Task6

.gitignore

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-.DS_Store
+.DS_Store
+/node_modules

__tests__/sum.test.js

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+// sum.test.js
+
+test('adds 1 + 2 to equal 3', () => {
+  // TODO
+});

__tests__/unit.test.js

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+// unit.test.js
+
+import {
+  isPhoneNumber,
+  isEmail,
+  isStrongPassword,
+  isDate,
+  isHexColor,
+} from '../code-to-unit-test/unit-test-me';
+
+// TODO - Part 2

code-to-unit-test/sum.js

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+export function sum(a, b) {
+  return a + b;
+}

code-to-unit-test/unit-test-me.js

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+// matches valid phone numbers
+export function isPhoneNumber(phoneNumber) {
+  const phoneRegex = /((\(\d{3}\) ?)|(\d{3}-))?\d{3}-\d{4}/;
+  return phoneRegex.test(phoneNumber);
+}
+
+// matches valid emails
+export function isEmail(email) {
+  const emailRegex = /^\w+@[a-zA-Z_]+?\.[a-zA-Z]{2,3}$/;
+  return emailRegex.test(email);
+}
+
+/**
+ * The password's first character must be a letter, it must contain at least * 4 characters and no more than 15 characters and no characters other than * * letters, numbers and the underscore may be used
+ */
+export function isStrongPassword(password) {
+  const pwRegex = /^[a-zA-Z]\w{3,14}$/;
+  return pwRegex.test(password);
+}
+
+// 	This regular expressions matches dates of the form XX / XX / YYYY where
+// XX can be 1 or 2 digits long and YYYY is always 4 digits long.
+export function isDate(date) {
+  const dateRegex = /^\d{1,2}\/\d{1,2}\/\d{4}$/;
+  return dateRegex.test(date);
+}
+
+// Matches valid 3 or 6 character hex codes used for HTML or CSS.
+export function isHexColor(color) {
+  const colorRegex = /^\#?[A-Fa-f0-9]{3}([A-Fa-f0-9]{3})?$/;
+  return colorRegex.test(color);
+}