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A super tight library to add contexts to tests.

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README.rdoc

context – The testing library you've been looking for

github.com/jeremymcanally/context

DESCRIPTION:

If you've ever wanted contexts in your Test::Unit tests, then context is for you. Your tests will be easier to read and write without all the magic and extra code smell!

FEATURES/PROBLEMS:

  • Add contexts to Test::Unit tests

  • Small DSL for specifying tests that are pretty

  • Ability to chain context lifecycle methods (coming soon)

SYNOPSIS:

  • Add contexts using familiar syntax:

    class UserTest < Test::Unit::TestCase
      context "A new User" do
        # Before/after lifecycle blocks
        before do
          @user = User.first
        end
    
        # Specify tests using DSL
        test "should have the right full_name" do
          assert_equal "Dude Man", @user.full_name
        end
    
        test "should be able to set parts of the name" do
          @user.first_name = "Mad"
          @user.last_name = "Max"
          @user.save
          assert_equal "Mad Max", @user.full_name
        end
    
        after do
          @user.first_name = "Dude"
          @user.last_name = "Man"
          @user.save!
        end
      end
    end
  • It also has aliases that match other library's syntaxes (all of which can be mixed and matched):

    class UserTest < Test::Unit::TestCase
      context "A new Account" do
        test "should be new" do
          Account.new.new_record?
        end
      end
    
      # RSpec-esque
      describe "A new User" do
        it "should do things" do
          User.first.do_things!
        end
      end
    
      # Shoulda-esque
      context "Another User" do
        should "do things that are fun" do
          User.first.do_things!(:fun)
        end
      end
    end
  • Contexts can also be nested:

    class UserTest < Test::Unit::TestCase
      context "A new User" do
        context "with clown shoes" do
          test "should squeak" do
            assert_true User.find_by_shoes("clown").squeak?
          end
        end
    
        context "without clown shoes" do
          test "should not squeak" do
            assert_false User.find_by_shoes("dressy").squeak?
          end
        end
      end
    end
  • You can also share behavior among contexts:

    class UserTest < Test::Unit::TestCase
      shared "shared things" do
        test "things are shared" do
          # test logic here...
        end
      end
    
      context "the first thing" do
        uses "shared things"
    
        test "other things..." do
          # More testing...
        end
      end
    end
  • Shared behaviors can also use RSpec syntax

    class UserTest < Test::Unit::TestCase
      share_examples_for "shared things" do
        it "things are shared" do
          # test logic here...
        end
      end
    
      describe "the first thing" do
        it_should_behave_like "shared things"
    
        it "other things..." do
          # More testing...
        end
      end
    end

REQUIREMENTS:

  • Test::Unit (you have it; trust me)

INSTALL:

$ gem sources -a http://gems.github.com
$ sudo gem install jeremymcanally-context

LICENSE:

Copyright © 2008 Jeremy McAnally

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the 'Software'), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

ACKNOWLEDGEMENTS:

Original implementation by myself, but heavily tweaked and borrowed from Rails Core and Pratik Naik.

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