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Contents
Feature: exist matcher
The exist matcher is used to specify that something exists
(as indicated by #exist? or #exists?):
```ruby
obj.should exist # passes if obj.exist? or obj.exists?
```
Scenario: basic usage
Given a file named "exist_matcher_spec.rb" with:
"""ruby
class Planet
attr_reader :name
def initialize(name)
@name = name
end
def inspect
"<Planet: #{name}>"
end
def exist? # also works with exists?
%w[Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune].include?(name)
end
end
describe "Earth" do
let(:earth) { Planet.new("Earth") }
specify { earth.should exist }
specify { earth.should_not exist } # deliberate failure
end
describe "Tatooine" do
let(:tatooine) { Planet.new("Tatooine") }
it { tatooine.should exist } # deliberate failure
it { tatooine.should_not exist }
end
"""
When I run `rspec exist_matcher_spec.rb`
Then the output should contain all of these:
| 4 examples, 2 failures |
| expected <Planet: Earth> not to exist |
| expected <Planet: Tatooine> to exist |
Version data entries
42 entries across 42 versions & 12 rubygems