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using System;
using System.Threading.Tasks;
using AutoMapper;
using DevHive.Data.Interfaces.Repositories;
using DevHive.Data.Models;
using DevHive.Services.Models.Language;
using DevHive.Services.Services;
using Moq;
using NUnit.Framework;
namespace DevHive.Services.Tests
{
[TestFixture]
public class LanguageServiceTests
{
private Mock<ILanguageRepository> LanguageRepositoryMock { get; set; }
private Mock<IMapper> MapperMock { get; set; }
private LanguageService LanguageService { get; set; }
[SetUp]
public void SetUp()
{
this.LanguageRepositoryMock = new Mock<ILanguageRepository>();
this.MapperMock = new Mock<IMapper>();
this.LanguageService = new LanguageService(this.LanguageRepositoryMock.Object, this.MapperMock.Object);
}
#region Create
[Test]
public async Task CreateLanguage_ReturnsNonEmptyGuid_WhenEntityIsAddedSuccessfully()
{
string technologyName = "Gosho Trapov";
Guid id = Guid.NewGuid();
CreateLanguageServiceModel createLanguageServiceModel = new CreateLanguageServiceModel
{
Name = technologyName
};
Language language = new Language
{
Name = technologyName,
Id = id
};
this.LanguageRepositoryMock.Setup(p => p.DoesLanguageNameExistAsync(It.IsAny<string>())).Returns(Task.FromResult(false));
this.LanguageRepositoryMock.Setup(p => p.AddAsync(It.IsAny<Language>())).Returns(Task.FromResult(true));
this.LanguageRepositoryMock.Setup(p => p.GetByNameAsync(It.IsAny<string>())).Returns(Task.FromResult(language));
this.MapperMock.Setup(p => p.Map<Language>(It.IsAny<CreateLanguageServiceModel>())).Returns(language);
Guid result = await this.LanguageService.CreateLanguage(createLanguageServiceModel);
Assert.AreEqual(id, result);
}
[Test]
public async Task CreateLanguage_ReturnsEmptyGuid_WhenEntityIsNotAddedSuccessfully()
{
string languageName = "Gosho Trapov";
CreateLanguageServiceModel createLanguageServiceModel = new CreateLanguageServiceModel
{
Name = languageName
};
Language language = new Language
{
Name = languageName
};
this.LanguageRepositoryMock.Setup(p => p.DoesLanguageNameExistAsync(It.IsAny<string>())).Returns(Task.FromResult(false));
this.LanguageRepositoryMock.Setup(p => p.AddAsync(It.IsAny<Language>())).Returns(Task.FromResult(false));
this.MapperMock.Setup(p => p.Map<Language>(It.IsAny<CreateLanguageServiceModel>())).Returns(language);
Guid result = await this.LanguageService.CreateLanguage(createLanguageServiceModel);
Assert.IsTrue(result == Guid.Empty);
}
[Test]
public void CreateLanguage_ThrowsArgumentException_WhenEntityAlreadyExists()
{
string exceptionMessage = "Language already exists!";
string languageName = "Gosho Trapov";
CreateLanguageServiceModel createLanguageServiceModel = new CreateLanguageServiceModel
{
Name = languageName
};
Language language = new Language
{
Name = languageName
};
this.LanguageRepositoryMock.Setup(p => p.DoesLanguageNameExistAsync(It.IsAny<string>())).Returns(Task.FromResult(true));
Exception ex = Assert.ThrowsAsync<ArgumentException>(() => this.LanguageService.CreateLanguage(createLanguageServiceModel));
Assert.AreEqual(exceptionMessage, ex.Message, "Incorecct exception message");
}
#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";
Guid id = Guid.NewGuid();
Language language = new Language
{
Name = name,
Id = id
};
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<Guid>(), 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_ThrowsArgumentException_WhenLanguageDoesNotExist()
{
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 () =>
//{
//}).GetAwaiter().GetResult();
}
}
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