123 lines
4.6 KiB
JavaScript
123 lines
4.6 KiB
JavaScript
var vows = require('vows')
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, assert = require('assert')
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, streams = require('stream')
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, fs = require('fs')
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, DateRollingFileStream = require('../../lib/streams').DateRollingFileStream
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, testTime = new Date(2012, 8, 12, 10, 37, 11);
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function cleanUp(filename) {
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return function() {
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fs.unlink(filename);
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};
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}
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function now() {
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return testTime.getTime();
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}
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vows.describe('DateRollingFileStream').addBatch({
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'arguments': {
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topic: new DateRollingFileStream(__dirname + '/test-date-rolling-file-stream-1', 'yyyy-mm-dd.hh'),
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teardown: cleanUp(__dirname + '/test-date-rolling-file-stream-1'),
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'should take a filename and a pattern and return a WritableStream': function(stream) {
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assert.equal(stream.filename, __dirname + '/test-date-rolling-file-stream-1');
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assert.equal(stream.pattern, 'yyyy-mm-dd.hh');
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assert.instanceOf(stream, streams.Writable);
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},
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'with default settings for the underlying stream': function(stream) {
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assert.equal(stream.theStream.mode, 420);
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assert.equal(stream.theStream.flags, 'a');
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//encoding is not available on the underlying stream
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//assert.equal(stream.encoding, 'utf8');
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}
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},
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'default arguments': {
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topic: new DateRollingFileStream(__dirname + '/test-date-rolling-file-stream-2'),
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teardown: cleanUp(__dirname + '/test-date-rolling-file-stream-2'),
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'pattern should be .yyyy-MM-dd': function(stream) {
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assert.equal(stream.pattern, '.yyyy-MM-dd');
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}
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},
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'with stream arguments': {
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topic: new DateRollingFileStream(__dirname + '/test-date-rolling-file-stream-3', 'yyyy-MM-dd', { mode: 0666 }),
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teardown: cleanUp(__dirname + '/test-date-rolling-file-stream-3'),
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'should pass them to the underlying stream': function(stream) {
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assert.equal(stream.theStream.mode, 0666);
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}
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},
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'with stream arguments but no pattern': {
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topic: new DateRollingFileStream(__dirname + '/test-date-rolling-file-stream-4', { mode: 0666 }),
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teardown: cleanUp(__dirname + '/test-date-rolling-file-stream-4'),
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'should pass them to the underlying stream': function(stream) {
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assert.equal(stream.theStream.mode, 0666);
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},
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'should use default pattern': function(stream) {
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assert.equal(stream.pattern, '.yyyy-MM-dd');
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}
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},
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'with a pattern of .yyyy-MM-dd': {
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topic: function() {
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var that = this,
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stream = new DateRollingFileStream(__dirname + '/test-date-rolling-file-stream-5', '.yyyy-MM-dd', null, now);
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stream.write("First message\n", 'utf8', function() {
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that.callback(null, stream);
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});
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},
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teardown: cleanUp(__dirname + '/test-date-rolling-file-stream-5'),
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'should create a file with the base name': {
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topic: function(stream) {
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fs.readFile(__dirname + '/test-date-rolling-file-stream-5', this.callback);
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},
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'file should contain first message': function(result) {
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assert.equal(result.toString(), "First message\n");
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}
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},
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'when the day changes': {
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topic: function(stream) {
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testTime = new Date(2012, 8, 13, 0, 10, 12);
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stream.write("Second message\n", 'utf8', this.callback);
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},
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teardown: cleanUp(__dirname + '/test-date-rolling-file-stream-5.2012-09-12'),
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'the number of files': {
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topic: function() {
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fs.readdir(__dirname, this.callback);
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},
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'should be two': function(files) {
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assert.equal(files.filter(function(file) { return file.indexOf('test-date-rolling-file-stream-5') > -1; }).length, 2);
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}
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},
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'the file without a date': {
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topic: function() {
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fs.readFile(__dirname + '/test-date-rolling-file-stream-5', this.callback);
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},
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'should contain the second message': function(contents) {
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assert.equal(contents.toString(), "Second message\n");
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}
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},
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'the file with the date': {
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topic: function() {
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fs.readFile(__dirname + '/test-date-rolling-file-stream-5.2012-09-12', this.callback);
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},
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'should contain the first message': function(contents) {
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assert.equal(contents.toString(), "First message\n");
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}
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}
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}
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}
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}).exportTo(module);
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