test/unit.rb: --subprocess-timeout-scale option

* test/lib/envutil.rb (EnvUtil#invoke_ruby): add subprocess
  timeout scaling factor.

* test/lib/test/unit.rb (Test::Unit::SubprocessOption): add
  --subprocess-timeout-scale option.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57168 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 8 insertions, 0 deletions

diff --git a/test/lib/envutil.rb b/test/lib/envutil.rb
index 04fdc8d30f..89721754a2 100644
--- a/test/lib/envutil.rb
+++ b/test/lib/envutil.rb
@@ -40,12 +40,20 @@ module EnvUtil
   DEFAULT_SIGNALS = Signal.list
   DEFAULT_SIGNALS.delete("TERM") if /mswin|mingw/ =~ RUBY_PLATFORM
 
+  class << self
+    attr_accessor :subprocess_timeout_scale
+  end
+
   def invoke_ruby(args, stdin_data = "", capture_stdout = false, capture_stderr = false,
                   encoding: nil, timeout: 10, reprieve: 1, timeout_error: Timeout::Error,
                   stdout_filter: nil, stderr_filter: nil,
                   signal: :TERM,
                   rubybin: EnvUtil.rubybin,
                   **opt)
+    if scale = EnvUtil.subprocess_timeout_scale
+      timeout *= scale if timeout
+      reprieve *= scale if reprieve
+    end
     in_c, in_p = IO.pipe
     out_p, out_c = IO.pipe if capture_stdout
     err_p, err_c = IO.pipe if capture_stderr && capture_stderr != :merge_to_stdout