Function stubAllFocusBackends

internal/spawner/spawner_test.go:415–453

stubAllFocusBackends replaces the per-backend PSRunner / RunnerOutput vars with stubs that flip a bool when the backend's FocusSession path runs. Restores originals on cleanup.

(t *testing.T)

// vars with stubs that flip a bool when the backend's FocusSession
// path runs. Restores originals on cleanup.
func stubAllFocusBackends(t *testing.T) focusFlags {
	t.Helper()
	var itermCalled, terminalCalled, zellijCalled, kittyCalled bool

	oldITermPS := iterm.PSRunner
	iterm.PSRunner = func() ([]byte, error) {
		itermCalled = true
		return []byte(""), nil // empty ps output -> ttyForClaudeSession returns "" -> (false, nil)
	}
	t.Cleanup(func() { iterm.PSRunner = oldITermPS })

	oldTermPS := terminal.PSRunner
	terminal.PSRunner = func() ([]byte, error) {
		terminalCalled = true
		return []byte(""), nil
	}
	t.Cleanup(func() { terminal.PSRunner = oldTermPS })

	oldZellijRO := zellij.RunnerOutput
	zellij.RunnerOutput = func(args []string) ([]byte, error) {
		zellijCalled = true
		return []byte("[]"), nil // empty pane list -> (false, nil)
	}
	t.Cleanup(func() { zellij.RunnerOutput = oldZellijRO })

	oldKittyRO := kitty.RunnerOutput
	kitty.RunnerOutput = func(args []string) ([]byte, error) {
		kittyCalled = true
		return []byte("[]"), nil // empty OS-window list -> (false, nil)
	}
	t.Cleanup(func() { kitty.RunnerOutput = oldKittyRO })

	return focusFlags{
		iterm:    &itermCalled,
		terminal: &terminalCalled,
		zellij:   &zellijCalled,
		kitty:    &kittyCalled,
	}
}

// TestShellQuoteParity makes sure the re-exported helper matches
// every backend's implementation. All backends quote identically.