58 lines
1.8 KiB
Ruby
58 lines
1.8 KiB
Ruby
# frozen_string_literal: true
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require "fast_spec_helper"
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require "support/graphql/fake_tracer"
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require "support/graphql/fake_query_type"
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RSpec.describe Gitlab::Graphql::Tracers::TimerTracer do
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let(:expected_duration) { 5 }
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let(:tracer_spy) { spy('tracer_spy') }
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let(:dummy_schema) do
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schema = Class.new(GraphQL::Schema) do
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use Gitlab::Graphql::Tracers::TimerTracer
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query Graphql::FakeQueryType
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end
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schema.tracer(Graphql::FakeTracer.new(lambda { |*args| tracer_spy.trace(*args) }))
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schema
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end
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before do
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current_time = 0
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allow(tracer_spy).to receive(:trace)
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allow(Gitlab::Metrics::System).to receive(:monotonic_time) do
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current_time += expected_duration
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end
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end
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it "adds duration_s to the trace metadata", :aggregate_failures do
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query_string = "query fooOperation { helloWorld }"
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dummy_schema.execute(query_string)
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expect_to_have_traced(tracer_spy, expected_duration, query_string)
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end
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it "adds a duration_s even if the query failed" do
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query_string = "query fooOperation { breakingField }"
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expect { dummy_schema.execute(query_string) }.to raise_error(/This field is supposed to break/)
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expect_to_have_traced(tracer_spy, expected_duration, query_string)
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end
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def expect_to_have_traced(tracer_spy, expected_duration, query_string)
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# "parse" and "execute_query" are just arbitrary trace events
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expect(tracer_spy).to have_received(:trace).with("parse", {
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duration_s: expected_duration,
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query_string: query_string
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})
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expect(tracer_spy).to have_received(:trace).with("execute_query", {
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# greater than expected duration because other calls made to `.monotonic_time` are outside our control
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duration_s: be >= expected_duration,
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query: instance_of(GraphQL::Query)
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})
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end
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end
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