1 files changed, 292 insertions, 0 deletions
diff --git a/spec/bundler/cache/gems_spec.rb b/spec/bundler/cache/gems_spec.rb
new file mode 100644
index 0000000000..7828c87fec
--- /dev/null
+++ b/spec/bundler/cache/gems_spec.rb
@@ -0,0 +1,292 @@
+# frozen_string_literal: true
+require "spec_helper"
+
+RSpec.describe "bundle cache" do
+  describe "when there are only gemsources" do
+    before :each do
+      gemfile <<-G
+        gem 'rack'
+      G
+
+      system_gems "rack-1.0.0"
+      bundle :cache
+    end
+
+    it "copies the .gem file to vendor/cache" do
+      expect(bundled_app("vendor/cache/rack-1.0.0.gem")).to exist
+    end
+
+    it "uses the cache as a source when installing gems" do
+      build_gem "omg", :path => bundled_app("vendor/cache")
+
+      install_gemfile <<-G
+        source "file://#{gem_repo1}"
+        gem "omg"
+      G
+
+      expect(the_bundle).to include_gems "omg 1.0.0"
+    end
+
+    it "uses the cache as a source when installing gems with --local" do
+      system_gems []
+      bundle "install --local"
+
+      expect(the_bundle).to include_gems("rack 1.0.0")
+    end
+
+    it "does not reinstall gems from the cache if they exist on the system" do
+      build_gem "rack", "1.0.0", :path => bundled_app("vendor/cache") do |s|
+        s.write "lib/rack.rb", "RACK = 'FAIL'"
+      end
+
+      install_gemfile <<-G
+        gem "rack"
+      G
+
+      expect(the_bundle).to include_gems("rack 1.0.0")
+    end
+
+    it "does not reinstall gems from the cache if they exist in the bundle" do
+      system_gems "rack-1.0.0"
+
+      gemfile <<-G
+        gem "rack"
+      G
+
+      build_gem "rack", "1.0.0", :path => bundled_app("vendor/cache") do |s|
+        s.write "lib/rack.rb", "RACK = 'FAIL'"
+      end
+
+      bundle "install --local"
+      expect(the_bundle).to include_gems("rack 1.0.0")
+    end
+
+    it "creates a lockfile" do
+      cache_gems "rack-1.0.0"
+
+      gemfile <<-G
+        gem "rack"
+      G
+
+      bundle "cache"
+
+      expect(bundled_app("Gemfile.lock")).to exist
+    end
+  end
+
+  describe "when there is a built-in gem", :ruby => "2.0" do
+    before :each do
+      build_repo2 do
+        build_gem "builtin_gem", "1.0.2"
+      end
+
+      build_gem "builtin_gem", "1.0.2", :to_system => true do |s|
+        s.summary = "This builtin_gem is bundled with Ruby"
+      end
+
+      FileUtils.rm("#{system_gem_path}/cache/builtin_gem-1.0.2.gem")
+    end
+
+    it "uses builtin gems" do
+      install_gemfile %(gem 'builtin_gem', '1.0.2')
+      expect(the_bundle).to include_gems("builtin_gem 1.0.2")
+    end
+
+    it "caches remote and builtin gems" do
+      install_gemfile <<-G
+        source "file://#{gem_repo2}"
+        gem 'builtin_gem', '1.0.2'
+        gem 'rack', '1.0.0'
+      G
+
+      bundle :cache
+      expect(bundled_app("vendor/cache/rack-1.0.0.gem")).to exist
+      expect(bundled_app("vendor/cache/builtin_gem-1.0.2.gem")).to exist
+    end
+
+    it "doesn't make remote request after caching the gem" do
+      build_gem "builtin_gem_2", "1.0.2", :path => bundled_app("vendor/cache") do |s|
+        s.summary = "This builtin_gem is bundled with Ruby"
+      end
+
+      install_gemfile <<-G
+        source "file://#{gem_repo2}"
+        gem 'builtin_gem_2', '1.0.2'
+      G
+
+      bundle "install --local"
+      expect(the_bundle).to include_gems("builtin_gem_2 1.0.2")
+    end
+
+    it "errors if the builtin gem isn't available to cache" do
+      install_gemfile <<-G
+        gem 'builtin_gem', '1.0.2'
+      G
+
+      bundle :cache
+      expect(exitstatus).to_not eq(0) if exitstatus
+      expect(out).to include("builtin_gem-1.0.2 is built in to Ruby, and can't be cached")
+    end
+  end
+
+  describe "when there are also git sources" do
+    before do
+      build_git "foo"
+      system_gems "rack-1.0.0"
+
+      install_gemfile <<-G
+        source "file://#{gem_repo1}"
+        git "#{lib_path("foo-1.0")}" do
+          gem 'foo'
+        end
+        gem 'rack'
+      G
+    end
+
+    it "still works" do
+      bundle :cache
+
+      system_gems []
+      bundle "install --local"
+
+      expect(the_bundle).to include_gems("rack 1.0.0", "foo 1.0")
+    end
+
+    it "should not explode if the lockfile is not present" do
+      FileUtils.rm(bundled_app("Gemfile.lock"))
+
+      bundle :cache
+
+      expect(bundled_app("Gemfile.lock")).to exist
+    end
+  end
+
+  describe "when previously cached" do
+    before :each do
+      build_repo2
+      install_gemfile <<-G
+        source "file://#{gem_repo2}"
+        gem "rack"
+        gem "actionpack"
+      G
+      bundle :cache
+      expect(cached_gem("rack-1.0.0")).to exist
+      expect(cached_gem("actionpack-2.3.2")).to exist
+      expect(cached_gem("activesupport-2.3.2")).to exist
+    end
+
+    it "re-caches during install" do
+      cached_gem("rack-1.0.0").rmtree
+      bundle :install
+      expect(out).to include("Updating files in vendor/cache")
+      expect(cached_gem("rack-1.0.0")).to exist
+    end
+
+    it "adds and removes when gems are updated" do
+      update_repo2
+      bundle "update"
+      expect(cached_gem("rack-1.2")).to exist
+      expect(cached_gem("rack-1.0.0")).not_to exist
+    end
+
+    it "adds new gems and dependencies" do
+      install_gemfile <<-G
+        source "file://#{gem_repo2}"
+        gem "rails"
+      G
+      expect(cached_gem("rails-2.3.2")).to exist
+      expect(cached_gem("activerecord-2.3.2")).to exist
+    end
+
+    it "removes .gems for removed gems and dependencies" do
+      install_gemfile <<-G
+        source "file://#{gem_repo2}"
+        gem "rack"
+      G
+      expect(cached_gem("rack-1.0.0")).to exist
+      expect(cached_gem("actionpack-2.3.2")).not_to exist
+      expect(cached_gem("activesupport-2.3.2")).not_to exist
+    end
+
+    it "removes .gems when gem changes to git source" do
+      build_git "rack"
+
+      install_gemfile <<-G
+        source "file://#{gem_repo2}"
+        gem "rack", :git => "#{lib_path("rack-1.0")}"
+        gem "actionpack"
+      G
+      expect(cached_gem("rack-1.0.0")).not_to exist
+      expect(cached_gem("actionpack-2.3.2")).to exist
+      expect(cached_gem("activesupport-2.3.2")).to exist
+    end
+
+    it "doesn't remove gems that are for another platform" do
+      simulate_platform "java" do
+        install_gemfile <<-G
+          source "file://#{gem_repo1}"
+          gem "platform_specific"
+        G
+
+        bundle :cache
+        expect(cached_gem("platform_specific-1.0-java")).to exist
+      end
+
+      simulate_new_machine
+      install_gemfile <<-G
+        source "file://#{gem_repo1}"
+        gem "platform_specific"
+      G
+
+      expect(cached_gem("platform_specific-1.0-#{Bundler.local_platform}")).to exist
+      expect(cached_gem("platform_specific-1.0-java")).to exist
+    end
+
+    it "doesn't remove gems with mismatched :rubygems_version or :date" do
+      cached_gem("rack-1.0.0").rmtree
+      build_gem "rack", "1.0.0",
+        :path => bundled_app("vendor/cache"),
+        :rubygems_version => "1.3.2"
+      simulate_new_machine
+
+      bundle :install
+      expect(cached_gem("rack-1.0.0")).to exist
+    end
+
+    it "handles directories and non .gem files in the cache" do
+      bundled_app("vendor/cache/foo").mkdir
+      File.open(bundled_app("vendor/cache/bar"), "w") {|f| f.write("not a gem") }
+      bundle :cache
+    end
+
+    it "does not say that it is removing gems when it isn't actually doing so" do
+      install_gemfile <<-G
+        source "file://#{gem_repo1}"
+        gem "rack"
+      G
+      bundle "cache"
+      bundle "install"
+      expect(out).not_to match(/removing/i)
+    end
+
+    it "does not warn about all if it doesn't have any git/path dependency" do
+      install_gemfile <<-G
+        source "file://#{gem_repo1}"
+        gem "rack"
+      G
+      bundle "cache"
+      expect(out).not_to match(/\-\-all/)
+    end
+
+    it "should install gems with the name bundler in them (that aren't bundler)" do
+      build_gem "foo-bundler", "1.0",
+        :path => bundled_app("vendor/cache")
+
+      install_gemfile <<-G
+        gem "foo-bundler"
+      G
+
+      expect(the_bundle).to include_gems "foo-bundler 1.0"
+    end
+  end
+end