debian-mirror-gitlab/spec/lib/gitlab/usage/metrics/query_spec.rb
2022-07-23 20:15:48 +02:00

89 lines
3.4 KiB
Ruby

# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::Usage::Metrics::Query do
describe '.count' do
it 'returns the raw SQL' do
expect(described_class.for(:count, User)).to eq('SELECT COUNT("users"."id") FROM "users"')
end
it 'does not mix a nil column with keyword arguments' do
expect(described_class.for(:count, User, nil)).to eq('SELECT COUNT("users"."id") FROM "users"')
end
it 'removes order from passed relation' do
expect(described_class.for(:count, User.order(:email), nil)).to eq('SELECT COUNT("users"."id") FROM "users"')
end
it 'returns valid raw SQL for join relations' do
expect(described_class.for(:count, User.joins(:issues), :email)).to eq(
'SELECT COUNT("users"."email") FROM "users" INNER JOIN "issues" ON "issues"."author_id" = "users"."id"'
)
end
it 'returns valid raw SQL for join relations with joined columns' do
expect(described_class.for(:count, User.joins(:issues), 'issue.weight')).to eq(
'SELECT COUNT("issue"."weight") FROM "users" INNER JOIN "issues" ON "issues"."author_id" = "users"."id"'
)
end
end
describe '.distinct_count' do
it 'returns the raw SQL' do
expect(described_class.for(:distinct_count, Issue, :author_id)).to eq('SELECT COUNT(DISTINCT "issues"."author_id") FROM "issues"')
end
it 'does not mix a nil column with keyword arguments' do
expect(described_class.for(:distinct_count, Issue, nil)).to eq('SELECT COUNT(DISTINCT "issues"."id") FROM "issues"')
end
it 'removes order from passed relation' do
expect(described_class.for(:distinct_count, User.order(:email), nil)).to eq('SELECT COUNT(DISTINCT "users"."id") FROM "users"')
end
it 'returns valid raw SQL for join relations' do
expect(described_class.for(:distinct_count, User.joins(:issues), :email)).to eq(
'SELECT COUNT(DISTINCT "users"."email") FROM "users" INNER JOIN "issues" ON "issues"."author_id" = "users"."id"'
)
end
it 'returns valid raw SQL for join relations with joined columns' do
expect(described_class.for(:distinct_count, User.joins(:issues), 'issue.weight')).to eq(
'SELECT COUNT(DISTINCT "issue"."weight") FROM "users" INNER JOIN "issues" ON "issues"."author_id" = "users"."id"'
)
end
end
describe '.sum' do
it 'returns the raw SQL' do
expect(described_class.for(:sum, Issue, :weight)).to eq('SELECT SUM("issues"."weight") FROM "issues"')
end
end
describe '.average' do
it 'returns the raw SQL' do
expect(described_class.for(:average, Issue, :weight)).to eq('SELECT AVG("issues"."weight") FROM "issues"')
end
end
describe 'estimate_batch_distinct_count' do
it 'returns the raw SQL' do
expect(described_class.for(:estimate_batch_distinct_count, Issue, :author_id)).to eq('SELECT COUNT(DISTINCT "issues"."author_id") FROM "issues"')
end
end
describe '.histogram' do
it 'returns the histogram sql' do
expect(described_class.for(:histogram, AlertManagement::HttpIntegration.active,
:project_id, buckets: 1..2, bucket_size: 101))
.to match(/^WITH "count_cte" AS #{Gitlab::Database::AsWithMaterialized.materialized_if_supported}/)
end
end
describe 'other' do
it 'raise ArgumentError error' do
expect { described_class.for(:other, nil) }.to raise_error(ArgumentError, 'other operation not supported')
end
end
end