testing code.org's interactive cs curriculum
DESCRIPTION
Given at http://www.meetup.com/Automated-Testing-San-Francisco/events/207827762/TRANSCRIPT
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Testing Code.org's Interactive Computer Science Curriculum
bcjordan.com
[email protected]@bcjordan
Brian Jordan, software engineer at Code.org
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Code.org
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non-profit
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expanding participation in CS
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Hour of Code
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10 million
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43 million
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now?
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district partnerships, professional development
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700 teachers trained 10 school districts
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policy changes
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K-12 CS Curriculum
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Testing Challenges
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what are we up against?
demo time!
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testing challenges
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multiple browsers
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multiple browsers
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iOS / Android
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IE 9
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localization
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33 languages
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left-to-right
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right-to-left
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browser features
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<svg>, <canvas>
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Javascript
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conditional logic to support all browsers
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tough but important
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now let's test it!
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Unit Tests!
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Unit Tests?blockly (JS, svg, canvas, grunt)
blockly-core (JS, svg, Closure Tools)
dashboard (Ruby on Rails)
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Dashboard
Blockly CoreBlockly Apps
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Rails testing
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ActiveSupport::TestCase
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Factory Girl
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Factory Girl
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SimpleCov
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Blockly testing
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solution tests
node-canvas for drawing
Chai for assertions
grunt-mocha-test
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solution tests
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solution tests
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solution tests
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UI tests
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challenge:multiple browsers
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solution:
BrowserStack
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challenge:
interaction, drag-and-drop
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solution:jQuery Simulate
$(selector).drag…
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Cucumber —> Selenium
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local tests with chromedriver
@browser = Selenium::WebDriver.for :chrome, :url=>"http://127.0.0.1:9515"
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remote tests with BrowserStack
@browser = Selenium::WebDriver.for :remote, url => "http://#{browserstack_username}:#{browserstack_authkey} @hub.browserstack.com/wd/hub"
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Cucumber is uncomfortable to start with
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DSL should be high-level
And I drag block "2" to block "4"
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Build a library of steps
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Visit the URLGiven /^I am on "([^"]*)"$/ do |url| url = replace_hostname(url) @browser.navigate.to "#{url}" end
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Annotations
@no_mobile
@no_ie@skip
@db_access
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On BrowserStack
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Demo: Speed Run
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Monitoring
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integration with CI
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HipChat all the things
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completion rates
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per-browser completion rates
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Travis CI <> GitHub
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Takeaways
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Build up Library of Tests
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Culture of Testing
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Saves time in test writing
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Saves time in development
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Thanks!
bcjordan.com
[email protected]@bcjordan
Brian Jordan, software engineer at Code.org
http://code.org/help
http://github.com/code-dot-org