vendor/gems/rspec-1.1.2/spec/spec/runner/formatter/profile_formatter_spec.rb

   1 require File.dirname(__FILE__) + '/../../../spec_helper.rb'
   2 require 'spec/runner/formatter/profile_formatter'
   3
   4 module Spec
   5   module Runner
   6     module Formatter
   7       describe ProfileFormatter do
   8         attr_reader :io, :formatter
   9         before(:each) do
  10           @io = StringIO.new
  11           options = mock('options')
  12           options.stub!(:colour).and_return(true)
  13           @formatter = ProfileFormatter.new(options, io)
  14         end
  15
  16         it "should print a heading" do
  17           formatter.start(0)
  18           io.string.should eql("Profiling enabled.\n")
  19         end
  20
  21         it "should record the current time when starting a new example" do
  22           now = Time.now
  23           Time.stub!(:now).and_return(now)
  24           formatter.example_started('should foo')
  25           formatter.instance_variable_get("@time").should == now
  26         end
  27
  28         it "should correctly record a passed example" do
  29           now = Time.now
  30           Time.stub!(:now).and_return(now)
  31           parent_example_group = Class.new(ExampleGroup).describe('Parent')
  32           child_example_group = Class.new(parent_example_group).describe('Child')
  33
  34           formatter.add_example_group(child_example_group)
  35
  36           formatter.example_started('when foo')
  37           Time.stub!(:now).and_return(now+1)
  38           formatter.example_passed(stub('foo', :description => 'i like ice cream'))
  39
  40           formatter.start_dump
  41           io.string.should include('Parent Child')
  42         end
  43
  44         it "should sort the results in descending order" do
  45           formatter.instance_variable_set("@example_times", [['a', 'a', 0.1], ['b', 'b', 0.3], ['c', 'c', 0.2]])
  46           formatter.start_dump
  47           formatter.instance_variable_get("@example_times").should == [ ['b', 'b', 0.3], ['c', 'c', 0.2], ['a', 'a', 0.1]]
  48         end
  49
  50         it "should print the top 10 results" do
  51           example_group = Class.new(::Spec::Example::ExampleGroup).describe("ExampleGroup")
  52           formatter.add_example_group(example_group)
  53           formatter.instance_variable_set("@time", Time.now)
  54
  55           15.times do
  56             formatter.example_passed(stub('foo', :description => 'i like ice cream'))
  57           end
  58
  59           io.should_receive(:print).exactly(10)
  60           formatter.start_dump
  61         end
  62       end
  63     end
  64   end
  65 end