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require "ostruct"
require "optparse"
require "rake/file_list"
require "method_source"
module Rails
class TestRunner
class Options
def self.parse(args)
options = { backtrace: false, name: nil }
opt_parser = ::OptionParser.new do |opts|
opts.banner = "Usage: bin/rails test [options]"
opts.separator ""
opts.separator "Filter options:"
opts.on("-n", "--name [NAME]",
"Only run tests matching NAME") do |name|
options[:name] = name
end
opts.separator ""
opts.separator "Output options:"
opts.on("-b", "--backtrace",
"show the complte backtrace") do
options[:backtrace] = true
end
opts.separator ""
opts.separator "Common options:"
opts.on_tail("-h", "--help", "Show this message") do
puts opts
exit
end
end
opt_parser.order!(args)
if arg = args.shift
if NAMED_PATTERNS.key?(arg)
options[:pattern] = arg
else
options[:filename], options[:line] = arg.split(':')
options[:filename] = File.expand_path options[:filename]
options[:line] &&= options[:line].to_i
end
end
options
end
end
def initialize(options = {})
@options = options
end
def run
$rails_test_runner = self
run_tests
end
def find_method
return @options[:name] if @options[:name]
return unless @options[:line]
method = test_methods.find do |location, test_method, start_line, end_line|
location == @options[:filename] &&
(start_line..end_line).include?(@options[:line].to_i)
end
method[1] if method
end
def show_backtrace?
@options[:backtrace]
end
private
def run_tests
test_files.to_a.each do |file|
require File.expand_path file
end
end
NAMED_PATTERNS = {
"models" => "test/models/**/*_test.rb"
}
def test_files
return [@options[:filename]] if @options[:filename]
if @options[:pattern]
pattern = NAMED_PATTERNS[@options[:pattern]]
else
pattern = "test/**/*_test.rb"
end
Rake::FileList[pattern]
end
def test_methods
methods_map = []
suites = Minitest::Runnable.runnables.shuffle
suites.each do |suite_class|
suite_class.runnable_methods.each do |test_method|
method = suite_class.instance_method(test_method)
location = method.source_location
start_line = location.last
end_line = method.source.split("\n").size + start_line - 1
methods_map << [location.first, test_method, start_line, end_line]
end
end
methods_map
end
end
end
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