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explorer-monorepo/docs/TEST_FAILURES_ANALYSIS.md

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Test Failures Analysis - Gaps and Missing Code

Date: 2025-12-24
Status: ⚠️ 38 FAILING TESTS IDENTIFIED

🔴 Critical Issues: Missing Code or Implementation Gaps

1. Error Message Mismatches (Custom Errors vs String Errors)

Problem: Contracts use custom errors, but tests expect string error messages.

DebtRegistry (4 failing tests)

  • Contract uses: Custom errors (DebtZeroDebtor(), DebtZeroAmount(), DebtLienNotActive(), DebtReduceByExceedsAmount())
  • Tests expect: String errors like "DebtRegistry: zero amount", "DebtRegistry: zero debtor", etc.
  • Files affected:
    • test/emoney/unit/DebtRegistryTest.t.sol
    • test/emoney/fuzz/DebtRegistryFuzz.t.sol

Fix Required: Update tests to use vm.expectRevert(abi.encodeWithSelector(DebtZeroAmount.selector)) instead of string errors.

PolicyManager (1 failing test)

  • Contract uses: Custom error PolicyInvalidLienMode(uint8 mode)
  • Test expects: String error "PolicyManager: invalid lien mode"
  • File affected: test/emoney/unit/PolicyManagerTest.t.sol

Fix Required: Update test to use custom error selector.

TokenFactory138 (2 failing tests)

  • Contract uses: Custom error ZeroIssuer() from FactoryErrors.sol
  • Tests expect: String error "TokenFactory138: zero issuer"
  • File affected: test/emoney/unit/TokenFactoryTest.t.sol

Fix Required: Update tests to use custom error selector.

eMoneyToken (1 failing test)

  • Contract uses: Custom error ToNotCompliant(address account)
  • Test expects: String error "eMoneyToken: to not compliant"
  • File affected: test/emoney/unit/eMoneyTokenTest.t.sol

Fix Required: Update test to use custom error selector.

2. Missing Validation Logic

RailTriggerRegistry - Duplicate InstructionId Check

  • Issue: Test test_createTrigger_duplicateInstructionId() expects revert, but contract DOES check for duplicates (line 43: require(!instructionIdExists(t.instructionId), ...))
  • Problem: Test may be incorrectly structured or instructionIdExists() function may have a bug
  • Files affected:
    • test/emoney/unit/RailTriggerRegistryTest.t.sol
    • test/emoney/fuzz/RailTriggerFuzz.t.sol

Action Required: Review instructionIdExists() implementation and test logic.

3. Test Setup Issues (Missing Configuration)

CCIPReceiver Tests (2 failing tests)

  • Error: "CCIPReceiver: zero aggregator address"
  • Problem: Tests don't set up ORACLE_AGGREGATOR_ADDRESS in setUp
  • Files affected:
    • test/ccip/CCIPErrorHandling.t.sol
    • test/ccip/CCIPIntegration.t.sol

Fix Required: Add oracle aggregator address setup in test setUp functions.

CCIPSender Tests (5 failing tests)

  • Error: "CCIPSender: destination not enabled"
  • Problem: Tests don't configure CCIP destinations before testing
  • File affected: test/ccip/CCIPFees.t.sol

Fix Required: Add destination configuration in test setup.

ReserveSystem Test (1 failing test)

  • Error: AccessControlUnauthorizedAccount in setUp
  • Problem: Test doesn't grant required roles before setup
  • File affected: test/reserve/ReserveSystemTest.t.sol

Fix Required: Grant necessary roles in setUp function.

SettlementOrchestrator Tests (3 failing tests)

  • Error: AccessControlUnauthorizedAccount and log mismatches
  • Problem: Missing role grants or incorrect event expectations
  • File affected: test/emoney/unit/SettlementOrchestratorTest.t.sol

Fix Required: Review role grants and event helper definitions.

4. Test Logic Errors

CompliantUSDT Burn Test (1 failing test)

  • Error: assertion failed: 999000000000 != 1000000000000
  • Problem: Test transfers 1000 * 10^6 to user1, then burns it, but assertion checks wrong balance
  • File affected: test/compliance/CompliantUSDTTest.t.sol
  • Line 79: assertEq(usdt.totalSupply(), 1000000 * 10**6 - amount); - This is correct
  • Line 80: assertEq(usdt.balanceOf(user1), 0); - This should pass if burn worked

Action Required: Review test logic - the assertion may be checking the wrong value.

5. Missing Functionality or Implementation Gaps

WETH/WETH10 Withdraw Tests (3 failing tests)

  • Error: EvmError: Revert in testWithdraw()
  • Problem: Withdraw functionality may be missing or incorrectly implemented
  • Files affected:
    • test/WETH.t.sol
    • test/WETH10.t.sol

Action Required: Review WETH/WETH10 withdraw implementation.

Bridge Cross-Chain Tests (2 failing tests)

  • Error: EvmError: Revert in testSendCrossChain()
  • Problem: Bridge may not be properly configured or missing functionality
  • Files affected:
    • test/CCIPWETH9Bridge.t.sol
    • test/CCIPWETH10Bridge.t.sol

Action Required: Review bridge configuration and cross-chain send functionality.

Payment Rails Flow Tests (4 failing tests)

  • Errors: Various state and validation errors
  • Problem: Integration tests may have incorrect state setup or missing validations
  • File affected: test/emoney/integration/PaymentRailsFlowTest.t.sol

Action Required: Review integration test setup and state management.

6. Fuzz Test Edge Cases

AggregatorFuzz Test (1 failing test)

  • Error: assertion failed: 25100000000 != 25000000000
  • Problem: Fuzz test found edge case where price deviation logic may not work as expected
  • File affected: test/AggregatorFuzz.t.sol

Action Required: Review price deviation threshold logic in Aggregator contract.

NetworkResilience Test (1 failing test)

  • Error: Oracle should recover after unpause: 25000000000 != 25100000000
  • Problem: Oracle may not properly recover state after unpause
  • File affected: test/e2e/NetworkResilience.t.sol

Action Required: Review oracle pause/unpause state recovery logic.

✅ Summary of Issues by Category

Category Count Severity Action Required
Error Message Mismatches 8 🔴 High Update tests to use custom error selectors
Missing Test Setup 11 🟡 Medium Add proper configuration in setUp functions
Missing Validation Logic 2 🟡 Medium Review validation implementations
Test Logic Errors 1 🟢 Low Fix test assertions
Missing Functionality 9 🔴 High Review contract implementations
Fuzz Test Edge Cases 2 🟡 Medium Review edge case handling
Other 5 🟡 Medium Various issues

🎯 Priority Fixes

Immediate (High Priority)

  1. Fix error message mismatches - Update all tests to use custom error selectors (8 tests)
  2. Review missing functionality - WETH withdraw, bridge cross-chain, payment rails (9 tests)
  3. Fix test setup issues - CCIPReceiver, CCIPSender, ReserveSystem, SettlementOrchestrator (11 tests)

Short Term (Medium Priority)

  1. Review validation logic - RailTriggerRegistry duplicate check (2 tests)
  2. Fix fuzz test edge cases - Aggregator and NetworkResilience (2 tests)

Low Priority

  1. Fix test logic errors - CompliantUSDT burn test (1 test)

📝 Notes

  • 165 tests passing - Good coverage overall
  • 38 tests failing - Mostly test setup and error message mismatches
  • No compilation errors - All contracts compile successfully
  • Most issues are test-related - Not necessarily missing code, but missing test configuration

Last Updated: 2025-12-24

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