public async Task GetAsync_WithNonExistentId_ReturnsNull()
{
// Arrange
var testId = Guid.NewGuid().ToString();
var context = new PoolItDbContext(new DbContextOptionsBuilder <PoolItDbContext>()
.UseInMemoryDatabase(Guid.NewGuid().ToString())
.Options);
context.CarManufacturers.AddRange(
new CarManufacturer
{
Name = "OtherManufacturer1"
},
new CarManufacturer
{
Name = "OtherManufacturer2"
});
context.SaveChanges();
var manufacturersService = new ManufacturersService(new EfRepository <CarManufacturer>(context));
// Act
var result = await manufacturersService.GetAsync(testId);
// Assert
Assert.Null(result);
}
public async Task GetAsync_WithCorrectId_WorksCorrectly()
{
// Arrange
const string testName = "TestName";
var manufacturer = new CarManufacturer
{
Name = testName
};
var context = new PoolItDbContext(new DbContextOptionsBuilder <PoolItDbContext>()
.UseInMemoryDatabase(Guid.NewGuid().ToString())
.Options);
context.CarManufacturers.AddRange(
manufacturer,
new CarManufacturer
{
Name = "OtherManufacturer1"
},
new CarManufacturer
{
Name = "OtherManufacturer2"
});
context.SaveChanges();
var manufacturersService = new ManufacturersService(new EfRepository <CarManufacturer>(context));
// Act
var actualResult = (await manufacturersService.GetAsync(manufacturer.Id)).Name;
// Assert
Assert.Equal(testName, actualResult);
}