parisyup

// Multiple Commands not permitted
            results["Multiple Commands not permitted"] = try {
                val iouState = IOUState(
                    amount = 10,
                    paid = 3,
                    lender = myInfo.name,
                    borrower = otherMember.name,
                    linearId = UUID.randomUUID(),
                    participants = listOf(myInfo.ledgerKeys.first(), otherMember.ledgerKeys.first())
                )

parisyup

@Suspendable
private String testMultipleCommandsNotPermitted(MemberInfo myInfo, MemberInfo otherMember, NotaryInfo notary) {
    try {
        IOUState iouState = new IOUState( //create sample output state for the test
                10,
                myInfo.getName(),
                otherMember.getName(),
                3,
                UUID.randomUUID(),
                Arrays.asList(myInfo.getLedgerKeys().get(0), otherMember.getLedgerKeys().get(0))

parisyup

        IOUState iouState = new IOUState( //create sample output state for the test
                10,
                myInfo.getName(),
                otherMember.getName(),
                3,
                UUID.randomUUID(),
                Arrays.asList(myInfo.getLedgerKeys().get(0), otherMember.getLedgerKeys().get(0))
        );

parisyup

                val iouState = IOUState(
                    amount = 10,
                    paid = 3,
                    lender = myInfo.name,
                    borrower = otherMember.name,
                    linearId = UUID.randomUUID(),
                    participants = listOf(myInfo.ledgerKeys.first(), otherMember.ledgerKeys.first())
                )

parisyup

var txBuilder = ledgerService.createTransactionBuilder() //build sample transaction to test
                .setNotary(notary.getName())
                .setTimeWindowBetween(Instant.now(), Instant.now().plusMillis(Duration.ofDays(1).toMillis()))
                .addOutputState(iouState)
                .addInputState(inputStateRef)
                .addCommand(new IOUContract.Issue())
                .addCommand(new IOUContract.Transfer())
                .addSignatories(iouState.getParticipants());

parisyup

 val txBuilder = ledgerService.createTransactionBuilder()
                    .setNotary(notary.name)
                    .setTimeWindowBetween(Instant.now(), Instant.now().plusMillis(Duration.ofDays(1).toMillis()))
                    .addOutputState(iouState)
                    .addInputState(inputStateRef)
                    .addCommand(IOUContract.Issue())
                    .addCommand(IOUContract.Transfer())
                    .addSignatories(iouState.participants)

parisyup

        return "Fail";//no error found. Contract failed.


    } catch (Exception e) {//catching the error to see if the contract passed
        //check if gotten the expected error
        String exceptionMessage = e.getMessage() != null ? e.getMessage() : "No exception message";
        if (exceptionMessage.contains("Require a single command")) {
            return "Pass"; //expected error found so the contract passes the test
        } else {
            return "Contract failed but with a different Exception: " + e.getMessage();//different error thrown. Contract failed

parisyup

  "Fail"

            } catch (e:Exception) {
                val exceptionMessage =  e.message ?: "No exception message"
                if (exceptionMessage.contains("Requires a single command.")) {
                    "Pass" }
                else {
                    "Contract failed but with a different Exception: ${e.message}"
                }
            }

parisyup

@Suspendable
    private String testOnlyTwoParticipants(MemberInfo myInfo, MemberInfo otherMember, NotaryInfo notary) {
        try {
            IOUState iouState = new IOUState(
                    10,
                    myInfo.getName(),
                    otherMember.getName(),
                    3,
                    UUID.randomUUID(),
                    Collections.singletonList(myInfo.getLedgerKeys().get(0))

parisyup

// Only Two Participants
            results["Only Two Participants"] = try {
                val iouState = IOUState(
                    amount = 10,
                    paid = 3,
                    lender = myInfo.name,
                    borrower = otherMember.name,
                    linearId = UUID.randomUUID(),
                    participants = listOf(myInfo.ledgerKeys.first())
                )