Software Development Cross Solution - Index of - Free

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100% coverage All three of these tests cover the code before the if statement. 1 public class RemoteReader implements Runnable { boolean[] checkboxState = null; String nameToShow = null; Object obj = null; public void run() { try { 262 Chapter 7 Below is some code from the BeatBox Pro application. Your job was to come up with tests to get 100% coverage on this code...or as close to it as you can get. while ((obj = in.readObject()) != null) { System.out.println(“got an object from server”); System.out.println(obj.getClass()); String nameToShow = (String) 2 obj; checkboxState = (boolean[]) in.readObject(); if (nameToShow.equals(PICTURE_START_SEQUENCE)) { receiveJPEG(); } else { if (nameToShow.equals(POKE_START_SEQUENCE)) { playPoke(); 3 nameToShow = “Hey! Pay attention.”; } otherSeqsMap.put(nameToShow, checkboxState); listVector.add(nameToShow); incomingList.setListData(listVector); // now reset the sequence to be this } } // close while } catch (Exception ex) { ex.printStackTrace(); } } // close run } // close inner class 4 Did we get 100% coverage? What else would you test? How? We didn’t test the exception-handling code, so we’d need to create exceptional situations. We also didn’t test the GUI at all—that would take someone playing with the interface. @Test public void testNormalMessage()throws IOException { boolean[] checkboxState = new boolean[256]; checkboxState[0] = true; checkboxState[5] = true; checkboxState[19] = true; mOutStream.writeObject(“This is a test message!”); mOutStream.writeObject(checkboxState); } Download at WoweBook.Com @Test public void testPictureMessage()throws IOException { mOutStream.writeObject(PICTURE_START_SEQUENCE); mOutStream.writeObject(EMPTY_CHECKBOXES); sendJPEG(TEST_JPEG_FILENAME); } @Test public void testPoke()throws IOException { mOutStream.writeObject(POKE_START_SEQUENCE); mOutStream.writeObject(EMPTY_CHECKBOXES); } This test exercises multiple chunks of code. In fact, most tests aren’t isolated to just a few lines, even though it might be the only test that covers those few lines.
Standup meeting Ok, so if we test every single method, we’ll have 100% coverage, right? testing and continuous integration Mark: No, I don’t think so; running every method doesn’t mean every line of each method will run. We need to have different kinds of tests to get to all the different error conditions and branches. Laura: Wow...so I guess every variation of every method should have a separate test? Bob: But how are we going to do all that? We’ll have to make up all kinds of bogus data to get every weird error condition. That could take forever... Mark: And that’s not all. We’ve got to try things like pulling the network plug at some point to test what happens if the network goes down and I/O problems crop up. Bob: You don’t think that’s going a little too far? Mark: Well, if we want to catch all of the corner cases and every bit of exception handling... Laura: But a lot of that stuff never really happens... Bob: Then why did I bother to write all that exception-handling code? I’ve got all kinds of logging and reconnection code in my methods. Now you’re saying I didn’t need to write that? Mark: You did, but— Laura: This is impossible! Download at WoweBook.Com you are here 4 263
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Download at WoweBook.Com
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Praise for Head First Object-Orient
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Other related books from O’Reilly
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Head First Software Development by
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the authors Author(s) of Head First
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table of contents x 1 If The Goal g
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table of contents xii 3 project pla
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table of contents xiv 5 good-enough
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table of contents xvi 6 / It buildi
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table of contents xviii 8 Sometimes
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table of contents xx 10 Think the n
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table of contents xxii 12 You’ve
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table of contents xxiv ii appendix
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how to use this book Who is this bo
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how to use this book xxviii intro W
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how to use this book Here’s what
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how to use this book Read Me This i
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the review team The technical revie
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safari books online Safari® Books
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Tom’s Trails Tom’s Trails is go
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the Big Bang approach The Big Bang
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the Big Bang ends with a big mess B
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great software development is... 8
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delivering with iteration Getting t
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an iteration delivers working softw
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an iteration is a complete developm
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uild a plan out of iterations and f
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deciding on a iteration tempo for y
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change happens The customer WILL ch
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handle change with iteration Iterat
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use the right process for you The r
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CHAPTER 1 your software development
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exercise solutions 28 Chapter 1 1 P
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orion’s orbits Orion’s Orbits i
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equirements start with customer ide
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capturing what’s in your customer
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getting more with role playing and
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customer-oriented requirements Our
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keep your customer in the loop Q: W
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user stories capture what your soft
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estimates come with assumptions 44
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assumptions kill confidence in your
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highlighting assumptions and obtain
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assumptions are killed or become ri
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use your customer effectively 52 Ch
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keep estimates small A BIG user sto
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aim for estimates you and your team
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your estimates are your promise Q:
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develop your estimates cyclically T
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sum your estimates to find out your
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when your project is too long 64 Ch
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deliver what you can, when it’s n
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priorities come from your customer
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Title: Description: Est: Title: 15
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factoring in team performance 76 Ch
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uilding achievable milestones Work
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your customer decides priority Titl
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milestone = paid, iteration = on tr
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continuously buildable and runnable
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inging reality to your plan 86 Chap
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velocity applies your real performa
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from ideal to real estimates Progra
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confidence comes at a price When is
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iterations with velocity The maximu
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eality means being honest Title: Es
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eaking realistic but bad news Manag
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introducing the big board The Big B
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happiness is a project that can be
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performance and burn down Work left
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introducing iSwoon Introducing iSwo
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eak up user stories into tasks Task
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tasks have estimates Your task desc
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tasks on your board Add your tasks
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moving tasks to in progress Start w
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multiple tasks at the same time Wha
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keep communication flowing with dai
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doing your first task Task 1: Creat
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inging your design to life with a s
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exercise solution The date is asked
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monitoring your progress Standup me
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updating your project board 132 Cha
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updating your project board 134 Cha
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into the second week Standup meetin
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detecting problems with the design
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surprises... 140 Chapter 4 We inter
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dealing with unplanned tasks If the
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velocity doesn’t account for surp
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you know where you are We have a lo
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meet velocity Head First: Welcome,
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inging iSwoon under control iSwoon
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detecting bad design ...you needed
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design refactoring The Date class c
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srp analysis Spotting multiple resp
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single responsibility It makes sens
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don’t repeat yourself Your design
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efactoring iSwoon’s design A date
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standup meeting The post-refactorin
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unplanned work Unplanned tasks are
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good-enough delivers “Good Enough
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end of iteration board When everyth
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exercises 172 Chapter 5 Take each o
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exercise solutions Unplanned tasks
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introducing beatbox pro You’ve go
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digging into code Here’s the code
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finish the story And now the GUI wo
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merging changes And Bob does the sa
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disaster recovery What went wrong?
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version control in action Let’s s
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1 2 creating a repository First set
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merging changes Most version contro
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identifying conflicts If your softw
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esolving conflicts Make these chang
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dealing with older code More iterat
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dealing with multiple releases We h
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viewing logs Good commit messages m
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tagging revisions (Emergency) stand
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anches and tags 1 Use the mkdir com
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working with branches Fixing Versio
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anches, tags, and subversion Q: I
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Page 254 and 255: CHAPTER 6 Development Techniques Us
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Page 258 and 259: uilding buildable software Develope
Page 260 and 261: introducing ant Ant: a build tool f
Page 262 and 263: more exercises 224 Chapter 6 ½ Are
Page 264 and 265: a full build script The javac task
Page 266 and 267: habits of good build scripts Good b
Page 268 and 269: even more build script tricks Good
Page 270 and 271: version control your build script Y
Page 272 and 273: CHAPTER 6 1/2 Development Technique
Page 274 and 275: it never rains but it pours Things
Page 276 and 277: lack box testing There are three wa
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Page 282 and 283: testing functionality BeatB These s
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Page 286 and 287: one-click testing Testing EVERYTHIN
Page 288 and 289: making the most of a framework Auto
Page 290 and 291: continuous integration For you and
Page 292 and 293: setting up continuous integration A
Page 294 and 295: tests only cover what you tell them
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Page 298 and 299: putting code to the test 260 Chapte
Page 302 and 303: using a coverage report Testing all
Page 304 and 305: the cost of testing Q: How do cover
Page 306 and 307: is 100% coverage efficient? 268 Cha
Page 308 and 309: an environment for testing 270 Chap
Page 310 and 311: exercise solutions 272 Chapter 7 Te
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Page 314 and 315: test before code Test FIRST, not la
Page 316 and 317: unit testing Your first test... The
Page 318 and 319: green means pass Get your tests to
Page 320 and 321: testing a user story’s functional
Page 322 and 323: implement a test in code import org
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Page 342 and 343: mock objects We need lots of differ
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test, red, code, green A day in the
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esults from an iteration Your itera
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daily standup meetings Standup Meet
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urn-down analysis 322 Chapter 9 Bef
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system testing System testing MUST
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incorporating system testing System
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issues with test iterations More it
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enabling communication 330 Chapter
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This is usually called acceptance t
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filing and fixing a bug The life (a
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ug trackers So you found a bug....
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learn from your iteration But there
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different project hurdles 340 Chapt
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iteration reviews Time for the iter
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other things to do A GENERAL priori
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CHAPTER 9 346 Chapter 9 Tools for y
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crossword solution 13 B 1 S Iterati
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an iteration finishes with more tha
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planning the next iteration You nee
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uilding your board for the next ite
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uilding your board for the next ite
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factoring in real velocity Q: A tea
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the customer still rules And it’s
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it’s still software Someone else
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integration tasks on your board Tit
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integrating third-party code How yo
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euse means trust too //... 368 Chap
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when reuse lets you down Testing yo
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trust no one Standup meeting 372 Ch
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looking for problems in reused sour
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finding problems in reused source c
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your process deals with it You with
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oken code happens � � � � Q
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exercise solutions 2 R 1 R 3 E S P
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At the end of the last chapter, thi
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always communicate First, you’ve
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prioritize what you do 388 Chapter
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ump some things for later 390 Chapt
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apply your process Priority one: ge
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focus on functionality We could fix
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test for bugs Figure out what funct
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think about estimating Even though
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spike tests Spike test to estimate
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estimate what’s left What do the
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factor in confidence Your team’s
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always communicate Give your custom
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apply other techniques Figure out w
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successful deliveries matter Things
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functionality wins most importantly
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CHAPTER 11 414 Chapter 11 Tools for
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crossword solution 10 F 15 H 5 P Bu
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software process defined Pinning do
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evaluate everything The big board 4
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ensure changes improve things The b
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formalize if necessary Formal attir
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other resources Some additional res
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CHAPTER 12 428 Chapter 12 Tools for
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exercise solutions 4 S 11 P 14 A So
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uml and class diagrams #1. UML clas
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sequence diagrams #2. Sequence diag
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user stories and use cases #3. User
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system testing vs. unit testing #4.
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CHAPTER 1 development techniques CH
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development principles Deliver soft
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the index building projects (contin
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the index H Head First Java BeatBox
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the index No Dumb Questions (contin
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the index singularly focused 152 so
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the index third-party code bugs in
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