Merge pull request #241 from CocoaPods/deployment-target-check

[#212] Check for deployment target

lib/cocoapods/command/spec.rb

@@ -532,16 +532,17 @@ Pod::Spec.new do |s|
 
   s.description = 'An optional longer description of #{data[:name]}.'
 
-  # If this Pod runs only on iOS or OS X, then specify that with one of
-  # these, or none if it runs on both platforms.
-  # If the pod runs on both plafroms but presents different deployment
-  # targets, source files, etc. create two different pods: `#{data[:name]}-iOS'
-  # and `#{data[:name]}-OSX'.
+  # If this Pod runs only on iOS or OS X, then specify the platform and
+  # the deployment target.
   #
+  # s.platform = :ios, '5.0'
   # s.platform = :ios
-  # s.platform = :ios, { :deployment_target => "5.0" }
-  # s.platform = :osx
-  # s.platform = :osx, { :deployment_target => "10.7" }
+
+  # If this Pod runs on boths platforms, then specify the deployment
+  # targets.
+  #
+  # s.ios.deployment_target = '5.0'
+  # s.osx.deployment_target = '10.7'
 
   # A list of resources included with the Pod. These are copied into the
   # target bundle with a build phase script.
@@ -589,6 +590,7 @@ Pod::Spec.new do |s|
   #
   # s.xcconfig = { 'HEADER_SEARCH_PATHS' => '$(SDKROOT)/usr/include/libxml2' }
 
+  # ――― INFO ―――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――― #
       end
       SPEC
     end

lib/cocoapods/platform.rb

@@ -8,22 +8,29 @@ module Pod
       new :osx
     end
 
-    attr_reader :options
+    attr_reader :options, :deployment_target
 
-    def initialize(symbolic_name, options = {})
+    def initialize(symbolic_name, deployment_target = nil)
       @symbolic_name = symbolic_name
-      @options = options
+      if deployment_target
+        version = deployment_target.is_a?(Hash) ? deployment_target[:deployment_target] : deployment_target # backwards compatibility from 0.6
+        @deployment_target = Pod::Version.create(version)
+      end
     end
 
     def name
       @symbolic_name
     end
 
+    def deployment_target= (version)
+      @deployment_target = Pod::Version.create(version)
+    end
+
     def ==(other_platform_or_symbolic_name)
       if other_platform_or_symbolic_name.is_a?(Symbol)
         @symbolic_name == other_platform_or_symbolic_name
       else
-        self == (other_platform_or_symbolic_name.name)
+        self.name == (other_platform_or_symbolic_name.name) && self.deployment_target == other_platform_or_symbolic_name.deployment_target
       end
     end
 
@@ -51,12 +58,6 @@ module Pod
       name.nil?
     end
 
-    def deployment_target
-      if (options && opt = options[:deployment_target])
-        Pod::Version.new(opt)
-      end
-    end
-
     def requires_legacy_ios_archs?
       return unless deployment_target
       (name == :ios) && (deployment_target < Pod::Version.new("4.3"))

lib/cocoapods/resolver.rb

@@ -84,8 +84,8 @@ module Pod
     end
 
     def validate_platform!(spec, target)
-      unless target.platform.support?(spec.platform)
-        raise Informative, "[!] The platform required by the target `#{target.name}' `#{target.platform}' does not match that of #{spec} `#{spec.platform}'".red
+      unless spec.platforms.any? { |platform| target.platform.support?(platform) }
+        raise Informative, "[!] The platform of the target `#{target.name}' (#{target.platform}) is not compatible with `#{spec}' which has a minimun requirement of #{spec.platforms.join(' - ')}.".red
       end
     end
   end

lib/cocoapods/specification.rb

@@ -34,6 +34,7 @@ module Pod
       @define_for_platforms = [:osx, :ios]
       @clean_paths, @subspecs = [], []
       @dependencies, @source_files, @resources = { :ios => [], :osx => [] }, { :ios => [], :osx => [] }, { :ios => [], :osx => [] }
+      @deployment_target = {}
       @platform = Platform.new(nil)
       @xcconfig = { :ios => Xcodeproj::Config.new, :osx => Xcodeproj::Config.new }
       @compiler_flags = { :ios => '', :osx => '' }
@@ -114,17 +115,14 @@ module Pod
     end
 
     def platform=(platform)
-      if platform.class == Array
-        name = platform[0]
-        options = platform[1]
-      else
-        name = platform
-        options = nil
-      end
-      @platform = Platform.new(name, options)
+      @platform = Platform.new(*platform)
     end
     attr_reader :platform
 
+    def platforms
+      @platform.nil? ?  @define_for_platforms.map { |platfrom| Platform.new(platfrom, @deployment_target[platfrom]) } : [platform]
+    end
+
     def requires_arc=(requires_arc)
       self.compiler_flags = '-fobjc-arc' if requires_arc
       @requires_arc = requires_arc
@@ -157,7 +155,7 @@ module Pod
         @specification, @platform = specification, platform
       end
 
-      %w{ source_files= resource= resources= xcconfig= framework= frameworks= library= libraries= compiler_flags= dependency }.each do |method|
+      %w{ source_files= resource= resources= xcconfig= framework= frameworks= library= libraries= compiler_flags= deployment_target= dependency }.each do |method|
         define_method(method) do |args|
           @specification._on_platform(@platform) do
             @specification.send(method, args)
@@ -181,6 +179,11 @@ module Pod
     end
     attr_reader :source_files
 
+    def deployment_target=(version)
+      raise Informative, "The deployment target must be defined per platform like s.ios.deployment_target = '5.0'" unless @define_for_platforms.count == 1
+      @deployment_target[@define_for_platforms.first] = version
+    end
+
     def resources=(patterns)
       @define_for_platforms.each do |platform|
         @resources[platform] = pattern_list(patterns)

spec/unit/platform_spec.rb

@@ -18,6 +18,11 @@ describe Pod::Platform do
     @platform.should == Pod::Platform.new(:ios)
   end
 
+  it "can be compared for equality with another platform with the same symbolic name and the same deployment target" do
+    @platform.should.not == Pod::Platform.new(:ios, '4.0')
+    Pod::Platform.new(:ios, '4.0').should == Pod::Platform.new(:ios, '4.0')
+  end
+
   it "can be compared for equality with a matching symbolic name (backwards compatibility reasons)" do
     @platform.should == :ios
   end
@@ -26,28 +31,31 @@ describe Pod::Platform do
     @platform.to_s.should == "iOS"
     Pod::Platform.new(:osx).to_s.should == 'OS X'
     Pod::Platform.new(nil).to_s.should  == "iOS - OS X"
-    Pod::Platform.new(:ios, { :deployment_target => '5.0.0' }).to_s.should == 'iOS 5.0.0'
-    Pod::Platform.new(:osx, { :deployment_target => '10.7' }).to_s.should == 'OS X 10.7'
-  end
-
-  it "correctly indicates if it supports another platfrom" do
-    ios4 = Pod::Platform.new(:ios, { :deployment_target => '4.0.0' })
-    ios5 = Pod::Platform.new(:ios, { :deployment_target => '5.0.0' })
-    ios5.should.support?(ios4)
-    ios4.should.not.support?(ios5)
-    osx6 = Pod::Platform.new(:osx, { :deployment_target => '10.6' })
-    osx7 = Pod::Platform.new(:osx, { :deployment_target => '10.7' })
-    osx7.should.support?(osx6)
-    osx6.should.not.support?(osx7)
-    both = Pod::Platform.new(nil)
-    both.should.support?(ios4)
-    both.should.support?(osx6)
-    both.should.support?(nil)
+    Pod::Platform.new(:ios, '5.0.0').to_s.should == 'iOS 5.0.0'
+    Pod::Platform.new(:osx, '10.7').to_s.should  == 'OS X 10.7'
   end
 
   it "uses it's name as it's symbold version" do
     @platform.to_sym.should == :ios
   end
+
+  it "allows to specify the deployment target on initialization" do
+    p = Pod::Platform.new(:ios, '4.0.0')
+    p.deployment_target.should == Pod::Version.new('4.0.0')
+  end
+
+  it "allows to specify the deployment target in a hash on initialization (backwards compatibility from 0.6)" do
+    p = Pod::Platform.new(:ios, { :deployment_target => '4.0.0' })
+    p.deployment_target.should == Pod::Version.new('4.0.0')
+  end
+
+  it "allows to specify the deployment target after initialization" do
+    p = Pod::Platform.new(:ios, '4.0.0')
+    p.deployment_target = '4.0.0'
+    p.deployment_target.should == Pod::Version.new('4.0.0')
+    p.deployment_target = Pod::Version.new('4.0.0')
+    p.deployment_target.should == Pod::Version.new('4.0.0')
+  end
 end
 
 describe "Pod::Platform with a nil value" do
@@ -59,3 +67,35 @@ describe "Pod::Platform with a nil value" do
     @platform.should.be.nil
   end
 end
+
+describe "Pod::Platform#support?" do
+  it "supports another platform is with the same operating system" do
+    p1 = Pod::Platform.new(:ios)
+    p2 = Pod::Platform.new(:ios)
+    p1.should.support?(p2)
+
+    p1 = Pod::Platform.new(:osx)
+    p2 = Pod::Platform.new(:osx)
+    p1.should.support?(p2)
+  end
+
+  it "supports a nil platform" do
+    p1 = Pod::Platform.new(:ios)
+    p1.should.support?(nil)
+  end
+
+  it "supports a platform with a lower or equal deployment_target" do
+    p1 = Pod::Platform.new(:ios, '5.0')
+    p2 = Pod::Platform.new(:ios, '4.0')
+    p1.should.support?(p1)
+    p1.should.support?(p2)
+    p2.should.not.support?(p1)
+  end
+
+  it "supports a platform regardless of the deployment_target if one of the two does not specify it" do
+    p1 = Pod::Platform.new(:ios)
+    p2 = Pod::Platform.new(:ios, '4.0')
+    p1.should.support?(p2)
+    p2.should.support?(p1)
+  end
+end

spec/unit/resolver_spec.rb

@@ -39,7 +39,7 @@ describe "Pod::Resolver" do
     lambda { @resolver.resolve }.should.not.raise
   end
 
-  it "raises once any of the dependencies does not match the platform of the root spec (Podfile)" do
+  it "raises once any of the dependencies does not match the platform of its podfile target" do
     set = Pod::Spec::Set.new(config.repos_dir + 'master/ASIHTTPRequest')
     @resolver.cached_sets['ASIHTTPRequest'] = set
 
@@ -59,27 +59,15 @@ describe "Pod::Resolver" do
     lambda { @resolver.resolve }.should.raise Pod::Informative
   end
 
-  it "does not raise if all of the dependencies have a deployment target equal or lower of the root spec (Podfile)" do
+  it "raises once any of the dependencies does not have a deployment_target compatible with its podfile target" do
     set = Pod::Spec::Set.new(config.repos_dir + 'master/ASIHTTPRequest')
     @resolver.cached_sets['ASIHTTPRequest'] = set
+    @podfile.platform :ios, "4.0"
 
-    def set.stub_platform=(platform); @stubbed_platform = platform; end
-    def set.specification; spec = super; spec.platform = @stubbed_platform; spec; end
-
-    @podfile.platform :ios, { :deployment_target => "4.0.0" }
-    set.stub_platform = :ios, { :deployment_target => "4.0.0" }
+    Pod::Specification.any_instance.stubs(:platforms).returns([ Pod::Platform.new(:ios, '4.0'), Pod::Platform.new(:osx, '10.7') ])
     lambda { @resolver.resolve }.should.not.raise
-  end
-
-  it "raises once any of the dependencies requires a higher deployment target of the root spec (Podfile)" do
-    set = Pod::Spec::Set.new(config.repos_dir + 'master/ASIHTTPRequest')
-    @resolver.cached_sets['ASIHTTPRequest'] = set
-
-    def set.stub_platform=(platform); @stubbed_platform = platform; end
-    def set.specification; spec = super; spec.platform = @stubbed_platform; spec; end
 
-    @podfile.platform :ios, { :deployment_target => "4.0.0" }
-    set.stub_platform = :ios, { :deployment_target => "5.0.0" }
+    Pod::Specification.any_instance.stubs(:platforms).returns([ Pod::Platform.new(:ios, '5.0'), Pod::Platform.new(:osx, '10.7') ])
     lambda { @resolver.resolve }.should.raise Pod::Informative
   end
 

spec/unit/specification_spec.rb

@@ -154,6 +154,19 @@ describe "A Pod::Specification, in general," do
     @spec.platform.should == :ios
   end
 
+  it "returns the platform and the deployment target" do
+    @spec.platform = :ios, '4.0'
+    @spec.platform.should == :ios
+    @spec.platform.deployment_target.should == Pod::Version.new('4.0')
+  end
+
+  it "returns the platfroms for which the pod is supported" do
+    @spec.platform = :ios, '4.0'
+    @spec.platforms.count.should == 1
+    @spec.platforms.first.should == :ios
+    @spec.platforms.first.deployment_target.should == Pod::Version.new('4.0')
+  end
+
   it "returns the license of the Pod" do
     @spec.license = {
       :type => 'MIT',
@@ -364,6 +377,8 @@ describe "A Pod::Specification, concerning its attributes that support different
 
         s.ios.dependency 'JSONKit'
         s.osx.dependency 'SSZipArchive'
+
+        s.ios.deployment_target = '4.0'
       end
     end
 
@@ -382,6 +397,12 @@ describe "A Pod::Specification, concerning its attributes that support different
       }
     end
 
+    it "returns the list of the supported platfroms and deployment targets" do
+     @spec.platforms.count.should == 2
+     @spec.platforms.should.include? Pod::Platform.new(:osx)
+     @spec.platforms.should.include? Pod::Platform.new(:ios, '4.0')
+    end
+
     it "returns the same list of compiler flags for each platform" do
       @spec.compiler_flags.should == {
         :ios => ' -Wdeprecated-implementations -fobjc-arc',