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# frozen_string_literal: true
require 'spec_helper'
describe Gitlab::Graphql::Tracing do
let(:graphql_duration_seconds_histogram) { double('Gitlab::Metrics::NullMetric') }
it 'updates graphql histogram with expected labels' do
query = 'query { users { id } }'
tracer = described_class.new
allow(tracer)
.to receive(:graphql_duration_seconds)
.and_return(graphql_duration_seconds_histogram)
expect_metric('graphql.lex', 'lex')
expect_metric('graphql.parse', 'parse')
expect_metric('graphql.validate', 'validate')
expect_metric('graphql.analyze', 'analyze_multiplex')
expect_metric('graphql.execute', 'execute_query_lazy')
expect_metric('graphql.execute', 'execute_multiplex')
GitlabSchema.execute(query, context: { tracers: [tracer] })
end
private
def expect_metric(platform_key, key)
expect(graphql_duration_seconds_histogram)
.to receive(:observe)
.with({ platform_key: platform_key, key: key }, be > 0.0)
end
end
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