1 files changed, 113 insertions, 0 deletions
diff --git a/spec/bundler/runtime/load_spec.rb b/spec/bundler/runtime/load_spec.rb
new file mode 100644
index 0000000000..472cde87c5
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+++ b/spec/bundler/runtime/load_spec.rb
@@ -0,0 +1,113 @@
+# frozen_string_literal: true
+
+RSpec.describe "Bundler.load" do
+  describe "with a gemfile" do
+    before(:each) do
+      install_gemfile <<-G
+        source "https://gem.repo1"
+        gem "myrack"
+      G
+      allow(Bundler::SharedHelpers).to receive(:pwd).and_return(bundled_app)
+    end
+
+    it "provides a list of the env dependencies" do
+      expect(Bundler.load.dependencies).to have_dep("myrack", ">= 0")
+    end
+
+    it "provides a list of the resolved gems" do
+      expect(Bundler.load.gems).to have_gem("myrack-1.0.0", "bundler-#{Bundler::VERSION}")
+    end
+
+    it "ignores blank BUNDLE_GEMFILEs" do
+      expect do
+        ENV["BUNDLE_GEMFILE"] = ""
+        Bundler.load
+      end.not_to raise_error
+    end
+  end
+
+  describe "with a gems.rb file" do
+    before(:each) do
+      gemfile "gems.rb", <<-G
+        source "https://gem.repo1"
+        gem "myrack"
+      G
+      bundle :install
+      allow(Bundler::SharedHelpers).to receive(:pwd).and_return(bundled_app)
+    end
+
+    it "provides a list of the env dependencies" do
+      expect(Bundler.load.dependencies).to have_dep("myrack", ">= 0")
+    end
+
+    it "provides a list of the resolved gems" do
+      expect(Bundler.load.gems).to have_gem("myrack-1.0.0", "bundler-#{Bundler::VERSION}")
+    end
+  end
+
+  describe "without a gemfile" do
+    it "raises an exception if the default gemfile is not found" do
+      expect do
+        Bundler.load
+      end.to raise_error(Bundler::GemfileNotFound, /could not locate gemfile/i)
+    end
+
+    it "raises an exception if a specified gemfile is not found" do
+      expect do
+        ENV["BUNDLE_GEMFILE"] = "omg.rb"
+        Bundler.load
+      end.to raise_error(Bundler::GemfileNotFound, /omg\.rb/)
+    end
+
+    it "does not find a Gemfile above the testing directory" do
+      bundler_gemfile = Pathname.new(__dir__).join("../../Gemfile")
+      unless File.exist?(bundler_gemfile)
+        FileUtils.touch(bundler_gemfile)
+        @remove_bundler_gemfile = true
+      end
+      begin
+        expect { Bundler.load }.to raise_error(Bundler::GemfileNotFound)
+      ensure
+        FileUtils.rm_rf bundler_gemfile if @remove_bundler_gemfile
+      end
+    end
+  end
+
+  describe "when called twice" do
+    it "doesn't try to load the runtime twice" do
+      install_gemfile <<-G
+        source "https://gem.repo1"
+        gem "myrack"
+        gem "activesupport", :group => :test
+      G
+
+      ruby <<-RUBY
+        require "bundler"
+        Bundler.setup :default
+        Bundler.require :default
+        puts MYRACK
+        begin
+          require "activesupport"
+        rescue LoadError
+          puts "no activesupport"
+        end
+      RUBY
+
+      expect(out.split("\n")).to eq(["1.0.0", "no activesupport"])
+    end
+  end
+
+  describe "not hurting brittle rubygems" do
+    it "does not inject #source into the generated YAML of the gem specs" do
+      install_gemfile <<-G
+        source "https://gem.repo1"
+        gem "activerecord"
+      G
+      allow(Bundler::SharedHelpers).to receive(:find_gemfile).and_return(bundled_app_gemfile)
+      Bundler.load.specs.each do |spec|
+        expect(spec.to_yaml).not_to match(/^\s+source:/)
+        expect(spec.to_yaml).not_to match(/^\s+groups:/)
+      end
+    end
+  end
+end