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How to log bugs the Google way: The ACC Methodology

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In our webinar session, “How To log bugs the Google way”, we have covered the testing strategies used by Google to successfully test their software products. The webinar gives insights on how Google uses the ACC model to test its products and develop app features.

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How to log bugs the Google way: The ACC Methodology

  1. 1. Bharath.S & Pankaj Agarwal• 24.11.2016 How to log bugs the Google way
  2. 2. ACC Attribute, Component, Capabilities What is ACC? The planning of tests should put us in a position to know what test cases need to be written. Components perform some function to satisfy an attribute of the product and the result of this interaction is providing capability to a user. ACC helps the planner through three views of a product a. Attributes that describe the product's purpose and goals b. Components that identify the various parts c. Capabilities that indicate what the product actually does
  3. 3. ACC Design - Points to remember 1. Just the facts 2. This is not a marketing document 3. No story writing 4. Should be actionable 5. Planner’s guide 6. Directs to test cases
  4. 4. A = Attribute Attributes are those that describes the product's purpose and goals Adjectives: Adjectives describe nouns by giving some information about an object's size, shape, age, color, origin or material. You should be able to come up with a list of attributes if you can answer the following 1. What the product does to support the core reasons for the product existance 2. Why is it so interesting to customers 3. Qualities that promote the product and distinguish from the competition Example: Attributes for any wallets can be - Secure, Easy, Reliable, Configurable etc., Tips for coming up with attributes: Keep it simple i.e you should not spend hours getting the list of attributes Keep it accurate: Should come from a reliable source or reviewed, approved and accepted by the team Keep it moving: The list might increase as you use the ACC table, do not wait to make it perfect Keep it short: There should not be more than 12 attributes
  5. 5. C = Components Components are the building blocks that together constitute the system. Nouns: A noun is a part of speech that denotes a person, animal, place, thing, or idea You should be able to come up with a list of component if 1. You have the updated design document 2. You have access to the application 3. You can go and ask each and every developer on the component/feature that they are working upon Example: Signup, Login, Settings, Search, Cart, Payment etc Tips for coming up with attributes: 1. Choose the major features and not all the features in the application 2. Keep the list small, 10 is good and 20 is many
  6. 6. C = Capabilities Capabilities represent the actions the system perform based on the command, input, activities that a user is trying to achieve in the application. These are the intersection of component and attributes. Verb: a word used to describe an action, state, or occurrence, and forming the main part of the predicate of a sentence, such as hear, become, happen. You should be able to come up with capabilities if, 1. You are able to intersect the attributes and components 2. You understand how the product works Example: Let’s take wallet as the product. For the component “profile” and attribute “configurable”. The capability would be a. “User should be able to configure their bank account with the wallet” b. User should be able to enable and disable their bank account c. User should not be able to add accounts which does not comply to the countries regulations Tips for coming up with capabilities: 1. List only the most important capabilities 2. These are mostly user oriented and conveys a user’s view of the system 3. Capabilities can be designed to form use cases which in turn can have multiple scenarios for testing which are test cases
  7. 7. Easy & Simple Secure Accurate Interaction & Communicat ion Configurable Signup/Signi n/Signout Profile and Settings Transactions Add Money Send Money Receive Money Request Money Withdraw Money
  8. 8. Examples of capabilities Users should be able to signup with their social accounts Before completing a transaction a confirmation message should be visible to the user On adding money from the user’s bank the wallet should be updated with the correct details On adding money from the user’s bank the user should receive a confirmation message/email Adding money from the bank should be done over https protocol
  9. 9. Step1 Explore the product (web/mobile) Step2 Identify and list down the components Step3 Identify and list down the attributes Step4 Based on the Attributes and Components list the capabilities / use cases Step5 Start testing with multiple scenarios with from every use case
  10. 10. Thank you Connect with bharath@99tests.com , pankaj@99tests.com for any queries or clarifications

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