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Introduction of
mercari SET team
ICST meetup
@masudaK 2017/03/17
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mercari
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mercari
● A customer to customer marketplace app
for iOS, Android and Web
● You can sell anything(legal)
● You can buy anything
● 60 million downloads in JP and US
● Now released in UK
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mercari
● Founded: 2013/02/01
● Meaning: “Market” in Latin
● Office: Tokyo, Sendai, Fukuoka, San
Francisco, Portland and London
● People: about 400
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SET
(Software Engineer in Test)
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SET
● Members: 5
● Started: 2016/10
● Mission:
○ Improve product quality
and developer productivity through
engineering
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Approach
● product quality:
○ By automating E2E tests
○ By creating flexible testing
environments
○ By introducing new tools for test case
management
● developer productivity
○ By creating development environment
with single command
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Me
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Me
● HN: @masudaK on Twitter
● Position: SET in mercari
● Joined: 2016/04/15
● Before: SRE
● Now: SET
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Recently
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Explosion of
new employees
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Explosion of
new regions
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Automation is a MUST
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Our job
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One command
dev environment
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Ideology
● Easy getting started
● Easy tracing error
● Disposable
● Simple Architecture
● Not only for engineers
● Here to help with anything
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Design
● By using Docker for Mac and
docker-compose
● By registering user domains on local DNS
● By dividing data with data container
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Images
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Execute only
“make init”
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Then you can access
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https://masuda-api-us.your-domain.com
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One click
QA environments
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Ideology
● Have own environments for QA
● Disposable
● Easy to create(1min)
● Easy to deploy own topic branch
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Design
● The system for QA
● Mainly created by docker-compose
● on GCP
● Closest Instance by geo load balancer
● Using oauth2-proxy as auth
● Using GCP snapshot and ansible
● Using rundeck for job management
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Access admin url
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Choose your instance
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Choose your
topic branch
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Just click
“build” button
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Anyone can use
their own QA env
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Automate E2E tests
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Current environments
XCUITest
iOS
Android
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Problem one
• follow up the changes of UI
• catch up the differences of A/B tests
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To keep coverage
is
difficult
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Problem two
• tell the product team how automation will
improve
• their development cycle
• their product quality
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To publish outputs
is
so important
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Problem thee
• choice the valid tool and language
• management for test case (ex: Excel,
TestRail and so on)
• platform for tests (ex: Device Farm,
STF and so on)
• programming language (ex: Ruby,
Python, Swift and so on)
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We have lots of
challenges
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We need
more engineers
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https://www.mercari.com/jp/jobs/
https://www.wantedly.com/projects/62657
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Thank you