The Tor Browser / file comparison
comparison: xpcom/tests/unit/test_symlinks.js
xpcom/tests/unit/test_symlinks.js
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:5e047071b0c1 |
|---|---|
| 1 const CWD = do_get_cwd(); | |
| 2 function checkOS(os) { | |
| 3 const nsILocalFile_ = "nsILocalFile" + os; | |
| 4 return nsILocalFile_ in Components.interfaces && | |
| 5 CWD instanceof Components.interfaces[nsILocalFile_]; | |
| 6 } | |
| 7 | |
| 8 const DIR_TARGET = "target"; | |
| 9 const DIR_LINK = "link"; | |
| 10 const DIR_LINK_LINK = "link_link"; | |
| 11 const FILE_TARGET = "target.txt"; | |
| 12 const FILE_LINK = "link.txt"; | |
| 13 const FILE_LINK_LINK = "link_link.txt"; | |
| 14 | |
| 15 const DOES_NOT_EXIST = "doesnotexist"; | |
| 16 const DANGLING_LINK = "dangling_link"; | |
| 17 const LOOP_LINK = "loop_link"; | |
| 18 | |
| 19 const isWin = checkOS("Win"); | |
| 20 const isMac = checkOS("Mac"); | |
| 21 const isUnix = !(isWin || isMac); | |
| 22 | |
| 23 const nsIFile = Components.interfaces.nsIFile; | |
| 24 | |
| 25 var process; | |
| 26 function createSymLink(from, to) { | |
| 27 if (!process) { | |
| 28 var ln = Components.classes["@mozilla.org/file/local;1"] | |
| 29 .createInstance(Components.interfaces.nsILocalFile); | |
| 30 ln.initWithPath("/bin/ln"); | |
| 31 | |
| 32 process = Components.classes["@mozilla.org/process/util;1"] | |
| 33 .createInstance(Components.interfaces.nsIProcess); | |
| 34 process.init(ln); | |
| 35 } | |
| 36 | |
| 37 const args = ["-s", from, to]; | |
| 38 process.run(true, args, args.length); | |
| 39 do_check_eq(process.exitValue, 0); | |
| 40 } | |
| 41 | |
| 42 function makeSymLink(from, toName, relative) { | |
| 43 var to = from.parent; | |
| 44 to.append(toName); | |
| 45 | |
| 46 if (relative) { | |
| 47 createSymLink(from.leafName, to.path); | |
| 48 } | |
| 49 else { | |
| 50 createSymLink(from.path, to.path); | |
| 51 } | |
| 52 | |
| 53 do_check_true(to.isSymlink()); | |
| 54 | |
| 55 print("---"); | |
| 56 print(from.path); | |
| 57 print(to.path); | |
| 58 print(to.target); | |
| 59 | |
| 60 if (from.leafName != DOES_NOT_EXIST && from.isSymlink()) { | |
| 61 // XXXjag wish I could set followLinks to false so we'd just get | |
| 62 // the symlink's direct target instead of the final target. | |
| 63 do_check_eq(from.target, to.target); | |
| 64 } | |
| 65 else { | |
| 66 do_check_eq(from.path, to.target); | |
| 67 } | |
| 68 | |
| 69 return to; | |
| 70 } | |
| 71 | |
| 72 function setupTestDir(testDir, relative) { | |
| 73 var targetDir = testDir.clone(); | |
| 74 targetDir.append(DIR_TARGET); | |
| 75 | |
| 76 if (testDir.exists()) { | |
| 77 testDir.remove(true); | |
| 78 } | |
| 79 do_check_true(!testDir.exists()); | |
| 80 | |
| 81 testDir.create(nsIFile.DIRECTORY_TYPE, 0777); | |
| 82 | |
| 83 targetDir.create(nsIFile.DIRECTORY_TYPE, 0777); | |
| 84 | |
| 85 var targetFile = testDir.clone(); | |
| 86 targetFile.append(FILE_TARGET); | |
| 87 targetFile.create(nsIFile.NORMAL_FILE_TYPE, 0666); | |
| 88 | |
| 89 var imaginary = testDir.clone(); | |
| 90 imaginary.append(DOES_NOT_EXIST); | |
| 91 | |
| 92 var loop = testDir.clone(); | |
| 93 loop.append(LOOP_LINK); | |
| 94 | |
| 95 var dirLink = makeSymLink(targetDir, DIR_LINK, relative); | |
| 96 var fileLink = makeSymLink(targetFile, FILE_LINK, relative); | |
| 97 | |
| 98 makeSymLink(dirLink, DIR_LINK_LINK, relative); | |
| 99 makeSymLink(fileLink, FILE_LINK_LINK, relative); | |
| 100 | |
| 101 makeSymLink(imaginary, DANGLING_LINK, relative); | |
| 102 | |
| 103 try { | |
| 104 makeSymLink(loop, LOOP_LINK, relative); | |
| 105 do_check_true(false); | |
| 106 } | |
| 107 catch (e) { | |
| 108 } | |
| 109 } | |
| 110 | |
| 111 function createSpaces(dirs, files, links) { | |
| 112 function longest(a, b) a.length > b.length ? a : b; | |
| 113 return dirs.concat(files, links).reduce(longest, "").replace(/./g, " "); | |
| 114 } | |
| 115 | |
| 116 function testSymLinks(testDir, relative) { | |
| 117 setupTestDir(testDir, relative); | |
| 118 | |
| 119 const dirLinks = [DIR_LINK, DIR_LINK_LINK]; | |
| 120 const fileLinks = [FILE_LINK, FILE_LINK_LINK]; | |
| 121 const otherLinks = [DANGLING_LINK, LOOP_LINK]; | |
| 122 const dirs = [DIR_TARGET].concat(dirLinks); | |
| 123 const files = [FILE_TARGET].concat(fileLinks); | |
| 124 const links = otherLinks.concat(dirLinks, fileLinks); | |
| 125 | |
| 126 const spaces = createSpaces(dirs, files, links); | |
| 127 const bools = {false: " false", true: " true "}; | |
| 128 print(spaces + " dir file symlink"); | |
| 129 var dirEntries = testDir.directoryEntries; | |
| 130 while (dirEntries.hasMoreElements()) { | |
| 131 const file = dirEntries.getNext().QueryInterface(nsIFile); | |
| 132 const name = file.leafName; | |
| 133 print(name + spaces.substring(name.length) + bools[file.isDirectory()] + | |
| 134 bools[file.isFile()] + bools[file.isSymlink()]); | |
| 135 do_check_eq(file.isDirectory(), dirs.indexOf(name) != -1); | |
| 136 do_check_eq(file.isFile(), files.indexOf(name) != -1); | |
| 137 do_check_eq(file.isSymlink(), links.indexOf(name) != -1); | |
| 138 } | |
| 139 } | |
| 140 | |
| 141 function run_test() { | |
| 142 // Skip this test on Windows | |
| 143 if (isWin) | |
| 144 return; | |
| 145 | |
| 146 var testDir = CWD; | |
| 147 testDir.append("test_symlinks"); | |
| 148 | |
| 149 testSymLinks(testDir, false); | |
| 150 testSymLinks(testDir, true); | |
| 151 } |
