vendor/gems/rspec-1.1.2/spec/spec/expectations/fail_with_spec.rb

   1 require File.dirname(__FILE__) + '/../../spec_helper.rb'
   2
   3 describe Spec::Expectations, "#fail_with with no diff" do
   4   before(:each) do
   5     @old_differ = Spec::Expectations.differ
   6     Spec::Expectations.differ = nil
   7   end
   8
   9   it "should handle just a message" do
  10     lambda {
  11       Spec::Expectations.fail_with "the message"
  12     }.should fail_with("the message")
  13   end
  14
  15   it "should handle an Array" do
  16     lambda {
  17       Spec::Expectations.fail_with ["the message","expected","actual"]
  18     }.should fail_with("the message")
  19   end
  20
  21   after(:each) do
  22     Spec::Expectations.differ = @old_differ
  23   end
  24 end
  25
  26 describe Spec::Expectations, "#fail_with with diff" do
  27   before(:each) do
  28     @old_differ = Spec::Expectations.differ
  29     @differ = mock("differ")
  30     Spec::Expectations.differ = @differ
  31   end
  32
  33   it "should not call differ if no expected/actual" do
  34     lambda {
  35       Spec::Expectations.fail_with "the message"
  36     }.should fail_with("the message")
  37   end
  38
  39   it "should call differ if expected/actual are presented separately" do
  40     @differ.should_receive(:diff_as_string).and_return("diff")
  41     lambda {
  42       Spec::Expectations.fail_with "the message", "expected", "actual"
  43     }.should fail_with("the message\nDiff:diff")
  44   end
  45
  46   it "should call differ if expected/actual are not strings" do
  47     @differ.should_receive(:diff_as_object).and_return("diff")
  48     lambda {
  49       Spec::Expectations.fail_with "the message", :expected, :actual
  50     }.should fail_with("the message\nDiff:diff")
  51   end
  52
  53   it "should not call differ if expected or actual are procs" do
  54     @differ.should_not_receive(:diff_as_string)
  55     @differ.should_not_receive(:diff_as_object)
  56     lambda {
  57       Spec::Expectations.fail_with "the message", lambda {}, lambda {}
  58     }.should fail_with("the message")
  59   end
  60
  61   it "should call differ if expected/actual are presented in an Array with message" do
  62     @differ.should_receive(:diff_as_string).with("actual","expected").and_return("diff")
  63     lambda {
  64       Spec::Expectations.fail_with(["the message", "expected", "actual"])
  65     }.should fail_with(/the message\nDiff:diff/)
  66   end
  67
  68   after(:each) do
  69     Spec::Expectations.differ = @old_differ
  70   end
  71 end