43 lines
990 B
Ruby
43 lines
990 B
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe Gitlab::Database::PostgresqlAdapter::EmptyQueryPing do
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describe '#active?' do
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let(:adapter_class) do
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Class.new do
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include Gitlab::Database::PostgresqlAdapter::EmptyQueryPing
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def initialize(connection, lock)
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@connection = connection
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@lock = lock
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end
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end
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end
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subject { adapter_class.new(connection, lock).active? }
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let(:connection) { double(query: nil) }
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let(:lock) { double }
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before do
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allow(lock).to receive(:synchronize).and_yield
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end
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it 'uses an empty query to check liveness' do
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expect(connection).to receive(:query).with(';')
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subject
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end
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it 'returns true if no error was signaled' do
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expect(subject).to be_truthy
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end
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it 'returns false when an error occurs' do
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expect(lock).to receive(:synchronize).and_raise(PG::Error)
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expect(subject).to be_falsey
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end
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end
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end
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