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Contents
Feature: exist matcher
The exist matcher is used to specify that something exists
(as indicated by #exist?):
obj.should exist # passes if obj.exist?
Scenario: basic usage
Given a file named "exist_matcher_spec.rb" with:
"""
class Planet
attr_reader :name
def initialize(name)
@name = name
end
def inspect
"<Planet: #{name}>"
end
def exist?
%w[Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune].include?(name)
end
end
describe "Earth" do
subject { Planet.new("Earth") }
it { should exist }
it { should_not exist } # deliberate failure
end
describe "Tatooine" do
subject { Planet.new("Tatooine") }
it { should_not exist }
it { should exist } # deliberate failure
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
11 entries across 11 versions & 2 rubygems