second part - cache spec file analysis

Rakefile

@@ -9,6 +9,7 @@ RSpec::Core::RakeTask.new(:spec)
 
 $: << File.expand_path('../lib', __FILE__)
 
+require 'jasmine-headless-webkit'
 require 'jasmine/headless/task'
 
 Jasmine::Headless::Task.new

bin/jasmine-headless-webkit

@@ -8,6 +8,7 @@ def gem_dir
 end
 
 $:.unshift(File.join(gem_dir, 'lib'))
+require 'jasmine-headless-webkit'
 require 'jasmine/headless/errors'
 require 'jasmine/headless/runner'
 require 'jasmine/headless/options'

lib/jasmine-headless-webkit.rb

@@ -1,6 +1,8 @@
 module Jasmine
   module Headless
     autoload :CoffeeScriptCache, 'jasmine/headless/coffee_script_cache'
+    autoload :SpecFileAnalyzer, 'jasmine/headless/spec_file_analyzer'
+    autoload :CacheableAction, 'jasmine/headless/cacheable_action'
   end
 end
 

lib/jasmine/files_list.rb

@@ -12,22 +12,6 @@ module Jasmine
       File.expand_path('../../../jasmine/jasmine.headless-reporter.js', __FILE__)
     ]
 
-    class << self
-      def get_spec_line_numbers(file)
-        line_numbers = {}
-
-        ic = Iconv.new('UTF-8//IGNORE', 'UTF-8')
-        file.lines.each_with_index.each { |line, index|
-          line = ic.iconv(line + ' ')[0..-2]
-          if description = line[%r{(describe|context|it)[( ]*(["'])(.*)\2}, 3]
-            (line_numbers[description] ||= []) << (index + 1)
-          end
-        }
-
-        line_numbers
-      end
-    end
-
     def initialize(options = {})
       @options = options
       @files = DEFAULT_FILES.dup
@@ -56,7 +40,7 @@ module Jasmine
     def spec_file_line_numbers
       @spec_file_line_numbers ||= Hash[@spec_files.collect { |file|
         if File.exist?(file)
-          if !(lines = self.class.get_spec_line_numbers(File.read(file))).empty?
+          if !(lines = Jasmine::Headless::SpecFileAnalyzer.for(file)).empty?
             [ file, lines ]
           end
         else
@@ -105,7 +89,7 @@ module Jasmine
             @files += found_files
 
             if searches == 'spec_files'
-              @spec_files = @files + spec_filter
+              @spec_files += spec_filter
             end
 
             @filtered_files += (if searches == 'spec_files'

lib/jasmine/headless/cacheable_action.rb

@@ -0,0 +1,77 @@
+module Jasmine::Headless
+  class CacheableAction
+    class << self
+      def enabled=(bool)
+        @enabled = bool
+      end
+
+      def enabled?
+        @enabled = true if @enabled == nil
+        @enabled
+      end
+
+      def cache_type
+        raise ArgumentError.new("No cache type defined for #{self.name}") if @cache_type == nil
+        @cache_type
+      end
+
+      def cache_type=(type)
+        @cache_type = type
+      end
+
+      def cache_dir=(dir)
+        @cache_dir = dir
+      end
+
+      def cache_dir
+        @cache_dir ||= '.jhw-cache'
+      end
+
+      def for(file)
+        new(file).handle
+      end
+    end
+
+    attr_reader :file
+
+    def initialize(file)
+      @file = file
+    end
+
+    def handle
+      if CacheableAction.enabled?
+        if fresh?
+          unserialize(File.read(cache_file))
+        else
+          result = action
+          FileUtils.mkdir_p File.split(cache_file).first
+          File.open(cache_file, 'wb') { |fh| fh.print serialize(result) }
+          result
+        end
+      else
+        action
+      end
+    end
+
+    def cache_file
+      @cache_file ||= File.join(self.class.cache_dir, self.class.cache_type, Digest::SHA1.hexdigest(file))
+    end
+
+    def fresh?
+      File.exist?(cache_file) && (File.mtime(file) < File.mtime(cache_file))
+    end
+
+    def action
+      raise StandardError.new("Override action")
+    end
+
+    def serialize(data)
+      data
+    end
+
+    def unserialize(data)
+      data
+    end
+  end
+end
+

lib/jasmine/headless/coffee_script_cache.rb

@@ -4,60 +4,14 @@ require 'fileutils'
 
 module Jasmine
   module Headless
-    class CoffeeScriptCache
+    class CoffeeScriptCache < CacheableAction
       class << self
-        def enabled=(bool)
+        def cache_type
-          @enabled = bool
+          "coffee_script"
-        end
-
-        def enabled?
-          @enabled = true if @enabled == nil
-          @enabled
-        end
-
-        def cache_dir=(dir)
-          @cache_dir = dir
-        end
-
-        def cache_dir
-          @cache_dir ||= '.jhw-cache'
-        end
-
-        def for(file)
-          new(file).handle
         end
       end
 
-      attr_reader :file
+      def action
-
-      def initialize(file)
-        @file = file
-      end
-
-      def handle
-        if self.class.enabled?
-          if fresh?
-            File.read(cache_file)
-          else
-            result = compile
-            FileUtils.mkdir_p self.class.cache_dir
-            File.open(cache_file, 'wb') { |fh| fh.print result }
-            result
-          end
-        else
-          compile
-        end
-      end
-
-      def cache_file
-        @cache_file ||= File.join(self.class.cache_dir, Digest::SHA1.hexdigest(file))
-      end
-
-      def fresh?
-        File.exist?(cache_file) && (File.mtime(file) < File.mtime(cache_file))
-      end
-
-      def compile
         CoffeeScript.compile(File.read(file))
       end
     end

lib/jasmine/headless/runner.rb

@@ -61,7 +61,7 @@ module Jasmine
       end
 
       def run
-        Jasmine::Headless::CoffeeScriptCache.enabled = @options[:enable_cache]
+        Jasmine::Headless::CacheableAction.enabled = @options[:enable_cache]
 
         files_list = Jasmine::FilesList.new(
           :config => jasmine_config,

lib/jasmine/headless/spec_file_analyzer.rb

@@ -0,0 +1,37 @@
+require 'iconv'
+require 'multi_json'
+
+module Jasmine::Headless
+  class SpecFileAnalyzer < CacheableAction
+    class << self
+      def cache_type
+        "spec_file_analysis"
+      end
+    end
+
+    def action
+      line_numbers = {}
+
+      ic = Iconv.new('UTF-8//IGNORE', 'US-ASCII')
+      data = ic.iconv(File.read(file) + ' ')[0..-2]
+      data.force_encoding('US-ASCII') if data.respond_to?(:force_encoding)
+
+      data.lines.each_with_index.each { |line, index|
+        if description = line[%r{(describe|context|it)[( ]*(["'])(.*)\2}, 3]
+          (line_numbers[description] ||= []) << (index + 1)
+        end
+      }
+
+      line_numbers
+    end
+
+    def serialize(data)
+      MultiJson.encode(data)
+    end
+
+    def unserialize(data)
+      MultiJson.decode(data)
+    end
+  end
+end
+

spec/bin/jasmine-headless-webkit_spec.rb

@@ -120,7 +120,6 @@ describe "jasmine-headless-webkit" do
   describe 'files' do
     it 'should list all the files that will be found' do
       files = %x{bin/jasmine-headless-webkit -l -j spec/jasmine/success/success.yml}
-      p files
       $?.exitstatus.should == 0
 
       files.lines.to_a.should include("./spec/jasmine/success/success.js\n")

spec/lib/jasmine/files_list_spec.rb

@@ -182,50 +182,6 @@ describe Jasmine::FilesList do
     end
   end
 
-  describe '.get_spec_line_numbers' do
-    let(:line_numbers) do
-      described_class.get_spec_line_numbers(file)
-    end
-
-    context 'coffeescript' do
-      let(:file) do
-        <<-SPEC
-describe 'test', ->
-  context 'yes', ->
-    it 'should do something', ->
-      "yes"
-      "PR.registerLangHandler(PR.createSimpleLexer([[\"com\",/^#[^\\n\\r]*/,null,\"#\"],[\"pln\",/^[\\t\\n\\r \\xa0]+/,null,\"\\t\\n\\r \xC2\\xa0\"],[\"str\",/^\"(?:[^\"\\\\]|\\\\[\\S\\s])*(?:\"|$)/,null,'\"']],[[\"kwd\",/^(?:ADS|AD|AUG|BZF|BZMF|CAE|CAF|CA|CCS|COM|CS|DAS|DCA|DCOM|DCS|DDOUBL|DIM|DOUBLE|DTCB|DTCF|DV|DXCH|EDRUPT|EXTEND|INCR|INDEX|NDX|INHINT|LXCH|MASK|MSK|MP|MSU|NOOP|OVSK|QXCH|RAND|READ|RELINT|RESUME|RETURN|ROR|RXOR|SQUARE|SU|TCR|TCAA|OVSK|TCF|TC|TS|WAND|WOR|WRITE|XCH|XLQ|XXALQ|ZL|ZQ|ADD|ADZ|SUB|SUZ|MPY|MPR|MPZ|DVP|COM|ABS|CLA|CLZ|LDQ|STO|STQ|ALS|LLS|LRS|TRA|TSQ|TMI|TOV|AXT|TIX|DLY|INP|OUT)\\s/,\n"
-        SPEC
-      end
-
-      it 'should get the line numbers' do
-        line_numbers['test'].should == [ 1 ]
-        line_numbers['yes'].should == [ 2 ]
-        line_numbers['should do something'].should == [ 3 ]
-      end
-    end
-
-    context 'javascript' do
-      let(:file) do
-        <<-SPEC
-describe('test', function() {
-  context('yes', function() {
-    it('should do something', function() {
-
-    });
-  });
-});
-        SPEC
-      end
-
-      it 'should get the line numbers' do
-        line_numbers['test'].should == [ 1 ]
-        line_numbers['yes'].should == [ 2 ]
-        line_numbers['should do something'].should == [ 3 ]
-      end
-    end
-  end
-
   describe '#spec_file_line_numbers' do
     include FakeFS::SpecHelpers
 

spec/lib/jasmine/headless/cacheable_action_spec.rb

@@ -0,0 +1,88 @@
+require 'spec_helper'
+
+describe Jasmine::Headless::CacheableAction do
+  include FakeFS::SpecHelpers
+
+  let(:file) { 'file.whatever' }
+  let(:data) { 'data' }
+  let(:compiled) { 'compiled' }
+
+  before do
+    File.open(file, 'wb') { |fh| fh.print(data) }
+    described_class.cache_dir = cache_dir
+    described_class.cache_type = cache_type
+  end
+
+  let(:action_runs!) do
+    described_class.any_instance.expects(:action).returns(compiled)
+  end
+
+  let(:cache_type) { 'action' }
+  let(:cache_dir) { 'cache' }
+  let(:cache_file) { File.join(cache_dir, cache_type, Digest::SHA1.hexdigest(file)) }
+  let(:cache_file_data) { YAML.load(File.read(cache_file)) }
+
+  describe '.for' do
+    context 'cache disabled' do
+      before do
+        described_class.enabled = false
+      end
+
+      it 'should compile' do
+        action_runs!
+        described_class.for(file).should == compiled
+        cache_file.should_not be_a_file
+      end
+    end
+
+    context 'cache enabled' do
+      before do
+        described_class.enabled = true
+        FileUtils.mkdir_p(cache_dir)
+
+        File.stubs(:mtime).with(file).returns(Time.at(10))
+        File.stubs(:mtime).with(cache_file).returns(Time.at(cache_file_mtime))
+      end
+
+      context 'cache empty' do
+        let(:cache_file_mtime) { 0 }
+
+        it 'should compile' do
+          action_runs!
+          described_class.for(file).should == compiled
+
+          cache_file_data.should == compiled
+        end
+      end
+
+      context 'cache fresh' do
+        let(:cache_file_mtime) { 15 }
+
+        before do
+          File.open(cache_file, 'wb') { |fh| fh.print compiled }
+        end
+
+        it 'should not compile' do
+          action_runs!.never
+
+          described_class.for(file).should == compiled
+
+          cache_file_data.should == compiled
+        end
+      end
+
+      context 'cache stale' do
+        let(:cache_file_mtime) { 5 }
+
+        it 'should compile' do
+          action_runs!
+
+          described_class.for(file).should == compiled
+
+          cache_file_data.should == compiled
+        end
+      end
+    end
+  end
+end
+

spec/lib/jasmine/headless/coffee_script_cache_spec.rb

@@ -3,84 +3,18 @@ require 'spec_helper'
 describe Jasmine::Headless::CoffeeScriptCache do
   include FakeFS::SpecHelpers
 
-  let(:file) { 'file.coffee' }
+  describe '#action' do
+    let(:file) { 'file' }
     let(:data) { 'data' }
     let(:compiled) { 'compiled' }
 
     before do
-    File.open(file, 'wb') { |fh| fh.print(data) }
-    described_class.cache_dir = cache_dir
-  end
-
-  let(:coffee_script_compiles!) do
       CoffeeScript.expects(:compile).with(data).returns(compiled)
+      File.open(file, 'wb') { |fh| fh.print(data) }
     end
 
-  let(:cache_dir) { 'cache' }
+    it 'should compile coffeescript' do
-  let(:cache_file) { File.join(cache_dir, Digest::SHA1.hexdigest(file)) }
+      described_class.new(file).action.should == compiled
-  let(:cache_file_data) { File.read(cache_file) }
-
-  describe '.for' do
-    context 'cache disabled' do
-      before do
-        described_class.enabled = false
-        p described_class.enabled?
-      end
-
-      it 'should compile' do
-        coffee_script_compiles!
-        described_class.for(file).should == compiled
-        cache_file.should_not be_a_file
-      end
-    end
-
-    context 'cache enabled' do
-      before do
-        described_class.enabled = true
-        FileUtils.mkdir_p(cache_dir)
-
-        File.stubs(:mtime).with(file).returns(Time.at(10))
-        File.stubs(:mtime).with(cache_file).returns(Time.at(cache_file_mtime))
-      end
-
-      context 'cache empty' do
-        let(:cache_file_mtime) { 0 }
-
-        it 'should compile' do
-          coffee_script_compiles!
-          described_class.for(file).should == compiled
-
-          cache_file_data.should == compiled
-        end
-      end
-
-      context 'cache fresh' do
-        let(:cache_file_mtime) { 15 }
-
-        before do
-          File.open(cache_file, 'wb') { |fh| fh.print compiled }
-        end
-
-        it 'should not compile' do
-          coffee_script_compiles!.never
-
-          described_class.for(file).should == compiled
-
-          cache_file_data.should == compiled
-        end
-      end
-
-      context 'cache stale' do
-        let(:cache_file_mtime) { 5 }
-
-        it 'should compile' do
-          coffee_script_compiles!
-
-          described_class.for(file).should == compiled
-
-          cache_file_data.should == compiled
-        end
-      end
     end
   end
 end

spec/lib/jasmine/headless/spec_file_analyzer_spec.rb

@@ -0,0 +1,57 @@
+require 'spec_helper'
+
+describe Jasmine::Headless::SpecFileAnalyzer do
+  include FakeFS::SpecHelpers
+
+  let(:file) { 'file' }
+  let(:analyzer) { described_class.new(file) }
+
+  describe '#action' do
+    let(:line_numbers) do
+      analyzer.action
+    end
+
+    before do
+      File.open(file, 'wb') { |fh| fh.print file_data }
+    end
+
+    context 'coffeescript' do
+      let(:file_data) do
+        <<-SPEC
+describe 'test', ->
+  context 'yes', ->
+    it 'should do something', ->
+      "yes"
+      "PR.registerLangHandler(PR.createSimpleLexer([[\"com\",/^#[^\\n\\r]*/,null,\"#\"],[\"pln\",/^[\\t\\n\\r \\xa0]+/,null,\"\\t\\n\\r \xC2\\xa0\"],[\"str\",/^\"(?:[^\"\\\\]|\\\\[\\S\\s])*(?:\"|$)/,null,'\"']],[[\"kwd\",/^(?:ADS|AD|AUG|BZF|BZMF|CAE|CAF|CA|CCS|COM|CS|DAS|DCA|DCOM|DCS|DDOUBL|DIM|DOUBLE|DTCB|DTCF|DV|DXCH|EDRUPT|EXTEND|INCR|INDEX|NDX|INHINT|LXCH|MASK|MSK|MP|MSU|NOOP|OVSK|QXCH|RAND|READ|RELINT|RESUME|RETURN|ROR|RXOR|SQUARE|SU|TCR|TCAA|OVSK|TCF|TC|TS|WAND|WOR|WRITE|XCH|XLQ|XXALQ|ZL|ZQ|ADD|ADZ|SUB|SUZ|MPY|MPR|MPZ|DVP|COM|ABS|CLA|CLZ|LDQ|STO|STQ|ALS|LLS|LRS|TRA|TSQ|TMI|TOV|AXT|TIX|DLY|INP|OUT)\\s/,\n"
+SPEC
+      end
+
+      it 'should get the line numbers' do
+        line_numbers['test'].should == [ 1 ]
+        line_numbers['yes'].should == [ 2 ]
+        line_numbers['should do something'].should == [ 3 ]
+      end
+    end
+
+    context 'javascript' do
+      let(:file_data) do
+        <<-SPEC
+describe('test', function() {
+  context('yes', function() {
+    it('should do something', function() {
+
+    });
+  });
+});
+SPEC
+      end
+
+      it 'should get the line numbers' do
+        line_numbers['test'].should == [ 1 ]
+        line_numbers['yes'].should == [ 2 ]
+        line_numbers['should do something'].should == [ 3 ]
+      end
+    end
+  end
+end
+

spec/spec_helper.rb

@@ -3,6 +3,10 @@ require 'fakefs/spec_helpers'
 
 RSpec.configure do |c|
   c.mock_with :mocha
+  
+  c.before(:each) do
+    Jasmine::Headless::CacheableAction.enabled = false
+  end
 end
 
 specrunner = 'ext/jasmine-webkit-specrunner/jasmine-webkit-specrunner'