config_spec.rb

require File.expand_path('../spec_helper', __FILE__)

describe "Xcodeproj::Config" do
  extend SpecHelper::TemporaryDirectory

  before do
    @hash = { 'OTHER_LDFLAGS' => '-framework Foundation' }
    @config = Xcodeproj::Config.new(@hash)
    @config_fixture = fixture_path('oneline-key-value.xcconfig')
  end

  it "can be created with hash" do
    config = Xcodeproj::Config.new(@hash)
    config.should.be.equal @hash
  end

  it "can be created with file path" do
    config = Xcodeproj::Config.new(@config_fixture)
    config.should.be.equal @hash
  end

  it "can be created with File instance" do
    xcconfig_file = File.new(@config_fixture)
    xcconfig = Xcodeproj::Config.new(xcconfig_file)
    xcconfig.should.be.equal @hash
  end

  it "does not modifies the hash used for initialization" do
    original = @hash.dup
    config = Xcodeproj::Config.new(@hash)
    @hash.should.be.equal original
  end

  it "parses the frameworks and the libraries" do
    hash = { 'OTHER_LDFLAGS' => '-framework Foundation -weak_framework Twitter -lxml2.2.7.3' }
    config = Xcodeproj::Config.new(hash)
    config.frameworks.to_a.should.be.equal %w[ Foundation ]
    config.weak_frameworks.to_a.should.be.equal %w[ Twitter ]
    config.libraries.to_a.should.be.equal %w[ xml2.2.7.3 ]
  end

  it "can handle libraries specified as a separate argument" do
    # see http://gcc.gnu.org/onlinedocs/gcc/Link-Options.html
    hash = { 'OTHER_LDFLAGS' => '-framework Foundation -l xml2.2.7.3' }
    config = Xcodeproj::Config.new(hash)
    config.libraries.to_a.should.be.equal  %w[ xml2.2.7.3 ]
  end

  it "can be serialized with #to_s" do
    @config.to_s.should.be.equal "OTHER_LDFLAGS = -framework Foundation"
  end

  it "sorts the internal data by setting name when serializing with #to_s" do
    config = Xcodeproj::Config.new('Y' => '2', 'Z' => '3', 'X' => '1')
    config.to_s.should == "X = 1\nY = 2\nZ = 3"
  end

  it "can be serialized with #to_hash" do
    @config.to_hash.should.be.equal @hash
  end

  it "does not serialize with #to_s when inspecting the object" do
    @config.inspect.should == @config.to_hash.inspect
  end

  it "can be compared with other instances" do
    config_dupe = Xcodeproj::Config.new(@hash)
    config_dupe.should.be.equal @config
  end

  it "merges another config hash in place" do
    @config.merge!('HEADER_SEARCH_PATHS' => '/some/path')
    @config.should == {
      'OTHER_LDFLAGS' => '-framework Foundation',
      'HEADER_SEARCH_PATHS' => '/some/path'
    }
  end

  it "merges another config hash in place with the `<<` shortcut" do
    @config << { 'HEADER_SEARCH_PATHS' => '/some/path' }
    @config.should == {
      'OTHER_LDFLAGS' => '-framework Foundation',
      'HEADER_SEARCH_PATHS' => '/some/path'
    }
  end

  it "merges another hash in a new one" do
    new = @config.merge('HEADER_SEARCH_PATHS' => '/some/path')
    new.object_id.should.not == @config.object_id
    new.should == {
      'OTHER_LDFLAGS' => '-framework Foundation',
      'HEADER_SEARCH_PATHS' => '/some/path'
    }
    @config.should == { 'OTHER_LDFLAGS' => '-framework Foundation' }
  end

  it "appends a value for the same key when merging" do
    @config.merge!('OTHER_LDFLAGS' => '-l xml2.2.7.3')
    @config.should == {
      'OTHER_LDFLAGS' => '-lxml2.2.7.3 -framework Foundation'
    }
  end

  it "generates the config file with refs to all included xcconfigs" do
    @config.includes = ['Somefile']
    @config.to_s.split("\n").first.should == '#include "Somefile"'
  end

  it "creates the config file" do
    @config.merge!('HEADER_SEARCH_PATHS' => '/some/path')
    @config.merge!('OTHER_LDFLAGS' => '-l xml2.2.7.3')
    @config.save_as(temporary_directory + 'Pods.xcconfig')
    (temporary_directory + 'Pods.xcconfig').read.split("\n").sort.should == [
      "OTHER_LDFLAGS = -lxml2.2.7.3 -framework Foundation",
      "HEADER_SEARCH_PATHS = /some/path"
    ].sort
  end

  it "contains file path refs to all included xcconfigs" do
    config = Xcodeproj::Config.new(fixture_path('include.xcconfig'))
    config.includes.size.should.be.equal 1
    config.includes.first.should.be.equal 'Somefile'
  end

  it 'can be created from multiline file' do
    config = Xcodeproj::Config.new(fixture_path('sample.xcconfig'))
    config.should == {
      'Key1' => 'Value1 Value2',
      'Key2' => 'Value3 Value4 Value5',
      'Key3' => 'Value6',
      'Key4' => ''
    }
  end

  it 'can be created from file with comments inside' do
    config = Xcodeproj::Config.new(fixture_path('with-comments.xcconfig'))
    config.should == { 'Key' => 'Value' }
  end

  it "doesn't duplicates libraries and frameworks" do
    hash = { 'OTHER_LDFLAGS' => '-framework Foundation -weak_framework Twitter -lxml2.2.7.3' }
    config = Xcodeproj::Config.new(hash)
    # merge the original hash again
    config.merge!(hash)
    config.frameworks.add 'Foundation'
    config.weak_frameworks.add 'Twitter'
    config.libraries.add  'xml2.2.7.3'
    config.frameworks.to_a.should.be.equal %w[ Foundation ]
    config.weak_frameworks.to_a.should.be.equal %w[ Twitter ]
    config.libraries.to_a.should.be.equal  %w[ xml2.2.7.3 ]
  end

  it 'it preserves OTHER_LDFLAGS not related to libraries and frameworks' do
    config1 = Xcodeproj::Config.new({ 'OTHER_LDFLAGS' => %w{-ObjC -fobjc-arc}.join(' ') })
    config2 = Xcodeproj::Config.new({ 'OTHER_LDFLAGS' => '-framework SystemConfiguration' })
    config1.merge! config2
    config1.to_hash['OTHER_LDFLAGS'].should == '-ObjC -fobjc-arc -framework SystemConfiguration'
  end

  it "merges frameworks and libraries from another Config instance" do
    hash = { 'OTHER_LDFLAGS' => '-framework Foundation -weak_framework Twitter -lxml2.2.7.3' }
    config = Xcodeproj::Config.new
    config.merge!(Xcodeproj::Config.new(hash))
    config.frameworks.to_a.should.be.equal %w[ Foundation ]
    config.weak_frameworks.to_a.should.be.equal %w[ Twitter ]
    config.libraries.to_a.should.be.equal  %w[ xml2.2.7.3 ]
  end
end