public async Task GetAllAsync_ReturnsProductList_GivenDataFoundInDb()
{
// Arrange
var fixture = new ProductServiceFixture();
var productId = Guid.NewGuid();
var expectedProductList =
new List <Product>
{
new ProductBuilder()
.WithDefaultValues()
.WithId(productId)
.Build()
};
fixture.MockProductRepository.Setup(x => x.GetAllAsync()).ReturnsAsync(expectedProductList);
// Act
var result = await fixture.Sut().GetAllAsync();
// Assert
result.Should().NotBeNull();
result.Should().BeEquivalentTo(expectedProductList);
fixture.MockProductRepository.Verify(x => x.GetAllAsync(), Times.Once());
fixture.MockProductRepository.VerifyNoOtherCalls();
}
public async Task GetAllAsync_ThrowsEntityNotFoundException_GivenNoDataAvailableInDb()
{
// Arrange
var fixture = new ProductServiceFixture();
fixture.MockProductRepository.Setup(x => x.GetAllAsync()).ReturnsAsync(new List <Product>());
// Act
// Assert
var exception =
await Assert.ThrowsAsync <EntityNotFoundException>(async() => await fixture.Sut().GetAllAsync());
exception.Message.Should().Be($"No products available in the store");
fixture.MockProductRepository.Verify(x => x.GetAllAsync(), Times.Once());
fixture.MockProductRepository.VerifyNoOtherCalls();
}
public async Task DeleteAsync_DeletesSuccessfully_GivenValidInput()
{
// Arrange
var fixture = new ProductServiceFixture();
var productId = Guid.NewGuid();
fixture.MockProductOptionService.Setup(x => x.DeleteListAsync(productId)).ReturnsAsync(4);
fixture.MockProductRepository.Setup(x => x.DeleteAsync(productId)).ReturnsAsync(1);
// Act
await fixture.Sut().DeleteAsync(productId);
// Assert
fixture.MockProductOptionService.Verify(x => x.DeleteListAsync(productId), Times.Once());
fixture.MockProductRepository.Verify(x => x.DeleteAsync(productId), Times.Once());
fixture.MockProductRepository.VerifyNoOtherCalls();
}
public async Task GetByIdAsync_ThrowsProductNotFoundException_GivenNonExistentProductId()
{
// Arrange
var fixture = new ProductServiceFixture();
var productId = Guid.NewGuid();
fixture.MockProductRepository.Setup(
x => x.GetByIdAsync(It.IsAny <Guid>())).ReturnsAsync((Product)null);
// Act
// Assert
var exception =
await Assert.ThrowsAsync <ProductNotFoundException>(
async() => await fixture.Sut().GetByIdAsync(productId));
exception.Message.Should().Be($"No product found with id {productId}");
fixture.MockProductRepository.Verify(x => x.GetByIdAsync(It.IsAny <Guid>()), Times.Once());
fixture.MockProductRepository.VerifyNoOtherCalls();
}
public async Task UpdateAsync_UpdatesSuccessfully_GivenValidInput()
{
// Arrange
var fixture = new ProductServiceFixture();
var productId = Guid.NewGuid();
var inputProduct = new ProductBuilder()
.WithDefaultValues()
.WithId(productId)
.Build();
fixture.MockProductRepository.Setup(x => x.UpdateAsync(inputProduct)).ReturnsAsync(1);
// Act
await fixture.Sut().UpdateAsync(inputProduct);
// Assert
fixture.MockProductRepository.Verify(x => x.UpdateAsync(inputProduct), Times.Once());
fixture.MockProductRepository.VerifyNoOtherCalls();
}
public async Task AddAsync_SavesAndReturnsProductId_GivenValidInput()
{
// Arrange
var fixture = new ProductServiceFixture();
var productId = Guid.NewGuid();
var inputProduct = new ProductBuilder()
.WithDefaultValues()
.WithId(productId)
.Build();
fixture.MockProductRepository.Setup(x => x.AddAsync(inputProduct)).ReturnsAsync(productId);
// Act
var result = await fixture.Sut().AddAsync(inputProduct);
// Assert
productId.Should().Be(result);
fixture.MockProductRepository.Verify(x => x.AddAsync(inputProduct), Times.Once());
fixture.MockProductRepository.VerifyNoOtherCalls();
}
public async Task UpdateAsync_ThrowsProductNotFoundException_GivenInvalidInput()
{
// Arrange
var fixture = new ProductServiceFixture();
var productId = Guid.NewGuid();
var inputProduct = new ProductBuilder()
.WithDefaultValues()
.WithId(productId)
.Build();
fixture.MockProductRepository.Setup(x => x.UpdateAsync(inputProduct)).ReturnsAsync(0);
// Act
// Assert
var exception =
await Assert.ThrowsAsync <ProductNotFoundException>(async() => await fixture.Sut().UpdateAsync(inputProduct));
exception.Message.Should().Be($"No product found with id {productId}");
fixture.MockProductRepository.Verify(x => x.UpdateAsync(inputProduct), Times.Once());
fixture.MockProductRepository.VerifyNoOtherCalls();
}
public async Task GetByIdAsync_ReturnsProductFromDb_GivenValidProductId()
{
// Arrange
var fixture = new ProductServiceFixture();
var productId = Guid.NewGuid();
var expectedProduct = new ProductBuilder()
.WithDefaultValues()
.WithId(productId)
.Build();
fixture.MockProductRepository.Setup(
x => x.GetByIdAsync(It.IsAny <Guid>())).ReturnsAsync(expectedProduct);
// Act
var result = await fixture.Sut().GetByIdAsync(productId);
// Assert
result.Should().NotBeNull();
result.Should().BeEquivalentTo(expectedProduct);
fixture.MockProductRepository.Verify(
x => x.GetByIdAsync(productId), Times.Once());
fixture.MockProductRepository.VerifyNoOtherCalls();
}
