contains function and testing contains function

Author: Nataliia74

Sprint-2/implement/contains.js

@@ -1,3 +1,20 @@
-function contains() {}
+function contains(object, property) {
+  for (const key of Object.keys(object)) {
+    if (key === property) {
+      console.log(`${object[key]}`);
+      return true;
+    }
+  }
+  return false;
+}
+
+const profile = {
+  name: "Gita",
+  age: 22,
+  school: "Leith Academy",
+};
+
+const result = contains(profile, "age");
+console.log(result);
 
 module.exports = contains;

Sprint-2/implement/contains.test.js

@@ -16,20 +16,54 @@ as the object doesn't contains a key of 'c'
 // Given a contains function
 // When passed an object and a property name
 // Then it should return true if the object contains the property, false otherwise
+describe("edge cases of the contains function", () => {
+  test("contains an object and property and returns true", () => {
+    const currentOutput = contains({ property: "value" }, "property");
+    const targetOutput = true;
+    expect(currentOutput).toEqual(targetOutput);
+  });
+});
 
 // Given an empty object
 // When passed to contains
 // Then it should return false
-test.todo("contains on empty object returns false");
+describe("edge cases of the contains function", () => {
+  test("contains on empty object returns false", () => {
+    const currentOutput = contains({}, "property");
+    const targetOutput = false;
+    expect(currentOutput).toEqual(targetOutput);
+  });
+});
 
 // Given an object with properties
 // When passed to contains with an existing property name
 // Then it should return true
+describe("edge cases of the contains function", () => {
+  test("contains an object and property and returns true", () => {
+    const currentOutput = contains({ property: "value" }, "property");
+    const targetOutput = true;
+    expect(currentOutput).toEqual(targetOutput);
+  });
+});
 
 // Given an object with properties
 // When passed to contains with a non-existent property name
 // Then it should return false
+describe("edge cases of the contains function", () => {
+  test("contains an object and property and returns true", () => {
+    const currentOutput = contains({ property: "value" }, "lava");
+    const targetOutput = false;
+    expect(currentOutput).toEqual(targetOutput);
+  });
+});
 
 // Given invalid parameters like an array
 // When passed to contains
 // Then it should return false or throw an error
+describe("edge cases of the contains function", () => {
+  test("contains an object and property and returns true", () => {
+    const currentOutput = contains([], "property");
+    const targetOutput = false;
+    expect(currentOutput).toEqual(targetOutput);
+  });
+});

Sprint-2/implement/lookup.js

@@ -1,5 +1,16 @@
-function createLookup() {
-  // implementation here
+function createLookup(arr) {
+  // const arr1 =
+  // const arr2 =
+  for (let i = 0; i < arr.length; i++) {
+    let newArray = countryCurrencyPairs[i];
+    console.log(newArray);
+  }
+  return newArray;
 }
 
+const countryCurrencyPairs = [
+  ["US", "USD"],
+  ["CA", "CAD"],
+];
+const result = createLookup(countryCurrencyPairs);
 module.exports = createLookup;