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Versions: 4
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Stored size: 1.52 KB
Contents
require File.dirname(__FILE__) + '/../../spec_helper'
describe "IvarProxy setup", :shared => true do
before do
@object = Object.new
@proxy = Spec::Rails::DSL::IvarProxy.new(@object)
end
end
describe "IvarProxy" do
it_should_behave_like "IvarProxy setup"
it "has [] accessor" do
@proxy['foo'] = 'bar'
@object.instance_variable_get(:@foo).should == 'bar'
@proxy['foo'].should == 'bar'
end
it "iterates through each element like a Hash" do
values = {
'foo' => 1,
'bar' => 2,
'baz' => 3
}
@proxy['foo'] = values['foo']
@proxy['bar'] = values['bar']
@proxy['baz'] = values['baz']
@proxy.each do |key, value|
key.should == key
value.should == values[key]
end
end
it "detects the presence of a key" do
@proxy['foo'] = 'bar'
@proxy.has_key?('foo').should == true
@proxy.has_key?('bar').should == false
end
end
describe "IvarProxy", "#delete" do
it_should_behave_like "IvarProxy setup"
it "deletes the element with key" do
@proxy['foo'] = 'bar'
@proxy.delete('foo').should == 'bar'
@proxy['foo'].should be_nil
end
it "deletes nil instance variables" do
@proxy['foo'] = nil
@object.instance_variables.should include("@foo")
@proxy.delete('foo').should == nil
@proxy['foo'].should be_nil
@object.instance_variables.should_not include("@foo")
end
it "returns nil when key does not exist" do
@proxy['foo'].should be_nil
@proxy.delete('foo').should == nil
@proxy['foo'].should be_nil
end
end
Version data entries
4 entries across 4 versions & 2 rubygems