Board workspace with real panels, tabs and theme; Nerd Font declared for all three machines

tui/frame_test.go

@@ -0,0 +1,58 @@
+package main
+
+// The frame is the one place where an off-by-one becomes a broken screen, so it
+// is checked rather than eyeballed: every rendered line must be exactly the
+// width asked for, at every size, with and without tabs.
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/charmbracelet/lipgloss"
+)
+
+func lines(s string) []string { return strings.Split(s, "\n") }
+
+func TestFrameEveryLineIsExactWidth(t *testing.T) {
+	for w := 10; w <= 90; w++ {
+		for h := 3; h <= 20; h++ {
+			for _, tabs := range [][]string{nil, {"one", "two"}, {"a"}} {
+				for _, focused := range []bool{false, true} {
+					p := panel{title: "tasks", tabs: tabs, width: w, height: h, focused: focused}
+					out := p.render([]string{"first", "second"})
+					got := lines(out)
+					if len(got) != h {
+						t.Fatalf("width %d height %d: got %d lines, want %d", w, h, len(got), h)
+					}
+					for i, ln := range got {
+						if lipgloss.Width(ln) != w {
+							t.Fatalf("width %d height %d tab=%v focus=%v line %d: width %d (%q)",
+								w, h, tabs, focused, i, lipgloss.Width(ln), ln)
+						}
+					}
+				}
+			}
+		}
+	}
+}
+
+func TestFrameBodyIsClippedNotWrapped(t *testing.T) {
+	p := panel{title: "t", width: 20, height: 4}
+	out := p.render([]string{"a line that is much too long for the frame"})
+	for i, ln := range lines(out) {
+		if lipgloss.Width(ln) != 20 {
+			t.Fatalf("line %d is %d wide, want 20: %q", i, lipgloss.Width(ln), ln)
+		}
+	}
+}
+
+func TestTruncateVisibleKeepsStylingAndWidth(t *testing.T) {
+	styled := lipgloss.NewStyle().Bold(true).Render("abcdefghij")
+	got := truncateVisible(styled, 5)
+	if lipgloss.Width(got) > 5 {
+		t.Fatalf("truncated width %d, want at most 5: %q", lipgloss.Width(got), got)
+	}
+	if !strings.Contains(got, "…") {
+		t.Fatalf("truncation should say it truncated: %q", got)
+	}
+}