From 4c776396115c8120c3e1cb8fda993449fcdcd326 Mon Sep 17 00:00:00 2001
From: Lukasz Kasprzak <lukas@labunix.xyz>
Date: Thu, 23 Jul 2026 21:51:40 +0200
Subject: i18n: ui_language config (default en) for UI chrome across
 cli/tui/web; version labels localised

---
 internal/web/render_test.go | 30 ++++++++++++++++++++++++------
 1 file changed, 24 insertions(+), 6 deletions(-)

(limited to 'internal/web/render_test.go')

diff --git a/internal/web/render_test.go b/internal/web/render_test.go
index 0e64168..ea44ed2 100644
--- a/internal/web/render_test.go
+++ b/internal/web/render_test.go
@@ -11,7 +11,7 @@ import (
 
 func TestRenderReadings(t *testing.T) {
 	secs := []liturgy.Section{{Heading: "Ewangelia (J 20, 1. 11-18)", PartID: "ewangelia"}}
-	html := string(RenderReadings(secs, []string{"wuj"}, "new", "horizontal"))
+	html := string(RenderReadings(secs, []string{"wuj"}, "new", "horizontal", "pl"))
 	if !strings.Contains(html, "Ewangelia") || !strings.Contains(html, "class=") {
 		t.Errorf("reading pane missing heading/classes: %q", html[:min(200, len(html))])
 	}
@@ -45,7 +45,7 @@ func TestRenderReadingsEscapesScriptText(t *testing.T) {
 		PartID:     "pierwsze_czytanie",
 		Paragraphs: [][]string{{"<script>alert(1)</script>"}},
 	}}
-	html := string(RenderReadings(secs, []string{"pl"}, "new", "horizontal"))
+	html := string(RenderReadings(secs, []string{"pl"}, "new", "horizontal", "pl"))
 	if strings.Contains(html, "<script>alert(1)</script>") {
 		t.Errorf("raw <script> leaked into rendered output: %q", html)
 	}
@@ -56,7 +56,7 @@ func TestRenderReadingsEscapesScriptText(t *testing.T) {
 
 func TestRenderReadingsVertical(t *testing.T) {
 	secs := []liturgy.Section{{Heading: "Ewangelia (J 20, 1. 11-18)", PartID: "ewangelia"}}
-	html := string(RenderReadings(secs, []string{"wuj", "vul"}, "new", "vertical"))
+	html := string(RenderReadings(secs, []string{"wuj", "vul"}, "new", "vertical", "pl"))
 	if !strings.Contains(html, "display-vertical") {
 		t.Errorf("vertical output missing display-vertical container: %q", html[:min(300, len(html))])
 	}
@@ -70,7 +70,7 @@ func TestRenderReadingsVertical(t *testing.T) {
 
 func TestRenderReadingsInterlinear(t *testing.T) {
 	secs := []liturgy.Section{{Heading: "Ewangelia (J 20, 1. 11-18)", PartID: "ewangelia"}}
-	html := string(RenderReadings(secs, []string{"wuj", "vul"}, "new", "interlinear"))
+	html := string(RenderReadings(secs, []string{"wuj", "vul"}, "new", "interlinear", "pl"))
 	if !strings.Contains(html, "ilverse") {
 		t.Errorf("interlinear output missing ilverse: %q", html[:min(300, len(html))])
 	}
@@ -91,7 +91,7 @@ func TestRenderReadingsInterlinear(t *testing.T) {
 
 func TestRenderReadingsInterlinearExcludesPL(t *testing.T) {
 	secs := []liturgy.Section{{Heading: "Ewangelia (J 20, 1. 11-18)", PartID: "ewangelia"}}
-	html := string(RenderReadings(secs, []string{"pl", "vul"}, "new", "interlinear"))
+	html := string(RenderReadings(secs, []string{"pl", "vul"}, "new", "interlinear", "pl"))
 	if strings.Contains(html, "Polski (niedziela.pl)") {
 		t.Errorf("interlinear output should substitute wuj for pl, not carry pl's label: %q", html[:min(300, len(html))])
 	}
@@ -102,12 +102,30 @@ func TestRenderReadingsInterlinearExcludesPL(t *testing.T) {
 
 func TestRenderReadingsInterlinearNoVersifiedNote(t *testing.T) {
 	secs := []liturgy.Section{{Heading: "Bez odwołania", PartID: "ewangelia"}}
-	html := string(RenderReadings(secs, []string{"wuj"}, "new", "interlinear"))
+	html := string(RenderReadings(secs, []string{"wuj"}, "new", "interlinear", "pl"))
 	if strings.Contains(html, "ilverse") {
 		t.Errorf("expected no ilverse blocks when nothing resolves: %q", html)
 	}
 }
 
+// TestRenderReadingsLocalizesEN checks that lang="en" localises both the
+// version-column label (via render.GatherVersion) and the section heading's
+// part-label word (via render.LocalizeHeading, brief §3b), while the
+// citation stays exactly as scraped.
+func TestRenderReadingsLocalizesEN(t *testing.T) {
+	secs := []liturgy.Section{{Heading: "Ewangelia (J 20, 1. 11-18)", PartID: "ewangelia"}}
+	html := string(RenderReadings(secs, []string{"vul"}, "new", "horizontal", "en"))
+	if !strings.Contains(html, "Gospel (J 20, 1. 11-18)") {
+		t.Errorf("en output missing localised heading: %q", html[:min(300, len(html))])
+	}
+	if !strings.Contains(html, "Vulgate (Latin)") {
+		t.Errorf("en output missing localised version label: %q", html[:min(300, len(html))])
+	}
+	if strings.Contains(html, "Ewangelia") {
+		t.Errorf("en output should not carry the Polish heading label: %q", html[:min(300, len(html))])
+	}
+}
+
 func TestUserTheme(t *testing.T) {
 	dir := t.TempDir()
 	t.Setenv("XDG_CONFIG_HOME", dir)
-- 
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