shell

type Executor interface {
	// Execute runs a command and returns its standard output
	Execute(name string, args ...string) ([]byte, error)

	// ExecuteWithStdio runs a command with connected standard I/O
	ExecuteWithStdio(name string, args ...string) error

	// LookPath checks if a command exists
	LookPath(name string) (string, error)
}

type MockExecutor struct {
	ExecuteFunc          func(name string, args ...string) ([]byte, error)
	ExecuteWithStdioFunc func(name string, args ...string) error
	LookPathFunc         func(name string) (string, error)
}

type RealExecutor struct{}