nix-amer/internal/pkg/loader_test.go

package pkg

import (
	"git.xdrm.io/go/nix-amer/internal/exec"
	"testing"
)

/////////////////// MOCKUP START ///////////////////
type MockupCommand struct {
	Out []byte
	Err error
}

func (c MockupCommand) Run() error              { return c.Err }
func (c MockupCommand) Output() ([]byte, error) { return c.Out, c.Err }

type MockupExecutor struct {
	Out []byte
	Err error
}

func (d MockupExecutor) Command(cmd string, args ...string) exec.Command {
	return &MockupCommand{Out: d.Out, Err: d.Err}
}

/////////////////// MOCKUP END ///////////////////

func TestUnknownManager(t *testing.T) {

	execctx := new(MockupExecutor)
	execctx.Err = nil
	execctx.Out = []byte{}

	_, err := Load("apt-put", execctx)
	if err != ErrUnknownManager {
		t.Errorf("expected <%s>, got <%s>", ErrUnknownManager, err)
		t.Fail()
	}

}
func TestKnownManager(t *testing.T) {
	execctx := new(MockupExecutor)
	execctx.Err = nil
	execctx.Out = []byte{}

	_, err := Load("apt-get", execctx)
	if err != nil {
		t.Errorf("unexpected error <%s>", err)
		t.Fail()
	}

}