[Settings] Allow not reading the global config file when there is no $HOME and $TMPDIR is not writableseg-read-only-fs-no-global-settings

1 files changed, 13 insertions, 0 deletions

diff --git a/spec/bundler/settings_spec.rb b/spec/bundler/settings_spec.rb
index c67ae81bac..020897882c 100644
--- a/spec/bundler/settings_spec.rb
+++ b/spec/bundler/settings_spec.rb
@@ -62,6 +62,19 @@ that would suck --ehhh=oh geez it looks like i might have broken bundler somehow
     end
   end
 
+  describe "#global_config_file" do
+    context "when $HOME is not accessible" do
+      context "when $TMPDIR is not writable" do
+        it "does not raise" do
+          expect(Bundler.rubygems).to receive(:user_home).twice.and_return(nil)
+          expect(FileUtils).to receive(:mkpath).twice.with(File.join(Dir.tmpdir, "bundler", "home")).and_raise(Errno::EROFS, "Read-only file system @ dir_s_mkdir - /tmp/bundler")
+
+          expect(subject.send(:global_config_file)).to be_nil
+        end
+      end
+    end
+  end
+
   describe "#[]" do
     context "when the local config file is not found" do
       subject(:settings) { described_class.new }