318 lines
8.3 KiB
Ruby
318 lines
8.3 KiB
Ruby
require 'spec_helper'
|
|
|
|
describe Gitlab::Metrics do
|
|
describe '.settings' do
|
|
it 'returns a Hash' do
|
|
expect(described_class.settings).to be_an_instance_of(Hash)
|
|
end
|
|
end
|
|
|
|
describe '.enabled?' do
|
|
it 'returns a boolean' do
|
|
expect(described_class.enabled?).to be_in([true, false])
|
|
end
|
|
end
|
|
|
|
describe '.prometheus_metrics_enabled?' do
|
|
it 'returns a boolean' do
|
|
expect(described_class.prometheus_metrics_enabled?).to be_in([true, false])
|
|
end
|
|
end
|
|
|
|
describe '.influx_metrics_enabled?' do
|
|
it 'returns a boolean' do
|
|
expect(described_class.influx_metrics_enabled?).to be_in([true, false])
|
|
end
|
|
end
|
|
|
|
describe '.submit_metrics' do
|
|
it 'prepares and writes the metrics to InfluxDB' do
|
|
connection = double(:connection)
|
|
pool = double(:pool)
|
|
|
|
expect(pool).to receive(:with).and_yield(connection)
|
|
expect(connection).to receive(:write_points).with(an_instance_of(Array))
|
|
expect(described_class).to receive(:pool).and_return(pool)
|
|
|
|
described_class.submit_metrics([{ 'series' => 'kittens', 'tags' => {} }])
|
|
end
|
|
end
|
|
|
|
describe '.prepare_metrics' do
|
|
it 'returns a Hash with the keys as Symbols' do
|
|
metrics = described_class.
|
|
prepare_metrics([{ 'values' => {}, 'tags' => {} }])
|
|
|
|
expect(metrics).to eq([{ values: {}, tags: {} }])
|
|
end
|
|
|
|
it 'escapes tag values' do
|
|
metrics = described_class.prepare_metrics([
|
|
{ 'values' => {}, 'tags' => { 'foo' => 'bar=' } }
|
|
])
|
|
|
|
expect(metrics).to eq([{ values: {}, tags: { 'foo' => 'bar\\=' } }])
|
|
end
|
|
|
|
it 'drops empty tags' do
|
|
metrics = described_class.prepare_metrics([
|
|
{ 'values' => {}, 'tags' => { 'cats' => '', 'dogs' => nil } }
|
|
])
|
|
|
|
expect(metrics).to eq([{ values: {}, tags: {} }])
|
|
end
|
|
end
|
|
|
|
describe '.escape_value' do
|
|
it 'escapes an equals sign' do
|
|
expect(described_class.escape_value('foo=')).to eq('foo\\=')
|
|
end
|
|
|
|
it 'casts values to Strings' do
|
|
expect(described_class.escape_value(10)).to eq('10')
|
|
end
|
|
end
|
|
|
|
describe '.measure' do
|
|
context 'without a transaction' do
|
|
it 'returns the return value of the block' do
|
|
val = described_class.measure(:foo) { 10 }
|
|
|
|
expect(val).to eq(10)
|
|
end
|
|
end
|
|
|
|
context 'with a transaction' do
|
|
let(:transaction) { Gitlab::Metrics::Transaction.new }
|
|
|
|
before do
|
|
allow(described_class).to receive(:current_transaction).
|
|
and_return(transaction)
|
|
end
|
|
|
|
it 'adds a metric to the current transaction' do
|
|
expect(transaction).to receive(:increment).
|
|
with('foo_real_time', a_kind_of(Numeric))
|
|
|
|
expect(transaction).to receive(:increment).
|
|
with('foo_cpu_time', a_kind_of(Numeric))
|
|
|
|
expect(transaction).to receive(:increment).
|
|
with('foo_call_count', 1)
|
|
|
|
described_class.measure(:foo) { 10 }
|
|
end
|
|
|
|
it 'returns the return value of the block' do
|
|
val = described_class.measure(:foo) { 10 }
|
|
|
|
expect(val).to eq(10)
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '.tag_transaction' do
|
|
context 'without a transaction' do
|
|
it 'does nothing' do
|
|
expect_any_instance_of(Gitlab::Metrics::Transaction).
|
|
not_to receive(:add_tag)
|
|
|
|
described_class.tag_transaction(:foo, 'bar')
|
|
end
|
|
end
|
|
|
|
context 'with a transaction' do
|
|
let(:transaction) { Gitlab::Metrics::Transaction.new }
|
|
|
|
it 'adds the tag to the transaction' do
|
|
expect(described_class).to receive(:current_transaction).
|
|
and_return(transaction)
|
|
|
|
expect(transaction).to receive(:add_tag).
|
|
with(:foo, 'bar')
|
|
|
|
described_class.tag_transaction(:foo, 'bar')
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '.action=' do
|
|
context 'without a transaction' do
|
|
it 'does nothing' do
|
|
expect_any_instance_of(Gitlab::Metrics::Transaction).
|
|
not_to receive(:action=)
|
|
|
|
described_class.action = 'foo'
|
|
end
|
|
end
|
|
|
|
context 'with a transaction' do
|
|
it 'sets the action of a transaction' do
|
|
trans = Gitlab::Metrics::Transaction.new
|
|
|
|
expect(described_class).to receive(:current_transaction).
|
|
and_return(trans)
|
|
|
|
expect(trans).to receive(:action=).with('foo')
|
|
|
|
described_class.action = 'foo'
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#series_prefix' do
|
|
it 'returns a String' do
|
|
expect(described_class.series_prefix).to be_an_instance_of(String)
|
|
end
|
|
end
|
|
|
|
describe '.add_event' do
|
|
context 'without a transaction' do
|
|
it 'does nothing' do
|
|
expect_any_instance_of(Gitlab::Metrics::Transaction).
|
|
not_to receive(:add_event)
|
|
|
|
described_class.add_event(:meow)
|
|
end
|
|
end
|
|
|
|
context 'with a transaction' do
|
|
it 'adds an event' do
|
|
transaction = Gitlab::Metrics::Transaction.new
|
|
|
|
expect(transaction).to receive(:add_event).with(:meow)
|
|
|
|
expect(described_class).to receive(:current_transaction).
|
|
and_return(transaction)
|
|
|
|
described_class.add_event(:meow)
|
|
end
|
|
end
|
|
end
|
|
|
|
shared_examples 'prometheus metrics API' do
|
|
describe '#counter' do
|
|
subject { described_class.counter(:couter, 'doc') }
|
|
|
|
describe '#increment' do
|
|
it 'successfully calls #increment without arguments' do
|
|
expect { subject.increment }.not_to raise_exception
|
|
end
|
|
|
|
it 'successfully calls #increment with 1 argument' do
|
|
expect { subject.increment({}) }.not_to raise_exception
|
|
end
|
|
|
|
it 'successfully calls #increment with 2 arguments' do
|
|
expect { subject.increment({}, 1) }.not_to raise_exception
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#summary' do
|
|
subject { described_class.summary(:summary, 'doc') }
|
|
|
|
describe '#observe' do
|
|
it 'successfully calls #observe with 2 arguments' do
|
|
expect { subject.observe({}, 2) }.not_to raise_exception
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#gauge' do
|
|
subject { described_class.gauge(:gauge, 'doc') }
|
|
|
|
describe '#set' do
|
|
it 'successfully calls #set with 2 arguments' do
|
|
expect { subject.set({}, 1) }.not_to raise_exception
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#histogram' do
|
|
subject { described_class.histogram(:histogram, 'doc') }
|
|
|
|
describe '#observe' do
|
|
it 'successfully calls #observe with 2 arguments' do
|
|
expect { subject.observe({}, 2) }.not_to raise_exception
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
context 'prometheus metrics disabled' do
|
|
before do
|
|
allow(described_class).to receive(:prometheus_metrics_enabled?).and_return(false)
|
|
end
|
|
|
|
it_behaves_like 'prometheus metrics API'
|
|
|
|
describe '#dummy_metric' do
|
|
subject { described_class.provide_metric(:test) }
|
|
|
|
it { is_expected.to be_a(Gitlab::Metrics::DummyMetric) }
|
|
end
|
|
|
|
describe '#counter' do
|
|
subject { described_class.counter(:counter, 'doc') }
|
|
|
|
it { is_expected.to be_a(Gitlab::Metrics::DummyMetric) }
|
|
end
|
|
|
|
describe '#summary' do
|
|
subject { described_class.summary(:summary, 'doc') }
|
|
|
|
it { is_expected.to be_a(Gitlab::Metrics::DummyMetric) }
|
|
end
|
|
|
|
describe '#gauge' do
|
|
subject { described_class.gauge(:gauge, 'doc') }
|
|
|
|
it { is_expected.to be_a(Gitlab::Metrics::DummyMetric) }
|
|
end
|
|
|
|
describe '#histogram' do
|
|
subject { described_class.histogram(:histogram, 'doc') }
|
|
|
|
it { is_expected.to be_a(Gitlab::Metrics::DummyMetric) }
|
|
end
|
|
end
|
|
|
|
context 'prometheus metrics enabled' do
|
|
before do
|
|
allow(described_class).to receive(:prometheus_metrics_enabled?).and_return(true)
|
|
end
|
|
|
|
it_behaves_like 'prometheus metrics API'
|
|
|
|
describe '#dummy_metric' do
|
|
subject { described_class.provide_metric(:test) }
|
|
|
|
it { is_expected.to be_nil }
|
|
end
|
|
|
|
describe '#counter' do
|
|
subject { described_class.counter(:name, 'doc') }
|
|
|
|
it { is_expected.not_to be_a(Gitlab::Metrics::DummyMetric) }
|
|
end
|
|
|
|
describe '#summary' do
|
|
subject { described_class.summary(:name, 'doc') }
|
|
|
|
it { is_expected.not_to be_a(Gitlab::Metrics::DummyMetric) }
|
|
end
|
|
|
|
describe '#gauge' do
|
|
subject { described_class.gauge(:name, 'doc') }
|
|
|
|
it { is_expected.not_to be_a(Gitlab::Metrics::DummyMetric) }
|
|
end
|
|
|
|
describe '#histogram' do
|
|
subject { described_class.histogram(:name, 'doc') }
|
|
|
|
it { is_expected.not_to be_a(Gitlab::Metrics::DummyMetric) }
|
|
end
|
|
end
|
|
end
|