Merge pull request #53 from onchainification/issue/52

test: close pool

test/CheckerTest.t.sol

@@ -87,10 +87,4 @@ contract CheckerTest is BaseFixture {
         assertEq(uint8(_action), uint8(RoboSaverVirtualModule.PoolAction.EXEC_QUEUE_POOL_ACTION));
         assertEq(_amount, 0);
     }
-
-    function testChecker_When_PoolClose() public {
-        _assertCheckerFalseNoDeficitNorSurplus();
-
-        /// @todo: implement test case for when pool should be closed
-    }
 }

test/ClosePoolTest.t.sol

@@ -0,0 +1,41 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.25;
+
+import {IERC20} from "@gnosispay-kit/interfaces/IERC20.sol";
+
+import {BaseFixture} from "./BaseFixture.sol";
+
+import {RoboSaverVirtualModule} from "../src/RoboSaverVirtualModule.sol";
+
+contract ClosePoolTest is BaseFixture {
+    function testClosePool() public {
+        _assertCheckerFalseNoDeficitNorSurplus();
+
+        // balance=240, dailyAllowance=200, buffer=50
+        // deposit 100
+        vm.startPrank(KEEPER);
+        roboModule.adjustPool(RoboSaverVirtualModule.PoolAction.DEPOSIT, 100e18);
+        vm.warp(block.timestamp + COOLDOWN_PERIOD);
+        roboModule.adjustPool(RoboSaverVirtualModule.PoolAction.EXEC_QUEUE_POOL_ACTION, 1);
+        vm.stopPrank();
+
+        // // set buffer to > dailyAllowance + ~poolBalance
+        vm.prank(GNOSIS_SAFE);
+        roboModule.setBuffer(500e18);
+
+        // this should now trigger a pool close
+        (bool canExec, bytes memory execPayload) = roboModule.checker();
+        assertTrue(canExec);
+        (bytes memory dataWithoutSelector,) = _extractEncodeDataWithoutSelector(execPayload);
+        (RoboSaverVirtualModule.PoolAction _action, uint256 _amount) =
+            abi.decode(dataWithoutSelector, (RoboSaverVirtualModule.PoolAction, uint256));
+        assertEq(uint8(_action), uint8(RoboSaverVirtualModule.PoolAction.CLOSE));
+
+        // exec it and check if pool is closed
+        vm.startPrank(KEEPER);
+        roboModule.adjustPool(_action, _amount);
+        vm.warp(block.timestamp + COOLDOWN_PERIOD);
+        roboModule.adjustPool(RoboSaverVirtualModule.PoolAction.EXEC_QUEUE_POOL_ACTION, 0);
+        assertEq(IERC20(BPT_STEUR_EURE).balanceOf(GNOSIS_SAFE), 0);
+    }
+}