1 files changed, 50 insertions, 0 deletions
diff --git a/spec/bundler/install/binstubs_spec.rb b/spec/bundler/install/binstubs_spec.rb
new file mode 100644
index 0000000000..a1a9ab167d
--- /dev/null
+++ b/spec/bundler/install/binstubs_spec.rb
@@ -0,0 +1,50 @@
+# frozen_string_literal: true
+require "spec_helper"
+
+RSpec.describe "bundle install" do
+  describe "when system_bindir is set" do
+    # On OS X, Gem.bindir defaults to /usr/bin, so system_bindir is useful if
+    # you want to avoid sudo installs for system gems with OS X's default ruby
+    it "overrides Gem.bindir" do
+      expect(Pathname.new("/usr/bin")).not_to be_writable unless Process.euid == 0
+      gemfile <<-G
+        require 'rubygems'
+        def Gem.bindir; "/usr/bin"; end
+        source "file://#{gem_repo1}"
+        gem "rack"
+      G
+
+      config "BUNDLE_SYSTEM_BINDIR" => system_gem_path("altbin").to_s
+      bundle :install
+      expect(the_bundle).to include_gems "rack 1.0.0"
+      expect(system_gem_path("altbin/rackup")).to exist
+    end
+  end
+
+  describe "when multiple gems contain the same exe" do
+    before do
+      build_repo2 do
+        build_gem "fake", "14" do |s|
+          s.executables = "rackup"
+        end
+      end
+
+      install_gemfile <<-G, :binstubs => true
+        source "file://#{gem_repo2}"
+        gem "fake"
+        gem "rack"
+      G
+    end
+
+    it "prints a deprecation notice" do
+      bundle "config major_deprecations true"
+      gembin("rackup")
+      expect(out).to include("Bundler is using a binstub that was created for a different gem.")
+    end
+
+    it "loads the correct spec's executable" do
+      gembin("rackup")
+      expect(out).to eq("1.2")
+    end
+  end
+end