hydra/test/runner_test.rb

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require 'test_helper'
require 'fixtures/runner_listeners'
class RunnerTest < Test::Unit::TestCase
context "with a file to test and a destination to verify" do
setup do
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sleep(0.2)
FileUtils.rm_f(target_file)
FileUtils.rm_f(alternate_target_file)
end
teardown do
FileUtils.rm_f(target_file)
FileUtils.rm_f(alternate_target_file)
end
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should "run a test in the foreground" do
# flip it around to the parent is in the fork, this gives
# us more direct control over the runner and proper test
# coverage output
pipe = Hydra::Pipe.new
parent = Process.fork do
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request_a_file_and_verify_completion(pipe, test_file)
end
run_the_runner(pipe)
Process.wait(parent)
end
# this flips the above test, so that the main process runs a bit of the parent
# code, but only with minimal assertion
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should "run a test in the background" do
pipe = Hydra::Pipe.new
child = Process.fork do
run_the_runner(pipe)
end
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request_a_file_and_verify_completion(pipe, test_file)
Process.wait(child)
end
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should "run a js lint file and find errors" do
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runner = Hydra::Runner.new(:options => {}, :io => File.new('/dev/null', 'w'))
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results = runner.run_file(javascript_file)
assert results =~ /Missing semicolon/, results
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end
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should "run a json data file and find errors" do
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runner = Hydra::Runner.new(:options => {}, :io => File.new('/dev/null', 'w'))
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results = runner.run_file(json_file)
assert results =~ /trailing comma/, results
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end
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should "run two rspec tests" do
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runner = Hydra::Runner.new(:options => {}, :io => File.new('/dev/null', 'w'))
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runner.run_file(rspec_file)
assert File.exists?(target_file)
assert_equal "HYDRA", File.read(target_file)
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FileUtils.rm_f(target_file)
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runner.run_file(alternate_rspec_file)
assert File.exists?(alternate_target_file)
assert_equal "HYDRA", File.read(alternate_target_file)
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assert !File.exists?(target_file), "Tests are double running!"
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end
should "run rspec tests with pending examples" do
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runner = Hydra::Runner.new(:options => {}, :io => File.new('/dev/null', 'w'))
assert File.exists?(rspec_file_with_pending)
runner.run_file(rspec_file_with_pending)
assert File.exists?(target_file)
assert_equal "HYDRA", File.read(target_file)
FileUtils.rm_f(target_file)
end
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should "run two cucumber tests" do
# because of all the crap cucumber pulls in
# we run this in a fork to not contaminate
# the main test environment
capture_stderr do # redirect stderr
pid = Process.fork do
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runner = Hydra::Runner.new(:options => {}, :io => File.new('/dev/null', 'w'))
runner.run_file(cucumber_feature_file)
assert File.exists?(target_file)
assert_equal "HYDRA", File.read(target_file)
FileUtils.rm_f(target_file)
runner.run_file(alternate_cucumber_feature_file)
assert File.exists?(alternate_target_file)
assert_equal "HYDRA", File.read(alternate_target_file)
assert !File.exists?(target_file)
end
Process.wait pid
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end
end
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should "be able to run a runner over ssh" do
ssh = Hydra::SSH.new(
'localhost -o ControlMaster=no',
File.expand_path(File.join(File.dirname(__FILE__), '..', 'lib')),
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%{ruby -rrubygems -e "require \\"bundler/setup\\"; require \\"hydra\\"; Hydra::Runner.new(:options => {}, :io => Hydra::Stdio.new, :verbose => true);"}
)
assert ssh.gets.is_a?(Hydra::Messages::Runner::RequestFile)
ssh.write(Hydra::Messages::Worker::RunFile.new(:file => test_file))
# grab its response. This makes us wait for it to finish
echo = ssh.gets # get the ssh echo
response = ssh.gets
assert_equal Hydra::Messages::Runner::Results, response.class
# tell it to shut down
ssh.write(Hydra::Messages::Worker::Shutdown.new)
ssh.close
# ensure it ran
assert File.exists?(target_file)
assert_equal "HYDRA", File.read(target_file)
end
context "using runner events" do
context "on successful termination" do
setup do
@pipe = Hydra::Pipe.new
@parent = Process.fork do
request_a_file_and_verify_completion(@pipe, test_file)
end
end
should "fire runner_begin event" do
run_the_runner(@pipe, [HydraExtension::RunnerListener::RunnerBeginTest.new] )
Process.wait(@parent)
# ensure runner_begin was fired
assert_file_exists alternate_target_file
end
should "fire runner_end event" do
run_the_runner(@pipe, [HydraExtension::RunnerListener::RunnerEndTest.new] )
Process.wait(@parent)
assert_file_exists alternate_target_file
end
end
should "fire runner_end event after losing communication with worker" do
pipe = Hydra::Pipe.new
parent = Process.fork do
pipe.identify_as_parent
# grab its response.
response = pipe.gets
pipe.close #this will be detected by the runner and it should call runner_end
end
run_the_runner(pipe, [HydraExtension::RunnerListener::RunnerEndTest.new] )
Process.wait(parent)
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# ensure runner_end was fired
assert File.exists?( alternate_target_file )
end
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end
end
module RunnerTestHelper
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def request_a_file_and_verify_completion(pipe, file)
pipe.identify_as_parent
# make sure it asks for a file, then give it one
assert pipe.gets.is_a?(Hydra::Messages::Runner::RequestFile)
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pipe.write(Hydra::Messages::Worker::RunFile.new(:file => file))
# grab its response. This makes us wait for it to finish
response = pipe.gets
# tell it to shut down
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pipe.write(Hydra::Messages::Worker::Shutdown.new)
# ensure it ran
assert File.exists?(target_file)
assert_equal "HYDRA", File.read(target_file)
end
def run_the_runner(pipe, listeners = [])
pipe.identify_as_child
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Hydra::Runner.new( :io => pipe, :options => {}, :runner_listeners => listeners )
end
end
include RunnerTestHelper
end