diff options
Diffstat (limited to 'spec/ruby/core/process/status/wait_spec.rb')
| -rw-r--r-- | spec/ruby/core/process/status/wait_spec.rb | 158 |
1 files changed, 78 insertions, 80 deletions
diff --git a/spec/ruby/core/process/status/wait_spec.rb b/spec/ruby/core/process/status/wait_spec.rb index b9d80e31f4..57d56209a9 100644 --- a/spec/ruby/core/process/status/wait_spec.rb +++ b/spec/ruby/core/process/status/wait_spec.rb @@ -1,102 +1,100 @@ require_relative '../../../spec_helper' require_relative '../fixtures/common' -ruby_version_is "3.0" do - describe "Process::Status.wait" do - ProcessSpecs.use_system_ruby(self) - - before :all do - begin - leaked = Process.waitall - # Ruby-space should not see PIDs used by mjit - raise "subprocesses leaked before wait specs: #{leaked}" unless leaked.empty? - rescue NotImplementedError - end +describe "Process::Status.wait" do + ProcessSpecs.use_system_ruby(self) + + before :all do + begin + leaked = Process.waitall + # Ruby-space should not see PIDs used by rjit + raise "subprocesses leaked before wait specs: #{leaked}" unless leaked.empty? + rescue NotImplementedError end + end + + it "returns a status with pid -1 if there are no child processes" do + Process::Status.wait.pid.should == -1 + end - it "returns a status with pid -1 if there are no child processes" do - Process::Status.wait.pid.should == -1 + platform_is_not :windows do + it "returns a status with its child pid" do + pid = Process.spawn(ruby_cmd('exit')) + status = Process::Status.wait + status.should be_an_instance_of(Process::Status) + status.pid.should == pid end - platform_is_not :windows do - it "returns a status with its child pid" do - pid = Process.spawn(ruby_cmd('exit')) - status = Process::Status.wait - status.should be_an_instance_of(Process::Status) - status.pid.should == pid - end + it "should not set $? to the Process::Status" do + pid = Process.spawn(ruby_cmd('exit')) + status = Process::Status.wait + $?.should_not equal(status) + end - it "should not set $? to the Process::Status" do - pid = Process.spawn(ruby_cmd('exit')) - status = Process::Status.wait - $?.should_not equal(status) - end + it "should not change the value of $?" do + pid = Process.spawn(ruby_cmd('exit')) + Process.wait + status = $? + Process::Status.wait + status.should equal($?) + end - it "should not change the value of $?" do - pid = Process.spawn(ruby_cmd('exit')) - Process.wait - status = $? - Process::Status.wait - status.should equal($?) - end + it "waits for any child process if no pid is given" do + pid = Process.spawn(ruby_cmd('exit')) + Process::Status.wait.pid.should == pid + -> { Process.kill(0, pid) }.should raise_error(Errno::ESRCH) + end - it "waits for any child process if no pid is given" do - pid = Process.spawn(ruby_cmd('exit')) - Process::Status.wait.pid.should == pid - -> { Process.kill(0, pid) }.should raise_error(Errno::ESRCH) - end + it "waits for a specific child if a pid is given" do + pid1 = Process.spawn(ruby_cmd('exit')) + pid2 = Process.spawn(ruby_cmd('exit')) + Process::Status.wait(pid2).pid.should == pid2 + Process::Status.wait(pid1).pid.should == pid1 + -> { Process.kill(0, pid1) }.should raise_error(Errno::ESRCH) + -> { Process.kill(0, pid2) }.should raise_error(Errno::ESRCH) + end - it "waits for a specific child if a pid is given" do - pid1 = Process.spawn(ruby_cmd('exit')) - pid2 = Process.spawn(ruby_cmd('exit')) - Process::Status.wait(pid2).pid.should == pid2 - Process::Status.wait(pid1).pid.should == pid1 - -> { Process.kill(0, pid1) }.should raise_error(Errno::ESRCH) - -> { Process.kill(0, pid2) }.should raise_error(Errno::ESRCH) - end + it "coerces the pid to an Integer" do + pid1 = Process.spawn(ruby_cmd('exit')) + Process::Status.wait(mock_int(pid1)).pid.should == pid1 + -> { Process.kill(0, pid1) }.should raise_error(Errno::ESRCH) + end - it "coerces the pid to an Integer" do - pid1 = Process.spawn(ruby_cmd('exit')) - Process::Status.wait(mock_int(pid1)).pid.should == pid1 - -> { Process.kill(0, pid1) }.should raise_error(Errno::ESRCH) - end + # This spec is probably system-dependent. + it "waits for a child whose process group ID is that of the calling process" do + pid1 = Process.spawn(ruby_cmd('exit'), pgroup: true) + pid2 = Process.spawn(ruby_cmd('exit')) - # This spec is probably system-dependent. - it "waits for a child whose process group ID is that of the calling process" do - pid1 = Process.spawn(ruby_cmd('exit'), pgroup: true) - pid2 = Process.spawn(ruby_cmd('exit')) + Process::Status.wait(0).pid.should == pid2 + Process::Status.wait.pid.should == pid1 + end - Process::Status.wait(0).pid.should == pid2 - Process::Status.wait.pid.should == pid1 + # This spec is probably system-dependent. + it "doesn't block if no child is available when WNOHANG is used" do + read, write = IO.pipe + pid = Process.fork do + read.close + Signal.trap("TERM") { Process.exit! } + write << 1 + write.close + sleep end - # This spec is probably system-dependent. - it "doesn't block if no child is available when WNOHANG is used" do - read, write = IO.pipe - pid = Process.fork do - read.close - Signal.trap("TERM") { Process.exit! } - write << 1 - write.close - sleep - end + Process::Status.wait(pid, Process::WNOHANG).should be_nil - Process::Status.wait(pid, Process::WNOHANG).should be_nil + # wait for the child to setup its TERM handler + write.close + read.read(1) + read.close - # wait for the child to setup its TERM handler - write.close - read.read(1) - read.close - - Process.kill("TERM", pid) - Process::Status.wait.pid.should == pid - end + Process.kill("TERM", pid) + Process::Status.wait.pid.should == pid + end - it "always accepts flags=0" do - pid = Process.spawn(ruby_cmd('exit')) - Process::Status.wait(-1, 0).pid.should == pid - -> { Process.kill(0, pid) }.should raise_error(Errno::ESRCH) - end + it "always accepts flags=0" do + pid = Process.spawn(ruby_cmd('exit')) + Process::Status.wait(-1, 0).pid.should == pid + -> { Process.kill(0, pid) }.should raise_error(Errno::ESRCH) end end end |