Merge pull request #6 from guillemontecinos/master

add fahrenheit2Celcius functions

Author: shiffman

sketch.js

@@ -1,3 +1,5 @@
+// adding something to see if it will force a build
+
 function sum(a, b) {
   return a + b;
 }
@@ -29,6 +31,10 @@ function anomalyCode(x) {
   return '5' + x - x;
 }
 
+
+function fahrenheit2Celcius(F) {
+  return (F - 32) * 5 / 9;
+}
 function anomalyCode(x) {
   return '5' + x - x;
 }
@@ -51,6 +57,7 @@ module.exports = {
   sayHelloTo: sayHelloTo,
   answer: answer,
   anomalyCode: anomalyCode,
+  fahrenheit2Celcius: fahrenheit2Celcius,
   power: power,
   nOfFibonacci: nOfFibonacci
 }

sketch.test.js

@@ -1,8 +1,12 @@
-const { sum, sub, prod, digital_root, sum42, sayHelloTo, anomalyCode, power, nOfFibonacci } = require('./sketch');
+
+const { sum, sub, prod, digital_root, sum42, sayHelloTo, anomalyCode, fahrenheit2Celcius, power, nOfFibonacci } = require('./sketch');
+
+
 const fs = require("fs");
 const path = require("path");
 const fetch = require("node-fetch");
 
+
 // test('adds 1 + 2 to equal 3', () => {
 //   expect(sum(1, 2)).toBe(3);
 // });
@@ -97,6 +101,18 @@ test('anomalyCode thousand should be 50000', () => {
   expect(anomalyCode(7891)).toBe(50000);
 })
 
+test('fahrenheit2Celcius function exists', () => {
+  expect(fahrenheit2Celcius(1)).toBeDefined();
+})
+
+test('fahrenheit2Celcius 32 F should be 0 C', () => {
+  expect(fahrenheit2Celcius(32)).toBe(0);
+})
+
+test('fahrenheit2Celcius 50 F should be 10 C', () => {
+  expect(fahrenheit2Celcius(50)).toBe(10);
+})
+
 test('power of one number', () => {
   expect(power(2, 2)).toBe(4);
 })
@@ -128,4 +144,4 @@ it('tests url avaliability in README.md', async () => {
   let [testCount, testFunc] = testUrlInMarkdown("README.md");
   jest.setTimeout(testCount * 5000);
   return await testFunc();
-});
+});