Move ruby logic out of jasmine contrib (for now)

lib/jasmine-ruby/jasmine_spec_builder.rb

@@ -0,0 +1,152 @@
+require 'enumerator'
+module Jasmine
+
+  class SpecBuilder
+    attr_accessor :suites
+
+    def initialize(spec_files, runner)
+      @spec_files = spec_files
+      @runner = runner
+      @spec_ids = []
+    end
+
+    def start
+      guess_example_locations
+
+      @runner.start
+      load_suite_info
+      wait_for_suites_to_finish_running
+    end
+
+    def stop
+      @runner.stop
+    end
+
+    def script_path
+      File.expand_path(__FILE__)
+    end
+
+    def guess_example_locations
+      @example_locations = {}
+
+      example_name_parts = []
+      previous_indent_level = 0
+      @spec_files.each do |filename|
+        line_number = 1
+        File.open(filename, "r") do |file|
+          file.readlines.each do |line|
+            match = /^(\s*)(describe|it)\s*\(\s*["'](.*)["']\s*,\s*function/.match(line)
+            if (match)
+              indent_level = match[1].length / 2
+              example_name = match[3]
+              example_name_parts[indent_level] = example_name
+
+              full_example_name = example_name_parts.slice(0, indent_level + 1).join(" ")
+              @example_locations[full_example_name] = "#{filename}:#{line_number}: in `it'"
+            end
+            line_number += 1
+          end
+        end
+      end
+    end
+
+    def load_suite_info
+      started = Time.now
+      while !eval_js('jsApiReporter && jsApiReporter.started') do
+        raise "couldn't connect to Jasmine after 60 seconds" if (started + 60 < Time.now)
+        sleep 0.1
+      end
+
+      @suites = eval_js('JSON.stringify(jsApiReporter.suites())')
+    end
+
+    def results_for(spec_id)
+      @spec_results ||= load_results
+      @spec_results[spec_id.to_s]
+    end
+
+    def load_results
+      @spec_results = {}
+      @spec_ids.each_slice(50) do |slice|
+        @spec_results.merge!(eval_js("JSON.stringify(jsApiReporter.resultsForSpecs(#{JSON.generate(slice)}))"))
+      end
+      @spec_results
+    end
+
+    def wait_for_suites_to_finish_running
+      puts "Waiting for suite to finish in browser ..."
+      while !eval_js('jsApiReporter.finished') do
+        sleep 0.1
+      end
+    end
+
+    def declare_suites
+      me = self
+      suites.each do |suite|
+        declare_suite(self, suite)
+      end
+    end
+
+    def declare_suite(parent, suite)
+      me = self
+      parent.describe suite["name"] do
+        suite["children"].each do |suite_or_spec|
+          type = suite_or_spec["type"]
+          if type == "suite"
+            me.declare_suite(self, suite_or_spec)
+          elsif type == "spec"
+            me.declare_spec(self, suite_or_spec)
+          else
+            raise "unknown type #{type} for #{suite_or_spec.inspect}"
+          end
+        end
+      end
+    end
+
+    def declare_spec(parent, spec)
+      me = self
+      example_name = spec["name"]
+      @spec_ids << spec["id"]
+      backtrace = @example_locations[parent.description + " " + example_name]
+      parent.it example_name, {}, backtrace do
+        me.report_spec(spec["id"])
+      end
+    end
+
+    def report_spec(spec_id)
+      spec_results = results_for(spec_id)
+
+      out = ""
+      messages = spec_results['messages'].each do |message|
+        case
+          when message["type"] == "MessageResult"
+            puts message["text"]
+            puts "\n"
+          else
+            unless message["message"] =~ /^Passed.$/
+              STDERR << message["message"]
+              STDERR << "\n"
+
+              out << message["message"]
+              out << "\n"
+            end
+
+            if !message["passed"] && message["trace"]["stack"]
+              stack_trace = message["trace"]["stack"].gsub(/<br \/>/, "\n").gsub(/<\/?b>/, " ")
+              STDERR << stack_trace.gsub(/\(.*\)@http:\/\/localhost:[0-9]+\/specs\//, "/spec/")
+              STDERR << "\n"
+            end
+        end
+
+      end
+      fail out unless spec_results['result'] == 'passed'
+      puts out unless out.empty?
+    end
+
+    private
+
+    def eval_js(js)
+      @runner.eval_js(js)
+    end
+  end
+end