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Contents
# encoding: utf-8
require "logstash/instrument/namespaced_null_metric"
require "logstash/instrument/null_metric"
require_relative "../../support/matchers"
require "spec_helper"
describe LogStash::Instrument::NamespacedNullMetric do
let(:namespace) { :root }
let(:collector) { [] }
let(:metric) { LogStash::Instrument::NullMetric.new(collector) }
subject { described_class.new(metric, namespace) }
it "defines the same interface as `Metric`" do
expect(described_class).to implement_interface_of(LogStash::Instrument::NamespacedMetric)
end
it "returns a TimedException when we call without a block" do
expect(subject.time(:duration_ms)).to be(LogStash::Instrument::NullMetric::NullTimedExecution)
end
it "returns the value of the block" do
expect(subject.time(:duration_ms) { "hello" }).to eq("hello")
end
it "its doesnt change the original `namespace` when creating a subnamespace" do
new_namespace = subject.namespace(:wally)
expect(subject.namespace_name).to eq([namespace])
expect(new_namespace.namespace_name).to eq([:root, :wally])
end
end
Version data entries
105 entries across 102 versions & 11 rubygems