116 lines
2.8 KiB
Ruby
116 lines
2.8 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe Gitlab::Sherlock::Query do
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let(:started_at) { Time.utc(2015, 1, 1) }
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let(:finished_at) { started_at + 5 }
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let(:query) do
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described_class.new('SELECT COUNT(*) FROM users', started_at, finished_at)
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end
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describe 'new_with_bindings' do
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it 'returns a Query' do
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sql = 'SELECT COUNT(*) FROM users WHERE id = $1'
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bindings = [[double(:column), 10]]
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query = described_class
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.new_with_bindings(sql, bindings, started_at, finished_at)
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expect(query.query).to eq('SELECT COUNT(*) FROM users WHERE id = 10;')
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end
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end
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describe '#id' do
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it 'returns a String' do
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expect(query.id).to be_an_instance_of(String)
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end
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end
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describe '#query' do
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it 'returns the query with a trailing semi-colon' do
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expect(query.query).to eq('SELECT COUNT(*) FROM users;')
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end
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end
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describe '#started_at' do
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it 'returns the start time' do
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expect(query.started_at).to eq(started_at)
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end
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end
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describe '#finished_at' do
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it 'returns the completion time' do
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expect(query.finished_at).to eq(finished_at)
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end
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end
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describe '#backtrace' do
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it 'returns the backtrace' do
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expect(query.backtrace).to be_an_instance_of(Array)
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end
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end
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describe '#duration' do
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it 'returns the duration in milliseconds' do
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expect(query.duration).to be_within(0.1).of(5000.0)
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end
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end
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describe '#to_param' do
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it 'returns the query ID' do
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expect(query.to_param).to eq(query.id)
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end
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end
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describe '#formatted_query' do
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it 'returns a formatted version of the query' do
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expect(query.formatted_query).to eq(<<-EOF.strip)
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SELECT COUNT(*)
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FROM users;
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EOF
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end
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end
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describe '#last_application_frame' do
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it 'returns the last application frame' do
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frame = query.last_application_frame
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expect(frame).to be_an_instance_of(Gitlab::Sherlock::Location)
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expect(frame.path).to eq(__FILE__)
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end
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end
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describe '#application_backtrace' do
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it 'returns an Array of application frames' do
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frames = query.application_backtrace
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expect(frames).to be_an_instance_of(Array)
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expect(frames).not_to be_empty
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frames.each do |frame|
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expect(frame.path).to start_with(Rails.root.to_s)
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end
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end
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end
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describe '#explain' do
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it 'returns the query plan as a String' do
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lines = [
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['Aggregate (cost=123 rows=1)'],
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[' -> Index Only Scan using index_cats_are_amazing']
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]
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result = double(:result, values: lines)
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allow(query).to receive(:raw_explain).and_return(result)
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expect(query.explain).to eq(<<-EOF.strip)
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Aggregate (cost=123 rows=1)
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-> Index Only Scan using index_cats_are_amazing
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EOF
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end
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end
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end
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