better errors and flatten jasmine.yml keys, allowing for merged yaml sequences in config

lib/jasmine/files_list.rb

@@ -123,7 +123,7 @@ module Jasmine
       data = @options[:config].dup
       [ [ 'src_files', 'src_dir' ], [ 'stylesheets', 'src_dir' ], [ 'helpers', 'spec_dir' ], [ 'spec_files', 'spec_dir' ] ].each do |searches, root|
         if data[searches]
-          data[searches].collect do |search|
+          data[searches].flatten.collect do |search|
             path = search
             path = File.join(data[root], path) if data[root]
             found_files = Dir[path] - @files

lib/jasmine/headless/errors.rb

@@ -8,6 +8,8 @@ module Jasmine
 
     class TestFailure < StandardError; end
     class ConsoleLogUsage < StandardError ; end
+
+    class JasmineConfigNotFound < Errno::ENOENT ; end
   end
 end
 

lib/jasmine/headless/runner.rb

@@ -46,6 +46,8 @@ module Jasmine
       end
 
       def jasmine_config
+        raise JasmineConfigNotFound.new("Jasmine config not found. I tried #{@options[:jasmine_config]}.") if !File.file?(@options[:jasmine_config])
+
         @jasmine_config ||= JASMINE_DEFAULTS.dup.merge(YAML.load_file(@options[:jasmine_config]))
       end
 

spec/lib/jasmine/files_list_spec.rb

@@ -38,23 +38,42 @@ describe Jasmine::FilesList do
       end
     end
 
-    let(:config) { {
-      'src_dir' => src_dir,
-      'spec_dir' => spec_dir,
-      'src_files' => [ 'js/first_file.js', 'js/*.js' ],
-      'spec_files' => [ '*_spec.js' ],
-      'helpers' => [ 'helper/*.js' ],
-      'stylesheets' => [ 'stylesheet/*.css' ]
-    } }
+    shared_examples_for :reading_data do
+      it 'should read the data from the jasmine.yml file and add the files' do
+        files_list.files.should == Jasmine::FilesList::DEFAULT_FILES + [
+          File.expand_path(first_file),
+          File.expand_path(src_file),
+          File.expand_path(stylesheet_file),
+          File.expand_path(helper_file),
+          File.expand_path(spec_file)
+        ]
+      end
+    end
 
-    it 'should read the data from the jasmine.yml file and add the files' do
-      files_list.files.should == Jasmine::FilesList::DEFAULT_FILES + [
-        File.expand_path(first_file),
-        File.expand_path(src_file),
-        File.expand_path(stylesheet_file),
-        File.expand_path(helper_file),
-        File.expand_path(spec_file)
-      ]
+    context 'with normal list' do
+      let(:config) { {
+        'src_dir' => src_dir,
+        'spec_dir' => spec_dir,
+        'src_files' => [ 'js/first_file.js', 'js/*.js' ],
+        'spec_files' => [ '*_spec.js' ],
+        'helpers' => [ 'helper/*.js' ],
+        'stylesheets' => [ 'stylesheet/*.css' ]
+      } }
+
+      it_should_behave_like :reading_data
+    end
+
+    context 'with multidimensional list' do
+      let(:config) { {
+        'src_dir' => src_dir,
+        'spec_dir' => spec_dir,
+        'src_files' => [ [ 'js/first_file.js', 'js/*.js' ] ],
+        'spec_files' => [ '*_spec.js' ],
+        'helpers' => [ 'helper/*.js' ],
+        'stylesheets' => [ 'stylesheet/*.css' ]
+      } }
+
+      it_should_behave_like :reading_data
     end
   end
 

spec/lib/jasmine/headless/runner_spec.rb

@@ -18,16 +18,29 @@ describe Jasmine::Headless::Runner do
   describe '#load_config' do
     include FakeFS::SpecHelpers
 
-    let(:opts) { { :jasmine_config => 'test.yml' } }
-
     before do
-      File.open(Jasmine::Headless::Runner::RUNNER, 'w')
-      File.open('test.yml', 'w') { |fh| fh.print YAML.dump('test' => 'hello') }
+      File.open('ext/jasmine-webkit-specrunner/jasmine-webkit-specrunner', 'w')
     end
 
-    it 'should load the jasmine config' do
-      runner.jasmine_config['test'].should == 'hello'
-      runner.jasmine_config['spec_dir'].should == 'spec/javascripts'
+    let(:config_filename) { 'test.yml' }
+    let(:opts) { { :jasmine_config => config_filename } }
+
+    context 'file exists' do
+      before do
+        File.open(Jasmine::Headless::Runner::RUNNER, 'w')
+        File.open(config_filename, 'w') { |fh| fh.print YAML.dump('test' => 'hello') }
+      end
+
+      it 'should load the jasmine config' do
+        runner.jasmine_config['test'].should == 'hello'
+        runner.jasmine_config['spec_dir'].should == 'spec/javascripts'
+      end
+    end
+
+    context 'file does not exist' do
+      it 'should raise an exception' do
+        expect { runner.jasmine_config }.to raise_error(Jasmine::Headless::JasmineConfigNotFound, /#{config_filename}/)
+      end
     end
   end