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partial_mock_spec.rb
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partial_mock_spec.rb
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require 'spec_helper'
module RSpec
module Mocks
describe "using a Partial Mock," do
let(:object) { Object.new }
it "names the class in the failure message" do
object.should_receive(:foo)
expect do
object.rspec_verify
end.to raise_error(RSpec::Mocks::MockExpectationError, /\(#<Object:.*>\).foo/)
end
it "names the class in the failure message when expectation is on class" do
Object.should_receive(:foo)
lambda do
Object.rspec_verify
end.should raise_error(RSpec::Mocks::MockExpectationError, /<Object \(class\)>/)
end
it "does not conflict with @options in the object" do
object.instance_eval { @options = Object.new }
object.should_receive(:blah)
object.blah
end
it "should_not_receive mocks out the method" do
object.should_not_receive(:fuhbar)
expect {
object.fuhbar
}.to raise_error(
RSpec::Mocks::MockExpectationError,
/expected\: 0 times\n received\: 1 time/
)
end
it "should_not_receive returns a negative message expectation" do
object.should_not_receive(:foobar).should be_kind_of(RSpec::Mocks::NegativeMessageExpectation)
end
it "should_receive mocks out the method" do
object.should_receive(:foobar).with(:test_param).and_return(1)
object.foobar(:test_param).should equal(1)
end
it "should_receive handles a hash" do
object.should_receive(:foobar).with(:key => "value").and_return(1)
object.foobar(:key => "value").should equal(1)
end
it "should_receive handles an inner hash" do
hash = {:a => {:key => "value"}}
object.should_receive(:foobar).with(:key => "value").and_return(1)
object.foobar(hash[:a]).should equal(1)
end
it "should_receive returns a message expectation" do
object.should_receive(:foobar).should be_kind_of(RSpec::Mocks::MessageExpectation)
object.foobar
end
it "should_receive verifies method was called" do
object.should_receive(:foobar).with(:test_param).and_return(1)
lambda do
object.rspec_verify
end.should raise_error(RSpec::Mocks::MockExpectationError)
end
it "should_receive also takes a String argument" do
object.should_receive('foobar')
object.foobar
end
it "should_not_receive also takes a String argument" do
object.should_not_receive('foobar')
lambda do
object.foobar
end.should raise_error(RSpec::Mocks::MockExpectationError)
end
it "uses reports nil in the error message" do
allow_message_expectations_on_nil
_nil = nil
_nil.should_receive(:foobar)
expect {
_nil.rspec_verify
}.to raise_error(
RSpec::Mocks::MockExpectationError,
%Q|(nil).foobar(any args)\n expected: 1 time\n received: 0 times|
)
end
it "includes the class name in the error when mocking a class method that is called an extra time with the wrong args" do
klass = Class.new do
def self.to_s
"MyClass"
end
end
klass.should_receive(:bar).with(1)
klass.bar(1)
expect {
klass.bar(2)
}.to raise_error(RSpec::Mocks::MockExpectationError, /MyClass/)
end
end
describe "Partially mocking an object that defines ==, after another mock has been defined" do
before(:each) do
stub("existing mock", :foo => :foo)
end
let(:klass) do
Class.new do
attr_reader :val
def initialize(val)
@val = val
end
def ==(other)
@val == other.val
end
end
end
it "does not raise an error when stubbing the object" do
o = klass.new :foo
expect { o.stub(:bar) }.not_to raise_error(NoMethodError)
end
end
describe "Method visibility when using partial mocks" do
let(:klass) do
Class.new do
def public_method
private_method
protected_method
end
protected
def protected_method; end
private
def private_method; end
end
end
let(:object) { klass.new }
it 'keeps public methods public' do
object.should_receive(:public_method)
object.public_methods.should include_method(:public_method)
object.public_method
end
it 'keeps private methods private' do
object.should_receive(:private_method)
object.private_methods.should include_method(:private_method)
object.public_method
end
it 'keeps protected methods protected' do
object.should_receive(:protected_method)
object.protected_methods.should include_method(:protected_method)
object.public_method
end
end
end
end