feat(contains): copy over tests from solution to spec file

Author: nik-rev

14_contains/contains.spec.js

@@ -1,15 +1,60 @@
-const contains = require('./contains');
+const contains = require("./contains");
 
-describe('contains', () => {
-  test('First test description', () => {
-    // Replace this comment with any other necessary code, and update the expect line as necessary
+describe("contains", () => {
+  const meaningOfLifeArray = [42];
+  const object = {
+    data: {
+      duplicate: "e",
+      stuff: {
+        thing: {
+          banana: NaN,
+          moreStuff: {
+            something: "foo",
+            answer: meaningOfLifeArray,
+          },
+        },
+      },
+      info: {
+        duplicate: "e",
+        magicNumber: 44,
+        empty: null,
+      },
+    },
+  };
 
-    expect(contains()).toBe('');
+  test("true if the provided number is a value within the object", () => {
+    expect(contains(object, 44)).toBe(true);
   });
-  
-  test.skip('Second test description', () => {
-    // Replace this comment with any other necessary code, and update the expect line as necessary
 
-    expect(contains()).toBe('');
+  test.skip("true if the provided string is a value within the object", () => {
+    expect(contains(object, "foo")).toBe(true);
+  });
+
+  test.skip("does not convert input string into a number when searching for a value within the object", () => {
+    expect(contains(object, "44")).toBe(false);
+  });
+
+  test.skip("false if the provided string is not a value within the object", () => {
+    expect(contains(object, "bar")).toBe(false);
+  });
+
+  test.skip("true if provided string is within the object, even if duplicated", () => {
+    expect(contains(object, "e")).toBe(true);
+  });
+
+  test.skip("true if the object contains the same object by reference", () => {
+    expect(contains(object, meaningOfLifeArray)).toBe(true);
+  });
+
+  test.skip("false if no matching object reference", () => {
+    expect(contains(object, [42])).toBe(false);
+  });
+
+  test.skip("true if NaN is a value within the object", () => {
+    expect(contains(object, NaN)).toBe(true);
+  });
+
+  test.skip("false if the provided value exists and is null", () => {
+    expect(contains(object, null)).toBe(true);
   });
 });