// 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.

// Adapted version of:
// https://github.com/joyent/node/blob/v0.9.1/test/simple/test-path.js

exports['test path'] = function(assert) {
  var system = require('sdk/system');
  var path = require('sdk/fs/path');

  // Shim process global from node.
  var process = Object.create(require('sdk/system'));
  process.cwd = process.pathFor.bind(process, 'CurProcD');

  var isWindows = require('sdk/system').platform.indexOf('win') === 0;

  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.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'],
         // For some mysterious reasons OSX debug builds resolve incorrectly
         // https://tbpl.mozilla.org/php/getParsedLog.php?id=25105489&tree=Mozilla-Inbound
         // Disable this tests until Bug 891698 is fixed.
         // [['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.isAbsolute tests
  if (isWindows) {
    assert.equal(path.isAbsolute('//server/file'), true);
    assert.equal(path.isAbsolute('\\\\server\\file'), true);
    assert.equal(path.isAbsolute('C:/Users/'), true);
    assert.equal(path.isAbsolute('C:\\Users\\'), true);
    assert.equal(path.isAbsolute('C:cwd/another'), false);
    assert.equal(path.isAbsolute('C:cwd\\another'), false);
    assert.equal(path.isAbsolute('directory/directory'), false);
    assert.equal(path.isAbsolute('directory\\directory'), false);
  } else {
    assert.equal(path.isAbsolute('/home/foo'), true);
    assert.equal(path.isAbsolute('/home/foo/..'), true);
    assert.equal(path.isAbsolute('bar/'), false);
    assert.equal(path.isAbsolute('./baz'), false);
  }

  // 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, ':');
  }
};

require('sdk/test').run(exports);
