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using DevHive.Data.Models;
using DevHive.Data.Repositories;
using Microsoft.EntityFrameworkCore;
using NUnit.Framework;
using System;
using System.Linq;
using System.Threading.Tasks;
namespace DevHive.Data.Tests
{
[TestFixture]
public class TechnologyRepositoryTests
{
private const string TECHNOLOGY_NAME = "Technology test name";
protected DevHiveContext Context { get; set; }
protected TechnologyRepository TechnologyRepository { get; set; }
#region Setups
[SetUp]
public void Setup()
{
DbContextOptionsBuilder<DevHiveContext> optionsBuilder = new DbContextOptionsBuilder<DevHiveContext>()
.UseInMemoryDatabase(databaseName: "DevHive_Test_Database");
this.Context = new DevHiveContext(optionsBuilder.Options);
this.TechnologyRepository = new TechnologyRepository(this.Context);
}
[TearDown]
public void TearDown()
{
_ = this.Context.Database.EnsureDeleted();
}
#endregion
#region GetByNameAsync
[Test]
public async Task GetByNameAsync_ReturnsTheCorrectTechnology_IfItExists()
{
await this.AddEntity();
Technology technology = this.Context.Technologies.Where(x => x.Name == TECHNOLOGY_NAME).AsEnumerable().FirstOrDefault();
Technology resultTechnology = await this.TechnologyRepository.GetByNameAsync(TECHNOLOGY_NAME);
Assert.AreEqual(technology.Id, resultTechnology.Id);
}
[Test]
public async Task GetByNameAsync_ReturnsNull_IfTechnologyDoesNotExists()
{
Technology resultTechnology = await this.TechnologyRepository.GetByNameAsync(TECHNOLOGY_NAME);
Assert.IsNull(resultTechnology);
}
#endregion
#region DoesTechnologyExistAsync
[Test]
public async Task DoesTechnologyExist_ReturnsTrue_IfIdExists()
{
await this.AddEntity();
Technology technology = this.Context.Technologies.Where(x => x.Name == TECHNOLOGY_NAME).AsEnumerable().FirstOrDefault();
Guid id = technology.Id;
bool result = await this.TechnologyRepository.DoesTechnologyExistAsync(id);
Assert.IsTrue(result, "DoesTechnologyExistAsync returns flase hwen technology exists");
}
[Test]
public async Task DoesTechnologyExist_ReturnsFalse_IfIdDoesNotExists()
{
Guid id = Guid.NewGuid();
bool result = await this.TechnologyRepository.DoesTechnologyExistAsync(id);
Assert.IsFalse(result, "DoesTechnologyExistAsync returns true when technology does not exist");
}
#endregion
#region DoesTechnologyNameExistAsync
[Test]
public async Task DoesTechnologyNameExist_ReturnsTrue_IfTechnologyExists()
{
await this.AddEntity();
bool result = await this.TechnologyRepository.DoesTechnologyNameExistAsync(TECHNOLOGY_NAME);
Assert.IsTrue(result, "DoesTechnologyNameExists returns true when technology name does not exist");
}
[Test]
public async Task DoesTechnologyNameExist_ReturnsFalse_IfTechnologyDoesNotExists()
{
bool result = await this.TechnologyRepository.DoesTechnologyNameExistAsync(TECHNOLOGY_NAME);
Assert.False(result, "DoesTechnologyNameExistAsync returns true when technology name does not exist");
}
#endregion
#region HelperMethods
private async Task AddEntity(string name = TECHNOLOGY_NAME)
{
Technology technology = new()
{
Name = name
};
_ = this.Context.Technologies.Add(technology);
_ = await this.Context.SaveChangesAsync();
}
#endregion
}
}
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