1 files changed, 261 insertions, 0 deletions
diff --git a/spec/bundler/commands/binstubs_spec.rb b/spec/bundler/commands/binstubs_spec.rb
new file mode 100644
index 0000000000..cb0999348e
--- /dev/null
+++ b/spec/bundler/commands/binstubs_spec.rb
@@ -0,0 +1,261 @@
+# frozen_string_literal: true
+require "spec_helper"
+
+RSpec.describe "bundle binstubs <gem>" do
+  context "when the gem exists in the lockfile" do
+    it "sets up the binstub" do
+      install_gemfile <<-G
+        source "file://#{gem_repo1}"
+        gem "rack"
+      G
+
+      bundle "binstubs rack"
+
+      expect(bundled_app("bin/rackup")).to exist
+    end
+
+    it "does not install other binstubs" do
+      install_gemfile <<-G
+        source "file://#{gem_repo1}"
+        gem "rack"
+        gem "rails"
+      G
+
+      bundle "binstubs rails"
+
+      expect(bundled_app("bin/rackup")).not_to exist
+      expect(bundled_app("bin/rails")).to exist
+    end
+
+    it "does install multiple binstubs" do
+      install_gemfile <<-G
+        source "file://#{gem_repo1}"
+        gem "rack"
+        gem "rails"
+      G
+
+      bundle "binstubs rails rack"
+
+      expect(bundled_app("bin/rackup")).to exist
+      expect(bundled_app("bin/rails")).to exist
+    end
+
+    it "displays an error when used without any gem" do
+      install_gemfile <<-G
+        source "file://#{gem_repo1}"
+        gem "rack"
+      G
+
+      bundle "binstubs"
+      expect(exitstatus).to eq(1) if exitstatus
+      expect(out).to include("`bundle binstubs` needs at least one gem to run.")
+    end
+
+    it "does not bundle the bundler binary" do
+      install_gemfile <<-G
+        source "file://#{gem_repo1}"
+      G
+
+      bundle "binstubs bundler"
+
+      expect(bundled_app("bin/bundle")).not_to exist
+      expect(out).to include("Sorry, Bundler can only be run via Rubygems.")
+    end
+
+    it "installs binstubs from git gems" do
+      FileUtils.mkdir_p(lib_path("foo/bin"))
+      FileUtils.touch(lib_path("foo/bin/foo"))
+      build_git "foo", "1.0", :path => lib_path("foo") do |s|
+        s.executables = %w(foo)
+      end
+      install_gemfile <<-G
+        gem "foo", :git => "#{lib_path("foo")}"
+      G
+
+      bundle "binstubs foo"
+
+      expect(bundled_app("bin/foo")).to exist
+    end
+
+    it "installs binstubs from path gems" do
+      FileUtils.mkdir_p(lib_path("foo/bin"))
+      FileUtils.touch(lib_path("foo/bin/foo"))
+      build_lib "foo", "1.0", :path => lib_path("foo") do |s|
+        s.executables = %w(foo)
+      end
+      install_gemfile <<-G
+        gem "foo", :path => "#{lib_path("foo")}"
+      G
+
+      bundle "binstubs foo"
+
+      expect(bundled_app("bin/foo")).to exist
+    end
+
+    it "sets correct permissions for binstubs" do
+      with_umask(0o002) do
+        install_gemfile <<-G
+          source "file://#{gem_repo1}"
+          gem "rack"
+        G
+
+        bundle "binstubs rack"
+        binary = bundled_app("bin/rackup")
+        expect(File.stat(binary).mode.to_s(8)).to eq("100775")
+      end
+    end
+  end
+
+  context "when the gem doesn't exist" do
+    it "displays an error with correct status" do
+      install_gemfile <<-G
+        source "file://#{gem_repo1}"
+      G
+
+      bundle "binstubs doesnt_exist"
+
+      expect(exitstatus).to eq(7) if exitstatus
+      expect(out).to include("Could not find gem 'doesnt_exist'.")
+    end
+  end
+
+  context "--path" do
+    it "sets the binstubs dir" do
+      install_gemfile <<-G
+        source "file://#{gem_repo1}"
+        gem "rack"
+      G
+
+      bundle "binstubs rack --path exec"
+
+      expect(bundled_app("exec/rackup")).to exist
+    end
+
+    it "setting is saved for bundle install" do
+      install_gemfile <<-G
+        source "file://#{gem_repo1}"
+        gem "rack"
+        gem "rails"
+      G
+
+      bundle "binstubs rack --path exec"
+      bundle :install
+
+      expect(bundled_app("exec/rails")).to exist
+    end
+  end
+
+  context "after installing with --standalone" do
+    before do
+      install_gemfile <<-G
+        source "file://#{gem_repo1}"
+        gem "rack"
+      G
+      bundle "install --standalone"
+    end
+
+    it "includes the standalone path" do
+      bundle "binstubs rack --standalone"
+      standalone_line = File.read(bundled_app("bin/rackup")).each_line.find {|line| line.include? "$:.unshift" }.strip
+      expect(standalone_line).to eq %($:.unshift File.expand_path "../../bundle", path.realpath)
+    end
+  end
+
+  context "when the bin already exists" do
+    it "doesn't overwrite and warns" do
+      FileUtils.mkdir_p(bundled_app("bin"))
+      File.open(bundled_app("bin/rackup"), "wb") do |file|
+        file.print "OMG"
+      end
+
+      install_gemfile <<-G
+        source "file://#{gem_repo1}"
+        gem "rack"
+      G
+
+      bundle "binstubs rack"
+
+      expect(bundled_app("bin/rackup")).to exist
+      expect(File.read(bundled_app("bin/rackup"))).to eq("OMG")
+      expect(out).to include("Skipped rackup")
+      expect(out).to include("overwrite skipped stubs, use --force")
+    end
+
+    context "when using --force" do
+      it "overwrites the binstub" do
+        FileUtils.mkdir_p(bundled_app("bin"))
+        File.open(bundled_app("bin/rackup"), "wb") do |file|
+          file.print "OMG"
+        end
+
+        install_gemfile <<-G
+          source "file://#{gem_repo1}"
+          gem "rack"
+        G
+
+        bundle "binstubs rack --force"
+
+        expect(bundled_app("bin/rackup")).to exist
+        expect(File.read(bundled_app("bin/rackup"))).not_to eq("OMG")
+      end
+    end
+  end
+
+  context "when the gem has no bins" do
+    it "suggests child gems if they have bins" do
+      install_gemfile <<-G
+        source "file://#{gem_repo1}"
+        gem "rack-obama"
+      G
+
+      bundle "binstubs rack-obama"
+      expect(out).to include("rack-obama has no executables")
+      expect(out).to include("rack has: rackup")
+    end
+
+    it "works if child gems don't have bins" do
+      install_gemfile <<-G
+        source "file://#{gem_repo1}"
+        gem "actionpack"
+      G
+
+      bundle "binstubs actionpack"
+      expect(out).to include("no executables for the gem actionpack")
+    end
+
+    it "works if the gem has development dependencies" do
+      install_gemfile <<-G
+        source "file://#{gem_repo1}"
+        gem "with_development_dependency"
+      G
+
+      bundle "binstubs with_development_dependency"
+      expect(out).to include("no executables for the gem with_development_dependency")
+    end
+  end
+
+  context "when BUNDLE_INSTALL is specified" do
+    it "performs an automatic bundle install" do
+      gemfile <<-G
+        source "file://#{gem_repo1}"
+        gem "rack"
+      G
+
+      bundle "config auto_install 1"
+      bundle "binstubs rack"
+      expect(out).to include("Installing rack 1.0.0")
+      expect(the_bundle).to include_gems "rack 1.0.0"
+    end
+
+    it "does nothing when already up to date" do
+      install_gemfile <<-G
+        source "file://#{gem_repo1}"
+        gem "rack"
+      G
+
+      bundle "config auto_install 1"
+      bundle "binstubs rack", :env => { "BUNDLE_INSTALL" => 1 }
+      expect(out).not_to include("Installing rack 1.0.0")
+    end
+  end
+end