public async Task GivenEntity_AndCancellationToken_WhenCreate_ThenCollectionInsertOneAsync()
{
// Arrange
var sut = new TestableMongoDbDataStorageService(
_mockMongoClient.Object,
_configuration);
var entity = new TestableStorageEntity();
var cancellationTokenSource = new CancellationTokenSource();
// Act
await sut.Create(
entity,
cancellationTokenSource.Token);
// Assert
_mockCollection.Verify(x => x.InsertOneAsync(
It.Is <TestableStorageEntity>(y => y == entity),
It.Is <InsertOneOptions>(y => y == null),
It.Is <CancellationToken>(y => y == cancellationTokenSource.Token)), Times.Once);
}