Test that a hash contains a partial hash with RSpec
To test whether a hash includes an expected sub-hash:
expect(user.attributes).to match(hash_including('name' => 'Bruce Wayne'))
expect(User).to receive(:create!).with(hash_including('name' => 'Bruce Wayne'))
Related cards:
Test that a select field contains an option with Cucumber
This note describes a Cucumber step definition that lets you say:
Then "Mow lawn" should be an option for "Activity"
But "Reply support mail" should not be an option for "Activity"
Note that this step checks whether an option is availabl...
Test that a form field is visible with Cucumber/Capybara
Spreewald now comes with a step that tests if a form field is visible:
Then the "Due date" field should be visible
But the "Author" field should not be visible
The step works by looking up the...
Test that a number or money amount is shown with Cucumber
This is an awful way to test whether a number is shown on the screen:
Then I should see "5"
It is awful because the step above is green for 5, 5123 and -51.
This step definition below makes sure this doesn't happen. You can use it like this...
Test that a CSS selector is present with Cucumber
This note describes a Cucumber step definition that lets you test whether or not a CSS selector is present on the site:
Then I should see an element "#sign_in"
But I should not see an element "#sign_out"
Here is the step definition for C...
Test that a select option is selected with Cucumber
This step tests whether a given select option comes preselected in the HTML. There is another step to test that an option is available at all.
Cap...
RSpec: Debug flickering test suites with rspec --bisect
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...
Test that a form field has an error with Cucumber and Capybara
You can use the step definition below to say this:
Then the "Last name" field should have an error
Capybara
Then /^the "([^\"]*)" field should( not)? have an error$/ do |field, negate|
expectation = negate ? :should_not...
Check if two arrays contain the same elements in Ruby, RSpec or Test::Unit
RSpec 1, RSpec 2
To test whether two arrays have the same elements regardless of order, RSpec 1 and 2 give you the =~ matcher:
actual_array.should =~ expected_array
Rspec 3
With RSpec 3's expect s...
Test-Driven Development with integration and unit tests: a pragmatic approach
Test-Driven Development (TDD) in its most dogmatic form (red-green-refactor in micro-iterations) can be tedious. It does not have to be this way! This guide shows a pragmatic approach with integration and unit tests, that works in practice and imp...
Capybara: Waiting for pending AJAX requests after a test
When ending a Selenium test Capybara resets the browser state by closing the tab, clearing cookies, localStorage, etc.
It may be a good idea to wait for all in-flight AJAX requests to finish before ending a scenario:
- You may have client-side...