Add function to test meal counter

ookino · ookino · commit 85ba10eada0e · 2021-09-17T11:33:08.000+01:00
diff --git a/src/modules/test/counter.test.js b/src/modules/test/counter.test.js
@@ -0,0 +1,37 @@
+import counter from '../counter';
+
+describe('Meals Counter function Test', () => {
+  const mealArray = [
+    {
+      mealID: 1234,
+      mealName: 'Baked beans',
+      mealDescription: 'it is a canned meal, no need for a description',
+    },
+    {
+      mealID: 1890,
+      mealName: 'Fried Rice',
+      mealDescription: 'Just fry the rice',
+    },
+  ];
+  test('should return meals array length of 2', () => {
+    const mealLength = counter.meals(mealArray);
+    expect(mealLength).toBe(2);
+  });
+
+  test('should return meals array length of 5 ', () => {
+    mealArray.push(
+      {
+        mealID: 2040,
+        mealName: 'Another meal',
+        mealDescription: 'Unfortunately there is no description',
+      },
+      {
+        mealID: 2990,
+        mealName: 'this is a nice meal',
+        mealDescription: 'Unfortunately there is no description',
+      },
+    );
+    const mealLength = counter.meals(mealArray);
+    expect(mealLength).toBe(4);
+  });
+});
