require 'abstract_unit' # Does awesome if ENV['CHILD'] class ChildIsolationTest < ActiveSupport::TestCase include ActiveSupport::Testing::Isolation def self.setup File.open(File.join(File.dirname(__FILE__), "fixtures", "isolation_test"), "a") do |f| f.puts "hello" end end def setup @instance = "HELLO" end def teardown raise if @boom end test "runs the test" do assert true end test "captures errors" do raise end test "captures failures" do assert false end test "first runs in isolation" do assert_nil $x $x = 1 end test "second runs in isolation" do assert_nil $x $x = 2 end test "runs with slow tests" do sleep 0.3 assert true sleep 0.2 end test "runs setup" do assert "HELLO", @instance end test "runs teardown" do @boom = true end test "resets requires one" do assert !defined?(OmgOmg) assert_equal 0, $LOADED_FEATURES.grep(/fixtures\/omgomg/).size require File.expand_path(File.join(File.dirname(__FILE__), "fixtures", "omgomg")) end test "resets requires two" do assert !defined?(OmgOmg) assert_equal 0, $LOADED_FEATURES.grep(/fixtures\/omgomg/).size require File.expand_path(File.join(File.dirname(__FILE__), "fixtures", "omgomg")) end end else class ParentIsolationTest < ActiveSupport::TestCase File.open(File.join(File.dirname(__FILE__), "fixtures", "isolation_test"), "w") {} ENV["CHILD"] = "1" OUTPUT = `#{Gem.ruby} -I#{File.dirname(__FILE__)} #{File.expand_path(__FILE__)} -v` ENV.delete("CHILD") def setup # Extract the results @results = {} OUTPUT[/Started\n\s*(.*)\s*\nFinished/mi, 1].split(/\s*\n\s*/).each do |result| result =~ %r'^(\w+)\(\w+\):\s*(\.|E|F)$' @results[$1] = { 'E' => :error, '.' => :success, 'F' => :failure }[$2] end # Extract the backtraces @backtraces = {} OUTPUT.scan(/^\s*\d+\).*?\n\n/m).each do |backtrace| # \n 1) Error:\ntest_captures_errors(ChildIsolationTest): backtrace =~ %r'\s*\d+\)\s*(Error|Failure):\n(\w+)'i @backtraces[$2] = { :type => $1, :output => backtrace } end end def assert_failing(name) assert_equal :failure, @results[name.to_s], "Test #{name} did not fail" end def assert_passing(name) assert_equal :success, @results[name.to_s], "Test #{name} did not pass" end def assert_erroring(name) assert_equal :error, @results[name.to_s], "Test #{name} did not error" end test "has all tests" do assert_equal 10, @results.length end test "passing tests are still reported" do assert_passing :test_runs_the_test assert_passing :test_runs_with_slow_tests end test "resets global variables" do assert_passing :test_first_runs_in_isolation assert_passing :test_second_runs_in_isolation end test "resets requires" do assert_passing :test_resets_requires_one assert_passing :test_resets_requires_two end test "erroring tests are still reported" do assert_erroring :test_captures_errors end test "runs setup and teardown methods" do assert_passing :test_runs_setup assert_erroring :test_runs_teardown end test "correct tests fail" do assert_failing :test_captures_failures end test "backtrace is printed for errors" do assert_equal 'Error', @backtraces["test_captures_errors"][:type] assert_match %r{isolation_test.rb:\d+:in `test_captures_errors'}, @backtraces["test_captures_errors"][:output] end test "backtrace is printed for failures" do assert_equal 'Failure', @backtraces["test_captures_failures"][:type] assert_match %r{isolation_test.rb:\d+:in `test_captures_failures'}, @backtraces["test_captures_failures"][:output] end test "self.setup is run only once" do text = File.read(File.join(File.dirname(__FILE__), "fixtures", "isolation_test")) assert_equal "hello\n", text end end end