diff options
Diffstat (limited to 'spec/lib/prometheus/cleanup_multiproc_dir_service_spec.rb')
-rw-r--r-- | spec/lib/prometheus/cleanup_multiproc_dir_service_spec.rb | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/spec/lib/prometheus/cleanup_multiproc_dir_service_spec.rb b/spec/lib/prometheus/cleanup_multiproc_dir_service_spec.rb new file mode 100644 index 00000000000..c7302a1a656 --- /dev/null +++ b/spec/lib/prometheus/cleanup_multiproc_dir_service_spec.rb @@ -0,0 +1,51 @@ +# frozen_string_literal: true + +require 'spec_helper' + +describe Prometheus::CleanupMultiprocDirService do + describe '.call' do + subject { described_class.new.execute } + + let(:metrics_multiproc_dir) { Dir.mktmpdir } + let(:metrics_file_path) { File.join(metrics_multiproc_dir, 'counter_puma_master-0.db') } + + before do + FileUtils.touch(metrics_file_path) + end + + after do + FileUtils.rm_r(metrics_multiproc_dir) + end + + context 'when `multiprocess_files_dir` is defined' do + before do + expect(Prometheus::Client.configuration) + .to receive(:multiprocess_files_dir) + .and_return(metrics_multiproc_dir) + .at_least(:once) + end + + it 'removes old metrics' do + expect { subject } + .to change { File.exist?(metrics_file_path) } + .from(true) + .to(false) + end + end + + context 'when `multiprocess_files_dir` is not defined' do + before do + expect(Prometheus::Client.configuration) + .to receive(:multiprocess_files_dir) + .and_return(nil) + .at_least(:once) + end + + it 'does not remove any files' do + expect { subject } + .not_to change { File.exist?(metrics_file_path) } + .from(true) + end + end + end +end |