Merge branch 'development' of https://github.com/0xProject/0x-monorepo into feature/instant/move-features-over-from-zrx-buyer

1 files changed, 17 insertions, 0 deletions

diff --git a/packages/order-watcher/test/order_watcher_test.ts b/packages/order-watcher/test/order_watcher_test.ts
index 60d9069e8..4545f84bf 100644
--- a/packages/order-watcher/test/order_watcher_test.ts
+++ b/packages/order-watcher/test/order_watcher_test.ts
@@ -140,6 +140,23 @@ describe('OrderWatcher', () => {
             expect(() => orderWatcher.subscribe(_.noop.bind(_))).to.throw(OrderWatcherError.SubscriptionAlreadyPresent);
         });
     });
+    describe('#getStats', async () => {
+        it('orderCount should increment and decrement with order additions and removals', async () => {
+            signedOrder = await fillScenarios.createFillableSignedOrderAsync(
+                makerAssetData,
+                takerAssetData,
+                makerAddress,
+                takerAddress,
+                fillableAmount,
+            );
+            const orderHash = orderHashUtils.getOrderHashHex(signedOrder);
+            expect(orderWatcher.getStats().orderCount).to.be.eq(0);
+            await orderWatcher.addOrderAsync(signedOrder);
+            expect(orderWatcher.getStats().orderCount).to.be.eq(1);
+            orderWatcher.removeOrder(orderHash);
+            expect(orderWatcher.getStats().orderCount).to.be.eq(0);
+        });
+    });
     describe('tests with cleanup', async () => {
         afterEach(async () => {
             orderWatcher.unsubscribe();