Function newTestModel

internal/tui/tui_test.go:30–50

newTestModel wires a model against a mock OpenAI SSE server so we can exercise submit → stream → done without the real stack. The server is torn down via t.Cleanup.

(t *testing.T, handler http.HandlerFunc)

// exercise submit → stream → done without the real stack. The server is
// torn down via t.Cleanup.
func newTestModel(t *testing.T, handler http.HandlerFunc) Model {
	t.Helper()
	srv := httptest.NewServer(handler)
	t.Cleanup(srv.Close)

	cfg, _, err := config.Bootstrap(t.TempDir())
	if err != nil {
		t.Fatal(err)
	}
	cfg.ActiveProfile().URL = srv.URL
	// Persist so the reload-on-slash path reads the mock URL back, not the
	// seeded localhost default.
	if err := cfg.Save(); err != nil {
		t.Fatal(err)
	}
	client := llm.New(srv.URL, cfg.ActiveProfile().LLM, "")
	m := New(cfg, client, t.TempDir(), "test")
	// give it a size so view() doesn't panic
	sized, _ := m.Update(tea.WindowSizeMsg{Width: 100, Height: 30})
	return sized.(Model)
}

// TestSystemPromptIncludesWorkingDirAndInvestigateRule: the system prompt must
// (a) tell the model to investigate files itself rather than ask the user to