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redisget_spec.rb
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redisget_spec.rb
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require 'spec_helper'
require 'mock_redis'
require 'redis'
REDIS_URL = 'redis://localhost:6379'.freeze
LOCAL_BROKEN_URL = 'redis://localhost:1234'.freeze
REMOTE_BROKEN_URL = 'redis://redis.example.com:1234'.freeze
describe 'redisget' do
context 'should error if connection to remote redis server cannot be made and no default is specified' do
it { is_expected.to run.with_params('nonexistent_key', REMOTE_BROKEN_URL).and_raise_error(Puppet::Error, %r{connection to redis server failed - getaddrinfo}) }
end
context 'should return default value if connection to remote redis server cannot be made and default is specified' do
it { is_expected.to run.with_params('nonexistent_key', REMOTE_BROKEN_URL, 'default_value').and_return('default_value') }
end
context 'should error if connection to local redis server cannot be made and no default is specified' do
it { is_expected.to run.with_params('nonexistent_key', LOCAL_BROKEN_URL).and_raise_error(Puppet::Error, %r{connection to redis server failed - Error connecting to Redis on localhost:1234}) }
end
context 'should return default value if connection to local redis server cannot be made and default is specified' do
it { is_expected.to run.with_params('nonexistent_key', LOCAL_BROKEN_URL, 'default_value').and_return('default_value') }
end
context 'should return nil if key does not exist and no default is specified' do
before do
mr = MockRedis.new
Redis.stubs(:new).returns(mr)
end
it { is_expected.to run.with_params('nonexistent_key', REDIS_URL).and_return(nil) }
end
context 'should return the default value if specified and key does not exist' do
before do
mr = MockRedis.new
Redis.stubs(:new).returns(mr)
end
it { is_expected.to run.with_params('nonexistent_key', REDIS_URL, 'default_value').and_return('default_value') }
end
context 'should return the value of the specified key' do
before do
mr = MockRedis.new
Redis.stubs(:new).returns(mr)
mr.set('key', 'value')
end
it { is_expected.to run.with_params('key', REDIS_URL).and_return('value') }
end
context 'should return the value of the specified key and not the default' do
before do
mr = MockRedis.new
Redis.stubs(:new).returns(mr)
mr.set('key', 'value')
end
it { is_expected.to run.with_params('key', REDIS_URL, 'default_value').and_return('value') }
end
describe 'with incorrect arguments' do
context 'with no argument specified' do
it { is_expected.to run.with_params.and_raise_error(Puppet::ParseError, %r{wrong number of arguments}i) }
end
context 'with only one argument specified' do
it { is_expected.to run.with_params('some_key').and_raise_error(Puppet::ParseError, %r{wrong number of arguments}i) }
end
context 'with more than three arguments specified' do
it { is_expected.to run.with_params('way', 'too', 'many', 'args').and_raise_error(Puppet::ParseError, %r{wrong number of arguments}i) }
end
end
describe 'when an invalid type (non-string) is specified' do
before do
mr = MockRedis.new
Redis.stubs(:new).returns(mr)
end
[{ 'ha' => 'sh' }, true, 1, %w[an array]].each do |p|
context "specifing first parameter as <#{p}>" do
it { is_expected.to run.with_params(p, REDIS_URL).and_raise_error(Puppet::ParseError, %r{wrong argument type}i) }
end
context "specifing second parameter as <#{p}>" do
it { is_expected.to run.with_params('valid', p).and_raise_error(Puppet::ParseError, %r{wrong argument type}i) }
end
context "specifing third parameter as <#{p}>" do
it { is_expected.to run.with_params('valid', p).and_raise_error(Puppet::ParseError, %r{wrong argument type}i) }
end
end
end
end

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