Update to ruby/mspec@dc2eb26

spec/mspec/lib/mspec/helpers/ruby_exe.rb

@@ -140,9 +140,26 @@ def ruby_exe(code = :not_given, opts = {})
   expected_status = opts.fetch(:exit_status, 0)
 
   begin
-    platform_is_not :opal do
     command = ruby_cmd(code, opts)
-      output = `#{command}`
+
+    # Try to avoid the extra shell for 2>&1
+    # This is notably useful for TimeoutAction which can then signal the ruby subprocess and not the shell
+    popen_options = []
+    if command.end_with?(' 2>&1')
+      command = command[0...-5]
+      popen_options = [{ err: [:child, :out] }]
+    end
+
+    output = IO.popen(command, *popen_options) do |io|
+      pid = io.pid
+      MSpec.subprocesses << pid
+      begin
+        io.read
+      ensure
+        MSpec.subprocesses.delete(pid)
+      end
+    end
+
     status = Process.last_status
 
     exit_status = if status.exited?
@@ -161,7 +178,6 @@ def ruby_exe(code = :not_given, opts = {})
     end
 
     output
-    end
   ensure
     saved_env.each { |key, value| ENV[key] = value }
     env.keys.each do |key|

spec/mspec/lib/mspec/runner/actions/timeout.rb

@@ -3,6 +3,8 @@ class TimeoutAction
     @timeout = timeout
     @queue = Queue.new
     @started = now
+    @fail = false
+    @error_message = "took longer than the configured timeout of #{@timeout}s"
   end
 
   def register
@@ -37,15 +39,25 @@ class TimeoutAction
             elapsed = now - @started
             if elapsed > @timeout
               if @current_state
-                STDERR.puts "\nExample took longer than the configured timeout of #{@timeout}s:"
+                STDERR.puts "\nExample #{@error_message}:"
                 STDERR.puts "#{@current_state.description}"
               else
-                STDERR.puts "\nSome code outside an example took longer than the configured timeout of #{@timeout}s"
+                STDERR.puts "\nSome code outside an example #{@error_message}"
               end
               STDERR.flush
 
               show_backtraces
+              if MSpec.subprocesses.empty?
                 exit 2
+              else
+                # Do not exit but signal the subprocess so we can get their output
+                MSpec.subprocesses.each do |pid|
+                  Process.kill :SIGTERM, pid
+                end
+                @fail = true
+                @current_state = nil
+                break # stop this thread, will fail in #after
+              end
             end
           end
         end
@@ -65,6 +77,11 @@ class TimeoutAction
     @queue << -> do
       @current_state = nil
     end
+
+    if @fail
+      STDERR.puts "\n\nThe last example #{@error_message}. See above for the subprocess stacktrace."
+      exit 2
+    end
   end
 
   def finish
@@ -73,11 +90,16 @@ class TimeoutAction
   end
 
   private def show_backtraces
-    if RUBY_ENGINE == 'truffleruby'
+    java_stacktraces = -> pid {
+      if RUBY_ENGINE == 'truffleruby' || RUBY_ENGINE == 'jruby'
         STDERR.puts 'Java stacktraces:'
-      Process.kill :SIGQUIT, Process.pid
+        Process.kill :SIGQUIT, pid
         sleep 1
       end
+    }
+
+    if MSpec.subprocesses.empty?
+      java_stacktraces.call Process.pid
 
       STDERR.puts "\nRuby backtraces:"
       if defined?(Truffle::Debug.show_backtraces)
@@ -89,5 +111,19 @@ class TimeoutAction
           end
         end
       end
+    else
+      MSpec.subprocesses.each do |pid|
+        STDERR.puts "\nFor subprocess #{pid}"
+        java_stacktraces.call pid
+
+        if RUBY_ENGINE == 'truffleruby'
+          STDERR.puts "\nRuby backtraces:"
+          Process.kill :SIGALRM, pid
+          sleep 1
+        else
+          STDERR.puts "Don't know how to print backtraces of a subprocess on #{RUBY_ENGINE}"
+        end
+      end
+    end
   end
 end

spec/mspec/lib/mspec/runner/mspec.rb

@@ -38,9 +38,10 @@ module MSpec
   @expectation  = nil
   @expectations = false
   @skips = []
+  @subprocesses = []
 
   class << self
-    attr_reader :file, :include, :exclude, :skips
+    attr_reader :file, :include, :exclude, :skips, :subprocesses
     attr_writer :repeat, :randomize
     attr_accessor :formatter
   end

spec/mspec/spec/helpers/ruby_exe_spec.rb

@@ -145,7 +145,7 @@ RSpec.describe Object, "#ruby_exe" do
     stub_const 'RUBY_EXE', 'ruby_spec_exe -w -Q'
 
     @script = RubyExeSpecs.new
-    allow(@script).to receive(:`).and_return('OUTPUT')
+    allow(IO).to receive(:popen).and_return('OUTPUT')
 
     status_successful = double(Process::Status, exited?: true, exitstatus: 0)
     allow(Process).to receive(:last_status).and_return(status_successful)
@@ -155,7 +155,7 @@ RSpec.describe Object, "#ruby_exe" do
     code = "code"
     options = {}
     output = "output"
-    allow(@script).to receive(:`).and_return(output)
+    expect(IO).to receive(:popen).and_return(output)
 
     expect(@script.ruby_exe(code, options)).to eq output
   end
@@ -168,7 +168,7 @@ RSpec.describe Object, "#ruby_exe" do
     code = "code"
     options = {}
     expect(@script).to receive(:ruby_cmd).and_return("ruby_cmd")
-    expect(@script).to receive(:`).with("ruby_cmd")
+    expect(IO).to receive(:popen).with("ruby_cmd")
     @script.ruby_exe(code, options)
   end
 
@@ -227,7 +227,7 @@ RSpec.describe Object, "#ruby_exe" do
       expect(ENV).to receive(:[]=).with("ABC", "xyz")
       expect(ENV).to receive(:[]=).with("ABC", "123")
 
-      expect(@script).to receive(:`).and_raise(Exception)
+      expect(IO).to receive(:popen).and_raise(Exception)
       expect do
         @script.ruby_exe nil, :env => { :ABC => "xyz" }
       end.to raise_error(Exception)
@@ -248,7 +248,7 @@ RSpec.describe Object, "#ruby_exe" do
 
     it "does not raise exception when command ends with expected status" do
       output = "output"
-      allow(@script).to receive(:`).and_return(output)
+      expect(IO).to receive(:popen).and_return(output)
 
       expect(@script.ruby_exe("path", exit_status: 4)).to eq output
     end

spec/mspec/tool/check_require_spec_helper.rb

@@ -0,0 +1,34 @@
+#!/usr/bin/env ruby
+
+# This script is used to check that each *_spec.rb file has
+# a relative_require for spec_helper which should live higher
+# up in the ruby/spec repo directory tree.
+#
+# Prints errors to $stderr and returns a non-zero exit code when
+# errors are found.
+#
+# Related to https://github.com/ruby/spec/pull/992
+
+def check_file(fn)
+  File.foreach(fn) do |line|
+    return $1 if line =~ /^\s*require_relative\s*['"](.*spec_helper)['"]/
+  end
+  nil
+end
+
+rootdir = ARGV[0] || "."
+fglob = File.join(rootdir, "**", "*_spec.rb")
+specfiles = Dir.glob(fglob)
+raise "No spec files found in #{fglob.inspect}. Give an argument to specify the root-directory of ruby/spec" if specfiles.empty?
+
+errors = 0
+specfiles.sort.each do |fn|
+  result = check_file(fn)
+  if result.nil?
+    warn "Missing require_relative for *spec_helper for file: #{fn}"
+    errors += 1
+  end
+end
+
+puts "# Found #{errors} files with require_relative spec_helper issues."
+exit 1 if errors > 0