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test FlowInitialized event payload per config #447

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test FlowInitialized event payload per config #447

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42 changes: 42 additions & 0 deletions test/src/concrete/Flow.construction.t.sol
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Original file line number Diff line number Diff line change
Expand Up @@ -7,8 +7,11 @@ import {Vm} from "forge-std/Test.sol";
import {EvaluableConfigV3} from "rain.interpreter.interface/interface/IInterpreterCallerV2.sol";
import {FlowTest} from "test/abstract/FlowTest.sol";
import {EmptyFlowConfig} from "src/error/ErrFlow.sol";
import {EvaluableV2} from "rain.interpreter.interface/lib/caller/LibEvaluable.sol";
import {LibLogHelper} from "test/lib/LibLogHelper.sol";

contract FlowConstructionTest is FlowTest {
using LibLogHelper for Vm.Log[];
function testFlowConstructionEmptyConfigReverts() external {
EvaluableConfigV3[] memory emptyConfig = new EvaluableConfigV3[](0);
address impl = deployFlowImplementation();
Expand Down Expand Up @@ -37,4 +40,43 @@ contract FlowConstructionTest is FlowTest {
assertEq(sender, address(I_CLONE_FACTORY), "wrong sender in Initialize event");
assertEq(keccak256(abi.encode(flowConfig)), keccak256(abi.encode(config)), "wrong compare Structs");
}

/// `flowInit` MUST emit one `FlowInitialized(sender, evaluable)` per
/// registered config, with `sender` equal to the clone-factory caller
/// and `evaluable` equal to the deployer-returned `(interpreter, store,
/// expression)` triple. Pinning this prevents a future change that
/// drops the event, mismatches the sender, or skips emissions on
/// duplicate configs.
/// forge-config: default.fuzz.runs = 100
function testFlowConstructionEmitsFlowInitializedPerConfig(address[] memory expressions) external {
uint256 length = bound(expressions.length, 1, 5);
assembly ("memory-safe") {
mstore(expressions, length)
}

EvaluableConfigV3[] memory flowConfig = new EvaluableConfigV3[](length);
for (uint256 i = 0; i < length; i++) {
// Distinct (bytecode, constants) per config so each call to the
// deployer mock returns a distinct `expression`.
bytes memory bytecode = abi.encodePacked(uint256(i));
uint256[] memory constants = new uint256[](0);
expressionDeployerDeployExpression2MockCall(bytecode, constants, expressions[i], bytes(hex"0007"));
flowConfig[i] = EvaluableConfigV3(DEPLOYER, bytecode, constants);
}

vm.recordLogs();
I_CLONE_FACTORY.clone(deployFlowImplementation(), abi.encode(flowConfig));

Vm.Log[] memory all = vm.getRecordedLogs();
Vm.Log[] memory init = all.findEvents(keccak256("FlowInitialized(address,(address,address,address))"));

assertEq(init.length, length, "FlowInitialized count");
for (uint256 i = 0; i < length; i++) {
(address sender, EvaluableV2 memory ev) = abi.decode(init[i].data, (address, EvaluableV2));
assertEq(sender, address(I_CLONE_FACTORY), "FlowInitialized sender");
assertEq(address(ev.interpreter), address(INTERPRETER), "FlowInitialized interpreter");
assertEq(address(ev.store), address(STORE), "FlowInitialized store");
assertEq(ev.expression, expressions[i], "FlowInitialized expression");
}
}
}
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