104 lines
3.1 KiB
JavaScript
104 lines
3.1 KiB
JavaScript
var util = require('../lib/test-utils.js');
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var expect = require('chai').expect;
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describe('fs.writeFile, fs.readFile', function() {
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beforeEach(util.setup);
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afterEach(util.cleanup);
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it('should be a function', function() {
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var fs = util.fs();
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expect(fs.writeFile).to.be.a('function');
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expect(fs.readFile).to.be.a('function');
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});
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it('should error when path is wrong to readFile', function(done) {
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var fs = util.fs();
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var contents = "This is a file.";
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fs.readFile('/no-such-file', 'utf8', function(error, data) {
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expect(error).to.exist;
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expect(error.code).to.equal("ENOENT");
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expect(data).not.to.exist;
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done();
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});
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});
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it('should write, read a utf8 file without specifying utf8 in writeFile', function(done) {
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var fs = util.fs();
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var contents = "This is a file.";
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fs.writeFile('/myfile', contents, function(error) {
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if(error) throw error;
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fs.readFile('/myfile', 'utf8', function(error, data) {
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expect(error).not.to.exist;
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expect(data).to.equal(contents);
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done();
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});
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});
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});
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it('should write, read a utf8 file with "utf8" option to writeFile', function(done) {
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var fs = util.fs();
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var contents = "This is a file.";
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fs.writeFile('/myfile', contents, 'utf8', function(error) {
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if(error) throw error;
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fs.readFile('/myfile', 'utf8', function(error, data) {
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expect(error).not.to.exist;
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expect(data).to.equal(contents);
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done();
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});
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});
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});
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it('should write, read a utf8 file with {encoding: "utf8"} option to writeFile', function(done) {
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var fs = util.fs();
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var contents = "This is a file.";
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fs.writeFile('/myfile', contents, { encoding: 'utf8' }, function(error) {
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if(error) throw error;
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fs.readFile('/myfile', 'utf8', function(error, data) {
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expect(error).not.to.exist;
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expect(data).to.equal(contents);
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done();
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});
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});
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});
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it('should write, read a binary file', function(done) {
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var fs = util.fs();
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// String and utf8 binary encoded versions of the same thing:
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var contents = "This is a file.";
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var binary = new Buffer([84, 104, 105, 115, 32, 105, 115, 32, 97, 32, 102, 105, 108, 101, 46]);
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fs.writeFile('/myfile', binary, function(error) {
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if(error) throw error;
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fs.readFile('/myfile', function(error, data) {
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expect(error).not.to.exist;
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expect(data).to.deep.equal(binary);
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done();
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});
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});
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});
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it('should follow symbolic links', function(done) {
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var fs = util.fs();
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var contents = "This is a file.";
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fs.writeFile('/myfile', '', { encoding: 'utf8' }, function(error) {
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if(error) throw error;
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fs.symlink('/myfile', '/myFileLink', function (error) {
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if (error) throw error;
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fs.writeFile('/myFileLink', contents, 'utf8', function (error) {
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if (error) throw error;
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fs.readFile('/myFileLink', 'utf8', function(error, data) {
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expect(error).not.to.exist;
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expect(data).to.equal(contents);
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done();
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});
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});
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});
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});
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});
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});
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