test(multi.test.js): increased testing coverage of multi module

src/ootk-multi.worker.js

@@ -1,8 +1,6 @@
 // eslint-disable-next-line no-undef
 importScripts('./ootk-sgp4.js');
-
 const decoderInst = new TextDecoder();
-const encoderInst = new TextEncoder();
 
 onmessage = function (m) {
   const data = JSON.parse(decoderInst.decode(m.data));

test/multi/multi.test.js

@@ -0,0 +1,109 @@
+import { Multi } from '@lib/ootk-multi.js';
+import { Sgp4 } from '@lib/ootk-sgp4.js';
+
+describe('test non webworker functions', () => {
+  test('if chunkArray works', () => {
+    expect(
+      Multi.chunkArray(
+        [
+          { satn: '00005' },
+          { satn: '00005' },
+          { satn: '00005' },
+          { satn: '00005' },
+          { satn: '00005' },
+          { satn: '00005' },
+          { satn: '00005' },
+          { satn: '00005' },
+          { satn: '00005' },
+          { satn: '00005' },
+          { satn: '00005' },
+        ],
+        2,
+      ),
+    ).toEqual([
+      [
+        { satn: '00005' },
+        { satn: '00005' },
+        { satn: '00005' },
+        { satn: '00005' },
+        { satn: '00005' },
+        { satn: '00005' },
+      ],
+      [
+        { satn: '00005' },
+        { satn: '00005' },
+        { satn: '00005' },
+        { satn: '00005' },
+        { satn: '00005' },
+      ],
+    ]);
+  });
+  test('if chunkArray2 works', () => {
+    expect(
+      Multi.chunkArray2(
+        [
+          { satn: '00005' },
+          { satn: '00005' },
+          { satn: '00005' },
+          { satn: '00005' },
+          { satn: '00005' },
+          { satn: '00005' },
+          { satn: '00005' },
+          { satn: '00005' },
+          { satn: '00005' },
+          { satn: '00005' },
+          { satn: '00005' },
+        ],
+        2,
+      ),
+    ).toEqual([
+      [
+        { satn: '00005' },
+        { satn: '00005' },
+        { satn: '00005' },
+        { satn: '00005' },
+        { satn: '00005' },
+      ],
+      [
+        { satn: '00005' },
+        { satn: '00005' },
+        { satn: '00005' },
+        { satn: '00005' },
+        { satn: '00005' },
+      ],
+      [{ satn: '00005' }],
+    ]);
+  });
+});
+
+describe.skip('check that Pool class generates web workers', () => {
+  test('if webworkers return message', () => {
+    const multi = new Multi(8);
+    let m = null;
+    (async () => {
+      let x = 0;
+      let propTime = -1440;
+
+      const line1 = '1 00005U 58002B   00179.78495062  .00000023  00000-0  00098-0 0  4753';
+      const line2 = '2 00005  34.2682 348.7242 1859667 331.7664  19.3264 10.82419157413667';
+      const satrec = Sgp4.createSatrec(line1, line2, 'wgs72', 'i');
+
+      const times = [];
+      const satrecs = [];
+
+      while (propTime <= 1440) {
+        times.push(propTime);
+        propTime += 20;
+      }
+
+      while (x < 1000) {
+        satrecs.push(satrec);
+        x++;
+      }
+
+      m = await multi.propagate(satrecs, times);
+    })();
+
+    expect(m).toEqual(1);
+  });
+});