Adding Language layer unit test(Note: Data is to be refactored no data layer tests are added)

1 files changed, 133 insertions, 9 deletions

diff --git a/src/DevHive.Tests/DevHive.Services.Tests/LanguageService.Tests.cs b/src/DevHive.Tests/DevHive.Services.Tests/LanguageService.Tests.cs
index 6366cc6..67f1284 100644
--- a/src/DevHive.Tests/DevHive.Services.Tests/LanguageService.Tests.cs
+++ b/src/DevHive.Tests/DevHive.Services.Tests/LanguageService.Tests.cs
@@ -27,15 +27,15 @@ namespace DevHive.Services.Tests
 
 		#region Create
 		[Test]
-		public async Task Create_ReturnsNonEmptyGuid_WhenEntityIsAddedSuccessfully()
+		public async Task CreateLanguage_ReturnsNonEmptyGuid_WhenEntityIsAddedSuccessfully()
 		{
 			string technologyName = "Gosho Trapov";
 			Guid id = Guid.NewGuid();
-			CreateLanguageServiceModel createLanguageServiceModel = new()
+			CreateLanguageServiceModel createLanguageServiceModel = new CreateLanguageServiceModel
 			{
 				Name = technologyName
 			};
-			Language language = new()
+			Language language = new Language
 			{
 				Name = technologyName,
 				Id = id
@@ -52,15 +52,15 @@ namespace DevHive.Services.Tests
 		}
 
 		[Test]
-		public async Task Create_ReturnsEmptyGuid_WhenEntityIsNotAddedSuccessfully()
+		public async Task CreateLanguage_ReturnsEmptyGuid_WhenEntityIsNotAddedSuccessfully()
 		{
 			string languageName = "Gosho Trapov";
 
-			CreateLanguageServiceModel createLanguageServiceModel = new()
+			CreateLanguageServiceModel createLanguageServiceModel = new CreateLanguageServiceModel
 			{
 				Name = languageName
 			};
-			Language language = new()
+			Language language = new Language
 			{
 				Name = languageName
 			};
@@ -76,16 +76,16 @@ namespace DevHive.Services.Tests
 		}
 
 		[Test]
-		public void Create_ThrowsArgumentException_WhenEntityAlreadyExists()
+		public void CreateLanguage_ThrowsArgumentException_WhenEntityAlreadyExists()
 		{
 			string exceptionMessage = "Language already exists!";
 			string languageName = "Gosho Trapov";
 
-			CreateLanguageServiceModel createLanguageServiceModel = new()
+			CreateLanguageServiceModel createLanguageServiceModel = new CreateLanguageServiceModel
 			{
 				Name = languageName
 			};
-			Language language = new()
+			Language language = new Language
 			{
 				Name = languageName
 			};
@@ -98,7 +98,131 @@ namespace DevHive.Services.Tests
 		}
 		#endregion
 
+		#region Read
+		[Test]
+		public async Task GetLanguageById_ReturnsTheLanguage_WhenItExists()
+		{
+			Guid id = new Guid();
+			string name = "Gosho Trapov";
+			Language language = new Language()
+			{
+				Name = name
+			};
+			ReadLanguageServiceModel readLanguageServiceModel = new ReadLanguageServiceModel
+			{
+				Name = name
+			};
+
+			this.LanguageRepositoryMock.Setup(p => p.GetByIdAsync(It.IsAny<Guid>())).Returns(Task.FromResult(language));
+			this.MapperMock.Setup(p => p.Map<ReadLanguageServiceModel>(It.IsAny<Language>())).Returns(readLanguageServiceModel);
+
+			ReadLanguageServiceModel result = await this.LanguageService.GetLanguageById(id);
+
+			Assert.AreEqual(name, result.Name);
+		}
+
+		[Test]
+		public void GetLanguageById_ThrowsException_WhenLanguageDoesNotExist()
+		{
+			string exceptionMessage = "The language does not exist";
+			Guid id = new Guid();
+			this.LanguageRepositoryMock.Setup(p => p.GetByIdAsync(It.IsAny<Guid>())).Returns(Task.FromResult<Language>(null));
+
+			Exception ex = Assert.ThrowsAsync<ArgumentException>(() => this.LanguageService.GetLanguageById(id));
+
+			Assert.AreEqual(exceptionMessage, ex.Message, "Incorecct exception message");
+		}
+		#endregion
 
+		#region Update
+		[Test]
+		[TestCase(true)]
+		[TestCase(false)]
+		public async Task UpdateLanguage_ReturnsIfUpdateIsSuccessfull_WhenLanguageExistsy(bool shouldPass)
+		{
+			string name = "Gosho Trapov";
+			Language language = new Language
+			{
+				Name = name
+			};
+			UpdateLanguageServiceModel updateLanguageServiceModel = new UpdateLanguageServiceModel
+			{
+				Name = name,
+			};
+
+			this.LanguageRepositoryMock.Setup(p => p.DoesLanguageExistAsync(It.IsAny<Guid>())).Returns(Task.FromResult(true));
+			this.LanguageRepositoryMock.Setup(p => p.DoesLanguageNameExistAsync(It.IsAny<string>())).Returns(Task.FromResult(false));
+			this.LanguageRepositoryMock.Setup(p => p.EditAsync(It.IsAny<Language>())).Returns(Task.FromResult(shouldPass));
+			this.MapperMock.Setup(p => p.Map<Language>(It.IsAny<UpdateLanguageServiceModel>())).Returns(language);
+
+			bool result = await this.LanguageService.UpdateLanguage(updateLanguageServiceModel);
+
+			Assert.AreEqual(shouldPass, result);
+		}
+
+		[Test]
+		public void UpdateLanguage_ReturnsIfUpdateIsSuccessfull_WhenLanguageExistsy()
+		{
+			string exceptionMessage = "Language does not exist!";
+			UpdateLanguageServiceModel updateTechnologyServiceModel = new UpdateLanguageServiceModel
+			{
+			};
+
+			this.LanguageRepositoryMock.Setup(p => p.DoesLanguageExistAsync(It.IsAny<Guid>())).Returns(Task.FromResult(false));
+
+			Exception ex = Assert.ThrowsAsync<ArgumentException>(() => this.LanguageService.UpdateLanguage(updateTechnologyServiceModel));
+
+			Assert.AreEqual(exceptionMessage, ex.Message, "Incorecct exception message");
+		}
+
+		[Test]
+		public void UpdateLanguage_ThrowsException_WhenLanguageNameAlreadyExists()
+		{
+			string exceptionMessage = "Language name already exists in our data base!";
+			UpdateLanguageServiceModel updateTechnologyServiceModel = new UpdateLanguageServiceModel
+			{
+			};
+
+			this.LanguageRepositoryMock.Setup(p => p.DoesLanguageExistAsync(It.IsAny<Guid>())).Returns(Task.FromResult(true));
+			this.LanguageRepositoryMock.Setup(p => p.DoesLanguageNameExistAsync(It.IsAny<string>())).Returns(Task.FromResult(true));
+
+			Exception ex = Assert.ThrowsAsync<ArgumentException>(() => this.LanguageService.UpdateLanguage(updateTechnologyServiceModel));
+
+			Assert.AreEqual(exceptionMessage, ex.Message, "Incorecct exception message");
+		}
+		#endregion
+
+		#region Delete
+		[Test]
+		[TestCase(true)]
+		[TestCase(false)]
+		public async Task DeleteLanguage_ShouldReturnIfDeletionIsSuccessfull_WhenLanguageExists(bool shouldPass)
+		{
+			Guid id = new Guid();
+			Language language = new Language();
+
+			this.LanguageRepositoryMock.Setup(p => p.DoesLanguageExistAsync(It.IsAny<Guid>())).Returns(Task.FromResult(true));
+			this.LanguageRepositoryMock.Setup(p => p.GetByIdAsync(It.IsAny<Guid>())).Returns(Task.FromResult(language));
+			this.LanguageRepositoryMock.Setup(p => p.DeleteAsync(It.IsAny<Language>())).Returns(Task.FromResult(shouldPass));
+
+			bool result = await this.LanguageService.DeleteLanguage(id);
+
+			Assert.AreEqual(shouldPass, result);
+		}
+
+		[Test]
+		public void DeleteLanguage_ThrowsException_WhenLanguageDoesNotExist()
+		{
+			string exceptionMessage = "Language does not exist!";
+			Guid id = new Guid();
+
+			this.LanguageRepositoryMock.Setup(p => p.DoesLanguageExistAsync(It.IsAny<Guid>())).Returns(Task.FromResult(false));
+
+			Exception ex = Assert.ThrowsAsync<ArgumentException>(() => this.LanguageService.DeleteLanguage(id));
+
+			Assert.AreEqual(exceptionMessage, ex.Message, "Incorecct exception message");
+		}
+		#endregion
 		//Task.Run(async () =>
 		//{