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# frozen_string_literal: true
require 'spec_helper'
describe ActiveRecord::QueryRecorder do
class TestQueries < ActiveRecord::Base
self.table_name = 'schema_migrations'
end
describe 'detecting the right number of calls and their origin' do
it 'detects two separate queries' do
control = ActiveRecord::QueryRecorder.new query_recorder_debug: true do
2.times { TestQueries.count }
TestQueries.first
end
# Check #find_query
expect(control.find_query(/.*/, 0).size)
.to eq(control.data.keys.size)
# Ensure exactly 2 COUNT queries were detected
expect(control.occurrences_by_line_method.last[1][:occurrences]
.find_all {|i| i.match(/SELECT COUNT/) }.count).to eq(2)
# Ensure exactly 1 LIMIT 1 (#first)
expect(control.occurrences_by_line_method.first[1][:occurrences]
.find_all { |i| i.match(/ORDER BY.*#{TestQueries.table_name}.*LIMIT 1/) }.count).to eq(1)
# Ensure 3 DB calls overall were executed
expect(control.log.size).to eq(3)
# Ensure memoization value match the raw value above
expect(control.count).to eq(control.log.size)
# Ensure we have only two sources of queries
expect(control.data.keys.size).to eq(1)
end
end
end
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