public async Task <IHttpActionResult> Get(int id)
{
ManufacturerService manufacturerService = CreateManufacturerService();
var manufacturer = await manufacturerService.GetManufacturerById(id);
return(Ok(manufacturer));
}
public void GetManufacturerById_NoManufacturerFound_ExpectNullReferenceException(int id)
{
manufacturers = new List <Manufacturer>()
{
new Manufacturer {
ManufacturerId = 2, Name = "Toyota"
},
new Manufacturer {
ManufacturerId = 3, Name = "Peugeot"
},
new Manufacturer {
ManufacturerId = 4, Name = "Ford"
},
};
IManufacturerService service = new ManufacturerService(repoMock.Object, null);
Manufacturer manufacturer = null;
var ex = Assert.Throws <NullReferenceException>(() =>
{
manufacturer = service.GetManufacturerById(id);
});
Assert.Equal("Manufacturer with this ID not found", ex.Message);
Assert.Null(manufacturer);
repoMock.Verify(repo => repo.ReadManufacturerById(It.IsAny <int>()), Times.Once);
}
public void GetManufacturerById(int id, string name)
{
manufacturers = new List <Manufacturer>()
{
new Manufacturer {
ManufacturerId = 1, Name = "Toyota"
},
new Manufacturer {
ManufacturerId = 2, Name = "Peugeot"
},
new Manufacturer {
ManufacturerId = 3, Name = "Ford"
},
};
IManufacturerService service = new ManufacturerService(repoMock.Object, null);
Manufacturer manufacturer = service.GetManufacturerById(id);
Assert.Equal(manufacturer.ManufacturerId, id);
Assert.Equal(manufacturer.Name, name);
repoMock.Verify(repo => repo.ReadManufacturerById(It.IsAny <int>()), Times.Once);
}
public void GetManufacturerById_IdIsNotPositive_ExpectArgumentException(int id)
{
manufacturers = new List <Manufacturer>()
{
new Manufacturer {
ManufacturerId = 1, Name = "Toyota"
}
};
IManufacturerService service = new ManufacturerService(repoMock.Object, null);
Manufacturer manufacturer = null;
var ex = Assert.Throws <ArgumentException>(() =>
{
manufacturer = service.GetManufacturerById(id);
});
Assert.Equal("ID of the manufacturer to find must be a positive integer", ex.Message);
Assert.Null(manufacturer);
repoMock.Verify(repo => repo.ReadManufacturerById(It.IsAny <int>()), Times.Never);
}