public async Task GivenAnAccountDefinition_WhenICreateADataLinkBetweenTwoSubscriptions_ThenTheDataLinkShouldBePersisted()
{
// Setup:
await using var db = ClientsDbTestProvider.CreateInMemoryClientDb();
var account = DtoProvider.CreateValidAccountDefinition();
var createAccountDelegate = new CreateAccountDelegate(db, Mapper);
account = await createAccountDelegate.CreateAccountAsync(account);
var dataLink = new DataLinkDto
{
FromSubscriptionId = 2, // Staging
ToSubscriptionId = 1, // Production
DataLinkTypeId = 1 // Customization
};
// System under test: CreateDataLinkDelegate
var createDataLinkDelegate = new CreateDataLinkDelegate(db, Mapper);
// Exercise: invoke CreateDataLink
var createdDataLink = await createDataLinkDelegate.CreateDataLinkAsync(account.AccountId, dataLink);
// Assert
createdDataLink.From.Should().NotBeNullOrEmpty();
createdDataLink.To.Should().NotBeNullOrEmpty();
createdDataLink.Type.Should().NotBeNullOrEmpty().And.Be("Customization");
db.DataLinks.Count().Should().Be(1);
}
public async Task GivenADataLinkOperation_WhenICreateAnExistingDataLink_ThenTheDelegateShouldRaiseAnError()
{
// Setup:
await using var db = ClientsDbTestProvider.CreateInMemoryClientDb();
var account = DtoProvider.CreateValidAccountDefinition();
var createAccountDelegate = new CreateAccountDelegate(db, Mapper);
account = await createAccountDelegate.CreateAccountAsync(account);
var dataLink = new DataLinkDto
{
FromSubscriptionId = 2, // Staging
ToSubscriptionId = 1, // Production
DataLinkTypeId = 1 // Customization
};
// System under test: CreateDataLinkDelegate
var createDataLinkDelegate = new CreateDataLinkDelegate(db, Mapper);
// Exercise: invoke CreateDataLink twice
try
{
await createDataLinkDelegate.CreateDataLinkAsync(account.AccountId, dataLink);
await createDataLinkDelegate.CreateDataLinkAsync(account.AccountId, dataLink);
Assert.Fail($"An invocation to {nameof(CreateDataLinkDelegate.CreateDataLinkAsync)} should not have completed when a duplicate data link.");
}
catch (Exception e)
{
// Assert
// Exception is the right type
e.GetType().Should().Be <MalformedDataLinkException>();
e.Message.Should().Be($"An existing DataLink from subscription with SubscriptionId = 2 to subscription with SubscriptionId = 1 already exists.");
// Only one data link is persisted.
db.DataLinks.Count().Should().Be(1);
}
}
public async Task GivenADataLinkOperation_WhenIPassAnInvalidAccount_ThenTheDelegateShouldRaiseAnError()
{
// Setup:
await using var db = ClientsDbTestProvider.CreateInMemoryClientDb();
var account = DtoProvider.CreateValidAccountDefinition();
var createAccountDelegate = new CreateAccountDelegate(db, Mapper);
account = await createAccountDelegate.CreateAccountAsync(account);
var dataLink = new DataLinkDto
{
FromSubscriptionId = 2, // Staging
ToSubscriptionId = 1, // Production
DataLinkTypeId = 1 // Customization
};
// System under test: CreateDataLinkDelegate
var createDataLinkDelegate = new CreateDataLinkDelegate(db, Mapper);
// Exercise: invoke CreateDataLink twice
try
{
await createDataLinkDelegate.CreateDataLinkAsync(-1, dataLink);
Assert.Fail($"An invocation to {nameof(CreateDataLinkDelegate.CreateDataLinkAsync)} should not have completed with an invalid {nameof(AccountDto.AccountId)}.");
}
catch (Exception e)
{
// Assert
// Exception is the right type
e.GetType().Should().Be <AccountNotFoundException>();
e.Message.Should().Be($"An account with AccountId = -1 doesn't exist.");
// Nothing persisted
db.DataLinks.Count().Should().Be(0);
}
}
public DataLinksController(GetDataLinkDelegate getDataLink, CreateDataLinkDelegate createDataLink)
{
_getDataLink = getDataLink;
_createDataLink = createDataLink;
}
