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Versions: 8
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Contents
require File.expand_path(File.join(File.dirname(__FILE__), '..', 'spec_helper'))
describe "DataMapper::DependencyQueue" do
before :each do
@q = DataMapper::DependencyQueue.new
@dependencies = @q.instance_variable_get("@dependencies")
end
describe "#add" do
it "should store the supplied callback in @dependencies" do
@q.add('MissingConstant') { true }
@dependencies['MissingConstant'].first.call.should == true
end
end
describe "#resolve!" do
describe "(when dependency is not defined)" do
it "should not alter @dependencies" do
@q.add('MissingConstant') { true }
old_dependencies = @dependencies.dup
@q.resolve!
old_dependencies.should == @dependencies
end
end
describe "(when dependency is defined)" do
before :each do
@q.add('MissingConstant') { |klass| klass.instance_variable_set("@resolved", true) } # add before MissingConstant is loaded
class MissingConstant
end
end
it "should execute stored callbacks" do
@q.resolve!
MissingConstant.instance_variable_get("@resolved").should == true
end
it "should clear @dependencies" do
@q.resolve!
@dependencies['MissingConstant'].should be_empty
end
end
end
end
Version data entries
8 entries across 8 versions & 2 rubygems