Add some specs for rubygems paths in `bundle env`

1 files changed, 41 insertions, 0 deletions

diff --git a/spec/bundler/env_spec.rb b/spec/bundler/env_spec.rb
index 45294960dd..3d42c6df02 100644
--- a/spec/bundler/env_spec.rb
+++ b/spec/bundler/env_spec.rb
@@ -18,6 +18,47 @@ RSpec.describe Bundler::Env do
       expect(out).to include(OpenSSL::OPENSSL_VERSION)
     end
 
+    describe "rubygems paths" do
+      it "prints gem home" do
+        with_clear_paths("GEM_HOME", "/a/b/c") do
+          out = described_class.report
+          expect(out).to include("Gem Home    /a/b/c")
+        end
+      end
+
+      it "prints gem path" do
+        with_clear_paths("GEM_PATH", "/a/b/c:/d/e/f") do
+          out = described_class.report
+          expect(out).to include("Gem Path    /a/b/c:/d/e/f")
+        end
+      end
+
+      it "prints user path" do
+        with_clear_paths("HOME", "/a/b/c") do
+          out = described_class.report
+          expect(out).to include("User Path   /a/b/c/.gem")
+        end
+      end
+
+      it "prints bin dir" do
+        with_clear_paths("GEM_HOME", "/a/b/c") do
+          out = described_class.report
+          expect(out).to include("Bin Dir     /a/b/c/bin")
+        end
+      end
+
+    private
+
+      def with_clear_paths(env_var, env_value)
+        old_env_var = ENV[env_var]
+        ENV[env_var] = env_value
+        Gem.clear_paths
+        yield
+      ensure
+        ENV[env_var] = old_env_var
+      end
+    end
+
     context "when there is a Gemfile and a lockfile and print_gemfile is true" do
       before do
         gemfile "gem 'rack', '1.0.0'"