debian-mirror-gitlab/spec/lib/gitlab/current_settings_spec.rb
2017-09-10 17:25:29 +05:30

109 lines
4 KiB
Ruby

require 'spec_helper'
describe Gitlab::CurrentSettings do
include StubENV
before do
stub_env('IN_MEMORY_APPLICATION_SETTINGS', 'false')
end
describe '#current_application_settings' do
context 'with DB available' do
before do
allow_any_instance_of(described_class).to receive(:connect_to_db?).and_return(true)
end
it 'attempts to use cached values first' do
expect(ApplicationSetting).to receive(:cached)
expect(current_application_settings).to be_a(ApplicationSetting)
end
it 'falls back to DB if Redis returns an empty value' do
expect(ApplicationSetting).to receive(:cached).and_return(nil)
expect(ApplicationSetting).to receive(:last).and_call_original
expect(current_application_settings).to be_a(ApplicationSetting)
end
it 'falls back to DB if Redis fails' do
db_settings = ApplicationSetting.create!(ApplicationSetting.defaults)
expect(ApplicationSetting).to receive(:cached).and_raise(::Redis::BaseError)
expect(Rails.cache).to receive(:fetch).with(ApplicationSetting::CACHE_KEY).and_raise(Redis::BaseError)
expect(current_application_settings).to eq(db_settings)
end
it 'creates default ApplicationSettings if none are present' do
expect(ApplicationSetting).to receive(:cached).and_raise(::Redis::BaseError)
expect(Rails.cache).to receive(:fetch).with(ApplicationSetting::CACHE_KEY).and_raise(Redis::BaseError)
settings = current_application_settings
expect(settings).to be_a(ApplicationSetting)
expect(settings).to be_persisted
expect(settings).to have_attributes(ApplicationSetting.defaults)
end
context 'with migrations pending' do
before do
expect(ActiveRecord::Migrator).to receive(:needs_migration?).and_return(true)
end
it 'returns an in-memory ApplicationSetting object' do
settings = current_application_settings
expect(settings).to be_a(OpenStruct)
expect(settings.sign_in_enabled?).to eq(settings.sign_in_enabled)
expect(settings.sign_up_enabled?).to eq(settings.sign_up_enabled)
end
it 'uses the existing database settings and falls back to defaults' do
db_settings = create(:application_setting,
home_page_url: 'http://mydomain.com',
signup_enabled: false)
settings = current_application_settings
app_defaults = ApplicationSetting.last
expect(settings).to be_a(OpenStruct)
expect(settings.home_page_url).to eq(db_settings.home_page_url)
expect(settings.signup_enabled?).to be_falsey
expect(settings.signup_enabled).to be_falsey
# Check that unspecified values use the defaults
settings.reject! { |key, _| [:home_page_url, :signup_enabled].include? key }
settings.each { |key, _| expect(settings[key]).to eq(app_defaults[key]) }
end
end
end
context 'with DB unavailable' do
before do
allow_any_instance_of(described_class).to receive(:connect_to_db?).and_return(false)
allow_any_instance_of(described_class).to receive(:retrieve_settings_from_database_cache?).and_return(nil)
end
it 'returns an in-memory ApplicationSetting object' do
expect(ApplicationSetting).not_to receive(:current)
expect(ApplicationSetting).not_to receive(:last)
expect(current_application_settings).to be_a(OpenStruct)
end
end
context 'when ENV["IN_MEMORY_APPLICATION_SETTINGS"] is true' do
before do
stub_env('IN_MEMORY_APPLICATION_SETTINGS', 'true')
end
it 'returns an in-memory ApplicationSetting object' do
expect(ApplicationSetting).not_to receive(:current)
expect(ApplicationSetting).not_to receive(:last)
expect(current_application_settings).to be_a(ApplicationSetting)
expect(current_application_settings).not_to be_persisted
end
end
end
end