxSecond := strings.Index(out, `data-slide="2"`)
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idxThird := strings.Index(out, `data-slide="3"`)
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if idxFirst == -1 || idxSecond == -1 || idxThird == -1 {
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t.Fatalf("output missing expected data-slide attributes: %s", out)
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}
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if !(idxFirst < idxSecond && idxSecond < idxThird) {
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t.Errorf("slides not in presentation order: %s", out)
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}
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if !strings.Contains(out, `class="slide center"`) {
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t.Errorf("output missing merged slide+custom class: %s", out)
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}
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if !strings.Contains(out, `<div class="notes">remember the punchline</div>`) {
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t.Errorf("output missing rendered notes: %s", out)
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}
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if strings.Count(out, "<h1>Intro</h1>") != 1 ||
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strings.Count(out, "<h1>Diagram</h1>") != 1 ||
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strings.Count(out, "<h1>Outro</h1>") != 1 {
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t.Errorf("output missing one or more slide bodies: %s", out)
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}
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if !strings.Contains(out, `<link rel="stylesheet" href="vendor/style.css">`) {
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t.Errorf("output missing stylesheet link: %s", out)
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}
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if !strings.Contains(out, "mermaid.initialize") {
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t.Errorf("output missing mermaid.initialize call: %s", out)
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}
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if !strings.Contains(out, `<script src="vendor/nav.js">`) {
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t.Errorf("output missing nav.js script tag: %s", out)
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}
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}
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func TestRender_IncrementalSlideGetsDataAttribute(t *testing.T) {
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page := Page{
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Slides: []parser.Slide{
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{Filename: "010-intro.md", Incremental: true, HTML: template.HTML("<ul><li>A</li></ul>")},
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{Filename: "020-outro.md", HTML: template.HTML("<h1>Outro</h1>")},
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},
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}
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var buf strings.Builder
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if err := Render(&buf, page); err != nil {
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t.Fatalf("Render() error = %v", err)
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}
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out := buf.String()
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if !strings.Contains(out, `data-slide="1" data-incremental="true"`) {
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t.Errorf("output missing data-incremental attribute on incremental slide: %s", out)
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}
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if strings.Contains(out, `data-slide="2" data-incremental`) {
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t.Errorf("non-incremental slide should not get data-incremental attribute: %s", out)
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}
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}
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func TestRender_NoNotesOmitsNotesElement(t *testing.T) {
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page := Page{
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Slides: []parser.Slide{
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{Filename: "010-intro.md", HTML: template.HTML("<h1>Intro</h1>")},
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},
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}
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var buf strings.Builder
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if err := Render(&buf, page); err != nil {
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t.Fatalf("Render() error = %v", err)
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}
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if strings.Contains(buf.String(), `class="notes"`) {
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t.Errorf("output should omit notes element when Notes is empty: %s", buf.String())
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}
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}
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func TestRender_DevReloadScript(t *testing.T) {
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tests := []struct {
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name string
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devReload bool
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}{
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{name: "omitted for static export", devReload: false},
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{name: "included for dev server", devReload: true},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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page := Page{
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Slides: []parser.Slide{
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{Filename: "010-intro.md", HTML: template.HTML("<h1>Intro</h1>")},
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},
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DevReload: tt.devReload,
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}
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var buf strings.Builder
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if err := Render(&buf, page); err != nil {
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t.Fatalf("Render() error = %v", err)
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}
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got := strings.Contains(buf.String(), `<script src="vendor/live-reload.js">`)
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if got != tt.devReload {
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t.Errorf("live-reload script present = %v, want %v", got, tt.devReload)
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}
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})
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}
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}
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