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require 'spec_helper'
describe Gitlab::CurrentSettings do
before do
stub_env('IN_MEMORY_APPLICATION_SETTINGS', 'false')
end
shared_context 'with settings in cache' do
before do
create(:application_setting)
described_class.current_application_settings # warm the cache
end
end
describe '#current_application_settings', :use_clean_rails_memory_store_caching do
it 'allows keys to be called directly' do
db_settings = create(:application_setting,
home_page_url: 'http://mydomain.com',
signup_enabled: false)
expect(described_class.home_page_url).to eq(db_settings.home_page_url)
expect(described_class.signup_enabled?).to be_falsey
expect(described_class.signup_enabled).to be_falsey
expect(described_class.metrics_sample_interval).to be(15)
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(described_class.current_application_settings).to be_a(ApplicationSetting)
expect(described_class.current_application_settings).not_to be_persisted
end
end
context 'with DB unavailable' do
context 'and settings in cache' do
include_context 'with settings in cache'
it 'fetches the settings from cache without issuing any query' do
expect(ActiveRecord::QueryRecorder.new { described_class.current_application_settings }.count).to eq(0)
end
end
context 'and no settings in cache' do
before do
# For some reason, `allow(described_class).to receive(:connect_to_db?).and_return(false)` causes issues
# during the initialization phase of the test suite, so instead let's mock the internals of it
allow(ActiveRecord::Base.connection).to receive(:active?).and_return(false)
expect(ApplicationSetting).not_to receive(:current)
end
it 'returns an in-memory ApplicationSetting object' do
expect(described_class.current_application_settings).to be_a(Gitlab::FakeApplicationSettings)
end
it 'does not issue any query' do
expect(ActiveRecord::QueryRecorder.new { described_class.current_application_settings }.count).to eq(0)
end
end
end
context 'with DB available' do
# This method returns the ::ApplicationSetting.defaults hash
# but with respect of custom attribute accessors of ApplicationSetting model
def settings_from_defaults
ar_wrapped_defaults = ::ApplicationSetting.build_from_defaults.attributes
ar_wrapped_defaults.slice(*::ApplicationSetting.defaults.keys)
end
context 'and settings in cache' do
include_context 'with settings in cache'
it 'fetches the settings from cache' do
# For some reason, `allow(described_class).to receive(:connect_to_db?).and_return(true)` causes issues
# during the initialization phase of the test suite, so instead let's mock the internals of it
expect(ActiveRecord::Base.connection).not_to receive(:active?)
expect(ActiveRecord::Base.connection).not_to receive(:cached_table_exists?)
expect(ActiveRecord::Migrator).not_to receive(:needs_migration?)
expect(ActiveRecord::QueryRecorder.new { described_class.current_application_settings }.count).to eq(0)
end
end
context 'and no settings in cache' do
before do
allow(ActiveRecord::Base.connection).to receive(:active?).and_return(true)
allow(ActiveRecord::Base.connection).to receive(:cached_table_exists?).with('application_settings').and_return(true)
end
it 'creates default ApplicationSettings if none are present' do
settings = described_class.current_application_settings
expect(settings).to be_a(ApplicationSetting)
expect(settings).to be_persisted
expect(settings).to have_attributes(settings_from_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 = described_class.current_application_settings
expect(settings).to be_a(Gitlab::FakeApplicationSettings)
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 = described_class.current_application_settings
app_defaults = ApplicationSetting.last
expect(settings).to be_a(Gitlab::FakeApplicationSettings)
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
context 'when ApplicationSettings.current is present' do
it 'returns the existing application settings' do
expect(ApplicationSetting).to receive(:current).and_return(:current_settings)
expect(described_class.current_application_settings).to eq(:current_settings)
end
end
context 'when the application_settings table does not exists' do
it 'returns an in-memory ApplicationSetting object' do
expect(ApplicationSetting).to receive(:create_from_defaults).and_raise(ActiveRecord::StatementInvalid)
expect(described_class.current_application_settings).to be_a(Gitlab::FakeApplicationSettings)
end
end
context 'when the application_settings table is not fully migrated' do
it 'returns an in-memory ApplicationSetting object' do
expect(ApplicationSetting).to receive(:create_from_defaults).and_raise(ActiveRecord::UnknownAttributeError)
expect(described_class.current_application_settings).to be_a(Gitlab::FakeApplicationSettings)
end
end
end
end
end
end
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