Function TestDoInvertSelectionWithLineAtError

action_test.go:137–172

(t *testing.T)

}

func TestDoInvertSelectionWithLineAtError(t *testing.T) {
	state := New()
	state.screen = NewDummyScreen()
	state.configReader = nopConfigReader

	rh := &recordingHub{}
	state.hub = rh

	// Create lines and a buffer where index 1 fails
	l0 := line.NewRaw(1, "line0", false, false)
	l1 := line.NewRaw(2, "line1", false, false)
	l2 := line.NewRaw(3, "line2", false, false)

	buf := &failingBuffer{
		lines:  []line.Line{l0, l1, l2},
		failAt: map[int]bool{1: true},
	}
	state.currentLineBuffer = buf

	// Pre-select lines 0 and 2, so inversion should deselect them
	state.Selection().Add(l0)
	state.Selection().Add(l2)

	// This should NOT panic despite LineAt returning nil for index 1.
	require.NotPanics(t, func() {
		doInvertSelection(context.Background(), state, Event{})
	}, "doInvertSelection must not panic when LineAt returns an error")

	// Line 0 was selected → should now be deselected.
	// Line 1 failed → skip (remain unselected).
	// Line 2 was selected → should now be deselected.
	sel := state.Selection()
	require.False(t, sel.Has(l0), "line 0 was selected, should be deselected after inversion")
	require.False(t, sel.Has(l1), "line 1 should not be affected (LineAt failed)")
	require.False(t, sel.Has(l2), "line 2 was selected, should be deselected after inversion")
}

func TestActionFunc(t *testing.T) {
	called := 0