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# frozen_string_literal: true
RSpec.shared_examples 'a correct instrumented metric value' do |params|
let(:time_frame) { params[:time_frame] }
let(:options) { params[:options] }
let(:events) { params.slice(:events) }
let(:metric) { described_class.new({ time_frame: time_frame, options: options }.merge(events)) }
around do |example|
freeze_time { example.run }
end
before do
if metric.respond_to?(:relation, true) && metric.send(:relation).respond_to?(:connection)
allow(metric.send(:relation).connection).to receive(:transaction_open?).and_return(false)
end
end
it 'has correct value' do
expect(metric.value).to eq(expected_value)
end
end
RSpec.shared_examples 'a correct instrumented metric query' do |params|
let(:time_frame) { params[:time_frame] }
let(:options) { params[:options] }
let(:metric) { described_class.new(time_frame: time_frame, options: options) }
around do |example|
freeze_time { example.run }
end
before do
if metric.respond_to?(:relation, true) && metric.send(:relation).respond_to?(:connection)
allow(metric.send(:relation).connection).to receive(:transaction_open?).and_return(false)
end
end
it 'has correct generate query' do
expect(metric.instrumentation).to eq(expected_query)
end
end
RSpec.shared_examples 'a correct instrumented database query execution value' do |params|
let(:time_frame) { params[:time_frame] }
let(:options) { params[:options] }
let(:metric) { described_class.new(time_frame: time_frame, options: options) }
around do |example|
freeze_time { example.run }
end
before do
allow(metric.relation).to receive(:transaction_open?).and_return(false)
end
it 'returns correct value' do
query_result = metric.relation.connection.execute(metric.instrumentation).to_a.first.each_value.first
expect(query_result).to eq(expected_value)
end
end
RSpec.shared_examples 'a correct instrumented metric value and query' do |params|
it_behaves_like 'a correct instrumented metric value', params
it_behaves_like 'a correct instrumented metric query', params
end
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