add_spec.rb

# frozen_string_literal: true

RSpec.describe "bundle add" do
  before :each do
    build_repo2 do
      build_gem "foo", "1.1"
      build_gem "foo", "2.0"
      build_gem "baz", "1.2.3"
      build_gem "bar", "0.12.3"
      build_gem "cat", "0.12.3.pre"
      build_gem "dog", "1.1.3.pre"
    end

    build_git "foo", "2.0"

    gemfile <<-G
      source "#{file_uri_for(gem_repo2)}"
      gem "weakling", "~> 0.0.1"
    G
  end

  context "when no gems are specified" do
    it "shows error" do
      bundle "add", :raise_on_error => false

      expect(err).to include("Please specify gems to add")
    end
  end

  describe "without version specified" do
    it "version requirement becomes ~> major.minor.patch when resolved version is < 1.0" do
      bundle "add 'bar'"
      expect(bundled_app_gemfile.read).to match(/gem "bar", "~> 0.12.3"/)
      expect(the_bundle).to include_gems "bar 0.12.3"
    end

    it "version requirement becomes ~> major.minor when resolved version is > 1.0" do
      bundle "add 'baz'"
      expect(bundled_app_gemfile.read).to match(/gem "baz", "~> 1.2"/)
      expect(the_bundle).to include_gems "baz 1.2.3"
    end

    it "version requirement becomes ~> major.minor.patch.pre when resolved version is < 1.0" do
      bundle "add 'cat'"
      expect(bundled_app_gemfile.read).to match(/gem "cat", "~> 0.12.3.pre"/)
      expect(the_bundle).to include_gems "cat 0.12.3.pre"
    end

    it "version requirement becomes ~> major.minor.pre when resolved version is > 1.0.pre" do
      bundle "add 'dog'"
      expect(bundled_app_gemfile.read).to match(/gem "dog", "~> 1.1.pre"/)
      expect(the_bundle).to include_gems "dog 1.1.3.pre"
    end
  end

  describe "with --version" do
    it "adds dependency of specified version and runs install" do
      bundle "add 'foo' --version='~> 1.0'"
      expect(bundled_app_gemfile.read).to match(/gem "foo", "~> 1.0"/)
      expect(the_bundle).to include_gems "foo 1.1"
    end

    it "adds multiple version constraints when specified" do
      requirements = ["< 3.0", "> 1.0"]
      bundle "add 'foo' --version='#{requirements.join(", ")}'"
      expect(bundled_app_gemfile.read).to match(/gem "foo", #{Gem::Requirement.new(requirements).as_list.map(&:dump).join(', ')}/)
      expect(the_bundle).to include_gems "foo 2.0"
    end
  end

  describe "with --group" do
    it "adds dependency for the specified group" do
      bundle "add 'foo' --group='development'"
      expect(bundled_app_gemfile.read).to match(/gem "foo", "~> 2.0", :group => :development/)
      expect(the_bundle).to include_gems "foo 2.0"
    end

    it "adds dependency to more than one group" do
      bundle "add 'foo' --group='development, test'"
      expect(bundled_app_gemfile.read).to match(/gem "foo", "~> 2.0", :groups => \[:development, :test\]/)
      expect(the_bundle).to include_gems "foo 2.0"
    end
  end

  describe "with --source" do
    it "adds dependency with specified source" do
      bundle "add 'foo' --source='#{file_uri_for(gem_repo2)}'"

      expect(bundled_app_gemfile.read).to match(/gem "foo", "~> 2.0", :source => "#{file_uri_for(gem_repo2)}"/)
      expect(the_bundle).to include_gems "foo 2.0"
    end
  end

  describe "with --git" do
    it "adds dependency with specified github source" do
      bundle "add foo --git=#{lib_path("foo-2.0")}"

      expect(bundled_app_gemfile.read).to match(/gem "foo", "~> 2.0", :git => "#{lib_path("foo-2.0")}"/)
      expect(the_bundle).to include_gems "foo 2.0"
    end
  end

  describe "with --git and --branch" do
    before do
      update_git "foo", "2.0", :branch => "test"
    end

    it "adds dependency with specified github source and branch" do
      bundle "add foo --git=#{lib_path("foo-2.0")} --branch=test"

      expect(bundled_app_gemfile.read).to match(/gem "foo", "~> 2.0", :git => "#{lib_path("foo-2.0")}", :branch => "test"/)
      expect(the_bundle).to include_gems "foo 2.0"
    end
  end

  describe "with --skip-install" do
    it "adds gem to Gemfile but is not installed" do
      bundle "add foo --skip-install --version=2.0"

      expect(bundled_app_gemfile.read).to match(/gem "foo", "= 2.0"/)
      expect(the_bundle).to_not include_gems "foo 2.0"
    end
  end

  it "using combination of short form options works like long form" do
    bundle "add 'foo' -s='#{file_uri_for(gem_repo2)}' -g='development' -v='~>1.0'"
    expect(bundled_app_gemfile.read).to include %(gem "foo", "~> 1.0", :group => :development, :source => "#{file_uri_for(gem_repo2)}")
    expect(the_bundle).to include_gems "foo 1.1"
  end

  it "shows error message when version is not formatted correctly" do
    bundle "add 'foo' -v='~>1 . 0'", :raise_on_error => false
    expect(err).to match("Invalid gem requirement pattern '~>1 . 0'")
  end

  it "shows error message when gem cannot be found" do
    bundle "config set force_ruby_platform true"
    bundle "add 'werk_it'", :raise_on_error => false
    expect(err).to match("Could not find gem 'werk_it' in")

    bundle "add 'werk_it' -s='#{file_uri_for(gem_repo2)}'", :raise_on_error => false
    expect(err).to match("Could not find gem 'werk_it' in rubygems repository")
  end

  it "shows error message when source cannot be reached" do
    bundle "add 'baz' --source='http://badhostasdf'", :raise_on_error => false
    expect(err).to include("Could not reach host badhostasdf. Check your network connection and try again.")

    bundle "add 'baz' --source='file://does/not/exist'", :raise_on_error => false
    expect(err).to include("Could not fetch specs from file://does/not/exist/")
  end

  describe "with --optimistic" do
    it "adds optimistic version" do
      bundle! "add 'foo' --optimistic"
      expect(bundled_app_gemfile.read).to include %(gem "foo", ">= 2.0")
      expect(the_bundle).to include_gems "foo 2.0"
    end
  end

  describe "with --strict option" do
    it "adds strict version" do
      bundle! "add 'foo' --strict"
      expect(bundled_app_gemfile.read).to include %(gem "foo", "= 2.0")
      expect(the_bundle).to include_gems "foo 2.0"
    end
  end

  describe "with no option" do
    it "adds pessimistic version" do
      bundle! "add 'foo'"
      expect(bundled_app_gemfile.read).to include %(gem "foo", "~> 2.0")
      expect(the_bundle).to include_gems "foo 2.0"
    end
  end

  describe "with --optimistic and --strict" do
    it "throws error" do
      bundle "add 'foo' --strict --optimistic", :raise_on_error => false

      expect(err).to include("You can not specify `--strict` and `--optimistic` at the same time")
    end
  end

  context "multiple gems" do
    it "adds multiple gems to gemfile" do
      bundle! "add bar baz"

      expect(bundled_app_gemfile.read).to match(/gem "bar", "~> 0.12.3"/)
      expect(bundled_app_gemfile.read).to match(/gem "baz", "~> 1.2"/)
    end

    it "throws error if any of the specified gems are present in the gemfile with different version" do
      bundle "add weakling bar", :raise_on_error => false

      expect(err).to include("You cannot specify the same gem twice with different version requirements")
      expect(err).to include("You specified: weakling (~> 0.0.1) and weakling (>= 0).")
    end
  end

  describe "when a gem is added which is already specified in Gemfile with version" do
    it "shows an error when added with different version requirement" do
      install_gemfile! <<-G
        source "#{file_uri_for(gem_repo2)}"
        gem "rack", "1.0"
      G

      bundle "add 'rack' --version=1.1", :raise_on_error => false

      expect(err).to include("You cannot specify the same gem twice with different version requirements")
      expect(err).to include("If you want to update the gem version, run `bundle update rack`. You may also need to change the version requirement specified in the Gemfile if it's too restrictive")
    end

    it "shows error when added without version requirements" do
      install_gemfile! <<-G
        source "#{file_uri_for(gem_repo2)}"
        gem "rack", "1.0"
      G

      bundle "add 'rack'", :raise_on_error => false

      expect(err).to include("Gem already added.")
      expect(err).to include("You cannot specify the same gem twice with different version requirements")
      expect(err).not_to include("If you want to update the gem version, run `bundle update rack`. You may also need to change the version requirement specified in the Gemfile if it's too restrictive")
    end
  end

  describe "when a gem is added which is already specified in Gemfile without version" do
    it "shows an error when added with different version requirement" do
      install_gemfile! <<-G
        source "#{file_uri_for(gem_repo2)}"
        gem "rack"
      G

      bundle "add 'rack' --version=1.1", :raise_on_error => false

      expect(err).to include("You cannot specify the same gem twice with different version requirements")
      expect(err).to include("If you want to update the gem version, run `bundle update rack`.")
      expect(err).not_to include("You may also need to change the version requirement specified in the Gemfile if it's too restrictive")
    end
  end

  describe "when a gem is added and cache exists" do
    it "caches all new dependencies added for the specified gem" do
      bundle! :cache

      bundle "add 'rack' --version=1.0.0"
      expect(bundled_app("vendor/cache/rack-1.0.0.gem")).to exist
    end
  end
end