Merge pull request #28 from Team-Kaleidoscope/devHEADv0.2mainheroku/main

Second stage: Complete

1 files changed, 168 insertions, 0 deletions

diff --git a/src/Data/DevHive.Data.Tests/CommentRepository.Tests.cs b/src/Data/DevHive.Data.Tests/CommentRepository.Tests.cs
new file mode 100644
index 0000000..004d418
--- /dev/null
+++ b/src/Data/DevHive.Data.Tests/CommentRepository.Tests.cs
@@ -0,0 +1,168 @@
+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 CommentRepositoryTests
+	{
+		private const string COMMENT_MESSAGE = "Comment message";
+		private DevHiveContext _context;
+		private CommentRepository _commentRepository;
+
+		#region SetUp
+		[SetUp]
+		public void Setup()
+		{
+			DbContextOptionsBuilder<DevHiveContext> optionsBuilder = new DbContextOptionsBuilder<DevHiveContext>()
+				.UseInMemoryDatabase(databaseName: "DevHive_Test_Database");
+
+			this._context = new DevHiveContext(optionsBuilder.Options);
+
+			this._commentRepository = new CommentRepository(this._context);
+		}
+
+		[TearDown]
+		public void TearDown()
+		{
+			this._context.Database.EnsureDeleted();
+		}
+		#endregion
+
+		#region GetByIdAsync
+		[Test]
+		public async Task GetByIdAsync_ReturnsTheCorrectComment_IfItExists()
+		{
+			Comment comment = await this.AddEntity();
+
+			Comment resultComment = await this._commentRepository.GetByIdAsync(comment.Id);
+
+			Assert.AreEqual(comment.Id, resultComment.Id, "GetByIdAsync does not return the correct comment when it exists.");
+		}
+
+		[Test]
+		public async Task GetByIdAsync_ReturnsNull_IfCommentDoesNotExist()
+		{
+			Comment resultComment = await this._commentRepository.GetByIdAsync(Guid.Empty);
+
+			Assert.IsNull(resultComment, "GetByIdAsync does not return null when the comment does not exist");
+		}
+		#endregion
+
+		#region GetPostComments
+		[Test]
+		public async Task GetPostComments_ReturnsAllCommentsForPost_IfAnyExist()
+		{
+			List<Comment> comments = new List<Comment>
+			{
+				new Comment(),
+				new Comment(),
+				new Comment()
+			};
+			Post post = new Post
+			{
+				Id = Guid.NewGuid(),
+				Comments = comments
+			};
+
+			this._context.Posts.Add(post);
+			await this._context.SaveChangesAsync();
+
+			List<Comment> resultComments = await this._commentRepository.GetPostComments(post.Id);
+
+			Assert.AreEqual(comments.Count, resultComments.Count, "GetPostComments does not return the comments for a given post correctly");
+		}
+
+		[Test]
+		public async Task GetPostComments_ReturnsEmptyList_WhenPostDoesNotExist()
+		{
+			List<Comment> resultComments = await this._commentRepository.GetPostComments(Guid.Empty);
+
+			Assert.IsEmpty(resultComments, "GetPostComments does not return empty string when post does not exist");
+		}
+		#endregion
+
+		#region GetCommentByIssuerAndTimeCreatedAsync
+		[Test]
+		public async Task GetCommentByCreatorAndTimeCreatedAsync_ReturnsTheCorrectComment_IfItExists()
+		{
+			Comment comment = await this.AddEntity();
+
+			Comment resultComment = await this._commentRepository.GetCommentByIssuerAndTimeCreatedAsync(comment.Creator.Id, 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 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 EditAsync
+		[Test]
+		public async Task EditAsync_ReturnsTrue_WhenCommentIsUpdatedSuccessfully()
+		{
+			string newMessage = "New message!";
+			Comment comment = await this.AddEntity();
+			Comment updatedComment = new Comment
+			{
+				Id = comment.Id,
+				Message = newMessage
+			};
+
+			bool result = await this._commentRepository.EditAsync(comment.Id, updatedComment);
+
+			Assert.IsTrue(result, "EditAsync does not return true when comment is updated successfully");
+		}
+		#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()
+		{
+			User creator = new() { Id = Guid.NewGuid() };
+			Comment comment = new()
+			{
+				Id = Guid.NewGuid(),
+				Message = COMMENT_MESSAGE,
+				Creator = creator,
+				TimeCreated = DateTime.Now
+			};
+
+			this._context.Comments.Add(comment);
+			await this._context.SaveChangesAsync();
+
+			return comment;
+		}
+		#endregion
+	}
+}