old_contents: import os
  
  from spec import Spec
  
  from invoke import run
  
  from _util import assert_cpu_usage
  
  
  class Runner_(Spec):
      def setup(self):
          os.chdir(os.path.join(os.path.dirname(__file__), '_support'))
  
      class responding:
          # TODO: update respond_*.py so they timeout instead of hanging forever
          # when not being responded to
  
          def base_case(self):
              # Basic "doesn't explode" test: respond.py will exit nonzero unless
              # this works, causing a Failure.
              responses = {r"What's the password\?": "Rosebud\n"}
              # Gotta give -u or Python will line-buffer its stdout, so we'll
              # never actually see the prompt.
              run("python -u respond_base.py", responses=responses, hide=True)
  
          def both_streams(self):
              responses = {
                  "standard out": "with it\n",
                  "standard error": "between chair and keyboard\n",
              }
              run("python -u respond_both.py", responses=responses, hide=True)
  
          def stdin_mirroring_isnt_cpu_heavy(self):
              "stdin mirroring isn't CPU-heavy"
              with assert_cpu_usage(lt=5.0):
                  run("python -u busywork.py 10", pty=True, hide=True)
  
      class stdin_mirroring:
          def piped_stdin_is_not_conflated_with_mocked_stdin(self):
              # Re: GH issue #308
              # Will die on broken-pipe OSError if bug is present.
              run("echo 'lollerskates' | inv -c nested_or_piped foo")
  
          def nested_invoke_sessions_not_conflated_with_mocked_stdin(self):
              # Also re: GH issue #308. This one will just hang forever. Woo!
              run("inv -c nested_or_piped calls_foo")
  
new_contents: import os
  
  from spec import Spec
  
  from invoke import run
  
  from _util import assert_cpu_usage
  
  
  class Runner_(Spec):
      def setup(self):
          os.chdir(os.path.join(os.path.dirname(__file__), '_support'))
  
      class responding:
          # TODO: update respond_*.py so they timeout instead of hanging forever
          # when not being responded to
  
          def base_case(self):
              # Basic "doesn't explode" test: respond.py will exit nonzero unless
              # this works, causing a Failure.
              responses = {r"What's the password\?": "Rosebud\n"}
              # Gotta give -u or Python will line-buffer its stdout, so we'll
              # never actually see the prompt.
              run("python -u respond_base.py", responses=responses, hide=True)
  
          def both_streams(self):
              responses = {
                  "standard out": "with it\n",
                  "standard error": "between chair and keyboard\n",
              }
              run("python -u respond_both.py", responses=responses, hide=True)
  
          def stdin_mirroring_isnt_cpu_heavy(self):
              "stdin mirroring isn't CPU-heavy"
              with assert_cpu_usage(lt=5.0):
                  run("python -u busywork.py 10", pty=True, hide=True)
  
      class stdin_mirroring:
          def piped_stdin_is_not_conflated_with_mocked_stdin(self):
              # Re: GH issue #308
              # Will die on broken-pipe OSError if bug is present.
              run("echo 'lollerskates' | inv -c nested_or_piped foo", hide=True)
  
          def nested_invoke_sessions_not_conflated_with_mocked_stdin(self):
              # Also re: GH issue #308. This one will just hang forever. Woo!
              run("inv -c nested_or_piped calls_foo", hide=True)
  
subject: Hide output from some tests