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nodejs/test/simple/test-path.js

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JavaScript

// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
var common = require('../common');
var assert = require('assert');
var path = require('path');
var isWindows = process.platform === 'win32';
var f = __filename;
assert.equal(path.basename(f), 'test-path.js');
assert.equal(path.basename(f, '.js'), 'test-path');
assert.equal(path.basename(''), '');
assert.equal(path.basename('/dir/basename.ext'), 'basename.ext');
assert.equal(path.basename('/basename.ext'), 'basename.ext');
assert.equal(path.basename('basename.ext'), 'basename.ext');
assert.equal(path.basename('basename.ext/'), 'basename.ext');
assert.equal(path.basename('basename.ext//'), 'basename.ext');
if (isWindows) {
// On Windows a backslash acts as a path separator.
assert.equal(path.basename('\\dir\\basename.ext'), 'basename.ext');
assert.equal(path.basename('\\basename.ext'), 'basename.ext');
assert.equal(path.basename('basename.ext'), 'basename.ext');
assert.equal(path.basename('basename.ext\\'), 'basename.ext');
assert.equal(path.basename('basename.ext\\\\'), 'basename.ext');
} else {
// On unix a backslash is just treated as any other character.
assert.equal(path.basename('\\dir\\basename.ext'), '\\dir\\basename.ext');
assert.equal(path.basename('\\basename.ext'), '\\basename.ext');
assert.equal(path.basename('basename.ext'), 'basename.ext');
assert.equal(path.basename('basename.ext\\'), 'basename.ext\\');
assert.equal(path.basename('basename.ext\\\\'), 'basename.ext\\\\');
}
// POSIX filenames may include control characters
// c.f. http://www.dwheeler.com/essays/fixing-unix-linux-filenames.html
if (!isWindows) {
var controlCharFilename = 'Icon' + String.fromCharCode(13);
assert.equal(path.basename('/a/b/' + controlCharFilename),
controlCharFilename);
}
assert.equal(path.extname(f), '.js');
assert.equal(path.dirname(f).substr(-11),
isWindows ? 'test\\simple' : 'test/simple');
assert.equal(path.dirname('/a/b/'), '/a');
assert.equal(path.dirname('/a/b'), '/a');
assert.equal(path.dirname('/a'), '/');
assert.equal(path.dirname(''), '.');
assert.equal(path.dirname('/'), '/');
assert.equal(path.dirname('////'), '/');
if (isWindows) {
assert.equal(path.dirname('c:\\'), 'c:\\');
assert.equal(path.dirname('c:\\foo'), 'c:\\');
assert.equal(path.dirname('c:\\foo\\'), 'c:\\');
assert.equal(path.dirname('c:\\foo\\bar'), 'c:\\foo');
assert.equal(path.dirname('c:\\foo\\bar\\'), 'c:\\foo');
assert.equal(path.dirname('c:\\foo\\bar\\baz'), 'c:\\foo\\bar');
assert.equal(path.dirname('\\'), '\\');
assert.equal(path.dirname('\\foo'), '\\');
assert.equal(path.dirname('\\foo\\'), '\\');
assert.equal(path.dirname('\\foo\\bar'), '\\foo');
assert.equal(path.dirname('\\foo\\bar\\'), '\\foo');
assert.equal(path.dirname('\\foo\\bar\\baz'), '\\foo\\bar');
assert.equal(path.dirname('c:'), 'c:');
assert.equal(path.dirname('c:foo'), 'c:');
assert.equal(path.dirname('c:foo\\'), 'c:');
assert.equal(path.dirname('c:foo\\bar'), 'c:foo');
assert.equal(path.dirname('c:foo\\bar\\'), 'c:foo');
assert.equal(path.dirname('c:foo\\bar\\baz'), 'c:foo\\bar');
assert.equal(path.dirname('\\\\unc\\share'), '\\\\unc\\share');
assert.equal(path.dirname('\\\\unc\\share\\foo'), '\\\\unc\\share\\');
assert.equal(path.dirname('\\\\unc\\share\\foo\\'), '\\\\unc\\share\\');
assert.equal(path.dirname('\\\\unc\\share\\foo\\bar'),
'\\\\unc\\share\\foo');
assert.equal(path.dirname('\\\\unc\\share\\foo\\bar\\'),
'\\\\unc\\share\\foo');
assert.equal(path.dirname('\\\\unc\\share\\foo\\bar\\baz'),
'\\\\unc\\share\\foo\\bar');
}
assert.equal(path.extname(''), '');
assert.equal(path.extname('/path/to/file'), '');
assert.equal(path.extname('/path/to/file.ext'), '.ext');
assert.equal(path.extname('/path.to/file.ext'), '.ext');
assert.equal(path.extname('/path.to/file'), '');
assert.equal(path.extname('/path.to/.file'), '');
assert.equal(path.extname('/path.to/.file.ext'), '.ext');
assert.equal(path.extname('/path/to/f.ext'), '.ext');
assert.equal(path.extname('/path/to/..ext'), '.ext');
assert.equal(path.extname('file'), '');
assert.equal(path.extname('file.ext'), '.ext');
assert.equal(path.extname('.file'), '');
assert.equal(path.extname('.file.ext'), '.ext');
assert.equal(path.extname('/file'), '');
assert.equal(path.extname('/file.ext'), '.ext');
assert.equal(path.extname('/.file'), '');
assert.equal(path.extname('/.file.ext'), '.ext');
assert.equal(path.extname('.path/file.ext'), '.ext');
assert.equal(path.extname('file.ext.ext'), '.ext');
assert.equal(path.extname('file.'), '.');
assert.equal(path.extname('.'), '');
assert.equal(path.extname('./'), '');
assert.equal(path.extname('.file.ext'), '.ext');
assert.equal(path.extname('.file'), '');
assert.equal(path.extname('.file.'), '.');
assert.equal(path.extname('.file..'), '.');
assert.equal(path.extname('..'), '');
assert.equal(path.extname('../'), '');
assert.equal(path.extname('..file.ext'), '.ext');
assert.equal(path.extname('..file'), '.file');
assert.equal(path.extname('..file.'), '.');
assert.equal(path.extname('..file..'), '.');
assert.equal(path.extname('...'), '.');
assert.equal(path.extname('...ext'), '.ext');
assert.equal(path.extname('....'), '.');
assert.equal(path.extname('file.ext/'), '.ext');
assert.equal(path.extname('file.ext//'), '.ext');
assert.equal(path.extname('file/'), '');
assert.equal(path.extname('file//'), '');
assert.equal(path.extname('file./'), '.');
assert.equal(path.extname('file.//'), '.');
if (isWindows) {
// On windows, backspace is a path separator.
assert.equal(path.extname('.\\'), '');
assert.equal(path.extname('..\\'), '');
assert.equal(path.extname('file.ext\\'), '.ext');
assert.equal(path.extname('file.ext\\\\'), '.ext');
assert.equal(path.extname('file\\'), '');
assert.equal(path.extname('file\\\\'), '');
assert.equal(path.extname('file.\\'), '.');
assert.equal(path.extname('file.\\\\'), '.');
} else {
// On unix, backspace is a valid name component like any other character.
assert.equal(path.extname('.\\'), '');
assert.equal(path.extname('..\\'), '.\\');
assert.equal(path.extname('file.ext\\'), '.ext\\');
assert.equal(path.extname('file.ext\\\\'), '.ext\\\\');
assert.equal(path.extname('file\\'), '');
assert.equal(path.extname('file\\\\'), '');
assert.equal(path.extname('file.\\'), '.\\');
assert.equal(path.extname('file.\\\\'), '.\\\\');
}
// path.join tests
var failures = [];
var joinTests =
// arguments result
[[['.', 'x/b', '..', '/b/c.js'], 'x/b/c.js'],
[['/.', 'x/b', '..', '/b/c.js'], '/x/b/c.js'],
[['/foo', '../../../bar'], '/bar'],
[['foo', '../../../bar'], '../../bar'],
[['foo/', '../../../bar'], '../../bar'],
[['foo/x', '../../../bar'], '../bar'],
[['foo/x', './bar'], 'foo/x/bar'],
[['foo/x/', './bar'], 'foo/x/bar'],
[['foo/x/', '.', 'bar'], 'foo/x/bar'],
[['./'], './'],
[['.', './'], './'],
[['.', '.', '.'], '.'],
[['.', './', '.'], '.'],
[['.', '/./', '.'], '.'],
[['.', '/////./', '.'], '.'],
[['.'], '.'],
[['', '.'], '.'],
[['', 'foo'], 'foo'],
[['foo', '/bar'], 'foo/bar'],
[['', '/foo'], '/foo'],
[['', '', '/foo'], '/foo'],
[['', '', 'foo'], 'foo'],
[['foo', ''], 'foo'],
[['foo/', ''], 'foo/'],
[['foo', '', '/bar'], 'foo/bar'],
[['./', '..', '/foo'], '../foo'],
[['./', '..', '..', '/foo'], '../../foo'],
[['.', '..', '..', '/foo'], '../../foo'],
[['', '..', '..', '/foo'], '../../foo'],
[['/'], '/'],
[['/', '.'], '/'],
[['/', '..'], '/'],
[['/', '..', '..'], '/'],
[[''], '.'],
[['', ''], '.'],
[[' /foo'], ' /foo'],
[[' ', 'foo'], ' /foo'],
[[' ', '.'], ' '],
[[' ', '/'], ' /'],
[[' ', ''], ' '],
[['/', 'foo'], '/foo'],
[['/', '/foo'], '/foo'],
[['/', '//foo'], '/foo'],
[['/', '', '/foo'], '/foo'],
[['', '/', 'foo'], '/foo'],
[['', '/', '/foo'], '/foo']
];
// Windows-specific join tests
if (isWindows) {
joinTests = joinTests.concat(
[// UNC path expected
[['//foo/bar'], '//foo/bar/'],
[['\\/foo/bar'], '//foo/bar/'],
[['\\\\foo/bar'], '//foo/bar/'],
// UNC path expected - server and share separate
[['//foo', 'bar'], '//foo/bar/'],
[['//foo/', 'bar'], '//foo/bar/'],
[['//foo', '/bar'], '//foo/bar/'],
// UNC path expected - questionable
[['//foo', '', 'bar'], '//foo/bar/'],
[['//foo/', '', 'bar'], '//foo/bar/'],
[['//foo/', '', '/bar'], '//foo/bar/'],
// UNC path expected - even more questionable
[['', '//foo', 'bar'], '//foo/bar/'],
[['', '//foo/', 'bar'], '//foo/bar/'],
[['', '//foo/', '/bar'], '//foo/bar/'],
// No UNC path expected (no double slash in first component)
[['\\', 'foo/bar'], '/foo/bar'],
[['\\', '/foo/bar'], '/foo/bar'],
[['', '/', '/foo/bar'], '/foo/bar'],
// No UNC path expected (no non-slashes in first component - questionable)
[['//', 'foo/bar'], '/foo/bar'],
[['//', '/foo/bar'], '/foo/bar'],
[['\\\\', '/', '/foo/bar'], '/foo/bar'],
[['//'], '/'],
// No UNC path expected (share name missing - questionable).
[['//foo'], '/foo'],
[['//foo/'], '/foo/'],
[['//foo', '/'], '/foo/'],
[['//foo', '', '/'], '/foo/'],
// No UNC path expected (too many leading slashes - questionable)
[['///foo/bar'], '/foo/bar'],
[['////foo', 'bar'], '/foo/bar'],
[['\\\\\\/foo/bar'], '/foo/bar'],
// Drive-relative vs drive-absolute paths. This merely describes the
// status quo, rather than being obviously right
[['c:'], 'c:.'],
[['c:.'], 'c:.'],
[['c:', ''], 'c:.'],
[['', 'c:'], 'c:.'],
[['c:.', '/'], 'c:./'],
[['c:.', 'file'], 'c:file'],
[['c:', '/'], 'c:/'],
[['c:', 'file'], 'c:/file']
]);
}
// Run the join tests.
joinTests.forEach(function(test) {
var actual = path.join.apply(path, test[0]);
var expected = isWindows ? test[1].replace(/\//g, '\\') : test[1];
var message = 'path.join(' + test[0].map(JSON.stringify).join(',') + ')' +
'\n expect=' + JSON.stringify(expected) +
'\n actual=' + JSON.stringify(actual);
if (actual !== expected) failures.push('\n' + message);
// assert.equal(actual, expected, message);
});
assert.equal(failures.length, 0, failures.join(''));
var joinThrowTests = [true, false, 7, null, {}, undefined, [], NaN];
joinThrowTests.forEach(function(test) {
assert.throws(function() {
path.join(test);
}, TypeError);
assert.throws(function() {
path.resolve(test);
}, TypeError);
});
// path normalize tests
if (isWindows) {
assert.equal(path.normalize('./fixtures///b/../b/c.js'),
'fixtures\\b\\c.js');
assert.equal(path.normalize('/foo/../../../bar'), '\\bar');
assert.equal(path.normalize('a//b//../b'), 'a\\b');
assert.equal(path.normalize('a//b//./c'), 'a\\b\\c');
assert.equal(path.normalize('a//b//.'), 'a\\b');
assert.equal(path.normalize('//server/share/dir/file.ext'),
'\\\\server\\share\\dir\\file.ext');
} else {
assert.equal(path.normalize('./fixtures///b/../b/c.js'),
'fixtures/b/c.js');
assert.equal(path.normalize('/foo/../../../bar'), '/bar');
assert.equal(path.normalize('a//b//../b'), 'a/b');
assert.equal(path.normalize('a//b//./c'), 'a/b/c');
assert.equal(path.normalize('a//b//.'), 'a/b');
}
// path.resolve tests
if (isWindows) {
// windows
var resolveTests =
// arguments result
[[['c:/blah\\blah', 'd:/games', 'c:../a'], 'c:\\blah\\a'],
[['c:/ignore', 'd:\\a/b\\c/d', '\\e.exe'], 'd:\\e.exe'],
[['c:/ignore', 'c:/some/file'], 'c:\\some\\file'],
[['d:/ignore', 'd:some/dir//'], 'd:\\ignore\\some\\dir'],
[['.'], process.cwd()],
[['//server/share', '..', 'relative\\'], '\\\\server\\share\\relative'],
[['c:/', '//'], 'c:\\'],
[['c:/', '//dir'], 'c:\\dir'],
[['c:/', '//server/share'], '\\\\server\\share\\'],
[['c:/', '//server//share'], '\\\\server\\share\\'],
[['c:/', '///some//dir'], 'c:\\some\\dir']
];
} else {
// Posix
var resolveTests =
// arguments result
[[['/var/lib', '../', 'file/'], '/var/file'],
[['/var/lib', '/../', 'file/'], '/file'],
[['a/b/c/', '../../..'], process.cwd()],
[['.'], process.cwd()],
[['/some/dir', '.', '/absolute/'], '/absolute']];
}
var failures = [];
resolveTests.forEach(function(test) {
var actual = path.resolve.apply(path, test[0]);
var expected = test[1];
var message = 'path.resolve(' + test[0].map(JSON.stringify).join(',') + ')' +
'\n expect=' + JSON.stringify(expected) +
'\n actual=' + JSON.stringify(actual);
if (actual !== expected) failures.push('\n' + message);
// assert.equal(actual, expected, message);
});
assert.equal(failures.length, 0, failures.join(''));
// path.relative tests
if (isWindows) {
// windows
var relativeTests =
// arguments result
[['c:/blah\\blah', 'd:/games', 'd:\\games'],
['c:/aaaa/bbbb', 'c:/aaaa', '..'],
['c:/aaaa/bbbb', 'c:/cccc', '..\\..\\cccc'],
['c:/aaaa/bbbb', 'c:/aaaa/bbbb', ''],
['c:/aaaa/bbbb', 'c:/aaaa/cccc', '..\\cccc'],
['c:/aaaa/', 'c:/aaaa/cccc', 'cccc'],
['c:/', 'c:\\aaaa\\bbbb', 'aaaa\\bbbb'],
['c:/aaaa/bbbb', 'd:\\', 'd:\\']];
} else {
// posix
var relativeTests =
// arguments result
[['/var/lib', '/var', '..'],
['/var/lib', '/bin', '../../bin'],
['/var/lib', '/var/lib', ''],
['/var/lib', '/var/apache', '../apache'],
['/var/', '/var/lib', 'lib'],
['/', '/var/lib', 'var/lib']];
}
var failures = [];
relativeTests.forEach(function(test) {
var actual = path.relative(test[0], test[1]);
var expected = test[2];
var message = 'path.relative(' +
test.slice(0, 2).map(JSON.stringify).join(',') +
')' +
'\n expect=' + JSON.stringify(expected) +
'\n actual=' + JSON.stringify(actual);
if (actual !== expected) failures.push('\n' + message);
});
assert.equal(failures.length, 0, failures.join(''));
// path.sep tests
if (isWindows) {
// windows
assert.equal(path.sep, '\\');
} else {
// posix
assert.equal(path.sep, '/');
}
// path.delimiter tests
if (isWindows) {
// windows
assert.equal(path.delimiter, ';');
} else {
// posix
assert.equal(path.delimiter, ':');
}