Testing serverless apps

Talk from HolyJS 2017 conference in Moscow.
https://holyjs-moscow.ru/talks/5hfhepewii0iesi46gmgou/

Transcript

1. TESTING SERVERLESS APPS
2. !TMPCPEBO@ I am Slobodan Stojanović CTO of Cloud Horizon JS Belgrade meetup organizer
3. !TMPCPEBO@ Serverless apps with Node and Claudia.js CZ
   .BOOJOH
   1VCMJDBUJPOT IUUQTCJUMZTFSWFSMFTTCPPL 
   PGG
   VTJOH
   DUXIPMZKT
   DPEF
4. !TMPCPEBO@ Why software testing is important?
5. !TMPCPEBO@
6. !TMPCPEBO@ Types of software testing
7. !TMPCPEBO@ ↟6OJU
   UFTUJOH ↟*OUFHSBUJPO
   5FTUJOH ↟'VODUJPOBM
   5FTUJOH ↟4USFTT
   5FTUJOH ↟1FSGPSNBODF
   5FTUJOH ↟6TBCJMJUZ
   5FTUJOH ↟"DDFQUBODF
   5FTUJOH ↟3FHSFTTJPO
   5FTUJOH ↟NBOZ
   PUIFS
   UZQFT
8. !TMPCPEBO@ How do we test a serverless function?
9. !TMPCPEBO@ How do we test a serverless function?
10. !TMPCPEBO@ ↟8SJUF
    UFTU ↟$IFDL
    JG
    JU
    GBJMT ↟8SJUF
    DPEF ↟.BLF
    UIF
    UFTU
    HSFFO ↟*UFSBUF
11. !TMPCPEBO@
12. !TMPCPEBO@ ↟8SJUF
    UIF
    DPEF ↟3VO
    JU
    MPDBMMZ ↟"EKVTU
    BOE
    SVO
    NVMUJQMF
    UJNFT ↟"EE
    CBTJD
    UFTUT
    JG
    XF
    IBWF
    UJNF
13. !TMPCPEBO@ &YBNQMF
 'BDUPSJBM
    GVODUJPO
    
 
    
    
    
    
    
    
    
    
    
    
    
    
14. !TMPCPEBO@ function factorial(n) { if (typeof n !== 'number') { throw new TypeError() } if (n === 0) { return 1 } return n * factorial(n - 1) }
15. !TMPCPEBO@ 5FTU
16. !TMPCPEBO@ describe('Factorial', () => { it('should throw an error if it receives anything but number', () => { expect(() => factorial()).toThrow() expect(() => factorial('A')).toThrow() expect(() => factorial([])).toThrow() }) it('should return 1 if 0 is passed', () => { expect(factorial(0)).toBe(1) }) it('should work :D', () => { expect(factorial(5)).toBe(120) }) })
17. !TMPCPEBO@
18. !TMPCPEBO@ "SF
    UIPTF
    UFTUT
    HPPE
19. !TMPCPEBO@
20. !TMPCPEBO@ • factorial(-1) • factorial(NaN) • factorial(Infinity)
21. !TMPCPEBO@ How do we test a serverless function?
22. !TMPCPEBO@ How do we test a serverless function?
23. !TMPCPEBO@ What is serverless?
24. !TMPCPEBO@ 4FSWFSMFTT
    JT
    B
    DMPVE
    DPNQVUJOH
    FYFDVUJPO
    NPEFM
    JO
    XIJDI
    UIF
    DMPVE
    QSPWJEFS
    EZOBNJDBMMZ
    NBOBHFT
    UIF
    SFTPVSDFT
25. !TMPCPEBO@ 8JUI
    TFSWFSMFTT
    ZPV
    PVUTPVSDF
    JOGSBTUSVDUVSF
    BOE
    TDBMJOH
    UP
    TFSWFSMFTT
    QSPWJEFS
    BOE
    GPDVT
    POMZ
    PO
    ZPVS
    CVTJOFTT
    MPHJD
26. !TMPCPEBO@ 4FSWFSMFTT
    BQQ
    DPTUT
    ZPV
    OPUIJOH
    JG
    OPPOF
    JT
    VTJOH
    JU
27. !TMPCPEBO@ ↟"NB[PO
    "84
    -BNCEB ↟.JDSPTPGU
    "[VSF
    'VODUJPOT ↟(PPHMF
    $MPVE
    'VODUJPOT ↟*#.
    0QFO8IJTL
    GVODUJPOT ↟BOE
    NPSF
28. !TMPCPEBO@ #VU
    TFSWFSMFTT
    JT
    OPU
    KVTU
    BCPVU
    GVODUJPOT
    5IFSF
    BSF
    TFSWFSMFTT
    TUPSBHF
    4 TFSWFSMFTT
    %#
    %ZOBNP%#
    BOE
    TFSWFSMFTT
    "VSPSB
    TFSWFSMFTT
    BVUI
    "84
    $PHOJUP
    FUD
29. !TMPCPEBO@ How serverless affects testing?
30. !TMPCPEBO@ 5FTUJOH
    QZSBNJE
31. !TMPCPEBO@
32. !TMPCPEBO@ 5FTUJOH
    JDFDSFBN
    DPOF
33. !TMPCPEBO@
34. !TMPCPEBO@ 5FTUJOH
    MPMMJQPQ
35. !TMPCPEBO@
36. !TMPCPEBO@ 4UJMM
    CFUUFS
    UIBO
    OP
    UFTUJOH
    BU
    BMM
37. !TMPCPEBO@
38. !TMPCPEBO@ How serverless affects testing pyramid?
39. !TMPCPEBO@ 8IZ
    TFSWFSMFTT
    IBT
    BOZ
    JNQBDU
    PO
    UFTUJOH
40. !TMPCPEBO@ ↟$IFBQFS
    JOGSBTUSVDUVSF ↟"VUPTDBMJOH ↟0VUTPVSDJOH
    SFTQPOTJCJMJUJFT ↟3JTL
    TIJGU
41. !TMPCPEBO@ 4FSWFSMFTT
    UFTUJOH
    QZSBNJE
42. !TMPCPEBO@
43. !TMPCPEBO@ 5SBEFPGGT
44. !TMPCPEBO@ 5SBEFPGGT
    BSF
    PL
    0VS
    KPC
    JT
    OPU
    DPEJOH
    PVS
    KPC
    JT
    UP
    OFHPUJBUF
    UIF
    CFTU
    TFU
    PG
    USBEFPGGT
    CFUXFFO
    CVTJOFTT
    SFRVJSFNFOUT
    BOE
    UFDIOPMPHZ
    UP
    EFMJWFS
    HPPE
    QSPEVDUT
    
45. !TMPCPEBO@ Risk shift
46. !TMPCPEBO@ 8IFSF
    JT
    UIF
    SJTL
    OPX
47. !TMPCPEBO@ /PU
    SFBMMZ
    BU
    UIF
    VOJU
    MFWFM
48. !TMPCPEBO@ ↟-FTT
    DPOUSPM
    PWFS
    JOGSBTUSVDUVSF ↟$IBOHFT
    JO
    TFSWFSMFTT
    QSPWJEFS
    "1*T
49. !TMPCPEBO@ Tools
50. !TMPCPEBO@ 6TF
    BOZUIJOH
    UIBU
    ZPV
    BSF
    BMSFBEZ
    VTJOH
51. !TMPCPEBO@ 'PS
    FYBNQMF
    +BTNJOF
    PS
    .PDIB
    GPS
    /PEFKT
52. !TMPCPEBO@ Serverless testing examples
53. !TMPCPEBO@ What are we testing?
54. !TMPCPEBO@
55. !TMPCPEBO@ . ├── api.js ├── config │ └── env.json ├── data │ └── pizzas.json ├── handlers │ ├── create-order.js │ ├── delete-order.js │ ├── get-pizzas.js │ └── … ├── node_modules ├── package.json └── spec ├── handlers │ └── … └── support ├── jasmine-runner.js └── jasmine.json
56. !TMPCPEBO@ Setup
57. !TMPCPEBO@ { "spec_dir": "spec", "spec_files": [ "**/*[sS]pec.js" ], "helpers": [ "helpers/**/*.js" ] } /spec/support/jasmine.json
58. !TMPCPEBO@ /spec/support/jasmine-runner.js /* global jasmine */ 'use strict' const Jasmine = require('jasmine') const SpecReporter = require('jasmine-spec-reporter').SpecReporter const jrunner = new Jasmine() let filter process.argv.slice(2).forEach(option => { if (option === 'full') { // Remove default reporter logs jrunner.configureDefaultReporter({ print() {} }) // Add jasmine-spec-reporter jasmine.getEnv().addReporter(new SpecReporter()) } if (option.match('^filter=')) filter = option.match('^filter=(.*)')[1] }) // Load configuration from jasmine.json jrunner.loadConfigFile() jrunner.execute(undefined, filter)
59. !TMPCPEBO@ /spec/support/jasmine-runner.js /* global jasmine */ 'use strict' const Jasmine = require('jasmine') const SpecReporter = require('jasmine-spec-reporter').SpecReporter const jrunner = new Jasmine() let filter process.argv.slice(2).forEach(option => { if (option === 'full') { // Remove default reporter logs jrunner.configureDefaultReporter({ print() {} }) // Add jasmine-spec-reporter jasmine.getEnv().addReporter(new SpecReporter()) } if (option.match('^filter=')) filter = option.match('^filter=(.*)')[1] }) // Load configuration from jasmine.json jrunner.loadConfigFile() jrunner.execute(undefined, filter)
60. !TMPCPEBO@ /spec/support/jasmine-runner.js /* global jasmine */ 'use strict' const Jasmine = require('jasmine') const SpecReporter = require('jasmine-spec-reporter').SpecReporter const jrunner = new Jasmine() let filter process.argv.slice(2).forEach(option => { if (option === 'full') { // Remove default reporter logs jrunner.configureDefaultReporter({ print() {} }) // Add jasmine-spec-reporter jasmine.getEnv().addReporter(new SpecReporter()) } if (option.match('^filter=')) filter = option.match('^filter=(.*)')[1] }) // Load configuration from jasmine.json jrunner.loadConfigFile() jrunner.execute(undefined, filter)
61. !TMPCPEBO@ /spec/support/jasmine-runner.js /* global jasmine */ 'use strict' const Jasmine = require('jasmine') const SpecReporter = require('jasmine-spec-reporter').SpecReporter const jrunner = new Jasmine() let filter process.argv.slice(2).forEach(option => { if (option === 'full') { // Remove default reporter logs jrunner.configureDefaultReporter({ print() {} }) // Add jasmine-spec-reporter jasmine.getEnv().addReporter(new SpecReporter()) } if (option.match('^filter=')) filter = option.match('^filter=(.*)')[1] }) // Load configuration from jasmine.json jrunner.loadConfigFile() jrunner.execute(undefined, filter)
62. !TMPCPEBO@ /spec/support/jasmine-runner.js /* global jasmine */ 'use strict' const Jasmine = require('jasmine') const SpecReporter = require('jasmine-spec-reporter').SpecReporter const jrunner = new Jasmine() let filter process.argv.slice(2).forEach(option => { if (option === 'full') { // Remove default reporter logs jrunner.configureDefaultReporter({ print() {} }) // Add jasmine-spec-reporter jasmine.getEnv().addReporter(new SpecReporter()) } if (option.match('^filter=')) filter = option.match('^filter=(.*)')[1] }) // Load configuration from jasmine.json jrunner.loadConfigFile() jrunner.execute(undefined, filter)
63. !TMPCPEBO@ /spec/support/jasmine-runner.js /* global jasmine */ 'use strict' const Jasmine = require('jasmine') const SpecReporter = require('jasmine-spec-reporter').SpecReporter const jrunner = new Jasmine() let filter process.argv.slice(2).forEach(option => { if (option === 'full') { // Remove default reporter logs jrunner.configureDefaultReporter({ print() {} }) // Add jasmine-spec-reporter jasmine.getEnv().addReporter(new SpecReporter()) } if (option.match('^filter=')) filter = option.match('^filter=(.*)')[1] }) // Load configuration from jasmine.json jrunner.loadConfigFile() jrunner.execute(undefined, filter)
64. !TMPCPEBO@ Unit tests
65. !TMPCPEBO@ (FU
    QJ[[BT
    IBOEMFS
66. !TMPCPEBO@ 'use strict' const listOfPizzas = require('../data/pizzas.json') function getPizzas(pizzaId) { if (!pizzaId) return listOfPizzas const pizza = listOfPizzas.find((pizza) => { return pizza.id == pizzaId }) if (pizza) return pizza throw `The pizza you requested was not found` } module.exports = getPizzas /handlers/get-pizzas.js
67. !TMPCPEBO@ 'use strict' const listOfPizzas = require('../data/pizzas.json') function getPizzas(pizzaId) { if (!pizzaId) return pizzas const pizza = pizzas.find((pizza) => { return pizza.id == pizzaId }) if (pizza) return pizza throw `The pizza you requested was not found` } module.exports = getPizzas /handlers/get-pizzas.js
68. !TMPCPEBO@ 'use strict' const listOfPizzas = require('../data/pizzas.json') function getPizzas(pizzaId, pizzas) { pizzas = pizzas || listOfPizzas if (!pizzaId) return pizzas const pizza = pizzas.find((pizza) => { return pizza.id == pizzaId }) if (pizza) return pizza throw `The pizza you requested was not found` } module.exports = getPizzas /handlers/get-pizzas.js
69. !TMPCPEBO@ 8IBU
    TIPVME
    XF
    UFTU
70. !TMPCPEBO@ 'use strict' const listOfPizzas = require('../data/pizzas.json') function getPizzas(pizzaId, pizzas) { pizzas = pizzas || listOfPizzas if (!pizzaId) return pizzas const pizza = pizzas.find((pizza) => { return pizza.id == pizzaId }) if (pizza) return pizza throw `The pizza you requested was not found` } module.exports = getPizzas /handlers/get-pizzas.js
71. !TMPCPEBO@ 'use strict' const listOfPizzas = require('../data/pizzas.json') function getPizzas(pizzaId, pizzas) { pizzas = pizzas || listOfPizzas if (!pizzaId) return pizzas const pizza = pizzas.find((pizza) => { return pizza.id == pizzaId }) if (pizza) return pizza throw `The pizza you requested was not found` } module.exports = getPizzas /handlers/get-pizzas.js
72. !TMPCPEBO@ 'use strict' const listOfPizzas = require('../data/pizzas.json') function getPizzas(pizzaId, pizzas) { pizzas = pizzas || listOfPizzas if (!pizzaId) return pizzas const pizza = pizzas.find((pizza) => { return pizza.id == pizzaId }) if (pizza) return pizza throw `The pizza you requested was not found` } module.exports = getPizzas /handlers/get-pizzas.js
73. !TMPCPEBO@ 5FTU
74. !TMPCPEBO@ /spec/handlers/get-pizzas.js /* global describe, it, expect */ 'use strict' const underTest = require('../../handlers/get-pizzas') const pizzas = [{ id: 1, name: 'Capricciosa' }] describe('Get pizzas handler', () => { it('should return the list of all pizzas', () => { expect(underTest(undefined, pizzas)).toEqual(pizzas) }) it('should return the pizza with the given ID', () => { expect(underTest(1, pizzas)).toEqual(pizzas[0]) }) it('should throw an error if non-existing ID is passed', () => { expect(() => underTest(42, pizzas)).toThrow('...') }) })
75. !TMPCPEBO@ /spec/handlers/get-pizzas.js /* global describe, it, expect */ 'use strict' const underTest = require('../../handlers/get-pizzas') const pizzas = [{ id: 1, name: 'Capricciosa' }] describe('Get pizzas handler', () => { it('should return the list of all pizzas', () => { expect(underTest(undefined, pizzas)).toEqual(pizzas) }) it('should return the pizza with the given ID', () => { expect(underTest(1, pizzas)).toEqual(pizzas[0]) }) it('should throw an error if non-existing ID is passed', () => { expect(() => underTest(42, pizzas)).toThrow('...') }) })
76. !TMPCPEBO@ /spec/handlers/get-pizzas.js /* global describe, it, expect */ 'use strict' const underTest = require('../../handlers/get-pizzas') const pizzas = [{ id: 1, name: 'Capricciosa' }] describe('Get pizzas handler', () => { it('should return the list of all pizzas', () => { expect(underTest(undefined, pizzas)).toEqual(pizzas) }) it('should return the pizza with the given ID', () => { expect(underTest(1, pizzas)).toEqual(pizzas[0]) }) it('should throw an error if non-existing ID is passed', () => { expect(() => underTest(42, pizzas)).toThrow('...') }) })
77. !TMPCPEBO@ /spec/handlers/get-pizzas.js /* global describe, it, expect */ 'use strict' const underTest = require('../../handlers/get-pizzas') const pizzas = [{ id: 1, name: 'Capricciosa' }] describe('Get pizzas handler', () => { it('should return the list of all pizzas', () => { expect(underTest(undefined, pizzas)).toEqual(pizzas) }) it('should return the pizza with the given ID', () => { expect(underTest(1, pizzas)).toEqual(pizzas[0]) }) it('should throw an error if non-existing ID is passed', () => { expect(() => underTest(42, pizzas)).toThrow('...') }) })
78. !TMPCPEBO@ /spec/handlers/get-pizzas.js /* global describe, it, expect */ 'use strict' const underTest = require('../../handlers/get-pizzas') const pizzas = [{ id: 1, name: 'Capricciosa' }] describe('Get pizzas handler', () => { it('should return the list of all pizzas', () => { expect(underTest(undefined, pizzas)).toEqual(pizzas) }) it('should return the pizza with the given ID', () => { expect(underTest(1, pizzas)).toEqual(pizzas[0]) }) it('should throw an error if non-existing ID is passed', () => { expect(() => underTest(42, pizzas)).toThrow('...') }) })
79. !TMPCPEBO@ /spec/handlers/get-pizzas.js /* global describe, it, expect */ 'use strict' const underTest = require('../../handlers/get-pizzas') const pizzas = [{ id: 1, name: 'Capricciosa' }] describe('Get pizzas handler', () => { it('should return the list of all pizzas', () => { expect(underTest(undefined, pizzas)).toEqual(pizzas) }) it('should return the pizza with the given ID', () => { expect(underTest(1, pizzas)).toEqual(pizzas[0]) }) it('should throw an error if non-existing ID is passed', () => { expect(() => underTest(42, pizzas)).toThrow('...') }) })
80. !TMPCPEBO@
81. !TMPCPEBO@ "SF
    PVS
    UFTUT
    HPPE
82. !TMPCPEBO@ > getPizzas(0) > ?
83. !TMPCPEBO@ Service tests
84. !TMPCPEBO@ 'MPX
85. !TMPCPEBO@
86. !TMPCPEBO@ 0SEFS
    QJ[[B
    IBOEMFS
87. !TMPCPEBO@ 'use strict' const AWS = require('aws-sdk') const docClient = new AWS.DynamoDB.DocumentClient() const rp = require('minimal-request-promise') /handlers/create-order.js
88. !TMPCPEBO@ function createOrder(request) { const userData = request.context.authorizer.claims let userAddress = request.body && request.body.address if (!userAddress) { userAddress = JSON.parse(userData.address).formatted } if (!request.body || !request.body.pizza || userAddress) throw new Error('To order pizza please provide pizza type and address where pizza should be delivered')
89. !TMPCPEBO@ return rp.post( 'https://some-like-it-hot-api.effortlessserverless.com/delivery', { headers: { Authorization: process.env.deliveryToken, 'Content-type': 'application/json' }, body: JSON.stringify({ pickupTime: new Date(), pickupAddress: 'Aunt Maria Pizzeria', deliveryAddress: userAddress, webhookUrl: 'https://g8fhlgccof.execute-api.eu- central-1.amazonaws.com/latest/delivery', }) }) .then(rawResponse => JSON.parse(rawResponse.body))
90. !TMPCPEBO@ .then(response => { return docClient.put({ TableName: 'pizza-orders', Item: { cognitoUsername: userAddress['cognito:username'], orderId: response.deliveryId, pizza: request.body.pizza, address: userAddress, orderStatus: 'pending' } }).promise() }) } module.exports = createOrder
91. !TMPCPEBO@ 1SFQBSBUJPO
    GPS
    UFTUT
92. !TMPCPEBO@ /spec/helpers/fake-https-request.js /*global beforeEach, afterEach */ 'use strict' const fake = require('fake-http-request') beforeEach(() => fake.install('https')) afterEach(() => fake.uninstall('https'))
93. !TMPCPEBO@ 5FTUT
94. !TMPCPEBO@ /* global jasmine, describe, beforeAll, afterAll, it, expect */ 'use strict' const underTest = require('../../handlers/create-order') const AWS = require('aws-sdk') const dynamoDb = new AWS.DynamoDB({ apiVersion: '2012-08-10', region: 'eu-central-1' }) const https = require('https') const tableName = `pizzaOrderTest${new Date().getTime()}` jasmine.DEFAULT_TIMEOUT_INTERVAL = 60000 describe('Create order integration', () => { /* ... */ }) /spec/handlers/create-order-integration-test.js
95. !TMPCPEBO@ /* global jasmine, describe, beforeAll, afterAll, it, expect */ 'use strict' const underTest = require('../../handlers/create-order') const AWS = require('aws-sdk') const dynamoDb = new AWS.DynamoDB({ apiVersion: '2012-08-10', region: 'eu-central-1' }) const https = require('https') const tableName = `pizzaOrderTest${new Date().getTime()}` jasmine.DEFAULT_TIMEOUT_INTERVAL = 60000 describe('Create order integration', () => { /* ... */ }) /spec/handlers/create-order-integration-test.js
96. !TMPCPEBO@ /* global jasmine, describe, beforeAll, afterAll, it, expect */ 'use strict' const underTest = require('../../handlers/create-order') const AWS = require('aws-sdk') const dynamoDb = new AWS.DynamoDB({ apiVersion: '2012-08-10', region: 'eu-central-1' }) const https = require('https') const tableName = `pizzaOrderTest${new Date().getTime()}` jasmine.DEFAULT_TIMEOUT_INTERVAL = 60000 describe('Create order integration', () => { /* ... */ }) /spec/handlers/create-order-integration-test.js
97. !TMPCPEBO@ beforeAll(done => { // Test table params const params = { AttributeDefinitions: [{ AttributeName: 'orderId', AttributeType: 'S' }], KeySchema: [{ AttributeName: 'orderId', KeyType: 'HASH' }], TableName: tableName } // Create test table dynamoDb.createTable(params).promise() .then(() => dynamoDb.waitFor('tableExists', { TableName: tableName }).promise()) .then(done) .catch(done.fail) }) /spec/handlers/create-order-integration-test.js
98. !TMPCPEBO@ afterAll(done => { // Destroy test table dynamoDb.deleteTable({ TableName: tableName }).promise() .then(() => dynamoDb.waitFor('tableNotExists', { TableName: tableName }).promise()) .then(done) .catch(done.fail) }) /spec/handlers/create-order-integration-test.js
99. !TMPCPEBO@ it('should throw an error if request body is not valid', () => { expect(() => underTest()).toThrow() expect(() => underTest({ body: { pizza: 1 }, context: { authorizer: { claims: { address: '{}' }}} })).toThrow() expect(() => underTest({ context: { authorizer: { claims: { address: '{"formatted":"221b Baker Street"}' } } } })).toThrow() }) /spec/handlers/create-order-integration-test.js
100. !TMPCPEBO@ it('should contact Some Like It Hot delivery API', done => { underTest({ body: { pizza: 1, address: '221b Baker Street' }, context: { authorizer: { claims: { address: '{"formatted":"some address"}' } } } }) /spec/handlers/create-order-integration-test.js
101. !TMPCPEBO@ https.request.pipe(callOptions => { expect(callOptions).toEqual(jasmine.objectContaining({ method: 'POST', hostname: 'some-like-it-hot-api.effortlessserverless.com', path: '/delivery', protocol: 'https:', headers: { Authorization: 'aunt-marias-pizzeria-1234567890', 'Content-type': 'application/json' }, body: JSON.stringify({ pickupAddress: 'Aunt Maria Pizzeria', deliveryAddress: '221b Baker Street' }) })) done() }) }) /spec/handlers/create-order-integration-test.js
102. !TMPCPEBO@
103. !TMPCPEBO@ GUI tests
104. !TMPCPEBO@ 4FSWFSMFTT
     JT
     CBDLFOE
     XIZ
     BOE
     IPX
     EPFT
     JU
     BGGFDU
     (6*
     UFTUJOH
105. !TMPCPEBO@ $IFBQFS
     JOGSBTUSVDUVSF
     BOE
     GBTU
     BVUPTDBMJOH
     BMMPX
     VT
     UP
     QBSBMMFMJ[F
     (6*
     UFTU
     FYFDVUJPO
     1BSBMMFMJ[BUJPO
     NBLFT
     UIFN
     DIFBQ
     BOE
     NVDI
     GBTUFS
106. !TMPCPEBO@ 'PS
     FYBNQMF
     DIFDL
     "QQSBJTF
     IUUQBQQSBJTFRB
107. !TMPCPEBO@
108. !TMPCPEBO@ How does it work with CI?
109. !TMPCPEBO@ &BTZ
     CFDBVTF
     ZPV
     DBO
     IBWF
     NVMUJQMF
     FOWJSPONFOUT
     GPS
     BMNPTU
     UIF
     TBNF
     DPTU
110. !TMPCPEBO@ 'PS
     FYBNQMF
     XIFO
     DPEF
     JT
     QVTIFE
     UP
     EFW
     CSBODI
     SVO
     EFW
     $*
     KPC
     BOE
     EFQMPZ
     JU
     XJUI
     $MBVEJBKT
     GSPN
     $* AWS_ACCESS_KEY_ID=… \
 AWS_SECRET_ACCESS_KEY=… \
 claudia update --version dev
111. !TMPCPEBO@ Btw, I lied for local testing :)
112. !TMPCPEBO@ exports.handler = function (event, context) { console.log(event, context) context.succeed('hello world') }
113. !TMPCPEBO@
114. !TMPCPEBO@ 5IFSFT
     BMTP
     4".
     MPDBM
     JG
     ZPV
     BSF
     VTJOH
     "84
     4".
     IUUQTHJUIVCDPNBXTMBCTBXTTBNMPDBM
115. !TMPCPEBO@ Summary
116. !TMPCPEBO@ • Serverless apps testing works similar to non-serverless apps • Serverless decreases the price and speed up the test execution • Focus on business logic, also try testing the parts that are important and critical for your app • Most important, try to understand business requirements before coding and testing • Try serverless, it can make your life easier
117. !TMPCPEBO@
118. !TMPCPEBO@ Questions? @slobodan_ effortless-serverless.com/book
119. !TMPCPEBO@ Вопросы? @slobodan_ effortless-serverless.com/book 6TF
     DUXIPMZKT
     DPEF
     GPS
     
     PGG