diaspora/spec/lib/configuration/lookup_chain_spec.rb
Jonne Haß 2a4db54db9 New configuration system
* Throw away old system
* Add new system
* Add new example files
* Replace all calls
* add the most important docs
* Add Specs
* rename disable_ssl_requirement to require_ssl
* cloudfiles isn't used/called in our code
* since community_spotlight.list is only used as enable flag replace it with such one and remove all legacy and irelevant codepaths around it
* die if session secret is unset and on heroku
* First basic infrastructure for version information
2012-09-26 20:19:37 +02:00

67 lines
1.9 KiB
Ruby

require 'spec_helper'
class InvalidConfigurationProvider; end
class ValidConfigurationProvider
def lookup(setting, *args); end
end
describe Configuration::LookupChain do
subject { described_class.new }
describe "#add_provider" do
it "adds a valid provider" do
expect {
subject.add_provider ValidConfigurationProvider
}.to change { subject.instance_variable_get(:@provider).size }.by 1
end
it "doesn't add an invalid provider" do
expect {
subject.add_provider InvalidConfigurationProvider
}.to raise_error ArgumentError
end
it "passes extra args to the provider" do
ValidConfigurationProvider.should_receive(:new).with(:extra)
subject.add_provider ValidConfigurationProvider, :extra
end
end
describe "#lookup" do
before(:all) do
subject.add_provider ValidConfigurationProvider
subject.add_provider ValidConfigurationProvider
@provider = subject.instance_variable_get(:@provider)
end
it "it tries all providers" do
setting = "some.setting"
@provider.each do |provider|
provider.should_receive(:lookup).with(setting).and_raise(Configuration::SettingNotFoundError)
end
subject.lookup(setting)
end
it "stops if a value is found" do
@provider[0].should_receive(:lookup).and_return("something")
@provider[1].should_not_receive(:lookup)
subject.lookup("bla")
end
it "converts numbers to strings" do
@provider[0].stub(:lookup).and_return(5)
subject.lookup("foo").should == "5"
end
it "does not convert false to a string" do
@provider[0].stub(:lookup).and_return(false)
subject.lookup("enable").should be_false
end
it "returns nil if no value is found" do
@provider.each { |p| p.stub(:lookup).and_raise(Configuration::SettingNotFoundError) }
subject.lookup("not.me").should be_nil
end
end
end