node/test/simple/test-path.js

var common = require('../common');
var assert = require('assert');

var path = require('path');

var f = __filename;

assert.equal(path.basename(f), 'test-path.js');
assert.equal(path.basename(f, '.js'), 'test-path');
assert.equal(path.extname(f), '.js');
assert.equal(path.dirname(f).substr(-11), '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('/'), '/');
path.exists(f, function(y) { assert.equal(y, true) });

assert.equal(path.existsSync(f), true);

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.'), '.');

// 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'      ]
  ,[[' ', '.'                     ], ' '          ]
  ,[[' ', '/'                     ], ' /'         ]
  ,[[' ', ''                      ], ' '          ]
  // preserving empty path parts, for url resolution case
  // pass boolean true as LAST argument.
  ,[['', '', true                 ], '/'          ]
  ,[['foo', '', true              ], 'foo/'       ]
  ,[['foo', '', 'bar', true       ], 'foo//bar'   ]
  ,[['foo/', '', 'bar', true      ], 'foo///bar'  ]
  ,[['', true                     ], '.'          ]
  // filtration of non-strings.
  ,[['x', true, 7, 'y', null, {}  ], 'x/y'        ]
  ];
joinTests.forEach(function(test) {
  var actual = path.join.apply(path, test[0]);
  var expected = 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(''))


assert.equal(path.normalize('./fixtures///b/../b/c.js'), 'fixtures/b/c.js');
assert.equal(path.normalize('./fixtures///b/../b/c.js',true), 'fixtures///b/c.js');
assert.equal(path.normalize('/foo/../../../bar'), '/bar');

assert.deepEqual(path.normalizeArray(['fixtures','b','','..','b','c.js']), ['fixtures','b','c.js']);
assert.deepEqual(path.normalizeArray(['fixtures','','b','..','b','c.js'], true), ['fixtures','','b','c.js']);

assert.equal(path.normalize('a//b//../b', true), 'a//b/b');
assert.equal(path.normalize('a//b//../b'), 'a/b');

assert.equal(path.normalize('a//b//./c', true), 'a//b//c');
assert.equal(path.normalize('a//b//./c'), 'a/b/c');
assert.equal(path.normalize('a//b//.', true), 'a//b/');
assert.equal(path.normalize('a//b//.'), 'a/b');