test(back-end): Add Statistics controller tests

See also: #119

Kaizen.Test/Controllers/StatisticsControllerTest.cs

@@ -0,0 +1,81 @@
+using System;
+using System.Threading.Tasks;
+using AutoMapper;
+using Kaizen.Controllers;
+using Kaizen.Domain.Entities;
+using Kaizen.Domain.Repositories;
+using Kaizen.Models.Statistics;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.DependencyInjection;
+using Moq;
+using NUnit.Framework;
+
+namespace Kaizen.Test.Controllers
+{
+    [TestFixture]
+    public class StatisticsControllerTest : BaseControllerTest
+    {
+        private StatisticsController _statisticsController;
+        private Mock<IStatisticsRepository> _statisticsRepository;
+
+        [SetUp]
+        public void SetUp()
+        {
+            _statisticsRepository = new Mock<IStatisticsRepository>();
+            _statisticsController =
+                new StatisticsController(_statisticsRepository.Object, ServiceProvider.GetService<IMapper>());
+
+            SetUpStatisticsRepository();
+        }
+
+        private void SetUpStatisticsRepository()
+        {
+            _statisticsRepository.Setup(r => r.GetYearStatistics(DateTime.Now.Year)).ReturnsAsync(new YearStatistics
+            {
+                Id = 1,
+                AppliedActivities = 1,
+                Year = DateTime.Now.Year
+            });
+
+            _statisticsRepository.Setup(r => r.GetMonthStatistics(It.IsAny<DateTime>())).ReturnsAsync(
+                new MonthStatistics
+                {
+                    Id = 1,
+                    AppliedActivities = 1
+                });
+
+            _statisticsRepository.Setup(r => r.GetDayStatistics(It.IsAny<DateTime>())).ReturnsAsync(new DayStatistics
+            {
+                Id = 1,
+                AppliedActivities = 1
+            });
+        }
+
+        [Test]
+        public async Task Get_Current_Year_Statistics()
+        {
+            ActionResult<YearStatisticsViewModel> result = await _statisticsController.CurrentYear();
+
+            Assert.IsNotNull(result);
+            Assert.IsNotNull(result.Value);
+        }
+
+        [Test]
+        public async Task Get_Current_Month_Statistics()
+        {
+            ActionResult<MonthStatisticsViewModel> result = await _statisticsController.CurrentMont();
+
+            Assert.IsNotNull(result);
+            Assert.IsNotNull(result.Value);
+        }
+
+        [Test]
+        public async Task Get_Current_Day_Statistics()
+        {
+            var result = await _statisticsController.CurrentDay();
+
+            Assert.IsNotNull(result);
+            Assert.IsNotNull(result.Value);
+        }
+    }
+}