diff options
Diffstat (limited to 'node_modules/readdirp/test/readdirp-stream.js')
-rw-r--r-- | node_modules/readdirp/test/readdirp-stream.js | 338 |
1 files changed, 338 insertions, 0 deletions
diff --git a/node_modules/readdirp/test/readdirp-stream.js b/node_modules/readdirp/test/readdirp-stream.js new file mode 100644 index 000000000..c43d132d3 --- /dev/null +++ b/node_modules/readdirp/test/readdirp-stream.js @@ -0,0 +1,338 @@ +/*jshint asi:true */ + +var debug //= true; +var test = debug ? function () {} : require('tap').test +var test_ = !debug ? function () {} : require('tap').test + , path = require('path') + , fs = require('fs') + , util = require('util') + , TransformStream = require('readable-stream').Transform + , through = require('through2') + , proxyquire = require('proxyquire') + , streamapi = require('../stream-api') + , readdirp = require('..') + , root = path.join(__dirname, 'bed') + , totalDirs = 6 + , totalFiles = 12 + , ext1Files = 4 + , ext2Files = 3 + , ext3Files = 2 + ; + +// see test/readdirp.js for test bed layout + +function opts (extend) { + var o = { root: root }; + + if (extend) { + for (var prop in extend) { + o[prop] = extend[prop]; + } + } + return o; +} + +function capture () { + var result = { entries: [], errors: [], ended: false } + , dst = new TransformStream({ objectMode: true }); + + dst._transform = function (entry, _, cb) { + result.entries.push(entry); + cb(); + } + + dst._flush = function (cb) { + result.ended = true; + this.push(result); + cb(); + } + + return dst; +} + +test('\nintegrated', function (t) { + t.test('\n# reading root without filter', function (t) { + t.plan(2); + + readdirp(opts()) + .on('error', function (err) { + t.fail('should not throw error', err); + }) + .pipe(capture()) + .pipe(through.obj( + function (result, _ , cb) { + t.equals(result.entries.length, totalFiles, 'emits all files'); + t.ok(result.ended, 'ends stream'); + t.end(); + cb(); + } + )); + }) + + t.test('\n# normal: ["*.ext1", "*.ext3"]', function (t) { + t.plan(2); + + readdirp(opts( { fileFilter: [ '*.ext1', '*.ext3' ] } )) + .on('error', function (err) { + t.fail('should not throw error', err); + }) + .pipe(capture()) + .pipe(through.obj( + function (result, _ , cb) { + t.equals(result.entries.length, ext1Files + ext3Files, 'all ext1 and ext3 files'); + t.ok(result.ended, 'ends stream'); + t.end(); + cb(); + } + )) + }) + + t.test('\n# files only', function (t) { + t.plan(2); + + readdirp(opts( { entryType: 'files' } )) + .on('error', function (err) { + t.fail('should not throw error', err); + }) + .pipe(capture()) + .pipe(through.obj( + function (result, _ , cb) { + t.equals(result.entries.length, totalFiles, 'returned files'); + t.ok(result.ended, 'ends stream'); + t.end(); + cb(); + } + )) + }) + + t.test('\n# directories only', function (t) { + t.plan(2); + + readdirp(opts( { entryType: 'directories' } )) + .on('error', function (err) { + t.fail('should not throw error', err); + }) + .pipe(capture()) + .pipe(through.obj( + function (result, _ , cb) { + t.equals(result.entries.length, totalDirs, 'returned directories'); + t.ok(result.ended, 'ends stream'); + t.end(); + cb(); + } + )) + }) + + t.test('\n# both directories + files', function (t) { + t.plan(2); + + readdirp(opts( { entryType: 'both' } )) + .on('error', function (err) { + t.fail('should not throw error', err); + }) + .pipe(capture()) + .pipe(through.obj( + function (result, _ , cb) { + t.equals(result.entries.length, totalDirs + totalFiles, 'returned everything'); + t.ok(result.ended, 'ends stream'); + t.end(); + cb(); + } + )) + }) + + t.test('\n# directory filter with directories only', function (t) { + t.plan(2); + + readdirp(opts( { entryType: 'directories', directoryFilter: [ 'root_dir1', '*dir1_subdir1' ] } )) + .on('error', function (err) { + t.fail('should not throw error', err); + }) + .pipe(capture()) + .pipe(through.obj( + function (result, _ , cb) { + t.equals(result.entries.length, 2, 'two directories'); + t.ok(result.ended, 'ends stream'); + t.end(); + cb(); + } + )) + }) + + t.test('\n# directory and file filters with both entries', function (t) { + t.plan(2); + + readdirp(opts( { entryType: 'both', directoryFilter: [ 'root_dir1', '*dir1_subdir1' ], fileFilter: [ '!*.ext1' ] } )) + .on('error', function (err) { + t.fail('should not throw error', err); + }) + .pipe(capture()) + .pipe(through.obj( + function (result, _ , cb) { + t.equals(result.entries.length, 6, '2 directories and 4 files'); + t.ok(result.ended, 'ends stream'); + t.end(); + cb(); + } + )) + }) + + t.test('\n# negated: ["!*.ext1", "!*.ext3"]', function (t) { + t.plan(2); + + readdirp(opts( { fileFilter: [ '!*.ext1', '!*.ext3' ] } )) + .on('error', function (err) { + t.fail('should not throw error', err); + }) + .pipe(capture()) + .pipe(through.obj( + function (result, _ , cb) { + t.equals(result.entries.length, totalFiles - ext1Files - ext3Files, 'all but ext1 and ext3 files'); + t.ok(result.ended, 'ends stream'); + t.end(); + } + )) + }) + + t.test('\n# no options given', function (t) { + t.plan(1); + readdirp() + .on('error', function (err) { + t.similar(err.toString() , /Need to pass at least one argument/ , 'emits meaningful error'); + t.end(); + }) + }) + + t.test('\n# mixed: ["*.ext1", "!*.ext3"]', function (t) { + t.plan(1); + + readdirp(opts( { fileFilter: [ '*.ext1', '!*.ext3' ] } )) + .on('error', function (err) { + t.similar(err.toString() , /Cannot mix negated with non negated glob filters/ , 'emits meaningful error'); + t.end(); + }) + }) +}) + + +test('\napi separately', function (t) { + + t.test('\n# handleError', function (t) { + t.plan(1); + + var api = streamapi() + , warning = new Error('some file caused problems'); + + api.stream + .on('warn', function (err) { + t.equals(err, warning, 'warns with the handled error'); + }) + api.handleError(warning); + }) + + t.test('\n# when stream is paused and then resumed', function (t) { + t.plan(6); + var api = streamapi() + , resumed = false + , fatalError = new Error('fatal!') + , nonfatalError = new Error('nonfatal!') + , processedData = 'some data' + ; + + api.stream + .on('warn', function (err) { + t.equals(err, nonfatalError, 'emits the buffered warning'); + t.ok(resumed, 'emits warning only after it was resumed'); + }) + .on('error', function (err) { + t.equals(err, fatalError, 'emits the buffered fatal error'); + t.ok(resumed, 'emits errors only after it was resumed'); + }) + .on('data', function (data) { + t.equals(data, processedData, 'emits the buffered data'); + t.ok(resumed, 'emits data only after it was resumed'); + }) + .pause() + + api.processEntry(processedData); + api.handleError(nonfatalError); + api.handleFatalError(fatalError); + + setTimeout(function () { + resumed = true; + api.stream.resume(); + }, 1) + }) + + t.test('\n# when a stream is paused it stops walking the fs', function (t) { + var resumed = false, + mockedAPI = streamapi(); + + mockedAPI.processEntry = function (entry) { + if (!resumed) t.notOk(true, 'should not emit while paused') + t.ok(entry, 'emitted while resumed') + }.bind(mockedAPI.stream) + + function wrapper () { + return mockedAPI + } + + var readdirp = proxyquire('../readdirp', {'./stream-api': wrapper}) + , stream = readdirp(opts()) + .on('error', function (err) { + t.fail('should not throw error', err); + }) + .on('end', function () { + t.end() + }) + .pause(); + + setTimeout(function () { + resumed = true; + stream.resume(); + }, 5) + }) + + t.test('\n# when a stream is destroyed, it emits "closed", but no longer emits "data", "warn" and "error"', function (t) { + var api = streamapi() + , fatalError = new Error('fatal!') + , nonfatalError = new Error('nonfatal!') + , processedData = 'some data' + , plan = 0; + + t.plan(6) + var stream = api.stream + .on('warn', function (err) { + t.ok(!stream._destroyed, 'emits warning until destroyed'); + }) + .on('error', function (err) { + t.ok(!stream._destroyed, 'emits errors until destroyed'); + }) + .on('data', function (data) { + t.ok(!stream._destroyed, 'emits data until destroyed'); + }) + .on('close', function () { + t.ok(stream._destroyed, 'emits close when stream is destroyed'); + }) + + + api.processEntry(processedData); + api.handleError(nonfatalError); + api.handleFatalError(fatalError); + + setTimeout(function () { + stream.destroy() + + t.notOk(stream.readable, 'stream is no longer readable after it is destroyed') + + api.processEntry(processedData); + api.handleError(nonfatalError); + api.handleFatalError(fatalError); + + process.nextTick(function () { + t.pass('emits no more data, warn or error events after it was destroyed') + t.end(); + }) + }, 10) + }) +}) |