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| -rw-r--r-- | guides/source/testing.md | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/guides/source/testing.md b/guides/source/testing.md index fac3f18eb9..d6e4aa36db 100644 --- a/guides/source/testing.md +++ b/guides/source/testing.md @@ -782,6 +782,41 @@ end Similar to other callbacks in Rails, the `setup` and `teardown` methods can also be used by passing a block, lambda, or method name as a symbol to call. +### Test helpers + +To avoid code duplication, you can add your own test helpers. +Sign in helper can be a good example: + +```ruby +test/test_helper.rb + +module SignInHelper + def sign_in(user) + session[:user_id] = user.id + end +end + +class ActionController::TestCase + include SignInHelper +end +``` + +```ruby +require 'test_helper' + +class ProfileControllerTest < ActionController::TestCase + + test "should show profile" do + # helper is now reusable from any controller test case + sign_in users(:david) + + get :show + assert_response :success + assert_equal users(:david), assigns(:user) + end +end +``` + Testing Routes -------------- |