Devs & Testers : BFFs with Virtual APIs
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Slides presented for APIdays Mediterranea in Barcelona, Spain by Paul Bruce on behalf of SmartBear Software
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Devs & Testers : BFFs with Virtual APIs
- 1. a b c d e f g h i j k l m n o p q r s t u v w x y
- 2. Paul Bruce API Product Marketing Manager a b c d e f g h i j k l m n o p q r s t u v w x y Paul Bruce | Devs + Testers = BFFs w/ Virtual APIs APIdays Mediterranea 20150506 @ PaulSBruce #VirtualAPIs @SmartBear
- 3. a b c d e f g h i j k l m n o p q r s t u v w x y reverse Q& Paul Bruce | Devs + Testers = BFFs w/ Virtual APIs APIdays Mediterranea 20150506 reverse Q & A @ PaulSBruce #VirtualAPIs @SmartBear
- 4. a b c d e f g h i j k l m n o p q r s t u v w x y we don’t have the luxury Paul Bruce | Devs + Testers = BFFs w/ Virtual APIs APIdays Mediterranea 20150506 @ PaulSBruce #VirtualAPIs @SmartBear
- 5. a b c d e f g h i j k l m n o p q r s t u v w x y the connected world is nuts Paul Bruce | Devs + Testers = BFFs w/ Virtual APIs APIdays Mediterranea 20150506 #VirtualAPIs @SmartBear
- 6. a b c d e f g h i j k l m n o p q r s t u v w x y APIs really help Paul Bruce | Devs + Testers = BFFs w/ Virtual APIs APIdays Mediterranea 20150506 #VirtualAPIs @SmartBear
- 7. a b c d e f g h i j k l m n o p q r s t u v w x y APIs come with baggage Paul Bruce | Devs + Testers = BFFs w/ Virtual APIs APIdays Mediterranea 20150506 @ PaulSBruce #VirtualAPIs @SmartBear
- 9. a b c d e f g h i j k l m n o p q r s t u v w x y show me your API, i‘ll show you mine Paul Bruce | Devs + Testers = BFFs w/ Virtual APIs APIdays Mediterranea 20150506 @ PaulSBruce #VirtualAPIs @SmartBear
- 10. a b c d e f g h i j k l m n o p q r s t u v w x y people not devs, not testers people Paul Bruce | Devs + Testers = BFFs w/ Virtual APIs APIdays Mediterranea 20150506 @ PaulSBruce #VirtualAPIs @SmartBear
- 11. a b c d e f g h i j k l m n o p q r s t u v w x y a good multi-tasker is hard to find Paul Bruce | Devs + Testers = BFFs w/ Virtual APIs APIdays Mediterranea 20150506 @ PaulSBruce #VirtualAPIs @SmartBear
- 12. a b c d e f g h i j k l m n o p q r s t u v w x y don’t test the code you write (get someone else to do it) Paul Bruce | Devs + Testers = BFFs w/ Virtual APIs APIdays Mediterranea 20150506 @ PaulSBruce #VirtualAPIs @SmartBear
- 13. a b c d e f g h i j k l m n o p q r s t u v w x y schizophrenia or just agile? Paul Bruce | Devs + Testers = BFFs w/ Virtual APIs APIdays Mediterranea 20150506 @ PaulSBruce #VirtualAPIs @SmartBear
- 14. a b c d e f g h i j k l m n o p q r s t u v w x y i just think it‘s time to see other people Paul Bruce | Devs + Testers = BFFs w/ Virtual APIs APIdays Mediterranea 20150506 @ PaulSBruce #VirtualAPIs @SmartBear
- 15. a b c d e f g h i j k l m n o p q r s t u v w x y what‘s the real problem here? Paul Bruce | Devs + Testers = BFFs w/ Virtual APIs APIdays Mediterranea 20150506 @ PaulSBruce #VirtualAPIs @SmartBear
- 16. a b c d e f g h i j k l m n o p q r s t u v w x y there is no API Paul Bruce | Devs + Testers = BFFs w/ Virtual APIs APIdays Mediterranea 20150506 @ PaulSBruce #VirtualAPIs @SmartBear
- 17. Virtual API
- 18. a b c d e f g h i j k l m n o p q r s t u v w x y no one likes to be mocked Paul Bruce | Devs + Testers = BFFs w/ Virtual APIs APIdays Mediterranea 20150506 @ PaulSBruce #VirtualAPIs @SmartBear
- 19. a b c d e f g h i j k l m n o p q r s t u v w x y “when i grow up, i want to be a virt” - mock Paul Bruce | Devs + Testers = BFFs w/ Virtual APIs APIdays Mediterranea 20150506 @ PaulSBruce #VirtualAPIs @SmartBear
- 20. a b c d e f g h i j k l m n o p q r s t u v w x y what virts aren‘t Paul Bruce | Devs + Testers = BFFs w/ Virtual APIs APIdays Mediterranea 20150506 @ PaulSBruce #VirtualAPIs @SmartBear
- 21. a b c d e f g h i j k l m n o p q r s t u v w x y well of course, and I really mean it Paul Bruce | Devs + Testers = BFFs w/ Virtual APIs APIdays Mediterranea 20150506 @ PaulSBruce #VirtualAPIs @SmartBear
- 22. a b c d e f g h i j k l m n o p q r s t u v w x y the sky is the limit Paul Bruce | Devs + Testers = BFFs w/ Virtual APIs APIdays Mediterranea 20150506 @ PaulSBruce #VirtualAPIs @SmartBear
- 23. a b c d e f g h i j k l m n o p q r s t u v w x y the point being Paul Bruce | Devs + Testers = BFFs w/ Virtual APIs APIdays Mediterranea 20150506 @ PaulSBruce #VirtualAPIs @SmartBear
- 24. a b c d e f g h i j k l m n o p q r s t u v w x y we‘re doing okay, but it could be better Paul Bruce | Devs + Testers = BFFs w/ Virtual APIs APIdays Mediterranea 20150506 @ PaulSBruce #VirtualAPIs @SmartBear
- 25. a b c d e f g h i j k l m n o p q r s t u v w x y we live in the future Paul Bruce | Devs + Testers = BFFs w/ Virtual APIs APIdays Mediterranea 20150506 @ PaulSBruce #VirtualAPIs @SmartBear
- 26. a b c d e f g h i j k l m n o p q r s t u v w x y focus on what‘s not already solved Paul Bruce | Devs + Testers = BFFs w/ Virtual APIs APIdays Mediterranea 20150506 @ PaulSBruce #VirtualAPIs @SmartBear
- 27. a b c d e f g h i j k l m n o p q r s t u v w x y let‘s get together and build great software Paul Bruce | Devs + Testers = BFFs w/ Virtual APIs APIdays Mediterranea 20150506 @ PaulSBruce #VirtualAPIs @SmartBear
- 28. a b c d e f g h i j k l m n o p q r s t u v w x y proper Q & A Paul Bruce | Devs + Testers = BFFs w/ Virtual APIs APIdays Mediterranea 20150506 @ PaulSBruce #VirtualAPIs @SmartBear
Notas del editor
- Intro Been a dev for may years, needed to expand my horizons Working with all aspects of multiple product teams Help with strategic decisions, convey the true value
- Who believes stuff should just work? Who believes patterns & practices should get better? Who here uses service virtualization?
- The way we build now, we don’t have the luxury of: Enough time (aka. three week sprints) Last minute complications Heavy, bureaucratic solutions (ESB, SOA)
- One big, messy distributed system Even when done right, is full of hard problems Constantly changing
- Candy store for devs, plug-n-play business models Lightweight, easy for very small devices to read/write Same tenants as environmental friendliness: reuse, reduce, recycle
- Complicated to adopt and train on w/ out docs & descriptors Useless if you can’t connect them (Berlin speed hack, bad wifi, Watson) Only as good as what’s in-front or behind them
- I know lots of devs who don’t use API descriptors… If documentation and discoverability are good for APIs, why not start with a descriptor? REST is like a Zelda dungeon without a compass or a map And [sometimes] devs don’t always think [far enough] ahead
- In dev mode, focus on code and unit testing In testing mode, pretend there is no such thing as code Code-first is a bad testing methodology, not scalable
- Dual-role team members are difficult: To find and retain To expect separation of concern from To put deadlines on…(good code, or good tests?)
- So please, please test your code (unit of course) Find someone to pair review your code with tests of their own If you don’t have someone, pick a day of the week to be a tester Don’t fix what you just tested, don’t get too far down in the weeds
- Are these roles really best for different people? Practically: In enterprises and geographically disperse teams Skills and personalities, some people like different things Frees the business up to make the right decisions
- Why aren’t devs and testers always BFFs? Dev: You break my code Test: You make me so late We rolled something broken Test: You said you wouldn’t change Dev: You didn’t catch everything We’re out of time We’re losing revenue/customers And we do this over and over again
- What are some dependencies? Time, time, time Stack (servers, config, versioning) Control
- What if the API didn’t exist yet, what would it take? Simulate behavior that is “good enough” Start from nothing instead of everything Aren’t good APIs supposed to be modeled to consumer anyway?
- Where mocks begin to fail us: When we’re not all devs, code is a heavy asset When we don’t want to redeploy (yet another process) When a building sharable, dynamic mock is more costly Dev time & lost opportunity cost Every line of mock code you write is time lost
- Virtual APIs, mocks that scale: To team skills To the roles that need it (testers, designers) To other testing (performance, integration)
- When won’t virtual APIs help: When you’re a small team and you don’t have deadlines When you’re confident that your homegrown holds up When you really need to do full stack testing
- Yes I work for a company that does this: I wouldn’t have known there was a better way w/out diving deep We think your time and intelligence is worth a lot You should too We’re okay with giving you options around saving time If you want to know more, find me afterwards
- What does the landscape look like with Virtual APIs? Devs & testers start working at the same time Alphas are then immediately testable Bugs resolved in same cycle they’re created Front-end designers, can model how the API should feel
- What does this all do for the business? Keeps cost down (salary, licensing, opportunity) Lets people work independently and as-connected Gives back control (data, performance, errors)
- You still need environments. If APIs are like glue, then Virtual APIs are like paper clips (temporary, reusable) You still have to test total performance in staging But your tests are already to go
- There is more to this, service virtualization, and it takes exploring (like Mike said this morning, tool builders can’t even imagine what…) Like A/B testing, traffic routing and shaping Like performance on virts/non-virts being called out Like automation (schema changes, default data)
- In other words, go build exciting experiences… We’re standing on the shoulders of giants already The way we get beyond that is to reach for what’s not already been attained Writing code is fun, but mundane. Step back regularly to see the big picture
- And let’s do this together. The space has exploded, lots of competition, but lots more to do. So whatever we do, let’s do it together. Let’s build accurate, fast, and safe experiences.