gitlab-org--gitlab-foss/spec/lib/gitlab/daemon_spec.rb

103 lines
2.5 KiB
Ruby

require 'spec_helper'
describe Gitlab::Daemon do
subject { described_class.new }
before do
allow(subject).to receive(:start_working)
allow(subject).to receive(:stop_working)
end
describe '.instance' do
before do
allow(Kernel).to receive(:at_exit)
end
after do
described_class.instance_variable_set(:@instance, nil)
end
it 'provides instance of Daemon' do
expect(described_class.instance).to be_instance_of(described_class)
end
it 'subsequent invocations provide the same instance' do
expect(described_class.instance).to eq(described_class.instance)
end
it 'creates at_exit hook when instance is created' do
expect(described_class.instance).not_to be_nil
expect(Kernel).to have_received(:at_exit)
end
end
describe 'when Daemon is enabled' do
before do
allow(subject).to receive(:enabled?).and_return(true)
end
describe 'when Daemon is stopped' do
describe '#start' do
it 'starts the Daemon' do
expect { subject.start.join }.to change { subject.thread? }.from(false).to(true)
expect(subject).to have_received(:start_working)
end
end
describe '#stop' do
it "doesn't shutdown stopped Daemon" do
expect { subject.stop }.not_to change { subject.thread? }
expect(subject).not_to have_received(:start_working)
end
end
end
describe 'when Daemon is running' do
before do
subject.start.join
end
describe '#start' do
it "doesn't start running Daemon" do
expect { subject.start.join }.not_to change { subject.thread? }
expect(subject).to have_received(:start_working).once
end
end
describe '#stop' do
it 'shutdowns Daemon' do
expect { subject.stop }.to change { subject.thread? }.from(true).to(false)
expect(subject).to have_received(:stop_working)
end
end
end
end
describe 'when Daemon is disabled' do
before do
allow(subject).to receive(:enabled?).and_return(false)
end
describe '#start' do
it "doesn't start working" do
expect(subject.start).to be_nil
expect { subject.start }.not_to change { subject.thread? }
expect(subject).not_to have_received(:start_working)
end
end
describe '#stop' do
it "doesn't stop working" do
expect { subject.stop }.not_to change { subject.thread? }
expect(subject).not_to have_received(:stop_working)
end
end
end
end