Use ENV["BUNDLE_GEM"] instead of gem command provided by system ruby.

  It break the examples of bundler. Because some examples detect the
  different version of system ruby than test target version like trunk.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67086 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 9 insertions, 5 deletions

diff --git a/spec/bundler/commands/clean_spec.rb b/spec/bundler/commands/clean_spec.rb
index 158d58d67c..c18c7a195f 100644
--- a/spec/bundler/commands/clean_spec.rb
+++ b/spec/bundler/commands/clean_spec.rb
@@ -339,7 +339,8 @@ RSpec.describe "bundle clean" do
       gem "rack"
     G
 
-    sys_exec! "gem list"
+    gem = ruby_core? ? ENV["BUNDLE_GEM"] : "gem"
+    sys_exec! "#{gem} list"
     expect(out).to include("rack (1.0.0)").and include("thin (1.0)")
   end
 
@@ -461,8 +462,9 @@ RSpec.describe "bundle clean" do
     end
     bundle! :update, :all => bundle_update_requires_all?
 
-    sys_exec! "gem list"
-    expect(out).to include("foo (1.0.1, 1.0)")
+    gem = ruby_core? ? ENV["BUNDLE_GEM"] : "gem"
+    sys_exec! "#{gem} list"
+  expect(out).to include("foo (1.0.1, 1.0)")
   end
 
   it "cleans system gems when --force is used" do
@@ -485,7 +487,8 @@ RSpec.describe "bundle clean" do
     bundle "clean --force"
 
     expect(out).to include("Removing foo (1.0)")
-    sys_exec "gem list"
+    gem = ruby_core? ? ENV["BUNDLE_GEM"] : "gem"
+    sys_exec "#{gem} list"
     expect(out).not_to include("foo (1.0)")
     expect(out).to include("rack (1.0.0)")
   end
@@ -519,7 +522,8 @@ RSpec.describe "bundle clean" do
       expect(out).to include(system_gem_path.to_s)
       expect(out).to include("grant write permissions")
 
-      sys_exec "gem list"
+      gem = ruby_core? ? ENV["BUNDLE_GEM"] : "gem"
+      sys_exec "#{gem} list"
       expect(out).to include("foo (1.0)")
       expect(out).to include("rack (1.0.0)")
     end