Create `TemporaryResourceError` that `SharedHelpers#filesystem_access` raises for `Errno::EAGAIN`

- Pull out `action` as an instance method of `PermissionError`

1 files changed, 10 insertions, 0 deletions

diff --git a/spec/bundler/definition_spec.rb b/spec/bundler/definition_spec.rb
index 076f2c8632..8dc4bd28f0 100644
--- a/spec/bundler/definition_spec.rb
+++ b/spec/bundler/definition_spec.rb
@@ -19,5 +19,15 @@ describe Bundler::Definition do
           to raise_error(Bundler::PermissionError, /Gemfile\.lock/)
       end
     end
+    context "when a temporary resource access issue occurs" do
+      subject { Bundler::Definition.new(nil, [], Bundler::SourceList.new, []) }
+
+      it "raises a TemporaryResourceError with explanation" do
+        expect(File).to receive(:open).with("Gemfile.lock", "wb").
+          and_raise(Errno::EAGAIN)
+        expect { subject.lock("Gemfile.lock") }.
+          to raise_error(Bundler::TemporaryResourceError, /temporarily unavailable/)
+      end
+    end
   end
 end