Fix flaky tests

mapbox · Sep 1, 2022 · fbb80cd · fbb80cd
1 parent 825bd2b
commit fbb80cd
Showing 1 changed file with 7 additions and 7 deletions.
diff --git a/test/unit/terrain/terrain.test.js b/test/unit/terrain/terrain.test.js
@@ -58,6 +58,10 @@ const createGradientDEM = () => {
     return new DEMData(0, new RGBAImage({height: TILE_SIZE + 2, width: TILE_SIZE + 2}, pixels), "mapbox", false, true);
 };
 
+function nearlyEquals(a, b, eps = 0.000000001) {
+    return Object.keys(a).length >= 2 && Object.keys(a).every(key => Math.abs(a[key] - b[key]) < eps);
+}
+
 const createNegativeGradientDEM = () => {
     const pixels = new Uint8Array((TILE_SIZE + 2) * (TILE_SIZE + 2) * 4);
     // 1, 134, 160 encodes 0m.
@@ -374,19 +378,19 @@ test('Elevation', (t) => {
                 changed = map._updateAverageElevation(timestamp);
                 t.true(changed);
                 t.true(map._averageElevation.isEasing(timestamp));
-                t.equal(map.transform.averageElevation, 154.15083854452925);
+                t.ok(nearlyEquals(map.transform.averageElevation, 154.15083854452925));
 
                 timestamp += AVERAGE_ELEVATION_EASE_TIME * 0.5;
                 changed = map._updateAverageElevation(timestamp);
                 t.true(changed);
                 t.true(map._averageElevation.isEasing(timestamp));
-                t.equal(map.transform.averageElevation, 308.3016770890585);
+                t.ok(nearlyEquals(map.transform.averageElevation, 308.3016770890585));
 
                 timestamp += AVERAGE_ELEVATION_SAMPLING_INTERVAL;
                 changed = map._updateAverageElevation(timestamp);
                 t.false(changed);
                 t.false(map._averageElevation.isEasing(timestamp));
-                t.equal(map.transform.averageElevation, 308.3016770890585);
+                t.ok(nearlyEquals(map.transform.averageElevation, 308.3016770890585));
 
                 t.end();
             });
@@ -683,10 +687,6 @@ test('Terrain style', (t) => {
     t.end();
 });
 
-function nearlyEquals(a, b, eps = 0.000000001) {
-    return Object.keys(a).length >= 2 && Object.keys(a).every(key => Math.abs(a[key] - b[key]) < eps);
-}
-
 test('Raycast projection 2D/3D', t => {
     const map = createMap(t, {
         style: {