# frozen_string_literal: true

RSpec.describe "bundle install with specific platforms" do
  let(:google_protobuf) { <<-G }
    source "#{file_uri_for(gem_repo2)}"
    gem "google-protobuf"
  G

  context "when on a darwin machine" do
    before { simulate_platform "x86_64-darwin-15" }

    it "locks to the specific darwin platform" do
      setup_multiplatform_gem
      install_gemfile(google_protobuf)
      allow(Bundler::SharedHelpers).to receive(:find_gemfile).and_return(bundled_app_gemfile)
      expect(the_bundle.locked_gems.platforms).to eq([pl("x86_64-darwin-15")])
      expect(the_bundle).to include_gem("google-protobuf 3.0.0.alpha.5.0.5.1 universal-darwin")
      expect(the_bundle.locked_gems.specs.map(&:full_name)).to eq(%w[
        google-protobuf-3.0.0.alpha.5.0.5.1-universal-darwin
      ])
    end

    it "understands that a non-plaform specific gem in a old lockfile doesn't necessarily mean installing the non-specific variant" do
      setup_multiplatform_gem

      system_gems "bundler-2.1.4"

      # Consistent location to install and look for gems
      bundle "config set --local path vendor/bundle", :env => { "BUNDLER_VERSION" => "2.1.4" }

      install_gemfile(google_protobuf, :env => { "BUNDLER_VERSION" => "2.1.4" })

      # simulate lockfile created with old bundler, which only locks for ruby platform
      lockfile <<-L
        GEM
          remote: #{file_uri_for(gem_repo2)}/
          specs:
            google-protobuf (3.0.0.alpha.5.0.5.1)

        PLATFORMS
          ruby

        DEPENDENCIES
          google-protobuf

        BUNDLED WITH
           2.1.4
      L

      # force strict usage of the lock file by setting frozen mode
      bundle "config set --local frozen true", :env => { "BUNDLER_VERSION" => "2.1.4" }

      # make sure the platform that got actually installed with the old bundler is used
      expect(the_bundle).to include_gem("google-protobuf 3.0.0.alpha.5.0.5.1 universal-darwin")
    end

    it "understands that a non-plaform specific gem in a new lockfile locked only to RUBY doesn't necessarily mean installing the non-specific variant" do
      setup_multiplatform_gem

      system_gems "bundler-2.1.4"

      # Consistent location to install and look for gems
      bundle "config set --local path vendor/bundle", :env => { "BUNDLER_VERSION" => "2.1.4" }

      gemfile google_protobuf

      # simulate lockfile created with old bundler, which only locks for ruby platform
      lockfile <<-L
        GEM
          remote: #{file_uri_for(gem_repo2)}/
          specs:
            google-protobuf (3.0.0.alpha.4.0)

        PLATFORMS
          ruby

        DEPENDENCIES
          google-protobuf

        BUNDLED WITH
           2.1.4
      L

      bundle "update", :env => { "BUNDLER_VERSION" => Bundler::VERSION }

      # make sure the platform that the platform specific dependency is used, since we're only locked to ruby
      expect(the_bundle).to include_gem("google-protobuf 3.0.0.alpha.5.0.5.1 universal-darwin")

      # make sure we're still only locked to ruby
      lockfile_should_be <<-L
        GEM
          remote: #{file_uri_for(gem_repo2)}/
          specs:
            google-protobuf (3.0.0.alpha.5.0.5.1)

        PLATFORMS
          ruby

        DEPENDENCIES
          google-protobuf

        BUNDLED WITH
           #{Bundler::VERSION}
      L
    end

    it "doesn't discard previously installed platform specific gem and fall back to ruby on subsequent bundles" do
      build_repo2 do
        build_gem("libv8", "8.4.255.0")
        build_gem("libv8", "8.4.255.0") {|s| s.platform = "universal-darwin" }

        build_gem("mini_racer", "1.0.0") do |s|
          s.add_runtime_dependency "libv8"
        end
      end

      system_gems "bundler-2.1.4"

      # Consistent location to install and look for gems
      bundle "config set --local path vendor/bundle", :env => { "BUNDLER_VERSION" => "2.1.4" }

      gemfile <<-G
        source "https://localgemserver.test"
        gem "libv8"
      G

      # simulate lockfile created with old bundler, which only locks for ruby platform
      lockfile <<-L
        GEM
          remote: https://localgemserver.test/
          specs:
            libv8 (8.4.255.0)

        PLATFORMS
          ruby

        DEPENDENCIES
          libv8

        BUNDLED WITH
           2.1.4
      L

      bundle "install --verbose", :artifice => "compact_index", :env => { "BUNDLER_VERSION" => "2.1.4", "BUNDLER_SPEC_GEM_REPO" => gem_repo2.to_s }
      expect(out).to include("Installing libv8 8.4.255.0 (universal-darwin)")

      bundle "add mini_racer --verbose", :artifice => "compact_index", :env => { "BUNDLER_SPEC_GEM_REPO" => gem_repo2.to_s }
      expect(out).to include("Using libv8 8.4.255.0 (universal-darwin)")
    end

    it "caches the universal-darwin gem when --all-platforms is passed and properly picks it up on further bundler invocations" do
      setup_multiplatform_gem
      gemfile(google_protobuf)
      bundle "cache --all-platforms"
      expect(cached_gem("google-protobuf-3.0.0.alpha.5.0.5.1-universal-darwin")).to exist

      bundle "install --verbose"
      expect(err).to be_empty
    end

    it "caches the universal-darwin gem when cache_all_platforms is configured and properly picks it up on further bundler invocations" do
      setup_multiplatform_gem
      gemfile(google_protobuf)
      bundle "config set --local cache_all_platforms true"
      bundle "cache"
      expect(cached_gem("google-protobuf-3.0.0.alpha.5.0.5.1-universal-darwin")).to exist

      bundle "install --verbose"
      expect(err).to be_empty
    end

    it "caches multiplatform git gems with a single gemspec when --all-platforms is passed" do
      git = build_git "pg_array_parser", "1.0"

      gemfile <<-G
        gem "pg_array_parser", :git => "#{lib_path("pg_array_parser-1.0")}"
      G

      lockfile <<-L
        GIT
          remote: #{lib_path("pg_array_parser-1.0")}
          revision: #{git.ref_for("master")}
          specs:
            pg_array_parser (1.0-java)
            pg_array_parser (1.0)

        GEM
          specs:

        PLATFORMS
          java
          #{lockfile_platforms}

        DEPENDENCIES
          pg_array_parser!

        BUNDLED WITH
           #{Bundler::VERSION}
      L

      bundle "config set --local cache_all true"
      bundle "cache --all-platforms"

      expect(err).to be_empty
    end

    it "uses the platform-specific gem with extra dependencies" do
      setup_multiplatform_gem_with_different_dependencies_per_platform
      install_gemfile <<-G
        source "#{file_uri_for(gem_repo2)}"
        gem "facter"
      G
      allow(Bundler::SharedHelpers).to receive(:find_gemfile).and_return(bundled_app_gemfile)

      expect(the_bundle.locked_gems.platforms).to eq([pl("x86_64-darwin-15")])
      expect(the_bundle).to include_gems("facter 2.4.6 universal-darwin", "CFPropertyList 1.0")
      expect(the_bundle.locked_gems.specs.map(&:full_name)).to eq(["CFPropertyList-1.0",
                                                                   "facter-2.4.6-universal-darwin"])
    end

    context "when adding a platform via lock --add_platform" do
      before do
        allow(Bundler::SharedHelpers).to receive(:find_gemfile).and_return(bundled_app_gemfile)
      end

      it "adds the foreign platform" do
        setup_multiplatform_gem
        install_gemfile(google_protobuf)
        bundle "lock --add-platform=#{x64_mingw}"

        expect(the_bundle.locked_gems.platforms).to eq([x64_mingw, pl("x86_64-darwin-15")])
        expect(the_bundle.locked_gems.specs.map(&:full_name)).to eq(%w[
          google-protobuf-3.0.0.alpha.5.0.5.1-universal-darwin
          google-protobuf-3.0.0.alpha.5.0.5.1-x64-mingw32
        ])
      end

      it "falls back on plain ruby when that version doesnt have a platform-specific gem" do
        setup_multiplatform_gem
        install_gemfile(google_protobuf)
        bundle "lock --add-platform=#{java}"

        expect(the_bundle.locked_gems.platforms).to eq([java, pl("x86_64-darwin-15")])
        expect(the_bundle.locked_gems.specs.map(&:full_name)).to eq(%w[
          google-protobuf-3.0.0.alpha.5.0.5.1
          google-protobuf-3.0.0.alpha.5.0.5.1-universal-darwin
        ])
      end
    end
  end

  private

  def setup_multiplatform_gem
    build_repo2 do
      build_gem("google-protobuf", "3.0.0.alpha.5.0.5.1")
      build_gem("google-protobuf", "3.0.0.alpha.5.0.5.1") {|s| s.platform = "x86_64-linux" }
      build_gem("google-protobuf", "3.0.0.alpha.5.0.5.1") {|s| s.platform = "x64-mingw32" }
      build_gem("google-protobuf", "3.0.0.alpha.5.0.5.1") {|s| s.platform = "universal-darwin" }

      build_gem("google-protobuf", "3.0.0.alpha.5.0.5") {|s| s.platform = "x86_64-linux" }
      build_gem("google-protobuf", "3.0.0.alpha.5.0.5") {|s| s.platform = "x64-mingw32" }
      build_gem("google-protobuf", "3.0.0.alpha.5.0.5")

      build_gem("google-protobuf", "3.0.0.alpha.5.0.4") {|s| s.platform = "universal-darwin" }

      build_gem("google-protobuf", "3.0.0.alpha.4.0")
      build_gem("google-protobuf", "3.0.0.alpha.3.1.pre")
    end
  end

  def setup_multiplatform_gem_with_different_dependencies_per_platform
    build_repo2 do
      build_gem("facter", "2.4.6")
      build_gem("facter", "2.4.6") do |s|
        s.platform = "universal-darwin"
        s.add_runtime_dependency "CFPropertyList"
      end
      build_gem("CFPropertyList")
    end
  end
end