feat(tui): add TeaReporter forwarding engine events to bubbletea

internal/tui/reporter_test.go

@@ -0,0 +1,51 @@
+package tui
+
+import (
+	"sync"
+	"testing"
+
+	tea "github.com/charmbracelet/bubbletea"
+)
+
+type recorder struct {
+	mu   sync.Mutex
+	msgs []tea.Msg
+}
+
+func (r *recorder) Send(m tea.Msg) {
+	r.mu.Lock()
+	defer r.mu.Unlock()
+	r.msgs = append(r.msgs, m)
+}
+
+func (r *recorder) get() []tea.Msg {
+	r.mu.Lock()
+	defer r.mu.Unlock()
+	out := make([]tea.Msg, len(r.msgs))
+	copy(out, r.msgs)
+	return out
+}
+
+func TestTeaReporterForwardsProgressAndLog(t *testing.T) {
+	rec := &recorder{}
+	r := NewTeaReporter(rec)
+	r.Progress("mod", 1, 4, "step one")
+	r.Log("mod", "hello world")
+
+	msgs := rec.get()
+	if len(msgs) != 2 {
+		t.Fatalf("got %d msgs", len(msgs))
+	}
+	if p, ok := msgs[0].(ProgressMsg); !ok || p.ModuleID != "mod" || p.Current != 1 || p.Total != 4 {
+		t.Errorf("msg[0] = %+v", msgs[0])
+	}
+	if l, ok := msgs[1].(LogMsg); !ok || l.Line != "hello world" {
+		t.Errorf("msg[1] = %+v", msgs[1])
+	}
+}
+
+func TestTeaReporterNilSenderIsSafe(t *testing.T) {
+	r := NewTeaReporter(nil)
+	r.Progress("x", 1, 1, "y") // must not panic
+	r.Log("x", "y")
+}