1 files changed, 177 insertions, 0 deletions
diff --git a/spec/bundler/install/bundler_spec.rb b/spec/bundler/install/bundler_spec.rb
new file mode 100644
index 0000000000..42863ed89b
--- /dev/null
+++ b/spec/bundler/install/bundler_spec.rb
@@ -0,0 +1,177 @@
+# frozen_string_literal: true
+
+RSpec.describe "bundle install" do
+  describe "with bundler dependencies" do
+    before(:each) do
+      build_repo2 do
+        build_gem "rails", "3.0" do |s|
+          s.add_dependency "bundler", ">= 0.9.0.pre"
+        end
+        build_gem "bundler", "0.9.1"
+        build_gem "bundler", Bundler::VERSION
+      end
+    end
+
+    it "are forced to the current bundler version" do
+      install_gemfile <<-G
+        source "file://#{gem_repo2}"
+        gem "rails", "3.0"
+      G
+
+      expect(the_bundle).to include_gems "bundler #{Bundler::VERSION}"
+    end
+
+    it "are not added if not already present" do
+      install_gemfile <<-G
+        source "file://#{gem_repo1}"
+        gem "rack"
+      G
+      expect(the_bundle).not_to include_gems "bundler #{Bundler::VERSION}"
+    end
+
+    it "causes a conflict if explicitly requesting a different version" do
+      install_gemfile <<-G
+        source "file://#{gem_repo2}"
+        gem "rails", "3.0"
+        gem "bundler", "0.9.2"
+      G
+
+      nice_error = <<-E.strip.gsub(/^ {8}/, "")
+        Bundler could not find compatible versions for gem "bundler":
+          In Gemfile:
+            bundler (= 0.9.2)
+
+          Current Bundler version:
+            bundler (#{Bundler::VERSION})
+        This Gemfile requires a different version of Bundler.
+        Perhaps you need to update Bundler by running `gem install bundler`?
+
+        Could not find gem 'bundler (= 0.9.2)' in any
+        E
+      expect(last_command.bundler_err).to include(nice_error)
+    end
+
+    it "works for gems with multiple versions in its dependencies" do
+      install_gemfile <<-G
+        source "file://#{gem_repo2}"
+
+        gem "multiple_versioned_deps"
+      G
+
+      install_gemfile <<-G
+        source "file://#{gem_repo2}"
+
+        gem "multiple_versioned_deps"
+        gem "rack"
+      G
+
+      expect(the_bundle).to include_gems "multiple_versioned_deps 1.0.0"
+    end
+
+    it "includes bundler in the bundle when it's a child dependency" do
+      install_gemfile <<-G
+        source "file://#{gem_repo2}"
+        gem "rails", "3.0"
+      G
+
+      run "begin; gem 'bundler'; puts 'WIN'; rescue Gem::LoadError; puts 'FAIL'; end"
+      expect(out).to eq("WIN")
+    end
+
+    it "allows gem 'bundler' when Bundler is not in the Gemfile or its dependencies" do
+      install_gemfile <<-G
+        source "file://#{gem_repo2}"
+        gem "rack"
+      G
+
+      run "begin; gem 'bundler'; puts 'WIN'; rescue Gem::LoadError => e; puts e.backtrace; end"
+      expect(out).to eq("WIN")
+    end
+
+    it "causes a conflict if child dependencies conflict" do
+      install_gemfile <<-G
+        source "file://#{gem_repo2}"
+        gem "activemerchant"
+        gem "rails_fail"
+      G
+
+      nice_error = <<-E.strip.gsub(/^ {8}/, "")
+        Bundler could not find compatible versions for gem "activesupport":
+          In Gemfile:
+            activemerchant was resolved to 1.0, which depends on
+              activesupport (>= 2.0.0)
+
+            rails_fail was resolved to 1.0, which depends on
+              activesupport (= 1.2.3)
+      E
+      expect(last_command.bundler_err).to include(nice_error)
+    end
+
+    it "causes a conflict if a child dependency conflicts with the Gemfile" do
+      install_gemfile <<-G
+        source "file://#{gem_repo2}"
+        gem "rails_fail"
+        gem "activesupport", "2.3.5"
+      G
+
+      nice_error = <<-E.strip.gsub(/^ {8}/, "")
+        Bundler could not find compatible versions for gem "activesupport":
+          In Gemfile:
+            activesupport (= 2.3.5)
+
+            rails_fail was resolved to 1.0, which depends on
+              activesupport (= 1.2.3)
+      E
+      expect(last_command.bundler_err).to include(nice_error)
+    end
+
+    it "can install dependencies with newer bundler version with system gems", :ruby => "> 2" do
+      bundle! "config path.system true"
+      install_gemfile! <<-G
+        source "file://#{gem_repo2}"
+        gem "rails", "3.0"
+      G
+
+      simulate_bundler_version "99999999.99.1"
+
+      bundle! "check", :env => { "BUNDLER_SPEC_IGNORE_COMPATIBILITY_GUARD" => "1" }
+      expect(out).to include("The Gemfile's dependencies are satisfied")
+    end
+
+    it "can install dependencies with newer bundler version with a local path", :ruby => "> 2" do
+      bundle! "config path .bundle"
+      bundle! "config global_path_appends_ruby_scope true"
+      install_gemfile! <<-G
+        source "file://#{gem_repo2}"
+        gem "rails", "3.0"
+      G
+
+      simulate_bundler_version "99999999.99.1"
+
+      bundle! "check", :env => { "BUNDLER_SPEC_IGNORE_COMPATIBILITY_GUARD" => "1" }
+      expect(out).to include("The Gemfile's dependencies are satisfied")
+    end
+
+    context "with allow_bundler_dependency_conflicts set" do
+      before { bundle! "config allow_bundler_dependency_conflicts true" }
+
+      it "are forced to the current bundler version with warnings when no compatible version is found" do
+        build_repo4 do
+          build_gem "requires_nonexistant_bundler" do |s|
+            s.add_runtime_dependency "bundler", "99.99.99.99"
+          end
+        end
+
+        install_gemfile! <<-G
+          source "file://#{gem_repo4}"
+          gem "requires_nonexistant_bundler"
+        G
+
+        expect(out).to include "requires_nonexistant_bundler (1.0) has dependency bundler (= 99.99.99.99), " \
+                               "which is unsatisfied by the current bundler version #{Bundler::VERSION}, so the dependency is being ignored"
+
+        expect(the_bundle).to include_gems "bundler #{Bundler::VERSION}", "requires_nonexistant_bundler 1.0"
+      end
+    end
+  end
+end