tercul-backend/internal/app/work/queries_test.go

package work

import (
	"context"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/suite"
	"tercul/internal/domain"
	"testing"
)

type WorkQueriesSuite struct {
	suite.Suite
	repo    *mockWorkRepository
	queries *WorkQueries
}

func (s *WorkQueriesSuite) SetupTest() {
	s.repo = &mockWorkRepository{}
	s.queries = NewWorkQueries(s.repo)
}

func TestWorkQueriesSuite(t *testing.T) {
	suite.Run(t, new(WorkQueriesSuite))
}

func (s *WorkQueriesSuite) TestGetWorkByID_Success() {
	work := &domain.Work{Title: "Test Work"}
	work.ID = 1
	s.repo.getByIDFunc = func(ctx context.Context, id uint) (*domain.Work, error) {
		return work, nil
	}
	w, err := s.queries.GetWorkByID(context.Background(), 1)
	assert.NoError(s.T(), err)
	expectedDTO := &WorkDTO{
		ID:       work.ID,
		Title:    work.Title,
		Language: work.Language,
	}
	assert.Equal(s.T(), expectedDTO, w)
}

func (s *WorkQueriesSuite) TestGetWorkByID_ZeroID() {
	w, err := s.queries.GetWorkByID(context.Background(), 0)
	assert.Error(s.T(), err)
	assert.Nil(s.T(), w)
}

func (s *WorkQueriesSuite) TestListWorks_Success() {
	domainWorks := &domain.PaginatedResult[domain.Work]{
		Items: []domain.Work{
			{TranslatableModel: domain.TranslatableModel{BaseModel: domain.BaseModel{ID: 1}, Language: "en"}, Title: "Work 1"},
			{TranslatableModel: domain.TranslatableModel{BaseModel: domain.BaseModel{ID: 2}, Language: "fr"}, Title: "Work 2"},
		},
		TotalCount: 2,
		Page:       1,
		PageSize:   10,
		TotalPages: 1,
	}
	s.repo.listFunc = func(ctx context.Context, page, pageSize int) (*domain.PaginatedResult[domain.Work], error) {
		return domainWorks, nil
	}

	paginatedDTOs, err := s.queries.ListWorks(context.Background(), 1, 10)
	assert.NoError(s.T(), err)

	expectedDTOs := &domain.PaginatedResult[WorkDTO]{
		Items: []WorkDTO{
			{ID: 1, Title: "Work 1", Language: "en"},
			{ID: 2, Title: "Work 2", Language: "fr"},
		},
		TotalCount: 2,
		Page:       1,
		PageSize:   10,
		TotalPages: 1,
	}
	assert.Equal(s.T(), expectedDTOs, paginatedDTOs)
}

func (s *WorkQueriesSuite) TestGetWorkWithTranslations_Success() {
	work := &domain.Work{Title: "Test Work"}
	work.ID = 1
	s.repo.getWithTranslationsFunc = func(ctx context.Context, id uint) (*domain.Work, error) {
		return work, nil
	}
	w, err := s.queries.GetWorkWithTranslations(context.Background(), 1)
	assert.NoError(s.T(), err)
	assert.Equal(s.T(), work, w)
}

func (s *WorkQueriesSuite) TestGetWorkWithTranslations_ZeroID() {
	w, err := s.queries.GetWorkWithTranslations(context.Background(), 0)
	assert.Error(s.T(), err)
	assert.Nil(s.T(), w)
}

func (s *WorkQueriesSuite) TestFindWorksByTitle_Success() {
	works := []domain.Work{{Title: "Test Work"}}
	s.repo.findByTitleFunc = func(ctx context.Context, title string) ([]domain.Work, error) {
		return works, nil
	}
	w, err := s.queries.FindWorksByTitle(context.Background(), "Test")
	assert.NoError(s.T(), err)
	assert.Equal(s.T(), works, w)
}

func (s *WorkQueriesSuite) TestFindWorksByTitle_Empty() {
	w, err := s.queries.FindWorksByTitle(context.Background(), "")
	assert.Error(s.T(), err)
	assert.Nil(s.T(), w)
}

func (s *WorkQueriesSuite) TestFindWorksByAuthor_Success() {
	works := []domain.Work{{Title: "Test Work"}}
	s.repo.findByAuthorFunc = func(ctx context.Context, authorID uint) ([]domain.Work, error) {
		return works, nil
	}
	w, err := s.queries.FindWorksByAuthor(context.Background(), 1)
	assert.NoError(s.T(), err)
	assert.Equal(s.T(), works, w)
}

func (s *WorkQueriesSuite) TestFindWorksByAuthor_ZeroID() {
	w, err := s.queries.FindWorksByAuthor(context.Background(), 0)
	assert.Error(s.T(), err)
	assert.Nil(s.T(), w)
}

func (s *WorkQueriesSuite) TestFindWorksByCategory_Success() {
	works := []domain.Work{{Title: "Test Work"}}
	s.repo.findByCategoryFunc = func(ctx context.Context, categoryID uint) ([]domain.Work, error) {
		return works, nil
	}
	w, err := s.queries.FindWorksByCategory(context.Background(), 1)
	assert.NoError(s.T(), err)
	assert.Equal(s.T(), works, w)
}

func (s *WorkQueriesSuite) TestFindWorksByCategory_ZeroID() {
	w, err := s.queries.FindWorksByCategory(context.Background(), 0)
	assert.Error(s.T(), err)
	assert.Nil(s.T(), w)
}

func (s *WorkQueriesSuite) TestFindWorksByLanguage_Success() {
	works := &domain.PaginatedResult[domain.Work]{}
	s.repo.findByLanguageFunc = func(ctx context.Context, language string, page, pageSize int) (*domain.PaginatedResult[domain.Work], error) {
		return works, nil
	}
	w, err := s.queries.FindWorksByLanguage(context.Background(), "en", 1, 10)
	assert.NoError(s.T(), err)
	assert.Equal(s.T(), works, w)
}

func (s *WorkQueriesSuite) TestFindWorksByLanguage_Empty() {
	w, err := s.queries.FindWorksByLanguage(context.Background(), "", 1, 10)
	assert.Error(s.T(), err)
	assert.Nil(s.T(), w)
}