filer/tests/spec/fs.rename.spec.js

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var util = require('../lib/test-utils.js');
var expect = require('chai').expect;
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describe('fs.rename', function() {
beforeEach(util.setup);
afterEach(util.cleanup);
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it('should be a function', function() {
var fs = util.fs();
expect(fs.rename).to.be.a('function');
});
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it.skip('should be able to rename an existing file to the same filename', function(done) {
var fs = util.fs();
fs.open('/myfile', 'w+', function(error, fd) {
if(error) throw error;
fs.close(fd, function(error) {
if(error) throw error;
fs.rename('/myfile', '/myfile', function(error) {
expect(error).not.to.exist;
done();
});
});
});
});
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it('should rename an existing file', function(done) {
var complete1 = false;
var complete2 = false;
var fs = util.fs();
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function maybeDone() {
if(complete1 && complete2) {
done();
}
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}
fs.open('/myfile', 'w+', function(error, fd) {
if(error) throw error;
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fs.close(fd, function(error) {
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if(error) throw error;
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fs.rename('/myfile', '/myotherfile', function(error) {
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if(error) throw error;
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fs.stat('/myfile', function(error, result) {
expect(error).to.exist;
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expect(result).not.to.exist;
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complete1 = true;
maybeDone();
});
fs.stat('/myotherfile', function(error, result) {
expect(error).not.to.exist;
expect(result.nlinks).to.equal(1);
complete2 = true;
maybeDone();
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});
});
});
});
});
it('should rename an existing directory', function(done) {
var fs = util.fs();
fs.mkdir('/mydir', function(error) {
if(error) throw error;
fs.rename('/mydir', '/myotherdir', function(error) {
expect(error).not.to.exist;
fs.stat('/mydir', function(error) {
expect(error).to.exist;
expect(error.code).to.equal('ENOENT');
fs.stat('/myotherdir', function(error, result) {
expect(error).not.to.exist;
expect(result.nlinks).to.equal(1);
done();
});
});
});
});
});
it('should rename an existing directory (using promises)', () => {
var fsPromises = util.fs().promises;
return fsPromises.mkdir('/mydir')
.then(() => fsPromises.rename('/mydir', '/myotherdir'))
.then(() => { fsPromises.stat('/mydir')
.catch((error) => {
expect(error).to.exist;
expect(error.code).to.equal('ENOENT');
});
})
.then(() => { fsPromises.stat('/myotherdir')
.then(result => {
expect(result.nlinks).to.equal(1);
});
})
.catch((error) => {
if (error) throw error;
});
});
it('should rename an existing directory if the new path points to an existing directory', function(done) {
var fs = util.fs();
fs.mkdir('/mydir', function(error) {
if(error) throw error;
fs.mkdir('/myotherdir', function(error) {
if(error) throw error;
fs.rename('/mydir', '/myotherdir', function(error) {
expect(error).not.to.exist;
fs.stat('/mydir', function(error) {
expect(error).to.exist;
expect(error.code).to.equal('ENOENT');
fs.stat('/myotherdir', function(error, result) {
expect(error).not.to.exist;
expect(result.nlinks).to.equal(1);
done();
});
});
});
});
});
});
it('should fail to rename an existing directory if the new path points to an existing directory that is not empty', function(done) {
var fs = util.fs();
fs.mkdir('/mydir', function(error) {
if(error) throw error;
fs.mkdir('/myotherdir', function(error) {
if(error) throw error;
fs.writeFile('/myotherdir/myfile', 'This is a file', function(error) {
if(error) throw error;
fs.rename('/mydir', '/myotherdir', function(error) {
expect(error).to.exist;
expect(error.code).to.equal('ENOTEMPTY');
fs.stat('/mydir', function(error) {
expect(error).not.to.exist;
fs.stat('/myotherdir', function(error) {
expect(error).not.to.exist;
done();
});
});
});
});
});
});
});
it('should fail to rename an existing directory if the new path points to an existing file', function(done) {
var fs = util.fs();
fs.mkdir('/mydir', function(error) {
if(error) throw error;
fs.writeFile('/myfile', 'This is a file', function(error) {
if(error) throw error;
fs.rename('/mydir', '/myfile', function(error) {
expect(error).to.exist;
expect(error.code).to.equal('ENOTDIR');
fs.stat('/mydir', function(error) {
expect(error).not.to.exist;
fs.stat('/myfile', function(error) {
expect(error).not.to.exist;
done();
});
});
});
});
});
});
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});