public async Task GetByUserIdAsync_WithExistentUserId_ShouldReturnCorrectResult()
{
var errorMessagePrefix = "UserAllergenService GetByUserIdAsync() method does not work properly.";
// Arrange
MapperInitializer.InitializeMapper();
var context = ApplicationDbContextInMemoryFactory.InitializeContext();
var userAllergenRepository = new EfRepository <UserAllergen>(context);
var userAllergenService = new UserAllergenService(userAllergenRepository);
await this.SeedDataAsync(context);
var userId = context.Users.First(x => x.Biography == "User with milk and eggs allergies").Id;
// Act
var actualResult = (await userAllergenService
.GetByUserIdAsync(userId))
.ToList();
var expectedResult = await context.UserAllergens
.Where(x => x.UserId == userId)
.To <UserAllergenServiceModel>()
.ToListAsync();
// Assert
Assert.True(expectedResult.Count == actualResult.Count, errorMessagePrefix + " " + "Collections count mismatch.");
for (int i = 0; i < actualResult.Count; i++)
{
Assert.True(expectedResult[i].UserId == actualResult[i].UserId, errorMessagePrefix + " " + "UserId is not returned properly.");
Assert.True(expectedResult[i].User.Biography == actualResult[i].User.Biography, errorMessagePrefix + " " + "User Biography is not returned properly.");
Assert.True(expectedResult[i].AllergenId == actualResult[i].AllergenId, errorMessagePrefix + " " + "AllergenId is not returned properly.");
Assert.True(expectedResult[i].Allergen.Name == actualResult[i].Allergen.Name, errorMessagePrefix + " " + "Allergen Name is not returned properly.");
}
}
public async Task GetByUserIdAsync_WithNonExistentUserId_ShouldReturnEmptyCollection()
{
var errorMessagePrefix = "UserAllergenService GetByUserIdAsync() method does not work properly.";
// Arrange
MapperInitializer.InitializeMapper();
var context = ApplicationDbContextInMemoryFactory.InitializeContext();
var userAllergenRepository = new EfRepository <UserAllergen>(context);
var userAllergenService = new UserAllergenService(userAllergenRepository);
await this.SeedDataAsync(context);
var nonExistentUserId = Guid.NewGuid().ToString();
// Act
var actualResult = (await userAllergenService.GetByUserIdAsync(nonExistentUserId)).Count;
var expectedResult = 0;
// Assert
Assert.True(expectedResult == actualResult, errorMessagePrefix + " " + "Collections is not empty.");
}