14 files changed, 334 insertions, 0 deletions
diff --git a/spec/rubyspec/library/etc/endgrent_spec.rb b/spec/rubyspec/library/etc/endgrent_spec.rb
new file mode 100644
index 0000000000..95f0dc05e3
--- /dev/null
+++ b/spec/rubyspec/library/etc/endgrent_spec.rb
@@ -0,0 +1,7 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../shared/windows', __FILE__)
+require 'etc'
+
+describe "Etc.endgrent" do
+  it_behaves_like(:etc_on_windows, :endgrent)
+end
diff --git a/spec/rubyspec/library/etc/endpwent_spec.rb b/spec/rubyspec/library/etc/endpwent_spec.rb
new file mode 100644
index 0000000000..7ce8f1925b
--- /dev/null
+++ b/spec/rubyspec/library/etc/endpwent_spec.rb
@@ -0,0 +1,7 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../shared/windows', __FILE__)
+require 'etc'
+
+describe "Etc.endpwent" do
+  it_behaves_like(:etc_on_windows, :endpwent)
+end
diff --git a/spec/rubyspec/library/etc/getgrent_spec.rb b/spec/rubyspec/library/etc/getgrent_spec.rb
new file mode 100644
index 0000000000..96225e351a
--- /dev/null
+++ b/spec/rubyspec/library/etc/getgrent_spec.rb
@@ -0,0 +1,7 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../shared/windows', __FILE__)
+require 'etc'
+
+describe "Etc.getgrent" do
+  it_behaves_like(:etc_on_windows, :getgrent)
+end
diff --git a/spec/rubyspec/library/etc/getgrgid_spec.rb b/spec/rubyspec/library/etc/getgrgid_spec.rb
new file mode 100644
index 0000000000..9b6b283d52
--- /dev/null
+++ b/spec/rubyspec/library/etc/getgrgid_spec.rb
@@ -0,0 +1,70 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'etc'
+
+platform_is :windows do
+  describe "Etc.getgrgid" do
+    it "returns nil" do
+      Etc.getgrgid(1).should == nil
+      Etc.getgrgid(nil).should == nil
+      Etc.getgrgid('nil').should == nil
+    end
+  end
+end
+
+# TODO: verify these on non-windows, non-darwin OS
+platform_is_not :windows do
+  describe "Etc.getgrgid" do
+    before :all do
+      @gid = `id -g`.strip.to_i
+      @name = `id -gn`.strip
+    end
+
+    it "returns a Etc::Group struct instance for the given user" do
+      gr = Etc.getgrgid(@gid)
+
+      gr.is_a?(Etc::Group).should == true
+      gr.gid.should == @gid
+      gr.name.should == @name
+    end
+
+    it "returns the Etc::Group for a given gid if it exists" do
+      grp = Etc.getgrgid(@gid)
+      grp.should be_kind_of(Etc::Group)
+      grp.gid.should == @gid
+      grp.name.should == @name
+    end
+
+    it "uses Process.gid as the default value for the argument" do
+      gr = Etc.getgrgid
+
+      gr.gid.should == @gid
+      gr.name.should == @name
+    end
+
+    it "returns the Group for a given gid if it exists" do
+      grp = Etc.getgrgid(@gid)
+      grp.should be_kind_of(Struct::Group)
+      grp.gid.should == @gid
+      grp.name.should == @name
+    end
+
+    it "raises if the group does not exist" do
+      lambda { Etc.getgrgid(9876)}.should raise_error(ArgumentError)
+    end
+
+    it "raises a TypeError if not passed an Integer" do
+      lambda { Etc.getgrgid("foo") }.should raise_error(TypeError)
+      lambda { Etc.getgrgid(nil)   }.should raise_error(TypeError)
+    end
+
+    it "can be called safely by multiple threads" do
+      20.times.map do
+        Thread.new do
+          100.times do
+            Etc.getgrgid(@gid).gid.should == @gid
+          end
+        end
+      end.each(&:join)
+    end
+  end
+end
diff --git a/spec/rubyspec/library/etc/getgrnam_spec.rb b/spec/rubyspec/library/etc/getgrnam_spec.rb
new file mode 100644
index 0000000000..46193f49d6
--- /dev/null
+++ b/spec/rubyspec/library/etc/getgrnam_spec.rb
@@ -0,0 +1,30 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'etc'
+
+platform_is :windows do
+  describe "Etc.getgrnam" do
+    it "returns nil" do
+      Etc.getgrnam(1).should == nil
+      Etc.getgrnam(nil).should == nil
+      Etc.getgrnam('nil').should == nil
+    end
+  end
+end
+
+platform_is_not :windows do
+  describe "Etc.getgrnam" do
+    it "returns a Etc::Group struct instance for the given group" do
+      gr_name = Etc.getgrent.name
+      Etc.endgrent
+      gr = Etc.getgrnam(gr_name)
+      gr.is_a?(Etc::Group).should == true
+    end
+
+    it "only accepts strings as argument" do
+      lambda {
+        Etc.getgrnam(123)
+        Etc.getgrnam(nil)
+      }.should raise_error(TypeError)
+    end
+  end
+end
diff --git a/spec/rubyspec/library/etc/getlogin_spec.rb b/spec/rubyspec/library/etc/getlogin_spec.rb
new file mode 100644
index 0000000000..ae52942a92
--- /dev/null
+++ b/spec/rubyspec/library/etc/getlogin_spec.rb
@@ -0,0 +1,32 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'etc'
+
+describe "Etc.getlogin" do
+  it "returns the name associated with the current login activity" do
+    getlogin_null = false
+
+    # POSIX logname(1) shows getlogin(2)'s result
+    # NOTE: Etc.getlogin returns ENV['USER'] if getlogin(2) returns NULL
+    begin
+      # make Etc.getlogin to return nil if getlogin(3) returns NULL
+      envuser, ENV['USER'] = ENV['USER'], nil
+      if Etc.getlogin
+        # Etc.getlogin returns the same result of logname(2)
+        # if it returns non NULL
+        Etc.getlogin.should == `id -un`.chomp
+      else
+        # Etc.getlogin may return nil if the login name is not set
+        # because of chroot or sudo or something.
+        Etc.getlogin.should be_nil
+        getlogin_null = true
+      end
+    ensure
+      ENV['USER'] = envuser
+    end
+
+    # if getlogin(2) returns NULL, Etc.getlogin returns ENV['USER']
+    if getlogin_null
+      Etc.getlogin.should == ENV['USER']
+    end
+  end
+end
diff --git a/spec/rubyspec/library/etc/getpwent_spec.rb b/spec/rubyspec/library/etc/getpwent_spec.rb
new file mode 100644
index 0000000000..1c8057c9e5
--- /dev/null
+++ b/spec/rubyspec/library/etc/getpwent_spec.rb
@@ -0,0 +1,7 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../shared/windows', __FILE__)
+require 'etc'
+
+describe "Etc.getpwent" do
+  it_behaves_like(:etc_on_windows, :getpwent)
+end
diff --git a/spec/rubyspec/library/etc/getpwnam_spec.rb b/spec/rubyspec/library/etc/getpwnam_spec.rb
new file mode 100644
index 0000000000..8610b5da91
--- /dev/null
+++ b/spec/rubyspec/library/etc/getpwnam_spec.rb
@@ -0,0 +1,28 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'etc'
+
+platform_is :windows do
+  describe "Etc.getpwnam" do
+    it "returns nil" do
+      Etc.getpwnam(1).should == nil
+      Etc.getpwnam(nil).should == nil
+      Etc.getpwnam('nil').should == nil
+    end
+  end
+end
+
+platform_is_not :windows do
+  describe "Etc.getpwnam" do
+    it "returns a Etc::Passwd struct instance for the given user" do
+      pw = Etc.getpwnam(`whoami`.strip)
+      pw.is_a?(Etc::Passwd).should == true
+    end
+
+    it "only accepts strings as argument" do
+      lambda {
+        Etc.getpwnam(123)
+        Etc.getpwnam(nil)
+      }.should raise_error(TypeError)
+    end
+  end
+end
diff --git a/spec/rubyspec/library/etc/getpwuid_spec.rb b/spec/rubyspec/library/etc/getpwuid_spec.rb
new file mode 100644
index 0000000000..f1c7218c0b
--- /dev/null
+++ b/spec/rubyspec/library/etc/getpwuid_spec.rb
@@ -0,0 +1,36 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'etc'
+
+platform_is :windows do
+  describe "Etc.getpwuid" do
+    it "returns nil" do
+      Etc.getpwuid(1).should == nil
+      Etc.getpwuid(nil).should == nil
+      Etc.getpwuid('nil').should == nil
+    end
+  end
+end
+
+platform_is_not :windows do
+  describe "Etc.getpwuid" do
+    before :all do
+      @pw = Etc.getpwuid(`id -u`.strip.to_i)
+    end
+
+    it "returns a Etc::Passwd struct instance for the given user" do
+      @pw.is_a?(Etc::Passwd).should == true
+    end
+
+    it "uses Process.uid as the default value for the argument" do
+      pw = Etc.getpwuid
+      pw.should == @pw
+    end
+
+    it "only accepts integers as argument" do
+      lambda {
+        Etc.getpwuid("foo")
+        Etc.getpwuid(nil)
+      }.should raise_error(TypeError)
+    end
+  end
+end
diff --git a/spec/rubyspec/library/etc/group_spec.rb b/spec/rubyspec/library/etc/group_spec.rb
new file mode 100644
index 0000000000..8b92cb7bf0
--- /dev/null
+++ b/spec/rubyspec/library/etc/group_spec.rb
@@ -0,0 +1,18 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../shared/windows', __FILE__)
+require 'etc'
+
+describe "Etc.group" do
+  it_behaves_like(:etc_on_windows, :group)
+
+  platform_is_not :windows do
+    it "raises a RuntimeError for parallel iteration" do
+      proc {
+        Etc.group do | group |
+          Etc.group do | group2 |
+          end
+        end
+      }.should raise_error(RuntimeError)
+    end
+  end
+end
diff --git a/spec/rubyspec/library/etc/nprocessors_spec.rb b/spec/rubyspec/library/etc/nprocessors_spec.rb
new file mode 100644
index 0000000000..bce11d06c5
--- /dev/null
+++ b/spec/rubyspec/library/etc/nprocessors_spec.rb
@@ -0,0 +1,11 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'etc'
+
+ruby_version_is "2.2" do
+  describe "Etc.nprocessors" do
+    it "returns the number of online processors" do
+      Etc.nprocessors.should be_kind_of(Integer)
+      Etc.nprocessors.should >= 1
+    end
+  end
+end
diff --git a/spec/rubyspec/library/etc/shared/windows.rb b/spec/rubyspec/library/etc/shared/windows.rb
new file mode 100644
index 0000000000..8bae235199
--- /dev/null
+++ b/spec/rubyspec/library/etc/shared/windows.rb
@@ -0,0 +1,7 @@
+describe :etc_on_windows, shared: true do
+  platform_is :windows do
+    it "returns nil" do
+      Etc.send(@method).should == nil
+    end
+  end
+end
diff --git a/spec/rubyspec/library/etc/struct_group_spec.rb b/spec/rubyspec/library/etc/struct_group_spec.rb
new file mode 100644
index 0000000000..c33a177a98
--- /dev/null
+++ b/spec/rubyspec/library/etc/struct_group_spec.rb
@@ -0,0 +1,31 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'etc'
+
+describe "Struct::Group" do
+  platform_is_not :windows do
+    before :all do
+      @g = Etc.getgrgid(`id -g`.strip.to_i)
+    end
+
+    it "returns group name" do
+      @g.name.should == `id -gn`.strip
+    end
+
+    it "returns group password" do
+      @g.passwd.is_a?(String).should == true
+    end
+
+    it "returns group id" do
+      @g.gid.should == `id -g`.strip.to_i
+    end
+
+    it "returns an array of users belonging to the group" do
+      @g.mem.is_a?(Array).should == true
+    end
+
+    it "can be compared to another object" do
+      (@g == nil).should == false
+      (@g == Object.new).should == false
+    end
+  end
+end
diff --git a/spec/rubyspec/library/etc/struct_passwd_spec.rb b/spec/rubyspec/library/etc/struct_passwd_spec.rb
new file mode 100644
index 0000000000..3e4bfee828
--- /dev/null
+++ b/spec/rubyspec/library/etc/struct_passwd_spec.rb
@@ -0,0 +1,43 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'etc'
+
+describe "Struct::Passwd" do
+  platform_is_not :windows do
+    before :all do
+      @pw = Etc.getpwuid(`id -u`.strip.to_i)
+    end
+
+    it "returns user name" do
+      @pw.name.should == `id -un`.strip
+    end
+
+    it "returns user password" do
+      @pw.passwd.is_a?(String).should == true
+    end
+
+    it "returns user id" do
+      @pw.uid.should == `id -u`.strip.to_i
+    end
+
+    it "returns user group id" do
+      @pw.gid.should == `id -g`.strip.to_i
+    end
+
+    it "returns user personal information (gecos field)" do
+      @pw.gecos.is_a?(String).should == true
+    end
+
+    it "returns user home directory" do
+      @pw.dir.is_a?(String).should == true
+    end
+
+    it "returns user shell" do
+      @pw.shell.is_a?(String).should == true
+    end
+
+    it "can be compared to another object" do
+      (@pw == nil).should == false
+      (@pw == Object.new).should == false
+    end
+  end
+end