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Contents
require 'spec_helper'
describe EDN do
describe "metadata" do
it "reads metadata, which does not change the element's equality" do
EDN.read('[1 2 3]').should == EDN.read('^{:doc "My vec"} [1 2 3]')
end
it "reads metadata recursively from right to left" do
element = EDN.read('^String ^:foo ^{:foo false :tag Boolean :bar 2} [1 2]')
element.should == [1, 2]
element.metadata.should == {:tag => ~"String", :foo => true, :bar => 2}
end
it "writes metadata" do
element = EDN.read('^{:doc "My vec"} [1 2 3]')
element.to_edn.should == '^{:doc "My vec"} [1 2 3]'
end
it "only writes metadata for elements that can have it" do
apply_metadata = lambda { |o|
o.extend(EDN::Metadata)
o.metadata = {:foo => 1}
o
}
apply_metadata[[1, 2]].to_edn.should == '^{:foo 1} [1 2]'
apply_metadata[~[1, 2]].to_edn.should == '^{:foo 1} (1 2)'
apply_metadata[{1 => 2}].to_edn.should == '^{:foo 1} {1 2}'
apply_metadata[Set.new([1, 2])].to_edn.should == '^{:foo 1} #{1 2}'
apply_metadata[~"bar"].to_edn.should == '^{:foo 1} bar'
apply_metadata["bar"].to_edn.should == '"bar"'
# Cannot extend symbols, booleans, and nil, so no test for them.
end
end
end
Version data entries
11 entries across 11 versions & 2 rubygems