public async Task GetByIdAsync_WithNonExistentId_ShouldReturnNull()
{
var context = BookStoreDbContextInMemoryFactory.InitializeContext();
await SeedData(context);
this.categoryService = new CategoryService(context);
CategoryListingServiceModel actualData = await this.categoryService.GetByIdAsync(-1);
Assert.True(actualData == null);
}
public async Task GetByIdAsync_WithExistentId_ShouldReturnCorrectResult()
{
var context = BookStoreDbContextInMemoryFactory.InitializeContext();
await SeedData(context);
this.categoryService = new CategoryService(context);
CategoryListingServiceModel expectedData = context.Categories.First().To <CategoryListingServiceModel>();
CategoryListingServiceModel actualData = await this.categoryService.GetByIdAsync(expectedData.Id);
Assert.True(expectedData.Id == actualData.Id, "Id is not returned properly.");
Assert.True(expectedData.Name == actualData.Name, "Name is not returned properly.");
}