public async Task GetIdByTypeAsync_WithExistentType_ShouldReturnCorrectResult()
{
var errorMessagePrefix = "LifestyleService GetIdByTypeAsync() method does not work properly.";
// Arrange
MapperInitializer.InitializeMapper();
var context = ApplicationDbContextInMemoryFactory.InitializeContext();
await this.SeedDataAsync(context);
var lifestyleRepository = new EfRepository <Lifestyle>(context);
var lifestyleService = new LifestyleService(lifestyleRepository);
var existentType = "Vegetarian";
// Act
var actualResult = await lifestyleService.GetIdByTypeAsync(existentType);
var expectedResult = (await lifestyleRepository
.All()
.SingleOrDefaultAsync(x => x.Type == existentType))
.Id;
// Assert
Assert.True(actualResult == expectedResult, errorMessagePrefix + " " + "Id is not returned properly.");
}
public async Task GetIdByTypeAsync_WithNonExistentType_ShouldThrowArgumentNullException()
{
// Arrange
MapperInitializer.InitializeMapper();
var context = ApplicationDbContextInMemoryFactory.InitializeContext();
var lifestyleRepository = new EfRepository <Lifestyle>(context);
var lifestyleService = new LifestyleService(lifestyleRepository);
var nonExistentType = "NonExistent";
// Act
// Assert
await Assert.ThrowsAsync <ArgumentNullException>(async() =>
{
await lifestyleService.GetIdByTypeAsync(nonExistentType);
});
}