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require 'spec_helper'
describe 'parseyaml' do
it 'should exist' do
is_expected.not_to eq(nil)
end
it 'should raise an error if called without any arguments' do
is_expected.to run.with_params().
and_raise_error(/wrong number of arguments/i)
end
context 'with correct YAML data' do
it 'should be able to parse a YAML data with a String' do
is_expected.to run.with_params('--- just a string').
and_return('just a string')
is_expected.to run.with_params('just a string').
and_return('just a string')
end
it 'should be able to parse a YAML data with a Hash' do
is_expected.to run.with_params("---\na: '1'\nb: '2'\n").
and_return({'a' => '1', 'b' => '2'})
end
it 'should be able to parse a YAML data with an Array' do
is_expected.to run.with_params("---\n- a\n- b\n- c\n").
and_return(['a', 'b', 'c'])
end
it 'should be able to parse a YAML data with a mixed structure' do
is_expected.to run.with_params("---\na: '1'\nb: 2\nc:\n d:\n - :a\n - true\n - false\n").
and_return({'a' => '1', 'b' => 2, 'c' => {'d' => [:a, true, false]}})
end
it 'should not return the default value if the data was parsed correctly' do
is_expected.to run.with_params("---\na: '1'\n", 'default_value').
and_return({'a' => '1'})
end
end
context 'on a modern ruby', :unless => RUBY_VERSION == '1.8.7' do
it 'should raise an error with invalid YAML and no default' do
is_expected.to run.with_params('["one"').
and_raise_error(Psych::SyntaxError)
end
end
context 'when running on ruby 1.8.7, which does not have Psych', :if => RUBY_VERSION == '1.8.7' do
it 'should raise an error with invalid YAML and no default' do
is_expected.to run.with_params('["one"').
and_raise_error(ArgumentError)
end
end
context 'with incorrect YAML data' do
it 'should support a structure for a default value' do
is_expected.to run.with_params('', {'a' => '1'}).
and_return({'a' => '1'})
end
[1, 1.2, nil, true, false, [], {}, :yaml].each do |value|
it "should return the default value for an incorrect #{value.inspect} (#{value.class}) parameter" do
is_expected.to run.with_params(value, 'default_value').
and_return('default_value')
end
end
context 'when running on modern rubies', :unless => RUBY_VERSION == '1.8.7' do
['---', '...', '*8', ''].each do |value|
it "should return the default value for an incorrect #{value.inspect} string parameter" do
is_expected.to run.with_params(value, 'default_value').
and_return('default_value')
end
end
end
end
end
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