1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/xpcom/tests/unit/test_symlinks.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,151 @@
1.4 +const CWD = do_get_cwd();
1.5 +function checkOS(os) {
1.6 + const nsILocalFile_ = "nsILocalFile" + os;
1.7 + return nsILocalFile_ in Components.interfaces &&
1.8 + CWD instanceof Components.interfaces[nsILocalFile_];
1.9 +}
1.10 +
1.11 +const DIR_TARGET = "target";
1.12 +const DIR_LINK = "link";
1.13 +const DIR_LINK_LINK = "link_link";
1.14 +const FILE_TARGET = "target.txt";
1.15 +const FILE_LINK = "link.txt";
1.16 +const FILE_LINK_LINK = "link_link.txt";
1.17 +
1.18 +const DOES_NOT_EXIST = "doesnotexist";
1.19 +const DANGLING_LINK = "dangling_link";
1.20 +const LOOP_LINK = "loop_link";
1.21 +
1.22 +const isWin = checkOS("Win");
1.23 +const isMac = checkOS("Mac");
1.24 +const isUnix = !(isWin || isMac);
1.25 +
1.26 +const nsIFile = Components.interfaces.nsIFile;
1.27 +
1.28 +var process;
1.29 +function createSymLink(from, to) {
1.30 + if (!process) {
1.31 + var ln = Components.classes["@mozilla.org/file/local;1"]
1.32 + .createInstance(Components.interfaces.nsILocalFile);
1.33 + ln.initWithPath("/bin/ln");
1.34 +
1.35 + process = Components.classes["@mozilla.org/process/util;1"]
1.36 + .createInstance(Components.interfaces.nsIProcess);
1.37 + process.init(ln);
1.38 + }
1.39 +
1.40 + const args = ["-s", from, to];
1.41 + process.run(true, args, args.length);
1.42 + do_check_eq(process.exitValue, 0);
1.43 +}
1.44 +
1.45 +function makeSymLink(from, toName, relative) {
1.46 + var to = from.parent;
1.47 + to.append(toName);
1.48 +
1.49 + if (relative) {
1.50 + createSymLink(from.leafName, to.path);
1.51 + }
1.52 + else {
1.53 + createSymLink(from.path, to.path);
1.54 + }
1.55 +
1.56 + do_check_true(to.isSymlink());
1.57 +
1.58 + print("---");
1.59 + print(from.path);
1.60 + print(to.path);
1.61 + print(to.target);
1.62 +
1.63 + if (from.leafName != DOES_NOT_EXIST && from.isSymlink()) {
1.64 + // XXXjag wish I could set followLinks to false so we'd just get
1.65 + // the symlink's direct target instead of the final target.
1.66 + do_check_eq(from.target, to.target);
1.67 + }
1.68 + else {
1.69 + do_check_eq(from.path, to.target);
1.70 + }
1.71 +
1.72 + return to;
1.73 +}
1.74 +
1.75 +function setupTestDir(testDir, relative) {
1.76 + var targetDir = testDir.clone();
1.77 + targetDir.append(DIR_TARGET);
1.78 +
1.79 + if (testDir.exists()) {
1.80 + testDir.remove(true);
1.81 + }
1.82 + do_check_true(!testDir.exists());
1.83 +
1.84 + testDir.create(nsIFile.DIRECTORY_TYPE, 0777);
1.85 +
1.86 + targetDir.create(nsIFile.DIRECTORY_TYPE, 0777);
1.87 +
1.88 + var targetFile = testDir.clone();
1.89 + targetFile.append(FILE_TARGET);
1.90 + targetFile.create(nsIFile.NORMAL_FILE_TYPE, 0666);
1.91 +
1.92 + var imaginary = testDir.clone();
1.93 + imaginary.append(DOES_NOT_EXIST);
1.94 +
1.95 + var loop = testDir.clone();
1.96 + loop.append(LOOP_LINK);
1.97 +
1.98 + var dirLink = makeSymLink(targetDir, DIR_LINK, relative);
1.99 + var fileLink = makeSymLink(targetFile, FILE_LINK, relative);
1.100 +
1.101 + makeSymLink(dirLink, DIR_LINK_LINK, relative);
1.102 + makeSymLink(fileLink, FILE_LINK_LINK, relative);
1.103 +
1.104 + makeSymLink(imaginary, DANGLING_LINK, relative);
1.105 +
1.106 + try {
1.107 + makeSymLink(loop, LOOP_LINK, relative);
1.108 + do_check_true(false);
1.109 + }
1.110 + catch (e) {
1.111 + }
1.112 +}
1.113 +
1.114 +function createSpaces(dirs, files, links) {
1.115 + function longest(a, b) a.length > b.length ? a : b;
1.116 + return dirs.concat(files, links).reduce(longest, "").replace(/./g, " ");
1.117 +}
1.118 +
1.119 +function testSymLinks(testDir, relative) {
1.120 + setupTestDir(testDir, relative);
1.121 +
1.122 + const dirLinks = [DIR_LINK, DIR_LINK_LINK];
1.123 + const fileLinks = [FILE_LINK, FILE_LINK_LINK];
1.124 + const otherLinks = [DANGLING_LINK, LOOP_LINK];
1.125 + const dirs = [DIR_TARGET].concat(dirLinks);
1.126 + const files = [FILE_TARGET].concat(fileLinks);
1.127 + const links = otherLinks.concat(dirLinks, fileLinks);
1.128 +
1.129 + const spaces = createSpaces(dirs, files, links);
1.130 + const bools = {false: " false", true: " true "};
1.131 + print(spaces + " dir file symlink");
1.132 + var dirEntries = testDir.directoryEntries;
1.133 + while (dirEntries.hasMoreElements()) {
1.134 + const file = dirEntries.getNext().QueryInterface(nsIFile);
1.135 + const name = file.leafName;
1.136 + print(name + spaces.substring(name.length) + bools[file.isDirectory()] +
1.137 + bools[file.isFile()] + bools[file.isSymlink()]);
1.138 + do_check_eq(file.isDirectory(), dirs.indexOf(name) != -1);
1.139 + do_check_eq(file.isFile(), files.indexOf(name) != -1);
1.140 + do_check_eq(file.isSymlink(), links.indexOf(name) != -1);
1.141 + }
1.142 +}
1.143 +
1.144 +function run_test() {
1.145 + // Skip this test on Windows
1.146 + if (isWin)
1.147 + return;
1.148 +
1.149 + var testDir = CWD;
1.150 + testDir.append("test_symlinks");
1.151 +
1.152 + testSymLinks(testDir, false);
1.153 + testSymLinks(testDir, true);
1.154 +}
