Only actually run appledoc from specs if it's installed.

Which one should normally do, but it won't be available on Travis.

lib/cocoapods/docs_generator.rb

 
 module Pod
   class DocsGenerator
+    def self.appledoc_installed?
+      !`which appledoc`.strip.empty?
+    end
+
     attr_reader :pod, :specification, :target_path, :options
 
     def initialize(pod)
@@ -78,9 +82,8 @@ module Pod
     end
 
     def appledoc (options)
-      bin = `which appledoc`.strip
-      if bin.empty?
-        puts "\n[!] Skipping documenation generation because appledoc can't be found." if Config.instance.verbose?
+      unless self.class.appledoc_installed?
+        puts "\n[!] Skipping documentation generation because appledoc can't be found." if Config.instance.verbose?
         return
       end
       arguments = []

spec/integration_spec.rb

@@ -129,21 +129,23 @@ else
           change_log.should.not.include '1.3'
         end
 
-        it "generates documentation of all pods by default" do
-          podfile = Pod::Podfile.new do
-            self.platform :ios
-            dependency 'JSONKit', '1.4'
-            dependency 'SSToolkit'
-          end
-
-          installer = SpecHelper::Installer.new(podfile)
-          installer.install!
-
-          File.directory?(config.project_pods_root + 'Documentation/JSONKit/html/')
-          doc = (config.project_pods_root + 'Documentation/SSToolkit/html/index.html').read
-          doc.should.include?('SSToolkit')
+        if Pod::DocsGenerator.appledoc_installed?
+          it "generates documentation of all pods by default" do
+            podfile = Pod::Podfile.new do
+              self.platform :ios
+              dependency 'JSONKit', '1.4'
+              dependency 'SSToolkit'
+            end
 
+            installer = SpecHelper::Installer.new(podfile)
+            installer.install!
 
+            File.directory?(config.project_pods_root + 'Documentation/JSONKit/html/')
+            doc = (config.project_pods_root + 'Documentation/SSToolkit/html/index.html').read
+            doc.should.include?('SSToolkit')
+          end
+        else
+          puts "[!] Skipping documentation generation specs, because appledoc can't be found."
         end
       end
 

spec/unit/docs_generator_spec.rb

@@ -44,16 +44,20 @@ describe Pod::DocsGenerator do
     ]
   end
 
-  it 'it creates the documenation directory' do
-    File.directory?(@sandbox.root + "Documentation").should.be.true
-  end
-
-  it 'it creates the html' do
-    File.directory?(@sandbox.root + "Documentation/BananaLib/html").should.be.true
-    index = (@sandbox.root + 'Documentation/BananaLib/html/index.html').read
-    index.should.include?('BananaObj')
-    index = (@sandbox.root + 'Documentation/BananaLib/html/Classes/BananaObj.html').read
-    index.should.include?('Bananas are cool')
+  if Pod::DocsGenerator.appledoc_installed?
+    it 'it creates the documenation directory' do
+      File.directory?(@sandbox.root + "Documentation").should.be.true
+    end
+
+    it 'it creates the html' do
+      File.directory?(@sandbox.root + "Documentation/BananaLib/html").should.be.true
+      index = (@sandbox.root + 'Documentation/BananaLib/html/index.html').read
+      index.should.include?('BananaObj')
+      index = (@sandbox.root + 'Documentation/BananaLib/html/Classes/BananaObj.html').read
+      index.should.include?('Bananas are cool')
+    end
+  else
+    puts "[!] Skipping documentation generation specs, because appledoc can't be found."
   end
 end