public async Task AccountExistsAsync_WhenAccountNumberExistsWithinAccounting_ReturnsTrue()
{
IAccountingRepository sut = CreateSut();
bool result = await sut.AccountExistsAsync(WithExistingAccountingNumber(), WithExistingAccountNumberForAccount());
Assert.That(result, Is.True);
}
public async Task AccountExistsAsync_WhenAccountingNumberDoesNotExist_ReturnsFalse()
{
IAccountingRepository sut = CreateSut();
bool result = await sut.AccountExistsAsync(WithNonExistingAccountingNumber(), WithExistingAccountNumberForAccount());
Assert.That(result, Is.False);
}
public void AccountExistsAsync_WhenAccountNumberIsWhiteSpace_ThrowsArgumentNullException()
{
IAccountingRepository sut = CreateSut();
ArgumentNullException result = Assert.ThrowsAsync <ArgumentNullException>(async() => await sut.AccountExistsAsync(WithExistingAccountingNumber(), " "));
Assert.That(result.ParamName, Is.EqualTo("accountNumber"));
}