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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::HealthChecks::Probes::Collection do
let(:readiness) { described_class.new(*checks) }
describe '#execute' do
subject { readiness.execute }
context 'with all checks' do
let(:checks) do
[
Gitlab::HealthChecks::DbCheck,
Gitlab::HealthChecks::Redis::RedisCheck,
Gitlab::HealthChecks::Redis::CacheCheck,
Gitlab::HealthChecks::Redis::QueuesCheck,
Gitlab::HealthChecks::Redis::SharedStateCheck,
Gitlab::HealthChecks::Redis::TraceChunksCheck,
Gitlab::HealthChecks::Redis::RateLimitingCheck,
Gitlab::HealthChecks::Redis::SessionsCheck,
Gitlab::HealthChecks::GitalyCheck
]
end
it 'responds with readiness checks data' do
expect(subject.http_status).to eq(200)
expect(subject.json[:status]).to eq('ok')
expect(subject.json['db_check']).to contain_exactly(status: 'ok')
expect(subject.json['cache_check']).to contain_exactly(status: 'ok')
expect(subject.json['queues_check']).to contain_exactly(status: 'ok')
expect(subject.json['shared_state_check']).to contain_exactly(status: 'ok')
expect(subject.json['gitaly_check']).to contain_exactly(
status: 'ok', labels: { shard: 'default' })
end
context 'when Redis fails' do
before do
allow(Gitlab::HealthChecks::Redis::RedisCheck).to receive(:readiness).and_return(
Gitlab::HealthChecks::Result.new('redis_check', false, "check error"))
end
it 'responds with failure' do
expect(subject.http_status).to eq(503)
expect(subject.json[:status]).to eq('failed')
expect(subject.json['cache_check']).to contain_exactly(status: 'ok')
expect(subject.json['redis_check']).to contain_exactly(
status: 'failed', message: 'check error')
end
end
context 'when check raises exception not handled inside the check' do
before do
expect(Gitlab::HealthChecks::Redis::RedisCheck).to receive(:readiness).and_raise(
::Redis::CannotConnectError, 'Redis down')
end
it 'responds with failure including the exception info' do
expect(subject.http_status).to eq(500)
expect(subject.json[:status]).to eq('failed')
expect(subject.json[:message]).to eq('Redis::CannotConnectError : Redis down')
end
end
context 'when some checks are not available' do
before do
allow(Gitlab::Runtime).to receive(:puma_in_clustered_mode?).and_return(false)
end
let(:checks) do
[
Gitlab::HealthChecks::MasterCheck
]
end
it 'asks for check availability' do
expect(Gitlab::HealthChecks::MasterCheck).to receive(:available?)
subject
end
it 'does not call `readiness` on checks that are not available' do
expect(Gitlab::HealthChecks::MasterCheck).not_to receive(:readiness)
subject
end
it 'does not fail collection check' do
expect(subject.http_status).to eq(200)
expect(subject.json[:status]).to eq('ok')
end
end
end
context 'without checks' do
let(:checks) { [] }
it 'responds with success' do
expect(subject.http_status).to eq(200)
expect(subject.json).to eq(status: 'ok')
end
end
end
end
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