Fix a test (2)

Author: Mathieu2301

tests/simpleChart.test.ts

@@ -23,7 +23,7 @@ describe('Simple chart session', async () => {
 
     while (
       chart.infos.full_name !== 'BINANCE:BTCEUR'
-      || !chart.periods.length
+      || chart.periods.length < 10
     ) await utils.wait(100);
 
     expect(chart.infos.full_name).toBe('BINANCE:BTCEUR');
@@ -39,7 +39,7 @@ describe('Simple chart session', async () => {
     console.log('Setting timeframe to 15 minutes...');
     chart.setSeries('15');
 
-    while (!chart.periods.length) await utils.wait(100);
+    while (chart.periods.length < 10) await utils.wait(100);
     console.log('Chart timeframe set');
 
     expect(

tests/utils.ts

@@ -5,13 +5,11 @@ export const wait = (ms: number) => (
 export function calculateTimeGap(periods: { time: number }[]) {
   let minTimeGap = Infinity;
 
-  for (let i = 1; i < 10; i += 1) {
-    const time1 = periods[i - 1]?.time;
-    const time2 = periods[i]?.time;
-    if (!time1 || !time2) continue;
-
-    const timeGap = time1 - time2;
-    if (timeGap < minTimeGap) minTimeGap = timeGap;
+  for (let i = 1; i < periods.length; i += 1) {
+    minTimeGap = Math.min(
+      minTimeGap,
+      periods[i - 1].time - periods[i].time,
+    );
   }
 
   return minTimeGap;