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Contents
require File.expand_path('../../../spec_helper', __FILE__)
ruby_version_is "1.8.8" do
describe "Hash.try_convert" do
it "returns the argument if passed a Hash" do
h = {:foo => :glark}
Hash.try_convert(h).should == h
end
it "returns nil if the argument can't be coerced into a Hash" do
Hash.try_convert(Object.new).should be_nil
end
it "does not rescue exceptions raised by #to_hash" do
obj = mock("to_hash raises")
obj.should_receive(:to_hash).and_raise(RuntimeError)
lambda { Hash.try_convert obj }.should raise_error(RuntimeError)
end
it "coerces the argument with #to_hash" do
obj = mock('to_hash')
obj.should_receive(:to_hash).and_return({:foo => :bar})
Hash.try_convert(obj).should == {:foo => :bar}
end
it "raises a TypeError if #to_hash does not return a Hash" do
obj = mock("to_hash invalid")
obj.should_receive(:to_hash).and_return(:invalid_to_hash)
lambda { Hash.try_convert obj }.should raise_error(TypeError)
end
end
end
Version data entries
62 entries across 62 versions & 3 rubygems