70 lines
1.6 KiB
JavaScript
70 lines
1.6 KiB
JavaScript
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var stream = require('../lib/lazystream');
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var fs = require('fs');
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var tmpDir = 'test/tmp/';
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var readFile = 'test/data.md';
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var writeFile = tmpDir + 'data.md';
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exports.fs = {
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readwrite: function(test) {
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var readfd, writefd;
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var readable = new stream.Readable(function() {
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return fs.createReadStream(readFile)
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.on('open', function(fd) {
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readfd = fd;
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})
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.on('close', function() {
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readfd = undefined;
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step();
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});
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});
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var writable = new stream.Writable(function() {
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return fs.createWriteStream(writeFile)
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.on('open', function(fd) {
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writefd = fd;
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})
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.on('close', function() {
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writefd = undefined;
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step();
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});
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});
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test.expect(3);
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test.equal(readfd, undefined, 'Input file should not be opened until read');
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test.equal(writefd, undefined, 'Output file should not be opened until write');
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if (!fs.existsSync(tmpDir)) {
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fs.mkdirSync(tmpDir);
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}
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if (fs.existsSync(writeFile)) {
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fs.unlinkSync(writeFile);
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}
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readable.on('end', function() { step(); });
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writable.on('end', function() { step(); });
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var steps = 0;
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function step() {
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steps += 1;
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if (steps == 4) {
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var input = fs.readFileSync(readFile);
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var output = fs.readFileSync(writeFile);
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test.ok(input >= output && input <= output, 'Should be equal');
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fs.unlinkSync(writeFile);
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fs.rmdirSync(tmpDir);
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test.done();
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}
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};
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readable.pipe(writable);
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}
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};
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