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job_metrics_collector_test.rb
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job_metrics_collector_test.rb
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# frozen_string_literal: true
require "test_helper"
require "rake_mock"
require "minitest/stub_const"
require "judoscale/job_metrics_collector"
module Judoscale
describe JobMetricsCollector do
describe ".collect?" do
it "returns true when not running in a rake task" do
Object.stub_const :Rake, nil do
_(WebMetricsCollector.collect?(Config.instance)).must_equal true
end
end
it "returns false when running in a rake task" do
Object.stub_const :Rake, RakeMock.new do
_(WebMetricsCollector.collect?(Config.instance)).must_equal false
end
end
it "returns true when running in a whitelisted rake task" do
config = Config.instance
config.allow_rake_tasks << /foo/
Object.stub_const :Rake, RakeMock.new(["bar", "foo"]) do
_(WebMetricsCollector.collect?(config)).must_equal true
end
end
it "collects only from the first container in the formation (if we know that), to avoid redundant collection from multiple containers when possible" do
%w[
web.1
worker.1
custom_name.1
5497f74465-m5wwr
aaacff2165-m5wwr
].each do |container_id|
Judoscale.configure do |config|
config.current_runtime_container = Config::RuntimeContainer.new(container_id)
end
_(Test::TestJobMetricsCollector.collect?(Judoscale::Config.instance)).must_equal true
end
%w[
web.2
worker.8
custom_name.15
].each do |container_id|
Judoscale.configure do |config|
config.current_runtime_container = Config::RuntimeContainer.new(container_id)
end
_(Test::TestJobMetricsCollector.collect?(Judoscale::Config.instance)).must_equal false
end
end
it "skips collecting if the adapter has been explicitly disabled" do
Judoscale.configure { |config|
config.current_runtime_container = Config::RuntimeContainer.new("web.1")
config.test_job_config.enabled = true
}
_(Test::TestJobMetricsCollector.collect?(Judoscale::Config.instance)).must_equal true
Judoscale.configure { |config| config.test_job_config.enabled = false }
_(Test::TestJobMetricsCollector.collect?(Judoscale::Config.instance)).must_equal false
end
end
end
end