spec/: skip some specs so that no failure occurs in root privilege

Follow up of r61757,  This change makes `sudo make test-spec` pass on my
machine.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61760 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

spec/ruby/core/dir/mkdir_spec.rb

@@ -66,6 +66,7 @@ end
 # The permissions flag are not supported on Windows as stated in documentation:
 # The permissions may be modified by the value of File.umask, and are ignored on NT.
 platform_is_not :windows do
+  as_user do
     describe "Dir.mkdir" do
       before :each do
         @dir = tmp "noperms"
@@ -82,4 +83,5 @@ platform_is_not :windows do
         lambda { Dir.mkdir "#{@dir}/subdir" }.should raise_error(SystemCallError)
       end
     end
+  end
 end

spec/ruby/core/dir/shared/delete.rb

@@ -49,6 +49,7 @@ describe :dir_delete, shared: true do
 
   # this won't work on Windows, since chmod(0000) does not remove all permissions
   platform_is_not :windows do
+    as_user do
       it "raises an Errno::EACCES if lacking adequate permissions to remove the directory" do
         parent = DirSpecs.mock_rmdir("noperm")
         child = DirSpecs.mock_rmdir("noperm", "child")
@@ -58,4 +59,5 @@ describe :dir_delete, shared: true do
         end.should raise_error(Errno::EACCES)
       end
     end
+  end
 end

spec/ruby/core/file/chmod_spec.rb

@@ -71,6 +71,7 @@ describe "File#chmod" do
   end
 
   platform_is_not :windows do
+    as_user do
       it "with '0222' makes file writable but not readable or executable" do
         @file.chmod(0222)
         File.readable?(@filename).should == false
@@ -104,6 +105,7 @@ describe "File#chmod" do
         File.stat(@filename).mode.should == 33261
       end
     end
+  end
 end
 
 describe "File.chmod" do
@@ -204,6 +206,7 @@ describe "File.chmod" do
   end
 
   platform_is_not :windows do
+    as_user do
       it "with '0222' makes file writable but not readable or executable" do
         File.chmod(0222, @file)
         File.readable?(@file).should == false
@@ -217,6 +220,7 @@ describe "File.chmod" do
         File.writable?(@file).should == false
         File.executable?(@file).should == false
       end
+    end
 
     it "with '0666' makes file readable and writable but not executable" do
       File.chmod(0666, @file)
@@ -225,12 +229,14 @@ describe "File.chmod" do
       File.executable?(@file).should == false
     end
 
+    as_user do
       it "with '0111' makes file executable but not readable or writable" do
         File.chmod(0111, @file)
         File.readable?(@file).should == false
         File.writable?(@file).should == false
         File.executable?(@file).should == true
       end
+    end
 
     it "modifies the permission bits of the files specified" do
       File.stat(@file).mode.should == 33261

spec/ruby/core/file/open_spec.rb

@@ -147,6 +147,7 @@ describe "File.open" do
   end
 
   platform_is_not :windows do
+    as_user do
       it "creates a new write-only file when invoked with 'w' and '0222'" do
         rm_r @file
         File.open(@file, 'w', 0222) {}
@@ -154,6 +155,7 @@ describe "File.open" do
         File.writable?(@file).should == true
       end
     end
+  end
 
   it "opens the file when call with fd" do
     @fh = File.open(@file)
@@ -464,18 +466,22 @@ describe "File.open" do
   end
 
   platform_is_not :windows do
+    as_user do
       it "raises an Errno::EACCES when opening non-permitted file" do
         @fh = File.open(@file, "w")
         @fh.chmod(000)
         lambda { fh1 = File.open(@file); fh1.close }.should raise_error(Errno::EACCES)
       end
     end
+  end
 
+  as_user do
     it "raises an Errno::EACCES when opening read-only file" do
       @fh = File.open(@file, "w")
       @fh.chmod(0444)
       lambda { File.open(@file, "w") }.should raise_error(Errno::EACCES)
     end
+  end
 
   it "opens a file for binary read" do
     @fh = File.open(@file, "rb")

spec/ruby/core/file/owned_spec.rb

@@ -24,10 +24,12 @@ describe "File.owned?" do
   end
 
   platform_is_not :windows do
+    as_user do
       it "returns false when the file is not owned by the user" do
         system_file = '/etc/passwd'
         File.owned?(system_file).should == false
       end
     end
+  end
 
 end

spec/ruby/core/file/stat/owned_spec.rb

@@ -22,10 +22,12 @@ describe "File::Stat#owned?" do
   end
 
   platform_is_not :windows do
+    as_user do
       it "returns false if the file is not owned by the user" do
         system_file = '/etc/passwd'
         st = File.stat(system_file)
         st.owned?.should == false
       end
     end
+  end
 end

spec/ruby/core/kernel/shared/require.rb

@@ -27,6 +27,7 @@ describe :kernel_require_basic, shared: true do
 
     # Can't make a file unreadable on these platforms
     platform_is_not :windows, :cygwin do
+      as_user do
         describe "with an unreadable file" do
           before :each do
             @path = tmp("unreadable_file.rb")
@@ -45,6 +46,7 @@ describe :kernel_require_basic, shared: true do
           end
         end
       end
+    end
 
     it "calls #to_str on non-String objects" do
       path = File.expand_path "load_fixture.rb", CODE_LOADING_DIR

spec/ruby/core/process/initgroups_spec.rb

@@ -2,6 +2,7 @@ require File.expand_path('../../../spec_helper', __FILE__)
 
 describe "Process.initgroups" do
   platform_is_not :windows do
+    as_user do
       it "initializes the supplemental group access list" do
         name = `id -un`.strip
         groups = Process.groups
@@ -17,4 +18,5 @@ describe "Process.initgroups" do
         end
       end
     end
+  end
 end

spec/ruby/library/socket/socket/bind_spec.rb

@@ -34,11 +34,13 @@ describe "Socket#bind on SOCK_DGRAM socket" do
   end
 
   platform_is_not :windows, :cygwin do
+    as_user do
       it "raises Errno::EACCES when the current user does not have permission to bind" do
         sockaddr1 = Socket.pack_sockaddr_in(1, "127.0.0.1")
         lambda { @sock.bind(sockaddr1) }.should raise_error(Errno::EACCES)
       end
     end
+  end
 end
 
 describe "Socket#bind on SOCK_STREAM socket" do
@@ -73,9 +75,11 @@ describe "Socket#bind on SOCK_STREAM socket" do
   end
 
   platform_is_not :windows, :cygwin do
+    as_user do
       it "raises Errno::EACCES when the current user does not have permission to bind" do
         sockaddr1 = Socket.pack_sockaddr_in(1, "127.0.0.1")
         lambda { @sock.bind(sockaddr1) }.should raise_error(Errno::EACCES)
       end
     end
+  end
 end

spec/ruby/shared/file/writable.rb

@@ -9,8 +9,10 @@ describe :file_writable, shared: true do
 
   it "returns true if named file is writable by the effective user id of the process, otherwise false" do
     platform_is_not :windows do
+      as_user do
         @object.send(@method, "/etc/passwd").should == false
       end
+    end
     File.open(@file,'w') { @object.send(@method, @file).should == true }
   end