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Contents
Feature: attribute of subject
Use the its() method as a short-hand to generate a nested example group with
a single example that specifies the expected value of an attribute of the subject.
This can be used with an implicit or explicit subject.
its() accepts a symbol or a string, and a block representing the example. Use
a string with dots to specify a nested attribute (i.e. an attribute of the
attribute of the subject).
Scenario: simple attribute
Given a file named "example_spec.rb" with:
"""
describe Array do
its(:size) { should == 0 }
end
"""
When I run "rspec example_spec.rb --format documentation"
Then the output should contain:
"""
Array
size
should == 0
"""
Scenario: nested attribute
Given a file named "example_spec.rb" with:
"""
class Person
attr_reader :phone_numbers
def initialize
@phone_numbers = []
end
end
describe Person do
subject do
person = Person.new
person.phone_numbers << "555-1212"
person
end
its("phone_numbers.first") { should == "555-1212" }
end
"""
When I run "rspec example_spec.rb --format documentation"
Then the output should contain:
"""
Person
phone_numbers.first
should == "555-1212"
"""
Version data entries
12 entries across 12 versions & 2 rubygems