From f194979baec7d84b31d054813cff0e3ec80dc29c Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 20 Jun 2018 11:14:08 +0000
Subject: [PATCH] skip when group name is not found

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63702 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 spec/ruby/library/etc/getgrgid_spec.rb     | 6 +++++-
 spec/ruby/library/etc/struct_group_spec.rb | 6 +++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/spec/ruby/library/etc/getgrgid_spec.rb b/spec/ruby/library/etc/getgrgid_spec.rb
index b5e4132de8..ff07d49016 100644
--- a/spec/ruby/library/etc/getgrgid_spec.rb
+++ b/spec/ruby/library/etc/getgrgid_spec.rb
@@ -13,10 +13,14 @@ end
 
 # TODO: verify these on non-windows, non-darwin OS
 platform_is_not :windows do
+  grpname = IO.popen(%w'id -gn', err: IO::NULL, &:read)
+  next unless $?.success?
+  grpname.chomp!
+
   describe "Etc.getgrgid" do
     before :all do
       @gid = `id -g`.strip.to_i
-      @name = `id -gn`.strip
+      @name = grpname
     end
 
     it "returns a Etc::Group struct instance for the given user" do
diff --git a/spec/ruby/library/etc/struct_group_spec.rb b/spec/ruby/library/etc/struct_group_spec.rb
index 030692116a..0b50ff578f 100644
--- a/spec/ruby/library/etc/struct_group_spec.rb
+++ b/spec/ruby/library/etc/struct_group_spec.rb
@@ -3,12 +3,16 @@ require 'etc'
 
 describe "Struct::Group" do
   platform_is_not :windows do
+    grpname = IO.popen(%w'id -gn', err: IO::NULL, &:read)
+    next unless $?.success?
+    grpname.chomp!
+
     before :all do
       @g = Etc.getgrgid(`id -g`.strip.to_i)
     end
 
     it "returns group name" do
-      @g.name.should == `id -gn`.strip
+      @g.name.should == grpname
     end
 
     it "returns group password" do