RSpec: Messages in Specific Order

Because your examples should not change global state, you should not need to care about the order in which RSpec processes your .rb files. However, in [some cases](https://web.archive.org/web/20221127190343/https://relishapp.com/rspec/rspec-co...

Sometimes you have a test expectation but actually want a better error message in case of a failure. Here is how to do that.

Background

Consider this test:

expect(User.last).to be_present

In case of an error, it will fail with a n...

Background

• before(:all) runs the block once before all of the examples.
• before(:each) runs the block once before each of your specs.

Summary

• around(:suite) does not exist.
• around(:all) runs after before(:all) and before `a...

There seems to be no built-in matcher in RSpec to check if a string contains terms in the desired order. A simple workaround is to use a regular expression that also matches newlines (m-modifier).

Cons:

• The readability when terms need to be...

You probably know about the possibility to tag scenarios in Cucumber to run your own piece of code before the actual scenario is run which looks like that:

@foo
Scenario: Do something
...

and you place the following snippet into ...

The ActionDispatch module of Rails gives you the helper method flash to access the flash messages in a response.

describe PostsController, type: :request do

  descr...

In modern default RSpec configurations, your tests are usually run in random order. This helps to detect "flickering" tests that only fail when run in a certain order.

The reason for this are tests that have side effects causing other tests to fa...

You will need to upgrade to RSpec >= 2 and rspec-rails >= 2 for Rails 3. Here are some hints to get started:

• In RSpec 2 the executable is rspec, not spec.
• RSpec and rspec-rails have been completely refactored internally. All RSpec classes...

If you stub a method or set expectations with should_receive these stubbed methods may also yield blocks. This is handy if the returning object is receiving a block call.

Consider this, where you cannot say and_return [] because of the bloc...

What do we expect from the custom finder? We expect that it should find assets A, B, C and should not find assets D, E, F. And sometimes the order is important: it should find A, B C with exact order.