public async Task DeleteAsync_WithNonExistentId_ReturnsFalse()
{
// Arrange
var testId = Guid.NewGuid().ToString();
var context = new PoolItDbContext(new DbContextOptionsBuilder <PoolItDbContext>()
.UseInMemoryDatabase(Guid.NewGuid().ToString())
.Options);
context.CarModels.AddRange(
new CarModel
{
Model = "OtherModel1"
},
new CarModel
{
Model = "OtherModel2"
});
context.SaveChanges();
var modelsService = new ModelsService(new EfRepository <CarModel>(context));
// Act
var result = await modelsService.DeleteAsync(testId);
// Assert
Assert.False(result);
var dbCount = await context.CarModels.CountAsync();
Assert.Equal(2, dbCount);
}
public async Task DeleteAsync_WithCorrectId_WorksCorrectly()
{
// Arrange
const string testName = "TestName";
var model = new CarModel
{
Model = testName
};
var context = new PoolItDbContext(new DbContextOptionsBuilder <PoolItDbContext>()
.UseInMemoryDatabase(Guid.NewGuid().ToString())
.Options);
context.CarModels.AddRange(
model,
new CarModel
{
Model = "OtherModel1"
},
new CarModel
{
Model = "OtherModel2"
});
context.SaveChanges();
var modelsService = new ModelsService(new EfRepository <CarModel>(context));
// Act
var result = await modelsService.DeleteAsync(model.Id);
// Assert
Assert.True(result);
var existsInDb = await context.CarModels.AnyAsync(m => m.Model == testName);
Assert.False(existsInDb);
var dbCount = await context.CarModels.CountAsync();
Assert.Equal(2, dbCount);
}
public async Task DeleteAsync_WithCars_DoesNotDelete()
{
// Arrange
const string testName = "TestName";
var model = new CarModel
{
Model = testName,
Cars = new List <Car>
{
new Car
{
Colour = "Green"
}
}
};
var context = new PoolItDbContext(new DbContextOptionsBuilder <PoolItDbContext>()
.UseInMemoryDatabase(Guid.NewGuid().ToString())
.Options);
context.CarModels.Add(model);
context.SaveChanges();
var modelsService = new ModelsService(new EfRepository <CarModel>(context));
// Act
var result = await modelsService.DeleteAsync(model.Id);
// Assert
Assert.False(result);
var existsInDb = await context.CarModels.AnyAsync(m => m.Model == testName);
Assert.True(existsInDb);
var dbCount = await context.CarModels.CountAsync();
Assert.Equal(1, dbCount);
}
public async Task DeleteAsyncShouldDeleteModel()
{
var options = new DbContextOptionsBuilder <NeedForCarsDbContext>()
.UseInMemoryDatabase("DeleteModelDb")
.Options;
var context = new NeedForCarsDbContext(options);
var makesService = new MakesService(context);
var modelsService = new ModelsService(context, makesService);
var make = new Make
{
Name = "Make",
Description = "Desc"
};
await context.Makes.AddAsync(make);
await context.SaveChangesAsync();
var model = new Model
{
MakeId = make.Id,
Name = "Model"
};
await context.Models.AddAsync(model);
await context.SaveChangesAsync();
await modelsService.DeleteAsync(model);
await context.SaveChangesAsync();
var result = await context.Models.CountAsync();
Assert.Equal(0, result);
}
