adding comment repository tests

1 files changed, 98 insertions, 0 deletions

diff --git a/src/DevHive.Tests/DevHive.Data.Tests/CommentRepository.Tests.cs b/src/DevHive.Tests/DevHive.Data.Tests/CommentRepository.Tests.cs
new file mode 100644
index 0000000..2a8bb1f
--- /dev/null
+++ b/src/DevHive.Tests/DevHive.Data.Tests/CommentRepository.Tests.cs
@@ -0,0 +1,98 @@
+using System;
+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 CommentRepositoryTests
+	{
+		private const string COMMENT_MESSAGE = "Comment message";
+
+		protected DevHiveContext Context { get; set; }
+
+		protected CommentRepository CommentRepository { get; set; }
+
+		#region Setups
+		[SetUp]
+		public void Setup()
+		{
+			var optionsBuilder = new DbContextOptionsBuilder<DevHiveContext>()
+				.UseInMemoryDatabase(databaseName: "DevHive_Test_Database");
+
+			this.Context = new DevHiveContext(optionsBuilder.Options);
+
+			CommentRepository = new CommentRepository(Context);
+		}
+
+		[TearDown]
+		public void TearDown()
+		{
+			this.Context.Database.EnsureDeleted();
+		}
+		#endregion
+
+		#region GetCommentByIssuerAndTimeCreatedAsync
+		[Test]
+		public async Task GetCommentByCreatorAndTimeCreatedAsync_ReturnsTheCorrectComment_IfItExists()
+		{
+			Comment comment = await this.AddEntity();
+
+			Comment resultComment = await this.CommentRepository.GetCommentByIssuerAndTimeCreatedAsync(comment.CreatorId, comment.TimeCreated);
+
+			Assert.AreEqual(comment.Id, resultComment.Id, "GetCommentByIssuerAndTimeCreatedAsync does not return the corect comment when it exists");
+		}
+
+		[Test]
+		public async Task GetPostByCreatorAndTimeCreatedAsync_ReturnsNull_IfThePostDoesNotExist()
+		{
+			Comment comment = await this.AddEntity();
+
+			Comment resultComment = await this.CommentRepository.GetCommentByIssuerAndTimeCreatedAsync(Guid.Empty, DateTime.Now);
+
+			Assert.IsNull(resultComment, "GetCommentByIssuerAndTimeCreatedAsync does not return null when the comment does not exist");
+		}
+		#endregion
+
+		#region DoesCommentExist
+		[Test]
+		public async Task DoesCommentExist_ReturnsTrue_WhenTheCommentExists()
+		{
+			Comment comment = await this.AddEntity();
+
+			bool result = await this.CommentRepository.DoesCommentExist(comment.Id);
+
+			Assert.IsTrue(result, "DoesCommentExist does not return true whenm the Comment exists");
+		}
+
+		[Test]
+		public async Task DoesCommentExist_ReturnsFalse_WhenTheCommentDoesNotExist()
+		{
+			bool result = await this.CommentRepository.DoesCommentExist(Guid.Empty);
+
+			Assert.IsFalse(result, "DoesCommentExist does not return false whenm the Comment" +
+				" does not exist");
+		}
+		#endregion
+
+		#region HelperMethods
+		private async Task<Comment> AddEntity(string name = COMMENT_MESSAGE)
+		{
+			Comment comment = new Comment
+			{
+				Message = COMMENT_MESSAGE,
+				CreatorId = Guid.NewGuid(),
+				TimeCreated = DateTime.Now
+			};
+
+			this.Context.Comments.Add(comment);
+			await this.Context.SaveChangesAsync();
+
+			return comment;
+		}
+		#endregion
+	}
+}