From 5998012a0c7244fe217c2d4f494e50f32ec85d29 Mon Sep 17 00:00:00 2001
From: David Rodríguez <deivid.rodriguez@riseup.net>
Date: Mon, 7 Jan 2019 12:00:35 +0100
Subject: [rubygems/rubygems] Autoswitch to exact bundler version if present

https://github.com/rubygems/rubygems/commit/bb02953a97
---
 test/rubygems/test_gem.rb                        | 34 ++++++++++++++++++++++++
 test/rubygems/test_gem_bundler_version_finder.rb |  2 +-
 2 files changed, 35 insertions(+), 1 deletion(-)

(limited to 'test')

diff --git a/test/rubygems/test_gem.rb b/test/rubygems/test_gem.rb
index f409453c1d..b25068405d 100644
--- a/test/rubygems/test_gem.rb
+++ b/test/rubygems/test_gem.rb
@@ -341,6 +341,40 @@ class TestGem < Gem::TestCase
     refute_includes e.message, "can't find gem bundler (>= 0.a) with executable bundle"
   end
 
+  def test_activate_bin_path_selects_exact_bundler_version_if_present
+    bundler_latest = util_spec 'bundler', '2.0.1' do |s|
+      s.executables = ['bundle']
+    end
+
+    bundler_previous = util_spec 'bundler', '2.0.0' do |s|
+      s.executables = ['bundle']
+    end
+
+    install_specs bundler_latest, bundler_previous
+
+    File.open("Gemfile.lock", "w") do |f|
+      f.write <<-L.gsub(/ {8}/, "")
+        GEM
+          remote: https://rubygems.org/
+          specs:
+
+        PLATFORMS
+          ruby
+
+        DEPENDENCIES
+
+        BUNDLED WITH
+          2.0.0
+      L
+    end
+
+    File.open("Gemfile", "w") { |f| f.puts('source "https://rubygems.org"') }
+
+    load Gem.activate_bin_path("bundler", "bundle", ">= 0.a")
+
+    assert_equal %w(bundler-2.0.0), loaded_spec_names
+  end
+
   def test_self_bin_path_no_exec_name
     e = assert_raises ArgumentError do
       Gem.bin_path 'a'
diff --git a/test/rubygems/test_gem_bundler_version_finder.rb b/test/rubygems/test_gem_bundler_version_finder.rb
index 8e883bc719..34a451b64d 100644
--- a/test/rubygems/test_gem_bundler_version_finder.rb
+++ b/test/rubygems/test_gem_bundler_version_finder.rb
@@ -116,7 +116,7 @@ class TestGemBundlerVersionFinder < Gem::TestCase
       assert_equal %w[1 1.0 1.0.1.1], util_filter_specs(specs).map(&:version).map(&:to_s)
     end
     bvf.stub(:bundler_version, v("2.a")) do
-      assert_equal %w[2 2.a 2.0 2.1.1], util_filter_specs(specs).map(&:version).map(&:to_s)
+      assert_equal %w[2.a 2 2.0 2.1.1], util_filter_specs(specs).map(&:version).map(&:to_s)
     end
     bvf.stub(:bundler_version, v("3")) do
       assert_equal %w[3 3.a 3.0 3.1.1], util_filter_specs(specs).map(&:version).map(&:to_s)
-- 
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