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Contents
require 'spec_helper'
module RSpec
module Mocks
describe TestDouble do
before(:all) do
Module.class_eval do
private
def use; end
end
end
after(:all) do
Module.class_eval do
undef use
end
end
it 'can be extended onto a module to make it a pure test double that can mock private methods' do
double = Module.new
double.stub(:use)
expect { double.use }.to raise_error(/private method `use' called/)
double = Module.new { TestDouble.extend_onto(self) }
double.should_receive(:use).and_return(:ok)
expect(double.use).to be(:ok)
end
it 'sets the test double name when a name is passed' do
double = Module.new { TestDouble.extend_onto(self, "MyDouble") }
expect { double.foo }.to raise_error(/Mock "MyDouble" received/)
end
[[:should, :expect], [:expect], [:should]].each do |syntax|
context "with syntax #{syntax.inspect}" do
include_context "with syntax", syntax
it 'stubs the methods passed in the stubs hash' do
double = Module.new do
TestDouble.extend_onto(self, "MyDouble", :a => 5, :b => 10)
end
expect(double.a).to eq(5)
expect(double.b).to eq(10)
end
end
end
it 'indicates what type of test double it is in error messages' do
double = Module.new do
TestDouble.extend_onto(self, "A", :__declared_as => "ModuleMock")
end
expect { double.foo }.to raise_error(/ModuleMock "A"/)
end
it 'is declared as a mock by default' do
double = Module.new { TestDouble.extend_onto(self) }
expect { double.foo }.to raise_error(/Mock received/)
end
it 'warns of deprecation of :null_object => true' do
RSpec.should_receive :deprecate
double = Class.new { TestDouble.extend_onto self, 'name', :null_object => true }
end
end
end
end
Version data entries
29 entries across 29 versions & 8 rubygems