Adding FeedRepository tests

1 files changed, 118 insertions, 0 deletions

diff --git a/src/DevHive.Tests/DevHive.Data.Tests/FeedRepository.Tests.cs b/src/DevHive.Tests/DevHive.Data.Tests/FeedRepository.Tests.cs
new file mode 100644
index 0000000..e38b31c
--- /dev/null
+++ b/src/DevHive.Tests/DevHive.Data.Tests/FeedRepository.Tests.cs
@@ -0,0 +1,118 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using DevHive.Data.Models;
+using DevHive.Data.Repositories;
+using Microsoft.EntityFrameworkCore;
+using NUnit.Framework;
+
+namespace DevHive.Data.Tests
+{
+	[TestFixture]
+	public class FeedRepositoryTests
+	{
+		protected DevHiveContext Context { get; set; }
+
+		protected FeedRepository FeedRepository { get; set; }
+
+		#region Setups
+		[SetUp]
+		public void Setup()
+		{
+			var optionsBuilder = new DbContextOptionsBuilder<DevHiveContext>()
+				.UseInMemoryDatabase(databaseName: "DevHive_Test_Database");
+
+			this.Context = new DevHiveContext(optionsBuilder.Options);
+
+			FeedRepository = new FeedRepository(Context);
+		}
+
+		[TearDown]
+		public void TearDown()
+		{
+			this.Context.Database.EnsureDeleted();
+		}
+		#endregion
+
+		#region GetFriendsPosts
+		[Test]
+		public async Task GetFriendsPosts_ReturnsListOfPosts_WhenTheyExist()
+		{
+			User dummyUser = this.CreateDummyUser();
+			List<User> friendsList = new List<User>();
+			friendsList.Add(dummyUser);
+
+			DateTime dateTime = new DateTime(3000, 05, 09, 9, 15, 0);
+
+			Post dummyPost = this.CreateDummyPost(dummyUser.Id);
+			Post anotherDummnyPost = this.CreateDummyPost(dummyUser.Id);
+
+			const int PAGE_NUMBER = 1;
+			const int PAGE_SIZE = 10;
+
+			List<Post> resultList = await this.FeedRepository.GetFriendsPosts(friendsList, dateTime, PAGE_NUMBER, PAGE_SIZE);
+
+			Assert.GreaterOrEqual(2, resultList.Count, "GetFriendsPosts does not return all correct posts");
+		}
+
+		[Test]
+		public async Task GetFriendsPosts_ReturnsNull_WhenNoSuitablePostsExist()
+		{
+			User dummyUser = this.CreateDummyUser();
+			List<User> friendsList = new List<User>();
+			friendsList.Add(dummyUser);
+
+			DateTime dateTime = new DateTime(3000, 05, 09, 9, 15, 0);
+
+			const int PAGE_NUMBER = 1;
+			const int PAGE_SIZE = 10;
+
+			List<Post> resultList = await this.FeedRepository.GetFriendsPosts(friendsList, dateTime, PAGE_NUMBER, PAGE_SIZE);
+
+			Assert.LessOrEqual(0, resultList.Count, "GetFriendsPosts does not return all correct posts");
+		}
+		#endregion
+
+		#region HelperMethods
+		private User CreateDummyUser()
+		{
+			HashSet<Role> roles = new()
+			{
+				new Role()
+				{
+					Id = Guid.NewGuid(),
+					Name = Role.DefaultRole
+				},
+			};
+
+			return new()
+			{
+				Id = Guid.NewGuid(),
+				UserName = "pioneer10",
+				FirstName = "Spas",
+				LastName = "Spasov",
+				Email = "abv@abv.bg",
+				Roles = roles
+			};
+		}
+
+		private Post CreateDummyPost(Guid posterId)
+		{
+			const string POST_MESSAGE = "random message";
+			Guid id = Guid.NewGuid();
+
+			Post post = new Post
+			{
+				Id = id,
+				Message = POST_MESSAGE,
+				CreatorId = posterId
+			};
+
+			this.Context.Posts.Add(post);
+			this.Context.SaveChanges();
+
+			return post;
+		}
+		#endregion
+	}
+}