From 95e8c48dd3348503a8c7db5d0498894a1b676395 Mon Sep 17 00:00:00 2001
From: eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 7 May 2017 12:04:49 +0000
Subject: Add in-tree mspec and ruby/spec

* For easier modifications of ruby/spec by MRI developers.
* .gitignore: track changes under spec.
* spec/mspec, spec/rubyspec: add in-tree mspec and ruby/spec.
  These files can therefore be updated like any other file in MRI.
  Instructions are provided in spec/README.
  [Feature #13156] [ruby-core:79246]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 spec/rubyspec/core/process/daemon_spec.rb | 123 ++++++++++++++++++++++++++++++
 1 file changed, 123 insertions(+)
 create mode 100644 spec/rubyspec/core/process/daemon_spec.rb

(limited to 'spec/rubyspec/core/process/daemon_spec.rb')

diff --git a/spec/rubyspec/core/process/daemon_spec.rb b/spec/rubyspec/core/process/daemon_spec.rb
new file mode 100644
index 0000000000..f68ddfe253
--- /dev/null
+++ b/spec/rubyspec/core/process/daemon_spec.rb
@@ -0,0 +1,123 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/common', __FILE__)
+
+platform_is_not :windows do
+  describe :process_daemon_keep_stdio_open_false, shared: true do
+    it "redirects stdout to /dev/null" do
+      @daemon.invoke("keep_stdio_open_false_stdout", @object).should == ""
+    end
+
+    it "redirects stderr to /dev/null" do
+      @daemon.invoke("keep_stdio_open_false_stderr", @object).should == ""
+    end
+
+    it "redirects stdin to /dev/null" do
+      @daemon.invoke("keep_stdio_open_false_stdin", @object).should == ""
+    end
+
+    it "does not close open files" do
+      @daemon.invoke("keep_stdio_open_files", @object).should == "false"
+    end
+  end
+
+  describe :process_daemon_keep_stdio_open_true, shared: true do
+    it "does not redirect stdout to /dev/null" do
+      @daemon.invoke("keep_stdio_open_true_stdout", @object).should == "writing to stdout"
+    end
+
+    it "does not redirect stderr to /dev/null" do
+      @daemon.invoke("keep_stdio_open_true_stderr", @object).should == "writing to stderr"
+    end
+
+    it "does not redirect stdin to /dev/null" do
+      @daemon.invoke("keep_stdio_open_true_stdin", @object).should == "reading from stdin"
+    end
+
+    it "does not close open files" do
+      @daemon.invoke("keep_stdio_open_files", @object).should == "false"
+    end
+  end
+
+  describe "Process.daemon" do
+    before :each do
+      @invoke_dir = Dir.pwd
+      @daemon = ProcessSpecs::Daemonizer.new
+    end
+
+    after :each do
+      rm_r @daemon.input, @daemon.data if @daemon
+    end
+
+    it "returns 0" do
+      @daemon.invoke("return_value").should == "0"
+    end
+
+    it "has a different PID after daemonizing" do
+      parent, daemon = @daemon.invoke("pid").split(":")
+      parent.should_not == daemon
+    end
+
+    it "has a different process group after daemonizing" do
+      parent, daemon = @daemon.invoke("process_group").split(":")
+      parent.should_not == daemon
+    end
+
+    it "does not run existing at_exit handlers when daemonizing" do
+      @daemon.invoke("daemonizing_at_exit").should == "not running at_exit"
+    end
+
+    it "runs at_exit handlers when the daemon exits" do
+      @daemon.invoke("daemon_at_exit").should == "running at_exit"
+    end
+
+    it "changes directory to the root directory if the first argument is not given" do
+      @daemon.invoke("stay_in_dir").should == "/"
+    end
+
+    it "changes directory to the root directory if the first argument is false" do
+      @daemon.invoke("stay_in_dir", [false]).should == "/"
+    end
+
+    it "changes directory to the root directory if the first argument is nil" do
+      @daemon.invoke("stay_in_dir", [nil]).should == "/"
+    end
+
+    it "does not change to the root directory if the first argument is true" do
+      @daemon.invoke("stay_in_dir", [true]).should == @invoke_dir
+    end
+
+    it "does not change to the root directory if the first argument is non-false" do
+      @daemon.invoke("stay_in_dir", [:yes]).should == @invoke_dir
+    end
+
+    describe "when the second argument is not given" do
+      it_behaves_like :process_daemon_keep_stdio_open_false, nil, [false]
+    end
+
+    describe "when the second argument is false" do
+      it_behaves_like :process_daemon_keep_stdio_open_false, nil, [false, false]
+    end
+
+    describe "when the second argument is nil" do
+      it_behaves_like :process_daemon_keep_stdio_open_false, nil, [false, nil]
+    end
+
+    describe "when the second argument is true" do
+      it_behaves_like :process_daemon_keep_stdio_open_true, nil, [false, true]
+    end
+
+    describe "when the second argument is non-false" do
+      it_behaves_like :process_daemon_keep_stdio_open_true, nil, [false, :yes]
+    end
+  end
+end
+
+platform_is :windows do
+  describe "Process.daemon" do
+    it "raises a NotImplementedError" do
+      lambda {
+        Process.daemon
+      }.should raise_error(NotImplementedError)
+    end
+  end
+end
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