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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::JsonLogger do
subject { described_class.new('/dev/null') }
let(:now) { Time.now }
describe '#file_name' do
let(:subclass) do
Class.new(Gitlab::JsonLogger) do
def self.file_name_noext
'testlogger'
end
end
end
it 'raises error when file_name_noext not implemented' do
expect { described_class.file_name }.to raise_error(
'JsonLogger implementations must provide file_name_noext implementation'
)
end
it 'returns log file name when file_name_noext is implemented' do
expect(subclass.file_name).to eq('testlogger.log')
end
end
describe '#format_message' do
before do
allow(Labkit::Correlation::CorrelationId).to receive(:current_id).and_return('new-correlation-id')
end
it 'formats strings' do
output = subject.format_message('INFO', now, 'test', 'Hello world')
data = Gitlab::Json.parse(output)
expect(data['severity']).to eq('INFO')
expect(data['time']).to eq(now.utc.iso8601(3))
expect(data['message']).to eq('Hello world')
expect(data['correlation_id']).to eq('new-correlation-id')
end
it 'formats hashes' do
output = subject.format_message('INFO', now, 'test', { hello: 1 })
data = Gitlab::Json.parse(output)
expect(data['severity']).to eq('INFO')
expect(data['time']).to eq(now.utc.iso8601(3))
expect(data['hello']).to eq(1)
expect(data['message']).to be_nil
expect(data['correlation_id']).to eq('new-correlation-id')
end
end
end
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