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Contents
require File.join(File.dirname(__FILE__), '../spec_helper.rb')
describe Attributor::Container do
context '.decode_json' do
let(:mock_type) do
Class.new do
include Attributor::Container
def self.native_type
::Hash
end
end
end
context 'for valid JSON strings' do
it "parses JSON string into the native type" do
a_hash = {"a" => 1, "b" => 2}
json_hash = JSON.dump( a_hash )
mock_type.decode_json(json_hash).should == a_hash
end
it 'complains when trying to decode a non-String value' do
expect{
mock_type.decode_json(Object.new)
}.to raise_error(Attributor::DeserializationError, /Error deserializing a Object using JSON/)
end
it 'complains when the deserialized value is not of the native_type' do
expect{
mock_type.decode_json("[1,2,3]")
}.to raise_error(Attributor::CoercionError, /Error coercing from Array/)
end
it 'complains if there is a error deserializing the string' do
expect{
mock_type.decode_json("{invalid_json}")
}.to raise_error(Attributor::DeserializationError, /Error deserializing a String using JSON/)
end
it 'uses the passed context in the output error' do
expect{
mock_type.decode_json("{invalid_json}",["my_context","attribute_name"])
}.to raise_error(Attributor::DeserializationError, /Error deserializing a String using JSON.* while loading my_context.attribute_name/)
end
end
end
end
Version data entries
17 entries across 17 versions & 1 rubygems