Software Development Cross Solution - Index of - Free

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ug trackers So you found a bug.... No matter how hard you work at coding carefully, some bugs are going to slip through. Sometimes they’re programming errors; sometimes they’re just functional issues that no one picked up on when writing the user stories. Either way, a bug is an issue that you have to address. Bugs belong in a bug tracker The most important thing about dealing with bugs on a software project is making sure they get recorded and tracked. For the most part it doesn’t matter which bug tracking software you use; there are free ones like Bugzilla and Mantis or commercial ones like TestTrackPro and ClearQuest. The main thing is to make sure the whole team knows how to use whatever piece of software you choose. You should also use your tracker for more than just writing down the bug, too. Make sure you: 1 2 3 336 Chapter 9 Record and communicate priorities Bug trackers can record priority and severity information for bugs. One way to work this in with your board is to pick a priority level—say priority 1, for example—and all bugs of that priority level get turned into stories and prioritized with everything else for the next iteration. Any bugs below priority 1 stay where they are until you’re out of priority 1 bugs. Keep track of everything Bug trackers can record a history of discussion, tests, code changes, verification, and decisions about a bug. By tracking everything, your entire team knows what’s going on with a bug, how to test it, or what the original developer thought they did to fix it. Generate metrics Bug trackers can give you a great insight into what’s really going on with your project. What’s your new-bug submission rate? And is it going up or down? Do a significant number of bugs seem to come from the same area in the code? How many bugs are left to be fixed? What’s their priority? Some teams look for a zero-bug-bounce before even discussing a production release; that means all of the outstanding bugs are fixed (bug count at zero) before a release. We’ll talk more about delivering software in Chapter 12. Download at WoweBook.Com Bug trackers usually work off priorities like 1, 2, and 3, even though your user stories have priorities more like 10, 20, and 30.
Anatomy of a bug report Different bug tracking systems give you different templates for submitting a bug, but the basic elements are the same. As a general rule of thumb, the more information you can provide in a bug report, the better. Even if you work on a bug and don’t fix it, you should record what you’ve done, and any ideas about what else might need to be done. You—or another developer—might save hours by referring to that information when you come back to that bug later. A good bug report should have: Summary: Describe your bug in a sentence or so. This should be a detailed action phrase like “Clicking on received message throws ArrayOutOfBoundsException,” not something like “Exception thrown.” You should be able to read the summary and have a clear understanding of what the problem is. Steps to reproduce: Describe how you got this bug to happen. You might not always know the exact steps to reproduce it, but list everything you think might have contributed. If you can reproduce the bug, then explain the steps in detail: 1. Type “test message” into message box. 2. Click “sendIt.” 3. Click on the received message in the second application. What you expected to happen and what really did happen: Explain what you thought was going to happen, and then what actually did happen. This is particularly helpful in finding story or requirement problems where a user expected something that the developers didn’t know about. Version, platform, and location information: What version of the software were you using? If your application is web-based, what URL were you hitting? If the app’s installed on your machine, what kind of installation was it? A test build? A build you compiled yourself from the source code? Severity and priority: How bad is the impact of this bug? Does it crash the system? Is there data corruption? Or is it just annoying? How important is it that the bug gets fixed? Severity and priority are often two different things. It’s possible that something is severe (kills a user’s session or crashes the application) but happens in such a contrived situation (like the user has to have a particular antivirus program installed, be running as a non-Administrator user, and have their network die while downloading a file) that it’s a low-priority fix. ending an iteration What else would you want to see in a bug report? What kind of information would you want to see from the user? How about any kind of output from the system? Download at WoweBook.Com you are here 4 337
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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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avoiding unnecessary branches When
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214 Chapter 6 What version control
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CHAPTER 6 Development Techniques Us
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uilding buildable software Develope
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introducing ant Ant: a build tool f
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more exercises 224 Chapter 6 ½ Are
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a full build script The javac task
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habits of good build scripts Good b
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even more build script tricks Good
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version control your build script Y
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CHAPTER 6 1/2 Development Technique
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it never rains but it pours Things
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lack box testing There are three wa
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grey box testing Grey-box testing g
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white box testing was Below is a us
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testing functionality BeatB These s
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you create tests test for establish
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one-click testing Testing EVERYTHIN
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making the most of a framework Auto
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continuous integration For you and
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setting up continuous integration A
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tests only cover what you tell them
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tested code is completed code } 258
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putting code to the test 260 Chapte
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100% coverage All three of these te
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using a coverage report Testing all
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the cost of testing Q: How do cover
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is 100% coverage efficient? 268 Cha
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an environment for testing 270 Chap
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exercise solutions 272 Chapter 7 Te
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test before code Test FIRST, not la
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unit testing Your first test... The
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green means pass Get your tests to
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testing a user story’s functional
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implement a test in code import org
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Page 356 and 357: esults from an iteration Your itera
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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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