From ed34fd574b4fc2e0a52c655ececddd1be29b271e Mon Sep 17 00:00:00 2001
From: Lukasz Kasprzak <lukas@labunix.xyz>
Date: Fri, 24 Jul 2026 12:26:23 +0200
Subject: reader: lectio-ui --reader fuzzy book picker + chapter reader over
 the corpora; v0.8.0

---
 internal/tui/reader_test.go | 100 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 100 insertions(+)
 create mode 100644 internal/tui/reader_test.go

(limited to 'internal/tui/reader_test.go')

diff --git a/internal/tui/reader_test.go b/internal/tui/reader_test.go
new file mode 100644
index 0000000..167e546
--- /dev/null
+++ b/internal/tui/reader_test.go
@@ -0,0 +1,100 @@
+package tui
+
+import (
+	"strings"
+	"testing"
+
+	tea "github.com/charmbracelet/bubbletea"
+
+	"github.com/lukaszkasprzak/lectio/internal/bible"
+	"github.com/lukaszkasprzak/lectio/internal/config"
+)
+
+func enReader(t *testing.T) ReaderModel {
+	t.Helper()
+	tbl, err := bible.LoadBookTable(nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+	cfg := config.Default()
+	cfg.UILanguage = "en"
+	cfg.SiglaStyle = "english"
+	cfg.Versions = []string{"bt", "wuj", "vul", "grb", "drb"}
+	return NewReader(cfg, tbl)
+}
+
+func key(m ReaderModel, k tea.KeyMsg) ReaderModel {
+	nm, _ := m.Update(k)
+	return nm.(ReaderModel)
+}
+
+func runes(s string) tea.KeyMsg { return tea.KeyMsg{Type: tea.KeyRunes, Runes: []rune(s)} }
+
+func TestReaderInit(t *testing.T) {
+	m := enReader(t)
+	if m.mode != modePick {
+		t.Errorf("mode = %v want modePick", m.mode)
+	}
+	if len(m.matches) != len(m.books) || len(m.books) != 73 {
+		t.Errorf("matches=%d books=%d", len(m.matches), len(m.books))
+	}
+	if len(m.versions) == 0 || m.versions[0] == "bt" {
+		t.Errorf("versions = %v (bt must be excluded, non-empty)", m.versions)
+	}
+}
+
+func TestReaderFilterAndOpen(t *testing.T) {
+	m := enReader(t)
+	nm, _ := m.Update(tea.WindowSizeMsg{Width: 80, Height: 24})
+	m = nm.(ReaderModel)
+	m = key(m, runes("jn"))
+	if len(m.matches) == 0 || m.books[m.matches[0]].Canonical != "John" {
+		t.Fatalf("filter 'jn' top = %v", m.books[m.matches[m.pickSel]])
+	}
+	m = key(m, tea.KeyMsg{Type: tea.KeyEnter})
+	if m.mode != modeRead {
+		t.Fatalf("did not enter read mode")
+	}
+	if m.books[m.bookIdx].Canonical != "John" || len(m.verses) == 0 {
+		t.Errorf("opened book=%q verses=%d", m.books[m.bookIdx].Canonical, len(m.verses))
+	}
+	if !strings.Contains(m.View(), "1") { // chapter 1 header
+		t.Errorf("read view missing chapter:\n%s", m.View())
+	}
+}
+
+func TestReaderChapterAndVersion(t *testing.T) {
+	m := enReader(t)
+	nm, _ := m.Update(tea.WindowSizeMsg{Width: 80, Height: 24})
+	m = nm.(ReaderModel)
+	m = key(m, runes("jn"))
+	m = key(m, tea.KeyMsg{Type: tea.KeyEnter})
+	firstChap := m.chapters[m.chapPos]
+	m = key(m, tea.KeyMsg{Type: tea.KeyRunes, Runes: []rune("n")}) // next chapter
+	if m.chapters[m.chapPos] <= firstChap {
+		t.Errorf("chapter did not advance: %d -> %d", firstChap, m.chapters[m.chapPos])
+	}
+	v0 := m.verIdx
+	m = key(m, tea.KeyMsg{Type: tea.KeyTab})
+	if m.verIdx == v0 {
+		t.Errorf("version did not cycle")
+	}
+	// esc returns to picker
+	m = key(m, tea.KeyMsg{Type: tea.KeyEsc})
+	if m.mode != modePick {
+		t.Errorf("esc did not return to picker")
+	}
+}
+
+func TestReaderFuzzyScore(t *testing.T) {
+	if s, ok := fuzzyScore("gen", "Gen Genesis"); !ok || s < 500 {
+		t.Errorf("substring score = %d,%v", s, ok)
+	}
+	if _, ok := fuzzyScore("xyz", "Gen Genesis"); ok {
+		t.Error("xyz should not match Genesis")
+	}
+	// subsequence: g..s..s across the string
+	if _, ok := fuzzyScore("gss", "Gen Genesis"); !ok {
+		t.Error("gss should subsequence-match")
+	}
+}
-- 
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