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module ActionSystemTest
module TestHelpers
# Screenshot helper for system testing
module ScreenshotHelper
# Takes a screenshot of the current page in the browser.
#
# +take_screenshot+ can be used within your tests at points
# you want to take a screenshot if the driver supports screenshots. The
# Rack Test driver does not support screenshots.
#
# You can check if the driver supports screenshots by running
#
# ActionSystemTest.driver.supports_screenshots?
# => true
def take_screenshot
puts "[Screenshot]: #{image_path}"
puts find_image
end
# Takes a screenshot only if the test failed. This is included
# by default in +teardown+ of system test.
def take_failed_screenshot
take_screenshot unless passed?
end
private
def image_path
path = "tmp/screenshots/failures_#{method_name}.png"
page.save_screenshot(Rails.root.join(path))
path
end
def find_image
if ENV["CAPYBARA_INLINE_SCREENSHOT"] == "artifact"
"\e]1338;url=artifact://#{image_path}\a"
else
name = inline_base64(File.basename(image_path))
image = inline_base64(File.read(image_path))
"\e]1337;File=name=#{name};height=400px;inline=1:#{image}\a"
end
end
def inline_base64(path)
Base64.encode64(path).gsub("\n", "")
end
end
end
end
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