package container

import (
	"context"
	"errors"
	"testing"

	"github.com/nspcc-dev/neofs-api-go/container"
	"github.com/stretchr/testify/require"
	"google.golang.org/grpc/codes"
	"google.golang.org/grpc/status"
)

// Entity for mocking interfaces.
// Implementation of any interface intercepts arguments via f (if not nil).
// If err is not nil, it returns as it is. Otherwise, casted to needed type res returns w/o error.
type testGetEntity struct {
	// Set of interfaces which entity must implement, but some methods from those does not call.

	// Argument interceptor. Used for ascertain of correct parameter passage between components.
	f func(...interface{})
	// Mocked result of any interface.
	res interface{}
	// Mocked error of any interface.
	err error
}

func TestCnrService_Get(t *testing.T) {
	ctx := context.TODO()

	t.Run("unhealthy", func(t *testing.T) {
		s := cnrService{
			healthy: &testCommonEntity{
				err: errors.New("some error"),
			},
		}

		_, err := s.Get(ctx, new(container.GetRequest))
		require.Error(t, err)
	})

	t.Run("invalid request structure", func(t *testing.T) {
		s := cnrService{
			healthy: new(testCommonEntity),
		}

		// create unsigned request
		req := new(container.GetRequest)
		require.Error(t, requestVerifyFunc(req))

		_, err := s.Get(ctx, req)
		require.Error(t, err)

		st, ok := status.FromError(err)
		require.True(t, ok)
		require.Equal(t, codes.InvalidArgument, st.Code())
	})
}