From 23b7226a73865b055915624ec957d1cb8aed407b Mon Sep 17 00:00:00 2001
From: David Racero <canillas.mail@gmail.com>
Date: Wed, 9 Sep 2020 16:35:49 +0200
Subject: [PATCH] Fix bignumber global test config

---
 test/__setup.spec.ts                | 4 ++--
 test/liquidation-underlying.spec.ts | 6 ++++++
 test/scenario.spec.ts               | 9 +++++++--
 3 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/test/__setup.spec.ts b/test/__setup.spec.ts
index 689ecf3a..e2db2752 100644
--- a/test/__setup.spec.ts
+++ b/test/__setup.spec.ts
@@ -504,8 +504,8 @@ const buildTestEnv = async (deployer: Signer, secondaryWallet: Signer) => {
   const mockFlashLoanReceiver = await deployMockFlashLoanReceiver(addressesProvider.address);
   await insertContractAddressInDb(eContractid.MockFlashLoanReceiver, mockFlashLoanReceiver.address);
 
-  const mockSwapAdapter = await deployMockSwapAdapter(addressesProvider.address)
-  await insertContractAddressInDb(eContractid.MockSwapAdapter, mockSwapAdapter.address)
+  const mockSwapAdapter = await deployMockSwapAdapter(addressesProvider.address);
+  await insertContractAddressInDb(eContractid.MockSwapAdapter, mockSwapAdapter.address);
 
   await deployWalletBalancerProvider(addressesProvider.address);
 
diff --git a/test/liquidation-underlying.spec.ts b/test/liquidation-underlying.spec.ts
index 676c9c26..9a58965e 100644
--- a/test/liquidation-underlying.spec.ts
+++ b/test/liquidation-underlying.spec.ts
@@ -19,6 +19,12 @@ makeSuite('LendingPool liquidation - liquidator receiving the underlying asset',
     USER_DID_NOT_BORROW_SPECIFIED,
     THE_COLLATERAL_CHOSEN_CANNOT_BE_LIQUIDATED,
   } = ProtocolErrors;
+  before('Before LendingPool liquidation: set config', () => {
+    BigNumber.config({DECIMAL_PLACES: 0, ROUNDING_MODE: BigNumber.ROUND_DOWN});
+  });
+  after('After LendingPool liquidation: reset config', () => {
+    BigNumber.config({DECIMAL_PLACES: 20, ROUNDING_MODE: BigNumber.ROUND_HALF_UP});
+  });
 
   it('LIQUIDATION - Deposits WETH, borrows DAI', async () => {
     const {dai, weth, users, pool, oracle} = testEnv;
diff --git a/test/scenario.spec.ts b/test/scenario.spec.ts
index 5d449d76..54fe7433 100644
--- a/test/scenario.spec.ts
+++ b/test/scenario.spec.ts
@@ -8,8 +8,6 @@ import {getReservesConfigByPool} from '../helpers/constants';
 import {AavePools, iAavePoolAssets, IReserveParams} from '../helpers/types';
 import {executeStory} from './helpers/scenario-engine';
 
-BigNumber.config({DECIMAL_PLACES: 0, ROUNDING_MODE: BigNumber.ROUND_DOWN});
-
 const scenarioFolder = './test/helpers/scenarios/';
 
 const selectedScenarios: string[] = [];
@@ -21,12 +19,19 @@ fs.readdirSync(scenarioFolder).forEach((file) => {
 
   makeSuite(scenario.title, async (testEnv) => {
     before('Initializing configuration', async () => {
+      // Sets BigNumber for this suite, instead of globally
+      BigNumber.config({DECIMAL_PLACES: 0, ROUNDING_MODE: BigNumber.ROUND_DOWN});
+
       actionsConfiguration.skipIntegrityCheck = false; //set this to true to execute solidity-coverage
 
       calculationsConfiguration.reservesParams = <iAavePoolAssets<IReserveParams>>(
         getReservesConfigByPool(AavePools.proto)
       );
     });
+    after('Reset', () => {
+      // Reset BigNumber
+      BigNumber.config({DECIMAL_PLACES: 20, ROUNDING_MODE: BigNumber.ROUND_HALF_UP});
+    });
 
     for (const story of scenario.stories) {
       it(story.description, async () => {