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require 'rake/testtask'
module Rails
class TestTask < Rake::TestTask # :nodoc: all
# A utility class which is used primarily in "rails/test_unit/testing.rake"
# to help define rake tasks corresponding to <tt>rake test</tt>.
#
# This class takes a TestInfo class and defines the appropriate rake task
# based on the information, then invokes it.
class TestCreator
def initialize(info)
@info = info
end
def invoke_rake_task
if @info.files.any?
create_and_run_single_test
reset_application_tasks
else
Rake::Task[ENV['TEST'] ? 'test:single' : 'test:run'].invoke
end
end
private
def create_and_run_single_test
Rails::TestTask.new('test:single') { |t|
t.test_files = @info.files
}
ENV['TESTOPTS'] ||= @info.opts
Rake::Task['test:single'].invoke
end
def reset_application_tasks
Rake.application.top_level_tasks.replace @info.tasks
end
end
# This is a utility class used by the <tt>TestTask::TestCreator</tt> class.
# This class takes a set of test tasks and checks to see if they correspond
# to test files (or can be transformed into test files). Calling <tt>files</tt>
# provides the set of test files and is used when initializing tests after
# a call to <tt>rake test</tt>.
class TestInfo
def initialize(tasks)
@tasks = tasks
@files = nil
end
def files
@files ||= @tasks.map { |task|
[task, translate(task)].find { |file| test_file?(file) }
}.compact
end
def translate(file)
if file =~ /^app\/(.*)$/
"test/#{$1.sub(/\.rb$/, '')}_test.rb"
else
"test/#{file}_test.rb"
end
end
def tasks
@tasks - test_file_tasks - opt_names
end
def opts
opts = opt_names
if opts.any?
"-n #{opts.join ' '}"
end
end
private
def test_file_tasks
@tasks.find_all { |task|
[task, translate(task)].any? { |file| test_file?(file) }
}
end
def test_file?(file)
file =~ /^test/ && File.file?(file) && !File.directory?(file)
end
def opt_names
(@tasks - test_file_tasks).reject { |t| task_defined? t }
end
def task_defined?(task)
Rake::Task.task_defined? task
end
end
def self.test_creator(tasks)
info = TestInfo.new(tasks)
TestCreator.new(info)
end
def initialize(name = :test)
super
@libs << "test" # lib *and* test seem like a better default
end
def define
task @name do
if ENV['TESTOPTS']
ARGV.replace Shellwords.split ENV['TESTOPTS']
end
libs = @libs - $LOAD_PATH
$LOAD_PATH.unshift(*libs)
file_list.each { |fl|
FileList[fl].to_a.each { |f| require File.expand_path f }
}
end
end
end
# Silence the default description to cut down on `rake -T` noise.
class SubTestTask < Rake::TestTask # :nodoc:
def desc(string)
# Ignore the description.
end
end
end
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