public void When_no_transactions_returns_empty_list()
{
ITxSource txSource = Substitute.For <ITxSource>();
SinglePendingTxSelector selector = new SinglePendingTxSelector(txSource);
selector.GetTransactions(_anyParent, 1000000).Should().HaveCount(0);
}
public void When_many_transactions_returns_one_with_lowest_nonce_and_highest_timestamp()
{
ITxSource txSource = Substitute.For <ITxSource>();
txSource.GetTransactions(_anyParent, 1000000).ReturnsForAnyArgs(new []
{
Build.A.Transaction.WithNonce(6).TestObject,
Build.A.Transaction.WithNonce(1).WithTimestamp(7).TestObject,
Build.A.Transaction.WithNonce(9).TestObject,
Build.A.Transaction.WithNonce(1).WithTimestamp(8).TestObject,
});
SinglePendingTxSelector selector = new SinglePendingTxSelector(txSource);
var result = selector.GetTransactions(_anyParent, 1000000).ToArray();
result.Should().HaveCount(1);
result[0].Timestamp.Should().Be(8);
result[0].Nonce.Should().Be(1);
}