ConferenceServiceTests.cs

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using System.Collections.Generic;
using System.Linq;
using Microsoft.EntityFrameworkCore;
using Moq;
using ScientificReport.BLL.Services;
using ScientificReport.DAL.DbContext;
using ScientificReport.DAL.Entities;
using ScientificReport.DAL.Entities.UserProfile;
using Xunit;

namespace ScientificReport.Test.ServicesTests
{
    public class ConferenceServiceTests
    {
        private readonly Mock<DbSet<Conference>> _mockDbSet = MockProvider.GetMockSet(GetTestData().AsQueryable());

        private static IEnumerable<Conference> GetTestData()
        {
            return new[]
            {
                TestData.Conference1,
                TestData.Conference2
            };
        }

        private Mock<ScientificReportDbContext> GetMockContext()
        {
            var mockContext = new Mock<ScientificReportDbContext>();
            mockContext.Setup(item => item.Conferences).Returns(_mockDbSet.Object);

            TestData.ReportThesis1.UserProfilesReportTheses = new[] {new UserProfilesReportThesis
            {
                ReportThesis = TestData.ReportThesis1,
                UserProfile = TestData.User1
            }};
            TestData.ReportThesis2.UserProfilesReportTheses = new[] {new UserProfilesReportThesis
            {
                ReportThesis = TestData.ReportThesis2,
                UserProfile = TestData.User1
            }};
            TestData.ReportThesis3.UserProfilesReportTheses = new[] {new UserProfilesReportThesis
            {
                ReportThesis = TestData.ReportThesis3,
                UserProfile = TestData.User1
            }};
            
            var userProfileSet = MockProvider.GetMockSet(new []{TestData.User1}.AsQueryable());
            var departmentSet = MockProvider.GetMockSet(new []{TestData.Department1}.AsQueryable());
            var conferenceSet = MockProvider.GetMockSet(new []{TestData.Conference1}.AsQueryable());
            var reportThesesSet = MockProvider.GetMockSet(new []{TestData.ReportThesis1, TestData.ReportThesis2, TestData.ReportThesis3}.AsQueryable());
            
            mockContext.Setup(item => item.UserProfiles).Returns(userProfileSet.Object);
            mockContext.Setup(item => item.Departments).Returns(departmentSet.Object);
            mockContext.Setup(item => item.Conferences).Returns(conferenceSet.Object);
            mockContext.Setup(item => item.ReportTheses).Returns(reportThesesSet.Object);
            
            return mockContext;
        }

        [Fact]
        public void GetAllTest()
        {
            var list = GetTestData().AsQueryable();

            var mockContext = new Mock<ScientificReportDbContext>();
            mockContext.Setup(item => item.Conferences).Returns(MockProvider.GetMockSet(list).Object);
            var service = new ConferenceService(mockContext.Object);

            var actual = service.GetAll();

            Assert.Equal(list.Count(), actual.Count());
        }

        [Fact]
        public void GetAllWhereTest()
        {
            var service = new ConferenceService(GetMockContext().Object);
            var actual = service.GetAllWhere(u => u.Id.Equals(TestData.Conference1.Id));
            Assert.Single(actual);
        }

        [Fact]
        public void GetByIdTest()
        {
            var expected = GetTestData().First();
            var service = new ConferenceService(GetMockContext().Object);

            var actual = service.GetById(expected.Id);

            Assert.NotNull(actual);
            Assert.Equal(expected.Id, actual.Id);
        }

        [Fact]
        public void CreateItemTest()
        {
            var mockContext = GetMockContext();
            var service = new ConferenceService(mockContext.Object);

            var expected = TestData.Conference3;
            service.CreateItem(expected);
        }

        [Fact]
        public void UpdateItemTest()
        {
            var service = new ConferenceService(GetMockContext().Object);

            var expected = GetTestData().Last();
            expected.Topic = TestData.Conference3.Topic;
            service.UpdateItem(expected);
        }

        [Fact]
        public void DeleteItemTest()
        {
            var mockContext = GetMockContext();
            var service = new ConferenceService(mockContext.Object);

            var item = mockContext.Object.Conferences.First();

            Assert.True(service.Exists(item.Id));

            service.DeleteById(item.Id);

            Assert.False(service.Exists(item.Id));
        }

        [Fact]
        public void ExistsTest()
        {
            var mockContext = GetMockContext();
            var service = new ConferenceService(mockContext.Object);

            var item = mockContext.Object.Conferences.First();
            var exists = service.Exists(item.Id);

            Assert.True(exists);
        }

        [Fact]
        public void DoesNotExistTest()
        {
            var service = new ConferenceService(GetMockContext().Object);

            var item = TestData.Conference3;
            var exists = service.Exists(item.Id);

            Assert.False(exists);
        }
        
        [Fact]
        public void GetReportThesesTest()
        {
            var mockContext = GetMockContext();
            var service = new Mock<ConferenceService>(mockContext.Object);

            var conference = mockContext.Object.Conferences.First();

            var actual = service.Object.GetReportTheses(conference.Id);
            
            Assert.NotNull(actual);
            
            service.Verify(it => it.GetReportTheses(conference.Id), Times.Once);
        }

        [Fact]
        public void GetParticipatorsTest()
        {
            var mockContext = GetMockContext();
            var service = new Mock<ConferenceService>(mockContext.Object);

            var conference = mockContext.Object.Conferences.First();

            var actual = service.Object.GetParticipators(conference.Id);

            Assert.NotNull(actual);

            service.Verify(it => it.GetParticipators(conference.Id), Times.Once);
        }
    }
}