michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: "use strict";
michael@0: 
michael@0: const { pathFor, platform } = require("sdk/system");
michael@0: const fs = require("sdk/io/fs");
michael@0: const url = require("sdk/url");
michael@0: const path = require("sdk/fs/path");
michael@0: const { defer } = require("sdk/core/promise");
michael@0: const { Buffer } = require("sdk/io/buffer");
michael@0: const { is } = require("sdk/system/xul-app");
michael@0: 
michael@0: // Use profile directory to list / read / write files.
michael@0: const profilePath = pathFor("ProfD");
michael@0: const fileNameInProfile = "compatibility.ini";
michael@0: const dirNameInProfile = "extensions";
michael@0: const filePathInProfile = path.join(profilePath, fileNameInProfile);
michael@0: const dirPathInProfile = path.join(profilePath, dirNameInProfile);
michael@0: const mkdirPath = path.join(profilePath, "sdk-fixture-mkdir");
michael@0: const writePath = path.join(profilePath, "sdk-fixture-writeFile");
michael@0: const unlinkPath = path.join(profilePath, "sdk-fixture-unlink");
michael@0: const truncatePath = path.join(profilePath, "sdk-fixture-truncate");
michael@0: const renameFromPath = path.join(profilePath, "sdk-fixture-rename-from");
michael@0: const renameToPath = path.join(profilePath, "sdk-fixture-rename-to");
michael@0: const chmodPath = path.join(profilePath, "sdk-fixture-chmod");
michael@0: 
michael@0: const profileEntries = [
michael@0:   "compatibility.ini",
michael@0:   "extensions",
michael@0:   "prefs.js"
michael@0:   // There are likely to be a lot more files but we can"t really
michael@0:   // on consistent list so we limit to this.
michael@0: ];
michael@0: 
michael@0: const isWindows = platform.indexOf('win') === 0;
michael@0: 
michael@0: exports["test readdir"] = function(assert, end) {
michael@0:   var async = false;
michael@0:   fs.readdir(profilePath, function(error, entries) {
michael@0:     assert.ok(async, "readdir is async");
michael@0:     assert.ok(!error, "there is no error when reading directory");
michael@0:     assert.ok(profileEntries.length <= entries.length,
michael@0:               "got at least number of entries we expect");
michael@0:     assert.ok(profileEntries.every(function(entry) {
michael@0:                 return entries.indexOf(entry) >= 0;
michael@0:               }), "all profiles are present");
michael@0:     end();
michael@0:   });
michael@0: 
michael@0:   async = true;
michael@0: };
michael@0: 
michael@0: exports["test readdir error"] = function(assert, end) {
michael@0:   var async = false;
michael@0:   var path = profilePath + "-does-not-exists";
michael@0:   fs.readdir(path, function(error, entries) {
michael@0:     assert.ok(async, "readdir is async");
michael@0:     assert.equal(error.message, "ENOENT, readdir " + path);
michael@0:     assert.equal(error.code, "ENOENT", "error has a code");
michael@0:     assert.equal(error.path, path, "error has a path");
michael@0:     assert.equal(error.errno, 34, "error has a errno");
michael@0:     end();
michael@0:   });
michael@0: 
michael@0:   async = true;
michael@0: };
michael@0: 
michael@0: exports["test readdirSync"] = function(assert) {
michael@0:   var async = false;
michael@0:   var entries = fs.readdirSync(profilePath);
michael@0:   assert.ok(profileEntries.length <= entries.length,
michael@0:             "got at least number of entries we expect");
michael@0:   assert.ok(profileEntries.every(function(entry) {
michael@0:     return entries.indexOf(entry) >= 0;
michael@0:   }), "all profiles are present");
michael@0: };
michael@0: 
michael@0: exports["test readdirSync error"] = function(assert) {
michael@0:   var async = false;
michael@0:   var path = profilePath + "-does-not-exists";
michael@0:   try {
michael@0:     fs.readdirSync(path);
michael@0:     assert.fail(Error("No error was thrown"));
michael@0:   } catch (error) {
michael@0:     assert.equal(error.message, "ENOENT, readdir " + path);
michael@0:     assert.equal(error.code, "ENOENT", "error has a code");
michael@0:     assert.equal(error.path, path, "error has a path");
michael@0:     assert.equal(error.errno, 34, "error has a errno");
michael@0:   }
michael@0: };
michael@0: 
michael@0: exports["test readFile"] = function(assert, end) {
michael@0:   let async = false;
michael@0:   fs.readFile(filePathInProfile, function(error, content) {
michael@0:     assert.ok(async, "readFile is async");
michael@0:     assert.ok(!error, "error is falsy");
michael@0: 
michael@0:     assert.ok(Buffer.isBuffer(content), "readFile returns buffer");
michael@0:     assert.ok(typeof(content.length) === "number", "buffer has length");
michael@0:     assert.ok(content.toString().indexOf("[Compatibility]") >= 0,
michael@0:               "content contains expected data");
michael@0:     end();
michael@0:   });
michael@0:   async = true;
michael@0: };
michael@0: 
michael@0: exports["test readFile error"] = function(assert, end) {
michael@0:   let async = false;
michael@0:   let path = filePathInProfile + "-does-not-exists";
michael@0:   fs.readFile(path, function(error, content) {
michael@0:     assert.ok(async, "readFile is async");
michael@0:     assert.equal(error.message, "ENOENT, open " + path);
michael@0:     assert.equal(error.code, "ENOENT", "error has a code");
michael@0:     assert.equal(error.path, path, "error has a path");
michael@0:     assert.equal(error.errno, 34, "error has a errno");
michael@0: 
michael@0:     end();
michael@0:   });
michael@0:   async = true;
michael@0: };
michael@0: 
michael@0: exports["test readFileSync not implemented"] = function(assert) {
michael@0:   let buffer = fs.readFileSync(filePathInProfile);
michael@0:   assert.ok(buffer.toString().indexOf("[Compatibility]") >= 0,
michael@0:             "read content");
michael@0: };
michael@0: 
michael@0: exports["test fs.stat file"] = function(assert, end) {
michael@0:   let async = false;
michael@0:   let path = filePathInProfile;
michael@0:   fs.stat(path, function(error, stat) {
michael@0:     assert.ok(async, "fs.stat is async");
michael@0:     assert.ok(!error, "error is falsy");
michael@0:     assert.ok(!stat.isDirectory(), "not a dir");
michael@0:     assert.ok(stat.isFile(), "is a file");
michael@0:     assert.ok(!stat.isSymbolicLink(), "isn't a symlink");
michael@0:     assert.ok(typeof(stat.size) === "number", "size is a number");
michael@0:     assert.ok(stat.exists === true, "file exists");
michael@0:     assert.ok(typeof(stat.isBlockDevice()) === "boolean");
michael@0:     assert.ok(typeof(stat.isCharacterDevice()) === "boolean");
michael@0:     assert.ok(typeof(stat.isFIFO()) === "boolean");
michael@0:     assert.ok(typeof(stat.isSocket()) === "boolean");
michael@0:     assert.ok(typeof(stat.hidden) === "boolean");
michael@0:     assert.ok(typeof(stat.writable) === "boolean")
michael@0:     assert.ok(stat.readable === true);
michael@0: 
michael@0:     end();
michael@0:   });
michael@0:   async = true;
michael@0: };
michael@0: 
michael@0: exports["test fs.stat dir"] = function(assert, end) {
michael@0:   let async = false;
michael@0:   let path = dirPathInProfile;
michael@0:   fs.stat(path, function(error, stat) {
michael@0:     assert.ok(async, "fs.stat is async");
michael@0:     assert.ok(!error, "error is falsy");
michael@0:     assert.ok(stat.isDirectory(), "is a dir");
michael@0:     assert.ok(!stat.isFile(), "not a file");
michael@0:     assert.ok(!stat.isSymbolicLink(), "isn't a symlink");
michael@0:     assert.ok(typeof(stat.size) === "number", "size is a number");
michael@0:     assert.ok(stat.exists === true, "file exists");
michael@0:     assert.ok(typeof(stat.isBlockDevice()) === "boolean");
michael@0:     assert.ok(typeof(stat.isCharacterDevice()) === "boolean");
michael@0:     assert.ok(typeof(stat.isFIFO()) === "boolean");
michael@0:     assert.ok(typeof(stat.isSocket()) === "boolean");
michael@0:     assert.ok(typeof(stat.hidden) === "boolean");
michael@0:     assert.ok(typeof(stat.writable) === "boolean")
michael@0:     assert.ok(typeof(stat.readable) === "boolean");
michael@0: 
michael@0:     end();
michael@0:   });
michael@0:   async = true;
michael@0: };
michael@0: 
michael@0: exports["test fs.stat error"] = function(assert, end) {
michael@0:   let async = false;
michael@0:   let path = filePathInProfile + "-does-not-exists";
michael@0:   fs.stat(path, function(error, stat) {
michael@0:     assert.ok(async, "fs.stat is async");
michael@0:     assert.equal(error.message, "ENOENT, stat " + path);
michael@0:     assert.equal(error.code, "ENOENT", "error has a code");
michael@0:     assert.equal(error.path, path, "error has a path");
michael@0:     assert.equal(error.errno, 34, "error has a errno");
michael@0: 
michael@0:     end();
michael@0:   });
michael@0:   async = true;
michael@0: };
michael@0: 
michael@0: exports["test fs.exists NO"] = function(assert, end) {
michael@0:   let async = false
michael@0:   let path = filePathInProfile + "-does-not-exists";
michael@0:   fs.exists(path, function(error, value) {
michael@0:     assert.ok(async, "fs.exists is async");
michael@0:     assert.ok(!error, "error is falsy");
michael@0:     assert.ok(!value, "file does not exists");
michael@0:     end();
michael@0:   });
michael@0:   async = true;
michael@0: };
michael@0: 
michael@0: exports["test fs.exists YES"] = function(assert, end) {
michael@0:   let async = false
michael@0:   let path = filePathInProfile
michael@0:   fs.exists(path, function(error, value) {
michael@0:     assert.ok(async, "fs.exists is async");
michael@0:     assert.ok(!error, "error is falsy");
michael@0:     assert.ok(value, "file exists");
michael@0:     end();
michael@0:   });
michael@0:   async = true;
michael@0: };
michael@0: 
michael@0: exports["test fs.exists NO"] = function(assert, end) {
michael@0:   let async = false
michael@0:   let path = filePathInProfile + "-does-not-exists";
michael@0:   fs.exists(path, function(error, value) {
michael@0:     assert.ok(async, "fs.exists is async");
michael@0:     assert.ok(!error, "error is falsy");
michael@0:     assert.ok(!value, "file does not exists");
michael@0:     end();
michael@0:   });
michael@0:   async = true;
michael@0: };
michael@0: 
michael@0: exports["test fs.existsSync"] = function(assert) {
michael@0:   let path = filePathInProfile
michael@0:   assert.equal(fs.existsSync(path), true, "exists");
michael@0:   assert.equal(fs.existsSync(path + "-does-not-exists"), false, "exists");
michael@0: };
michael@0: 
michael@0: exports["test fs.mkdirSync fs.rmdirSync"] = function(assert) {
michael@0:   let path = mkdirPath;
michael@0: 
michael@0:   assert.equal(fs.existsSync(path), false, "does not exists");
michael@0:   fs.mkdirSync(path);
michael@0:   assert.equal(fs.existsSync(path), true, "dir was created");
michael@0:   try {
michael@0:     fs.mkdirSync(path);
michael@0:     assert.fail(Error("mkdir on existing should throw"));
michael@0:   } catch (error) {
michael@0:     assert.equal(error.message, "EEXIST, mkdir " + path);
michael@0:     assert.equal(error.code, "EEXIST", "error has a code");
michael@0:     assert.equal(error.path, path, "error has a path");
michael@0:     assert.equal(error.errno, 47, "error has a errno");
michael@0:   }
michael@0:   fs.rmdirSync(path);
michael@0:   assert.equal(fs.existsSync(path), false, "dir was removed");
michael@0: };
michael@0: 
michael@0: exports["test fs.mkdir"] = function(assert, end) {
michael@0:   let path = mkdirPath;
michael@0: 
michael@0:   if (!fs.existsSync(path)) {
michael@0:     let async = false;
michael@0:     fs.mkdir(path, function(error) {
michael@0:       assert.ok(async, "mkdir is async");
michael@0:       assert.ok(!error, "no error");
michael@0:       assert.equal(fs.existsSync(path), true, "dir was created");
michael@0:       fs.rmdirSync(path);
michael@0:       assert.equal(fs.existsSync(path), false, "dir was removed");
michael@0:       end();
michael@0:     });
michael@0:     async = true;
michael@0:   }
michael@0: };
michael@0: 
michael@0: exports["test fs.mkdir error"] = function(assert, end) {
michael@0:   let path = mkdirPath;
michael@0: 
michael@0:   if (!fs.existsSync(path)) {
michael@0:     fs.mkdirSync(path);
michael@0:     let async = false;
michael@0:     fs.mkdir(path, function(error) {
michael@0:       assert.ok(async, "mkdir is async");
michael@0:       assert.equal(error.message, "EEXIST, mkdir " + path);
michael@0:       assert.equal(error.code, "EEXIST", "error has a code");
michael@0:       assert.equal(error.path, path, "error has a path");
michael@0:       assert.equal(error.errno, 47, "error has a errno");
michael@0:       fs.rmdirSync(path);
michael@0:       assert.equal(fs.existsSync(path), false, "dir was removed");
michael@0:       end();
michael@0:     });
michael@0:     async = true;
michael@0:   }
michael@0: };
michael@0: 
michael@0: exports["test fs.rmdir"] = function(assert, end) {
michael@0:   let path = mkdirPath;
michael@0: 
michael@0:   if (!fs.existsSync(path)) {
michael@0:     fs.mkdirSync(path);
michael@0:     assert.equal(fs.existsSync(path), true, "dir exists");
michael@0:     let async = false;
michael@0:     fs.rmdir(path, function(error) {
michael@0:       assert.ok(async, "mkdir is async");
michael@0:       assert.ok(!error, "no error");
michael@0:       assert.equal(fs.existsSync(path), false, "dir was removed");
michael@0:       end();
michael@0:     });
michael@0:     async = true;
michael@0:   }
michael@0: };
michael@0: 
michael@0: 
michael@0: exports["test fs.rmdir error"] = function(assert, end) {
michael@0:   let path = mkdirPath;
michael@0: 
michael@0:   if (!fs.existsSync(path)) {
michael@0:     assert.equal(fs.existsSync(path), false, "dir doesn't exists");
michael@0:     let async = false;
michael@0:     fs.rmdir(path, function(error) {
michael@0:       assert.ok(async, "mkdir is async");
michael@0:       assert.equal(error.message, "ENOENT, remove " + path);
michael@0:       assert.equal(error.code, "ENOENT", "error has a code");
michael@0:       assert.equal(error.path, path, "error has a path");
michael@0:       assert.equal(error.errno, 34, "error has a errno");
michael@0:       assert.equal(fs.existsSync(path), false, "dir is removed");
michael@0:       end();
michael@0:     });
michael@0:     async = true;
michael@0:   }
michael@0: };
michael@0: 
michael@0: exports["test fs.truncateSync fs.unlinkSync"] = function(assert) {
michael@0:   let path = truncatePath;
michael@0: 
michael@0:   assert.equal(fs.existsSync(path), false, "does not exists");
michael@0:   fs.truncateSync(path);
michael@0:   assert.equal(fs.existsSync(path), true, "file was created");
michael@0:   fs.truncateSync(path);
michael@0:   fs.unlinkSync(path);
michael@0:   assert.equal(fs.existsSync(path), false, "file was removed");
michael@0: };
michael@0: 
michael@0: 
michael@0: exports["test fs.truncate"] = function(assert, end) {
michael@0:   let path = truncatePath;
michael@0:   if (!fs.existsSync(path)) {
michael@0:     let async = false;
michael@0:     fs.truncate(path, 0, function(error) {
michael@0:       assert.ok(async, "truncate is async");
michael@0:       assert.ok(!error, "no error");
michael@0:       assert.equal(fs.existsSync(path), true, "file was created");
michael@0:       fs.unlinkSync(path);
michael@0:       assert.equal(fs.existsSync(path), false, "file was removed");
michael@0:       end();
michael@0:     })
michael@0:     async = true;
michael@0:   }
michael@0: };
michael@0: 
michael@0: exports["test fs.unlink"] = function(assert, end) {
michael@0:   let path = unlinkPath;
michael@0:   let async = false;
michael@0:   assert.ok(!fs.existsSync(path), "file doesn't exists yet");
michael@0:   fs.truncateSync(path, 0);
michael@0:   assert.ok(fs.existsSync(path), "file was created");
michael@0:   fs.unlink(path, function(error) {
michael@0:     assert.ok(async, "fs.unlink is async");
michael@0:     assert.ok(!error, "error is falsy");
michael@0:     assert.ok(!fs.existsSync(path), "file was removed");
michael@0:     end();
michael@0:   });
michael@0:   async = true;
michael@0: };
michael@0: 
michael@0: exports["test fs.unlink error"] = function(assert, end) {
michael@0:   let path = unlinkPath;
michael@0:   let async = false;
michael@0:   assert.ok(!fs.existsSync(path), "file doesn't exists yet");
michael@0:   fs.unlink(path, function(error) {
michael@0:     assert.ok(async, "fs.unlink is async");
michael@0:     assert.equal(error.message, "ENOENT, remove " + path);
michael@0:     assert.equal(error.code, "ENOENT", "error has a code");
michael@0:     assert.equal(error.path, path, "error has a path");
michael@0:     assert.equal(error.errno, 34, "error has a errno");
michael@0:     end();
michael@0:   });
michael@0:   async = true;
michael@0: };
michael@0: 
michael@0: exports["test fs.rename"] = function(assert, end) {
michael@0:   let fromPath = renameFromPath;
michael@0:   let toPath = renameToPath;
michael@0: 
michael@0:   fs.truncateSync(fromPath);
michael@0:   assert.ok(fs.existsSync(fromPath), "source file exists");
michael@0:   assert.ok(!fs.existsSync(toPath), "destination doesn't exists");
michael@0:   var async = false;
michael@0:   fs.rename(fromPath, toPath, function(error) {
michael@0:     assert.ok(async, "fs.rename is async");
michael@0:     assert.ok(!error, "error is falsy");
michael@0:     assert.ok(!fs.existsSync(fromPath), "source path no longer exists");
michael@0:     assert.ok(fs.existsSync(toPath), "destination file exists");
michael@0:     fs.unlinkSync(toPath);
michael@0:     assert.ok(!fs.existsSync(toPath), "cleaned up properly");
michael@0:     end();
michael@0:   });
michael@0:   async = true;
michael@0: };
michael@0: 
michael@0: exports["test fs.rename (missing source file)"] = function(assert, end) {
michael@0:   let fromPath = renameFromPath;
michael@0:   let toPath = renameToPath;
michael@0: 
michael@0:   assert.ok(!fs.existsSync(fromPath), "source file doesn't exists");
michael@0:   assert.ok(!fs.existsSync(toPath), "destination doesn't exists");
michael@0:   var async = false;
michael@0:   fs.rename(fromPath, toPath, function(error) {
michael@0:     assert.ok(async, "fs.rename is async");
michael@0:     assert.equal(error.message, "ENOENT, rename " + fromPath);
michael@0:     assert.equal(error.code, "ENOENT", "error has a code");
michael@0:     assert.equal(error.path, fromPath, "error has a path");
michael@0:     assert.equal(error.errno, 34, "error has a errno");
michael@0:     end();
michael@0:   });
michael@0:   async = true;
michael@0: };
michael@0: 
michael@0: exports["test fs.rename (existing target file)"] = function(assert, end) {
michael@0:   let fromPath = renameFromPath;
michael@0:   let toPath = renameToPath;
michael@0: 
michael@0:   fs.truncateSync(fromPath);
michael@0:   fs.truncateSync(toPath);
michael@0:   assert.ok(fs.existsSync(fromPath), "source file exists");
michael@0:   assert.ok(fs.existsSync(toPath), "destination file exists");
michael@0:   var async = false;
michael@0:   fs.rename(fromPath, toPath, function(error) {
michael@0:     assert.ok(async, "fs.rename is async");
michael@0:     assert.ok(!error, "error is falsy");
michael@0:     assert.ok(!fs.existsSync(fromPath), "source path no longer exists");
michael@0:     assert.ok(fs.existsSync(toPath), "destination file exists");
michael@0:     fs.unlinkSync(toPath);
michael@0:     assert.ok(!fs.existsSync(toPath), "cleaned up properly");
michael@0:     end();
michael@0:   });
michael@0:   async = true;
michael@0: };
michael@0: 
michael@0: exports["test fs.writeFile"] = function(assert, end) {
michael@0:   let path = writePath;
michael@0:   let content = ["hello world",
michael@0:                  "this is some text"].join("\n");
michael@0: 
michael@0:   var async = false;
michael@0:   fs.writeFile(path, content, function(error) {
michael@0:     assert.ok(async, "fs write is async");
michael@0:     assert.ok(!error, "error is falsy");
michael@0:     assert.ok(fs.existsSync(path), "file was created");
michael@0:     assert.equal(fs.readFileSync(path).toString(),
michael@0:                  content,
michael@0:                  "contet was written");
michael@0:     fs.unlinkSync(path);
michael@0:     assert.ok(!fs.exists(path), "file was removed");
michael@0: 
michael@0:     end();
michael@0:   });
michael@0:   async = true;
michael@0: };
michael@0: 
michael@0: exports["test fs.writeFile (with large files)"] = function(assert, end) {
michael@0:   let path = writePath;
michael@0:   let content = "";
michael@0: 
michael@0:   for (var i = 0; i < 100000; i++) {
michael@0:     content += "buffer\n";
michael@0:   }
michael@0: 
michael@0:   var async = false;
michael@0:   fs.writeFile(path, content, function(error) {
michael@0:     assert.ok(async, "fs write is async");
michael@0:     assert.ok(!error, "error is falsy");
michael@0:     assert.ok(fs.existsSync(path), "file was created");
michael@0:     assert.equal(fs.readFileSync(path).toString(),
michael@0:                  content,
michael@0:                  "contet was written");
michael@0:     fs.unlinkSync(path);
michael@0:     assert.ok(!fs.exists(path), "file was removed");
michael@0: 
michael@0:     end();
michael@0:   });
michael@0:   async = true;
michael@0: };
michael@0: 
michael@0: exports["test fs.writeFile error"] = function (assert, done) {
michael@0:   try {
michael@0:     fs.writeFile({}, 'content', function (err) {
michael@0:       assert.fail('Error thrown from TypeError should not be caught');
michael@0:     });
michael@0:   } catch (e) {
michael@0:     assert.ok(e,
michael@0:       'writeFile with a non-string error should not be caught');
michael@0:     assert.equal(e.name, 'TypeError', 'error should be TypeError');
michael@0:   }
michael@0:   fs.writeFile('not/a/valid/path', 'content', function (err) {
michael@0:     assert.ok(err, 'error caught and handled in callback');
michael@0:     done();
michael@0:   });
michael@0: };
michael@0: 
michael@0: exports["test fs.chmod"] = function (assert, done) {
michael@0:   let content = ["hej från sverige"];
michael@0: 
michael@0:   fs.writeFile(chmodPath, content, function (err) {
michael@0:     testPerm("0755")()
michael@0:       .then(testPerm("0777"))
michael@0:       .then(testPerm("0666"))
michael@0:       .then(testPerm(parseInt("0511", 8)))
michael@0:       .then(testPerm(parseInt("0200", 8)))
michael@0:       .then(testPerm("0040"))
michael@0:       .then(testPerm("0000"))
michael@0:       .then(testPermSync(parseInt("0777", 8)))
michael@0:       .then(testPermSync(parseInt("0666", 8)))
michael@0:       .then(testPermSync("0511"))
michael@0:       .then(testPermSync("0200"))
michael@0:       .then(testPermSync("0040"))
michael@0:       .then(testPermSync("0000"))
michael@0:       .then(() => {
michael@0:         assert.pass("Successful chmod passes");
michael@0:       }, assert.fail)
michael@0:       // Test invalid paths
michael@0:       .then(() => chmod("not-a-valid-file", parseInt("0755", 8)))
michael@0:       .then(assert.fail, (err) => {
michael@0:         checkPermError(err, "not-a-valid-file");
michael@0:       })
michael@0:       .then(() => chmod("not-a-valid-file", parseInt("0755", 8), "sync"))
michael@0:       .then(assert.fail, (err) => {
michael@0:         checkPermError(err, "not-a-valid-file");
michael@0:       })
michael@0:       // Test invalid files
michael@0:       .then(() => chmod("resource://not-a-real-file", parseInt("0755", 8)))
michael@0:       .then(assert.fail, (err) => {
michael@0:         checkPermError(err, "resource://not-a-real-file");
michael@0:       })
michael@0:       .then(() => chmod("resource://not-a-real-file", parseInt("0755", 8), 'sync'))
michael@0:       .then(assert.fail, (err) => {
michael@0:         checkPermError(err, "resource://not-a-real-file");
michael@0:       })
michael@0:       .then(done, assert.fail);
michael@0:   });
michael@0: 
michael@0:   function checkPermError (err, path) {
michael@0:     assert.equal(err.message, "ENOENT, chmod " + path);
michael@0:     assert.equal(err.code, "ENOENT", "error has a code");
michael@0:     assert.equal(err.path, path, "error has a path");
michael@0:     assert.equal(err.errno, 34, "error has a errno");
michael@0:   }
michael@0: 
michael@0:   function chmod (path, mode, sync) {
michael@0:     let { promise, resolve, reject } = defer();
michael@0:     if (!sync) {
michael@0:       fs.chmod(path, mode, (err) => {
michael@0:         if (err) reject(err);
michael@0:         else resolve();
michael@0:       });
michael@0:     } else {
michael@0:       fs.chmodSync(path, mode);
michael@0:       resolve();
michael@0:     }
michael@0:     return promise;
michael@0:   }
michael@0: 
michael@0:   function testPerm (mode, sync) {
michael@0:     return function () {
michael@0:       return chmod(chmodPath, mode, sync)
michael@0:         .then(() => getPerm(chmodPath))
michael@0:         .then(perm => {
michael@0:           let nMode = normalizeMode(mode);
michael@0:           if (isWindows)
michael@0:             assert.equal(perm, nMode,
michael@0:               "mode correctly set to " + mode + " (" + nMode + " on windows)");
michael@0:           else
michael@0:             assert.equal(perm, nMode, "mode correctly set to " + nMode);
michael@0:         });
michael@0:     };
michael@0:   }
michael@0: 
michael@0:   function testPermSync (mode) {
michael@0:     return testPerm(mode, true);
michael@0:   }
michael@0: 
michael@0:   function getPerm (path) {
michael@0:     let { promise, resolve, reject } = defer();
michael@0:     fs.stat(path, function (err, stat) {
michael@0:       if (err) reject(err);
michael@0:       else resolve(stat.mode);
michael@0:     });
michael@0:     return promise;
michael@0:   }
michael@0: 
michael@0:   /*
michael@0:    * Converts a unix mode `0755` into a Windows version of unix permissions
michael@0:    */
michael@0:   function normalizeMode (mode) {
michael@0:     if (typeof mode === "string")
michael@0:       mode = parseInt(mode, 8);
michael@0: 
michael@0:     if (!isWindows)
michael@0:       return mode;
michael@0: 
michael@0:     var ANY_READ = parseInt("0444", 8);
michael@0:     var ANY_WRITE = parseInt("0222", 8);
michael@0:     var winMode = 0;
michael@0: 
michael@0:     // On Windows, if WRITE is true, then READ is also true
michael@0:     if (mode & ANY_WRITE)
michael@0:       winMode |= ANY_WRITE | ANY_READ;
michael@0:     // Minimum permissions are READ for Windows
michael@0:     else
michael@0:       winMode |= ANY_READ;
michael@0: 
michael@0:     return winMode;
michael@0:   }
michael@0: };
michael@0: 
michael@0: require("test").run(exports);