tq0 refactor UI help rendering

1 files changed, 75 insertions, 0 deletions

diff --git a/internal/ui/help/help_test.go b/internal/ui/help/help_test.go
new file mode 100644
index 0000000..79c3ec0
--- /dev/null
+++ b/internal/ui/help/help_test.go
@@ -0,0 +1,75 @@
+package help
+
+import (
+	"regexp"
+	"strings"
+	"testing"
+
+	"github.com/charmbracelet/x/ansi"
+)
+
+func TestLinesFlattensSectionsForSearch(t *testing.T) {
+	sections := []Section{
+		{
+			Title: "Navigation",
+			Items: []Item{
+				{Key: "j", Desc: "move down"},
+				{Key: "k", Desc: "move up"},
+			},
+		},
+		{
+			Title: "General",
+			Items: []Item{
+				{Key: "q", Desc: "quit"},
+			},
+		},
+	}
+
+	got := Lines(sections)
+	want := []string{
+		"Navigation",
+		"j: move down",
+		"k: move up",
+		"",
+		"General",
+		"q: quit",
+	}
+
+	if strings.Join(got, "\n") != strings.Join(want, "\n") {
+		t.Fatalf("Lines() mismatch\nwant:\n%s\ngot:\n%s", strings.Join(want, "\n"), strings.Join(got, "\n"))
+	}
+}
+
+func TestRenderHighlightsSearchMatches(t *testing.T) {
+	sections := []Section{
+		{
+			Title: "Search",
+			Items: []Item{
+				{Key: "/", Desc: "search tasks"},
+				{Key: "n", Desc: "next match"},
+			},
+		},
+	}
+	palette := Palette{
+		HeaderFG: "15",
+		HeaderBG: "8",
+		KeyFG:    "14",
+		DescFG:   "250",
+		SearchFG: "0",
+		SearchBG: "11",
+	}
+
+	base := Render(sections, palette, nil)
+	got := Render(sections, palette, regexp.MustCompile("search"))
+	if !strings.Contains(ansi.Strip(got), "search tasks") {
+		t.Fatalf("rendered help omitted matching item: %q", got)
+	}
+	if got == base {
+		t.Fatalf("search highlight did not change rendered help")
+	}
+
+	noMatch := Render(sections, palette, regexp.MustCompile("not-present"))
+	if noMatch != base {
+		t.Fatalf("non-matching search changed rendered help\nbase: %q\nnoMatch: %q", base, noMatch)
+	}
+}