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require "book"
class TestBook < Test::Unit::TestCase
def setup
@publisher = Publisher.new("Pear press");
end
def test_should_be_equal
assert_equal(Book.new("Brain Rules for Baby", "John Medina", @publisher, 2010), Book.new("Brain Rules for Baby", "John Medina", @publisher, 2010))
end
def test_should_not_be_equal_because_they_are_different_types
assert_not_equal(Book.new("blah", "anonymous", @publisher, 2011), Game.new("blah", "?", @publisher, 2010))
end
def test_should_not_be_equal_because_they_have_different_titles
assert_not_equal(Book.new("the game", "neil strauss", @publisher, 2001), Book.new("DDD", "eric evans", @publisher, 2005))
end
end
describe Book do
describe "when testing equality" do
def setup
@publisher = Publisher.new("Pear press");
@book = Book.new("Brain Rules for Baby", "John Medina", @publisher, 2010)
end
it "should be equal when it's the same instance" do
@book.must_equal @book
#assert_equal(@book, @book)
end
it "should be equal when they are the same book" do
@book.must_equal Book.new("Brain Rules for Baby", "John Medina", @publisher, 2010)
#assert_equal(@book, Book.new("Brain Rules for Baby", "John Medina", @publisher, 2010))
end
it "should not be equal when they are different books" do
@book.wont_match Book.new("Brain Rules for Baby", "some other guy", @publisher, 2009)
#refute_equal(@book, Book.new("Brain Rules for Baby", "some other guy", @publisher, 2009))
end
end
end
class Game
attr_reader :title;
def initialize(title, author, publisher, year)
@title=title
@publisher = publisher
@year =year
end
end
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