red, green, relax

Transcript

1. red green relax how automated testing can make your job more relaxing Tuesday, October 2, 12
2. testing Tuesday, October 2, 12
3. manual testing Tuesday, October 2, 12
4. at first I was like Tuesday, October 2, 12
5. but then I was like Tuesday, October 2, 12
6. testing Tuesday, October 2, 12
7. automated testing Tuesday, October 2, 12
8. make computers test your software Tuesday, October 2, 12
9. make computers test your software so you don’t have to Tuesday, October 2, 12
10. make computers test your software so you can relax Tuesday, October 2, 12
11. a test suite is a program that exercises your software to confirm that it works Tuesday, October 2, 12
12. a test suite is a program that exercises your software to confirm that it works so you don’t have to Tuesday, October 2, 12
13. a test suite is a program that exercises your software to confirm that it works so you can go skiing Tuesday, October 2, 12
14. a test suite is a program that exercises your software to confirm that it works so you can go golfing Tuesday, October 2, 12
15. a test suite is a program that exercises your software to confirm that it works so you can go drinking Tuesday, October 2, 12
16. a test suite is a program that exercises your software to confirm that it works so you can go relax Tuesday, October 2, 12
17. automated testing • ensures your software works • reduces bugs • protects against regressions • documents your code Tuesday, October 2, 12
18. automated testing • ensures your software works • reduces bugs • protects against regressions • documents your code • 1,000,000,000x faster* *scientific fact Tuesday, October 2, 12
19. kinds of tests Tuesday, October 2, 12
20. acceptance tests Tuesday, October 2, 12
21. uses your software like a user would Tuesday, October 2, 12
22. very high level Tuesday, October 2, 12
23. 1. go to this page Tuesday, October 2, 12
24. 2. fill out this form Tuesday, October 2, 12
25. 3. click the submit button Tuesday, October 2, 12
26. 4. did it do what it was supposed to? Tuesday, October 2, 12
27. cucumber Tuesday, October 2, 12
28. Feature: Calculator In order to perform calculations As a user I want to be able to add, subtract, multiply and divide numbers Scenario: Addition Given I am on the calculator page When I enter "1 + 1" And I press "Calculate" Then I should see "1 + 1 = 2" Tuesday, October 2, 12
29. Feature: Calculator In order to perform calculations As a user I want to be able to add, subtract, ! multiply and divide numbers Scenario: Addition Given I am on the calculator page When I enter "1 + 1" And I press "Calculate" Then I should see "1 + 1 = 2" Tuesday, October 2, 12
30. ensures your program, as a whole, works like it should Tuesday, October 2, 12
31. also known as an end-to-end test Tuesday, October 2, 12
32. unit tests Tuesday, October 2, 12
33. test small pieces of code Tuesday, October 2, 12
34. test small units of code Tuesday, October 2, 12
35. rspec Tuesday, October 2, 12
36. describe Calculator do it "can add numbers" do ! ! Calculator.calculate("1 + 1").should == 2 end end Tuesday, October 2, 12
37. ensures the individual components of your program work Tuesday, October 2, 12
38. test-driven development Tuesday, October 2, 12
39. let your tests guide your development Tuesday, October 2, 12
40. let your tests drive your development Tuesday, October 2, 12
41. it’s actually simple Tuesday, October 2, 12
42. specify what the code should do Tuesday, October 2, 12
43. then make it do that Tuesday, October 2, 12
44. then do it again Tuesday, October 2, 12
45. then do it again and again Tuesday, October 2, 12
46. then do it again and again and again Tuesday, October 2, 12
47. 1. write a failing test Tuesday, October 2, 12
48. 1. write a failing test it must fail Tuesday, October 2, 12
49. 2. make it pass Tuesday, October 2, 12
50. write minimal code to 2. make it pass Tuesday, October 2, 12
51. 3. make it better Tuesday, October 2, 12
52. refactor it until you can’t 3. make it better anymore Tuesday, October 2, 12
53. then do it again Tuesday, October 2, 12
54. then do it again and again Tuesday, October 2, 12
55. then do it again and again and again Tuesday, October 2, 12
56. acceptance tests + unit tests Tuesday, October 2, 12
57. inner loop unit tests outer loop acceptance tests Tuesday, October 2, 12
58. inner loop unit tests outer loop acceptance tests Tuesday, October 2, 12
59. write a failing acceptance test Tuesday, October 2, 12
60. write a failing unit test Tuesday, October 2, 12
61. make it pass Tuesday, October 2, 12
62. passing unit tests passing acceptance tests Tuesday, October 2, 12
63. tdd is not a development technique Tuesday, October 2, 12
64. tdd is a code design technique Tuesday, October 2, 12
65. write minimal code Tuesday, October 2, 12
66. small, testable units Tuesday, October 2, 12
67. big, testable codebase Tuesday, October 2, 12
68. big, tested codebase Tuesday, October 2, 12
69. change with confidence Tuesday, October 2, 12
70. confidence Tuesday, October 2, 12
71. confidence leads to Tuesday, October 2, 12
72. confidence moving fast leads to Tuesday, October 2, 12
73. confidence moving fast leads to leads to Tuesday, October 2, 12
74. confidence moving fast more features leads to leads to Tuesday, October 2, 12
75. confidence moving fast more features leads to leads to leads to Tuesday, October 2, 12
76. confidence moving fast more features happy clients leads to leads to leads to Tuesday, October 2, 12
77. confidence moving fast more features happy clients leads to leads to leads to leads to Tuesday, October 2, 12
78. confidence moving fast more features happy clients happy imulus leads to leads to leads to leads to Tuesday, October 2, 12
79. confidence moving fast more features happy clients happy imulus leads to leads to leads to leads to leads to Tuesday, October 2, 12
80. more skiing Tuesday, October 2, 12
81. more golfing Tuesday, October 2, 12
82. more drinking Tuesday, October 2, 12
83. more relaxing Tuesday, October 2, 12