Delete unused functions samples (#1334)

* Delete unused functions samples

functions/background/index.js

@@ -15,26 +15,6 @@
 
 'use strict';
 
-// [START functions_background_helloworld]
-/**
- * Background Cloud Function.
- *
- * @param {object} event The Cloud Functions event.
- * @param {object} event.data The event data.
- * @param {function} callback The callback function.
- */
-exports.helloWorld = (event, callback) => {
-  if (!event.data.myMessage) {
-    // This is an error case, "myMessage" is required
-    callback(new Error('No message defined!'));
-  } else {
-    // Everything is ok
-    console.log(event.data.myMessage);
-    callback();
-  }
-};
-// [END functions_background_helloworld]
-
 // [START functions_background_promise]
 const requestPromiseNative = require('request-promise-native');
 

functions/background/test/index.test.js

@@ -36,33 +36,6 @@ function getSample() {
 beforeEach(tools.stubConsole);
 afterEach(tools.restoreConsole);
 
-it('should echo message', () => {
-  const event = {
-    data: {
-      myMessage: 'hi',
-    },
-  };
-  const sample = getSample();
-  const callback = sinon.stub();
-
-  sample.program.helloWorld(event, callback);
-
-  assert.strictEqual(console.log.callCount, 1);
-  assert.deepStrictEqual(console.log.firstCall.args, [event.data.myMessage]);
-  assert.strictEqual(callback.callCount, 1);
-  assert.deepStrictEqual(callback.firstCall.args, []);
-});
-
-it('should say no message was provided', () => {
-  const error = new Error('No message defined!');
-  const callback = sinon.stub();
-  const sample = getSample();
-  sample.program.helloWorld({data: {}}, callback);
-
-  assert.strictEqual(callback.callCount, 1);
-  assert.deepStrictEqual(callback.firstCall.args, [error]);
-});
-
 it('should make a promise request', () => {
   const sample = getSample();
   const event = {

functions/concepts/index.js

@@ -35,28 +35,6 @@ exports.errorTypes = (req, res) => {
   }
   // [END functions_concepts_error_object]
 
-  const someCondition = !!req.body.throwAsString;
-
-  /* eslint-disable no-throw-literal */
-  // [START functions_concepts_error_unknown]
-  try {
-    // Throw an unknown error type
-    if (someCondition) {
-      throw 'Error string!';
-    } else {
-      throw new Error('Error object!');
-    }
-  } catch (err) {
-    // Determine the error type
-    if (err instanceof Error) {
-      console.error(err);
-    } else {
-      console.error(new Error(err));
-    }
-  }
-  // [END functions_concepts_error_unknown]
-  /* eslint-enable no-throw-literal */
-
   res.end();
 };
 

functions/concepts/test/index.test.js

@@ -26,19 +26,10 @@ afterEach(tools.restoreConsole);
 
 it('should demonstrate error type behavior', () => {
   const objError = new Error('Error object!');
-  const strError = new Error('Error string!');
 
   const req = {body: {throwAsString: true}};
   const res = {end: sinon.stub()};
 
-  // Test throwing both objects and strings
   sample.errorTypes(req, res);
   assert.deepStrictEqual(console.error.getCall(0).args, [objError]);
-  assert.deepStrictEqual(console.error.getCall(1).args, [strError]);
-
-  // Test throwing objects only
-  req.body.throwAsString = false;
-  sample.errorTypes(req, res);
-  assert.deepStrictEqual(console.error.getCall(2).args, [objError]);
-  assert.deepStrictEqual(console.error.getCall(3).args, [objError]);
 });