fancy theme

theme_test.go

@@ -0,0 +1,81 @@
+package main
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+
+	"github.com/charmbracelet/lipgloss"
+
+	"todoapp/internal/todos"
+)
+
+func assertFits(t *testing.T, view string, width, height int) {
+	t.Helper()
+	lines := strings.Split(strings.TrimSuffix(view, "\n"), "\n")
+	if len(lines) > height {
+		t.Fatalf("view is %d lines in %d-row terminal:\n%s", len(lines), height, view)
+	}
+	for _, line := range lines {
+		if lipgloss.Width(line) > width {
+			t.Fatalf("line is %d cells in %d-column terminal: %q", lipgloss.Width(line), width, line)
+		}
+	}
+}
+
+func TestStyledScreensFitTerminals(t *testing.T) {
+	for _, size := range [][2]int{{80, 24}, {50, 14}, {32, 10}} {
+		width, height := size[0], size[1]
+		app := model{width: width, height: height, project: "/tmp/project", todosDir: "/tmp/project/.pi/todos", items: []todos.Todo{
+			{ID: "deadbeef", Title: "A long title for a narrow terminal", Status: "open", Tags: []string{"qa"}, Body: "# Long heading\n\nBody text."},
+			{ID: "cafebabe", Title: "Another todo", Status: "in_progress_with_long_status", Tags: []string{"a very long tag that must be clipped"}, Body: "Second body"},
+		}}
+		assertFits(t, app.View(), width, height)
+		if !strings.Contains(app.View(), "› ") || !strings.Contains(app.View(), "Search:") {
+			t.Fatal("selection or search missing from styled list")
+		}
+		app = testKey(app, runeKey('/'))
+		app = testKey(app, runeKey('z'))
+		if !strings.Contains(app.View(), "No matching todos") {
+			t.Fatal("search empty state missing")
+		}
+		assertFits(t, app.View(), width, height)
+		app.search, app.query = false, ""
+		app.detail = true
+		assertFits(t, app.View(), width, height)
+		app.detail = false
+		// Render an editor without touching the filesystem.
+		app.editor = &editor{creating: true, fields: [3]string{"A title that goes well beyond the width of this small window", "qa, pi", "Line one\nLine two"}}
+		app.editor.selectField(0)
+		if !strings.Contains(app.View(), "▏") {
+			t.Fatalf("title cursor hidden at width %d: %s", width, app.View())
+		}
+		assertFits(t, app.View(), width, height)
+		app.editor.selectField(2)
+		assertFits(t, app.View(), width, height)
+		app.confirm = "close"
+		assertFits(t, app.View(), width, height)
+	}
+}
+
+func TestNoColorAndMalformedWarning(t *testing.T) {
+	t.Setenv("NO_COLOR", "1")
+	project := t.TempDir()
+	dir := todos.Dir(project)
+	if err := os.MkdirAll(dir, 0700); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.WriteFile(filepath.Join(dir, "deadbeef.md"), []byte("invalid"), 0600); err != nil {
+		t.Fatal(err)
+	}
+	app, err := newModel(project)
+	if err != nil {
+		t.Fatal(err)
+	}
+	view := app.View()
+	if !strings.Contains(view, "Warning") || !strings.Contains(view, "No todos yet") || strings.Contains(view, "\x1b[") {
+		t.Fatalf("no-color warning/empty state is unclear: %s", view)
+	}
+	assertFits(t, view, 80, 24)
+}