public async Task GetByIdAsync_WithExistentId_ShouldReturnCorrectResult()
{
var errorMessagePrefix = "NutritionalValueService GetByIdAsync() method does not work properly.";
// Arrange
MapperInitializer.InitializeMapper();
var context = ApplicationDbContextInMemoryFactory.InitializeContext();
await this.SeedDataAsync(context);
var nutritionalValueRepository = new EfDeletableEntityRepository <NutritionalValue>(context);
var nutritionalValueService = new NutritionalValueService(nutritionalValueRepository);
var existentId = nutritionalValueRepository.All().First().Id;
// Act
var actualResult = await nutritionalValueService.GetByIdAsync(existentId);
var expectedResult = (await nutritionalValueRepository
.All()
.SingleOrDefaultAsync(x => x.Id == existentId))
.To <NutritionalValueServiceModel>();
// Assert
Assert.True(actualResult.Id == expectedResult.Id, errorMessagePrefix + " " + "Id is not returned properly.");
Assert.True(actualResult.Calories == expectedResult.Calories, errorMessagePrefix + " " + "Calories are not returned properly.");
Assert.True(actualResult.Fats == expectedResult.Fats, errorMessagePrefix + " " + "Fats are not returned properly.");
Assert.True(actualResult.SaturatedFats == expectedResult.SaturatedFats, errorMessagePrefix + " " + "SaturatedFats are not returned properly.");
Assert.True(actualResult.Carbohydrates == expectedResult.Carbohydrates, errorMessagePrefix + " " + "Carbohydrates are not returned properly.");
Assert.True(actualResult.Sugar == expectedResult.Sugar, errorMessagePrefix + " " + "Sugar is not returned properly.");
Assert.True(actualResult.Protein == expectedResult.Protein, errorMessagePrefix + " " + "Protein is not returned properly.");
Assert.True(actualResult.Fiber == expectedResult.Fiber, errorMessagePrefix + " " + "Fiber is not returned properly.");
Assert.True(actualResult.Salt == expectedResult.Salt, errorMessagePrefix + " " + "Salt is not returned properly.");
Assert.True(actualResult.RecipeId == expectedResult.RecipeId, errorMessagePrefix + " " + "RecipeId is not returned properly.");
}
public async Task GetIdByRecipeIdAsync_WithNonExistentRecipeId_ShouldThrowArgumentNullException()
{
// Arrange
MapperInitializer.InitializeMapper();
var context = ApplicationDbContextInMemoryFactory.InitializeContext();
var nutritionalValueRepository = new EfDeletableEntityRepository <NutritionalValue>(context);
var nutritionalValueService = new NutritionalValueService(nutritionalValueRepository);
var nonExistentId = Guid.NewGuid().ToString();
// Act
// Assert
await Assert.ThrowsAsync <ArgumentNullException>(async() =>
{
await nutritionalValueService.GetIdByRecipeIdAsync(nonExistentId);
});
}
public async Task EditAsync_WithCorrectData_ShouldSuccessfullyEdit()
{
var errorMessagePrefix = "NutritionalValueService EditAsync() method does not work properly.";
// Arrange
MapperInitializer.InitializeMapper();
var context = ApplicationDbContextInMemoryFactory.InitializeContext();
await this.SeedDataAsync(context);
var nutritionalValueRepository = new EfDeletableEntityRepository <NutritionalValue>(context);
var nutritionalValueService = new NutritionalValueService(nutritionalValueRepository);
var nutritionalValueServiceModel = nutritionalValueRepository
.All()
.First()
.To <NutritionalValueServiceModel>();
var nutritionalValueId = nutritionalValueServiceModel.Id;
var newValue = 10;
nutritionalValueServiceModel.Calories = newValue;
nutritionalValueServiceModel.Fats = newValue;
nutritionalValueServiceModel.SaturatedFats = newValue;
nutritionalValueServiceModel.Carbohydrates = newValue;
nutritionalValueServiceModel.Sugar = newValue;
nutritionalValueServiceModel.Protein = newValue;
nutritionalValueServiceModel.Fiber = newValue;
nutritionalValueServiceModel.Salt = newValue;
// Act
await nutritionalValueService.EditAsync(nutritionalValueId, nutritionalValueServiceModel);
var actualResult = nutritionalValueRepository.All().First();
var expectedValue = newValue;
// Assert
Assert.True(actualResult.Calories == expectedValue, errorMessagePrefix + " " + "Calories are not returned properly.");
Assert.True(actualResult.Fats == expectedValue, errorMessagePrefix + " " + "Fats are not returned properly.");
Assert.True(actualResult.SaturatedFats == expectedValue, errorMessagePrefix + " " + "SaturatedFats are not returned properly.");
Assert.True(actualResult.Carbohydrates == expectedValue, errorMessagePrefix + " " + "Carbohydrates are not returned properly.");
Assert.True(actualResult.Sugar == expectedValue, errorMessagePrefix + " " + "Sugar is not returned properly.");
Assert.True(actualResult.Protein == expectedValue, errorMessagePrefix + " " + "Protein is not returned properly.");
Assert.True(actualResult.Fiber == expectedValue, errorMessagePrefix + " " + "Fiber is not returned properly.");
Assert.True(actualResult.Salt == expectedValue, errorMessagePrefix + " " + "Salt is not returned properly.");
}
public async Task DeleteByIdAsync_WithExistentId_ShouldReturnCorrectResult()
{
var errorMessagePrefix = "NutritionalValueService DeleteByIdAsync() method does not work properly.";
// Arrange
MapperInitializer.InitializeMapper();
var context = ApplicationDbContextInMemoryFactory.InitializeContext();
await this.SeedDataAsync(context);
var nutritionalValueRepository = new EfDeletableEntityRepository <NutritionalValue>(context);
var nutritionalValueService = new NutritionalValueService(nutritionalValueRepository);
var existentId = nutritionalValueRepository.All().First().Id;
// Act
var result = await nutritionalValueService.DeleteByIdAsync(existentId);
// Assert
Assert.True(result, errorMessagePrefix + " " + "Returns false.");
}
public async Task GetIdByRecipeIdAsync_WithExistentRecipeId_ShouldReturnCorrectResult()
{
var errorMessagePrefix = "NutritionalValueService GetIdByRecipeIdAsync() method does not work properly.";
// Arrange
MapperInitializer.InitializeMapper();
var context = ApplicationDbContextInMemoryFactory.InitializeContext();
await this.SeedDataAsync(context);
var nutritionalValueRepository = new EfDeletableEntityRepository <NutritionalValue>(context);
var nutritionalValueService = new NutritionalValueService(nutritionalValueRepository);
var recipeId = context.Recipes.First().Id;
// Act
var actualResult = await nutritionalValueService.GetIdByRecipeIdAsync(recipeId);
var expectedResult = nutritionalValueRepository.All().First().Id;
// Assert
Assert.True(expectedResult == actualResult, errorMessagePrefix + " " + "Id is not returned properly.");
}
public async Task DeleteByIdAsync_WithExistentId_ShouldSuccessfullyDelete()
{
var errorMessagePrefix = "NutritionalValueService DeleteByIdAsync() method does not work properly.";
// Arrange
MapperInitializer.InitializeMapper();
var context = ApplicationDbContextInMemoryFactory.InitializeContext();
await this.SeedDataAsync(context);
var nutritionalValueRepository = new EfDeletableEntityRepository <NutritionalValue>(context);
var nutritionalValueService = new NutritionalValueService(nutritionalValueRepository);
var existentId = nutritionalValueRepository.All().First().Id;
// Act
var nutritionalValuesCount = nutritionalValueRepository.All().Count();
await nutritionalValueService.DeleteByIdAsync(existentId);
var actualResult = nutritionalValueRepository.All().Count();
var expectedResult = nutritionalValuesCount - 1;
// Assert
Assert.True(actualResult == expectedResult, errorMessagePrefix + " " + "NutritionalValues count is not reduced.");
}
