111 lines
3.2 KiB
JavaScript
111 lines
3.2 KiB
JavaScript
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var logfmt = require('../logfmt'),
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assert = require('assert');
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var logfmt = new logfmt();
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var OutStream = require('./outstream');
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suite('logfmt.time', function() {
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setup(function(){
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logfmt.stream = new OutStream;
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})
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test("logs the time as elapsed", function(){
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var logger = logfmt.time();
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logger.log();
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var actual = logfmt.stream.logline;
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assert(/^elapsed=\dms\n$/.test(actual), actual)
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})
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test("logs the time with your label", function(){
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var logger = logfmt.time('time');
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logger.log();
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var actual = logfmt.stream.logline;
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assert(/^time=\dms\n$/.test(actual), actual)
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})
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test("logs the time with your data", function(){
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var logger = logfmt.time('time1').namespace({foo: 'bar'});
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logger.log({foo: 'bar'});
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var actual = logfmt.stream.logline;
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assert(/^foo=bar time1=\d+ms\n$/.test(actual), actual)
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})
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test("logs the time with your label and your data", function(){
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var logger = logfmt.time('time').namespace({foo: 'bar'})
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logger.log();
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var actual = logfmt.stream.logline;
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assert(/^foo=bar time=\dms\n$/.test(actual), actual)
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})
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//now we're using setTimeout to ensure the elapsed
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//time reflects a known delay
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test("accurancy in milliseconds", function(done){
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var logger = logfmt.time();
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var wrapped = function() {
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logger.log();
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var actual = logfmt.stream.logline;
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assert(/^elapsed=2\dms\n$/.test(actual), actual)
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done();
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}
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setTimeout(wrapped, 20);
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})
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test("supports log(data, stream) interface", function(){
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var mock_sink = new OutStream;
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var logger = logfmt.time()
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logger.log({foo: 'bar'}, mock_sink);
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var actual = mock_sink.logline;
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assert(/^foo=bar elapsed=\d+ms\n$/.test(actual), actual)
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})
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test('returns a logfmt', function(){
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var logger1 = logfmt.time();
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for(var prop in logfmt){
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assert(logger1[prop]);
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}
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})
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test('can nest multiple timers', function(){
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var logger = logfmt.time('foo');
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var logger2 = logger.time('foo2');
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var logger3 = logger2.time('foo3');
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var mock_sink = new OutStream;
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logger2.log({}, mock_sink);
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var recovered = logfmt.parse(mock_sink.logline);
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console.log(recovered);
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assert(/^\d+ms/.test(recovered.foo));
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assert(/^\d+ms/.test(recovered.foo2));
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assert(recovered.foo3 === undefined);
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var mock_sink2 = new OutStream;
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logger3.log({}, mock_sink2);
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var recovered = logfmt.parse(mock_sink2.logline);
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console.log(recovered);
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assert(/^\d+ms/.test(recovered.foo));
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assert(/^\d+ms/.test(recovered.foo2));
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assert(/^\d+ms/.test(recovered.foo3));
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})
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// tests you can pass the logger into a closure
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// and call `log` multiple times.
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// uses setTimeout to ensure the timing happens in 20ms
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test("can log twice", function(done){
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var mock_sink = new OutStream;
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var logger = logfmt.time()
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logger.log({foo: 'bar'}, mock_sink);
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var actual = mock_sink.logline;
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assert(/^foo=bar elapsed=\d+ms\n$/.test(actual), actual)
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var wrapped = function() {
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logger.log({bar: 'foo'}, mock_sink);
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var actual = mock_sink.logline;
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assert(/^bar=foo elapsed=2\d+ms\n$/.test(actual), actual)
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done();
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}
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setTimeout(wrapped, 20);
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})
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})
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