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Crafting Rails Culture
to Your Company
Hiroshi SHIBATA
@hsbt
RailsPacific
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Thank you!
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SHIBATA
Hiroshi
@hsbt
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Tokyo
Matze
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RailsGirls in Japan
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asakusa.rb
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RubyKaigi 2014
RubyConf Taiwan
2014
RedDotRubyConf
2014
RailsPacific
OedoRubyKaigi04
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Ruby Committer
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ruby
rubygems
rake
rdoc
psych
syck
ruby-build
railsgirls
railsgirls-jp
kaminari
tdiary
hiki
jenkins.rb
fastladder
commit bit collector
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My work of Ruby 2.2.0
Update test-unit and minitest
(removed from repository but
bundled in tarball)
coordinate to Ruby committers
negotiate to sponsors
make development environment
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"MPOHUJNFBHP
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Pepabo
Hosting EC Media
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0WFSQFPQMF
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organizations which design systems ... are constrained to
produce designs which are copies of the communication
structures of these organizations
— M. Conway
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PHP
MySQL5
PHP
MySQL4
Ruby and PHP
Rails
MySQL5
Pepabo
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ϛυϧΣΞͷΞοϓάϨʔυ
ࣾ։ൃج൫ͷߏங
౷ܭج൫ͷߏங
+409ͷӡ༻උ
HJUIVC
ηΩϡϦςΟࠪ
ίʔυϨϏϡʔ
ςετج൫ͷߏங
ΞΫηεղੳج൫ͷߏங
։ൃϓϩηε
৽ਓڭҭ
ݪߘࣥච
ΧϯϑΝϨϯεൃද
044։ൃ αʔόʔߏཧͷ৽
ϦʔϯελʔτΞοϓ
+FOLJOT
3VCZ3BJMT
3%#.4
ٕज़ج൫νʔϜ
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Pepabo
ٕज़ج൫νʔϜ
PHP
MySQL5
PHP
MySQL4
Ruby and PHP
Rails
MySQL5
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Ruby
Rails
MySQL5
Ruby
Rails
MySQL5
Ruby and PHP
Rails
MySQL5
Pepabo
ٕज़ج൫νʔϜ
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Why Ruby?
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3. references
Why Ruby?
2. environment
1. testing
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Testing
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3. rspec
powerful testing
framework
2. minitest
1. test-unit
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Capybara
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1) Failure:
TestPowerAssert#test_power_assert_failed [test/test_power_assert.rb:10]:
assert { "0".class == "3".to_i.times.map {|i| i + 1 }.class }
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| | | | Array
| | | [1, 2, 3]
| | #
| 3
String
Power Assert
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1) Failure:
TestPowerAssert#test_power_assert_failed [test/test_power_assert.rb:10]:
assert { "0".class == "3".to_i.times.map {|i| i + 1 }.class }
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| | | | Array
| | | [1, 2, 3]
| | #
| 3
String
class TestPowerAssert < Minitest::Test
def test_power_assert_failed
assert { "0".class == "3".to_i.times.map {|i| i + 1 }.class }
end
end
testcase
assertion
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3. run test -> fail -> detect fail reason
Typical usecase
2. add inspection code
1. run test -> fail
5. run test -> success
4. fix code
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3. run test -> fail -> detect fail reason
Typical usecase
2. add inspection code
1. run test -> fail
5. run test -> fail!!! -> turn to 2
4. fix code
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Typical usecase
1. run test -> fail
5. run test -> fail!!! -> turn to 4
4. fix code
1) Failure:
TestPowerAssert#test_power_assert_failed [test/test_power_assert.rb:10]:
assert { "0".class == "3".to_i.times.map {|i| i + 1 }.class }
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| | | [1, 2, 3]
| | #
| 3
String
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Development
Environment
2. rbenv + ruby-build
1. osx + homebrew
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Many references
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Rails Good Parts
Why
Rails?
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3. admin integration
Why Rails?
2. oss way
1. modern architecture
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enforce
modern architecture
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case.1
Ruby 1.8.6 to Ruby 2.1.2
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Ruby 1.8.6
Rails 2.0.2
Ruby 2.1.3
Rails 4.1.6 new!
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Ruby
1.8.6 1.8.7 1.9.3 2.0.0 2.1
Rails
2.0/2.1
2.3
3.0
3.2
4.0/4.1
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KyotoTycoon
to
memcached
case.2
replace legacy middleware
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app1
app2
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begin
require 'dalli'
rescue LoadError => e
$stderr.puts "You don't have dalli installed in your
application. Please add it to your Gemfile and run
bundle install"
raise e
end
rails4 need to dalli
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kyoto tycoon is slower
than mysql…
dalli is not support
to kyoto tycoon…
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enforce oss way
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Ruby
Rails
MySQL5
Ruby
Rails
MySQL5
Ruby and PHP
Rails
MySQL5
Pepabo
ٕज़ج൫νʔϜ
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class Bar
def bar(foo = foo())
foo
end
def buzz(foo = foo)
foo
end
def foo
:buzz
end
end
p Bar.new.bar
p Bar.new.buzz
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% ruby -v r45272.rb
ruby 2.2.0dev (2014-04-13 trunk 45580) [x86_64-darwin13]
:buzz
nil
% ruby -v r45272.rb
ruby 2.1.2p80 (2014-03-01 revision 45231) [x86_64-darwin13.0]
:buzz
:buzz
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admin integration
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3. no console
What’s admin?
2. payment/refund
1. customer support
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organizations which design systems ... are constrained to
produce designs which are copies of the communication
structures of these organizations
— M. Conway
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Developer Director
Customer
Support
Our Typical Team
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VONBJOUBJOFEʜ
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3. other app
better admin
2. Rails Engine
1. app internal
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app internal
pros
better testing
better deploy
cons
including difference application
including effective code
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Rails Engine
pros
splitting application code
better deploy
cons
difficulty testing
can’t use production code directly
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Other app
pros
definitely splitting app
cons
separated develop cycle
duplicated code
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No silver bullet
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Rails
like a php
MySQL5
Rails
like a java
MySQL5
Rails
like a php
MySQL5
Optimize Your Company
ٕज़ج൫νʔϜ
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Lern to
Rails
Internal
step
by
step
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Lern to
Active
Record
Internal
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github workflow
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ChatOps
github issue
costomer’s
contact
nagios
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DevOps
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Go to the
next
10 years