public async Task BudgetAccountExistsAsync_WhenAccountNumberExistsWithinAccounting_ReturnsTrue()
{
IAccountingRepository sut = CreateSut();
bool result = await sut.BudgetAccountExistsAsync(WithExistingAccountingNumber(), WithExistingAccountNumberForBudgetAccount());
Assert.That(result, Is.True);
}
public async Task BudgetAccountExistsAsync_WhenAccountingNumberDoesNotExist_ReturnsFalse()
{
IAccountingRepository sut = CreateSut();
bool result = await sut.BudgetAccountExistsAsync(WithNonExistingAccountingNumber(), WithExistingAccountNumberForBudgetAccount());
Assert.That(result, Is.False);
}
public void BudgetAccountExistsAsync_WhenAccountNumberIsWhiteSpace_ThrowsArgumentNullException()
{
IAccountingRepository sut = CreateSut();
ArgumentNullException result = Assert.ThrowsAsync <ArgumentNullException>(async() => await sut.BudgetAccountExistsAsync(WithExistingAccountingNumber(), " "));
Assert.That(result.ParamName, Is.EqualTo("accountNumber"));
}