send cache full coverage

packages/api/tests/send-cache.spec.ts

@@ -18,7 +18,7 @@ describe('SendCache', () => {
     expect(SendCache.check('id', 'target2')).to.equal(false);
   });
 
-  it('purges the first item in teh cache when the cache is full (100 items)', async () => {
+  it('purges the first item in the cache when the target cache is full (100 items)', async () => {
     const recordId = 'id';
     // set 100 items in the cache to the same id
     for (let i = 0; i < 100; i++) {
@@ -42,4 +42,29 @@ describe('SendCache', () => {
     expect(SendCache.check(recordId, 'target-2')).to.equal(true);
     expect(SendCache.check(recordId, 'target-new2')).to.equal(true);
   });
+
+  it('purges the first item in the cache when the record cache is full (100 items)', async () => {
+    const target = 'target';
+    // set 100 items in the cache to the same id
+    for (let i = 0; i < 100; i++) {
+      SendCache.set(`record-${i}`, target);
+    }
+
+    // check that the first item is in the cache
+    expect(SendCache.check('record-0', target)).to.equal(true);
+
+    // set another item in the cache
+    SendCache.set('record-new', target);
+
+    // check that the first item is no longer in the cache but the one after it is as well as the new one.
+    expect(SendCache.check('record-0', target)).to.equal(false);
+    expect(SendCache.check('record-1', target)).to.equal(true);
+    expect(SendCache.check('record-new', target)).to.equal(true);
+
+    // add another item
+    SendCache.set('record-new2', target);
+    expect(SendCache.check('record-1', target)).to.equal(false);
+    expect(SendCache.check('record-2', target)).to.equal(true);
+    expect(SendCache.check('record-new2', target)).to.equal(true);
+  });
 });