1. Unit Testing

2. Unit Testing Venkat’s rant on Unit Testing What is it? Benefits
Ruby’s emphasis on it

3. Your Test Your Test inherits from Test::Unit::TestCase
require ‘test/unit’
Use assert methods like assert_equals
Test methods start with test prefix
setup and teardown methods

4. Running Tests ruby testfilename.rb
ruby testfilename.rb –name test_name

5. Asserts assert assert_nil assert_not_nil assert_equal assert_not_equal
assert_in_delta
assert_raise
assert_nothing_raised
assert_instance_of
assert_kind_of
assert_respond_to
assert_match
assert_no_match
assert_same
assert_not_same
assert_operator
assert_throws
assert_send
flunk

6. Unit Tests

7. Organizing Your Tests
Put your tests in a test directory parallel to the code directory
To run your tests from different directories you need to help ruby located it
The above modified $: (variable that represents load path) so that it gets the ../src directory relative to where the test is

8. The $: magic

9. Organizaing your tests