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path: root/internal/web/render_test.go
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package web

import (
	"os"
	"path/filepath"
	"strings"
	"testing"

	"github.com/lukaszkasprzak/lectio/internal/liturgy"
)

func TestRenderReadings(t *testing.T) {
	secs := []liturgy.Section{{Heading: "Ewangelia (J 20, 1. 11-18)", PartID: "ewangelia"}}
	html := string(RenderReadings(secs, []string{"wuj"}, "new"))
	if !strings.Contains(html, "Ewangelia") || !strings.Contains(html, "class=") {
		t.Errorf("reading pane missing heading/classes: %q", html[:min(200, len(html))])
	}
}

func TestBuiltinThemes(t *testing.T) {
	t.Setenv("XDG_CONFIG_HOME", t.TempDir()) // no user themes
	for _, name := range []string{
		"transfiguration", "desert_fathers", "benedictines", "franciscans",
		"memento_mori", "camedules", "advent", "nativity", "lent", "easter",
		"pentecost", "ordinary",
	} {
		if b, err := themeCSS(name); err != nil || len(b) == 0 {
			t.Errorf("built-in theme %s not embedded: %v", name, err)
		}
	}
}

func TestThemeCSSGuardRejectsInvalidNames(t *testing.T) {
	t.Setenv("XDG_CONFIG_HOME", t.TempDir()) // no user themes
	for _, name := range []string{"../../etc/passwd", "..", "a/b", ""} {
		if _, err := themeCSS(name); err == nil {
			t.Errorf("themeCSS(%q): expected error, got nil", name)
		}
	}
}

func TestRenderReadingsEscapesScriptText(t *testing.T) {
	secs := []liturgy.Section{{
		Heading:    "Test",
		PartID:     "pierwsze_czytanie",
		Paragraphs: [][]string{{"<script>alert(1)</script>"}},
	}}
	html := string(RenderReadings(secs, []string{"pl"}, "new"))
	if strings.Contains(html, "<script>alert(1)</script>") {
		t.Errorf("raw <script> leaked into rendered output: %q", html)
	}
	if !strings.Contains(html, "&lt;script&gt;alert(1)&lt;/script&gt;") {
		t.Errorf("expected escaped script tag in output: %q", html)
	}
}

func TestUserTheme(t *testing.T) {
	dir := t.TempDir()
	t.Setenv("XDG_CONFIG_HOME", dir)
	td := filepath.Join(dir, "lectio", "themes")
	os.MkdirAll(td, 0o755)
	os.WriteFile(filepath.Join(td, "mine.css"), []byte(".heading{color:#f00}"), 0o644)
	found := false
	for _, n := range Themes() {
		if n == "mine" {
			found = true
		}
	}
	if !found {
		t.Error("user theme 'mine' not listed by Themes()")
	}
	if b, err := themeCSS("mine"); err != nil || len(b) == 0 {
		t.Errorf("user theme not read: %v", err)
	}
}