(strange) error on assert_equal

rubyonrails-talk
1

Hi all,

I’m having error on all unit test. Even this one:

hash = { :title => “recipe title”, :description => “recipe description”, :serving => 1,

  :directions => "do it"

}
recipe_expected = Recipe.new(hash)
recipe_should_be_equal = Recipe.new(hash)
assert_equal(recipe_expected, recipe_should_be_equal)

And this is the error i get:

test_should_be_equal FAIL

    ./test/unit/recipe_test.rb:16:in `test_should_be_equal'
    <#<Recipe id: nil, title: "recipe title", serving: 1, description: "recipe description", directions: "do it", created_at: nil, updated_at: nil>> expected but was

    <#<Recipe id: nil, title: "recipe title", serving: 1, description: "recipe description", directions: "do it", created_at: nil, updated_at: nil>>.

As far as i can see, the object is the same. I’m wondering why this is happening.

Thanks,

Dida

2

Hi all,

As far as i can see, the object is the same. I'm wondering why this is happening.

That's just how == is implemented for activerecord: if they have the same id then they are equal, if not (or if one is unsaved) then they are not equal (since saving them would result in 2 different rows in the database.

Fred