Function TestCancelMidStreamPreservesStreamedText

internal/tui/tui_test.go:2516–2539

TestCancelMidStreamPreservesStreamedText: Ctrl+C while content is streaming keeps the partial response visible (flushed to scroll) and appends the cancelled marker. The user never loses context they've already read.

(t *testing.T)

	}
	if om.streaming.String() != "hello world" {
		t.Fatalf("streaming buffer should contain raw content, got %q", om.streaming.String())
	}
	if om.scroll.Len() != 0 {
		t.Fatalf("scroll should still be empty before flush, got %q", om.scroll.String())
	}
	if !strings.Contains(om.View(), "hello world") {
		t.Fatalf("View must show live text during stream: %q", om.View())
	}
}

// TestEventDoneFlushesStreamingThroughGlamour: EventDone moves raw streamed
// text into the committed scroll via the Markdown renderer and empties the
// streaming buffer. After Done, scroll contains the rendered block and the
// streaming buffer is empty.
func TestEventDoneFlushesStreamingThroughGlamour(t *testing.T) {
	m := newTestModel(t, func(http.ResponseWriter, *http.Request) {})
	m.phase = phaseStreaming
	m.streaming.WriteString("done message")
	out, _ := m.handleStream(llm.Event{Kind: llm.EventDone, Final: &chmctx.Message{Role: chmctx.RoleAssistant, Content: "done message"}})
	om := out.(Model)
	if om.streaming.Len() != 0 {
		t.Fatalf("streaming should be empty after Done, got %q", om.streaming.String())
	}
	if !strings.Contains(stripANSI(om.scroll.String()), "done message") {
		t.Fatalf("rendered content should be in scroll: %q", om.scroll.String())
	}
}