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<!-- Any copyright is dedicated to the Public Domain.
- http://creativecommons.org/publicdomain/zero/1.0/ -->
<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>Test the IOUtils file I/O API</title>
<script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="chrome://mochikit/content/tests/SimpleTest/test.css" />
<script src="file_ioutils_test_fixtures.js"></script>
<script>
"use strict";
const { Assert } = ChromeUtils.import("resource://testing-common/Assert.jsm");
add_task(async function iterate_dir_failure() {
let notExists = PathUtils.join(PathUtils.tempDir, 'does_not_exist_dir.tmp.d');
await Assert.rejects(
IOUtils.getChildren(notExists),
/Could not get children of file\(.*\) because it does not exist/,
"IOUtils::getChildren rejects if the file does not exist"
);
ok(!await fileExists(notExists), `Expected ${notExists} not to exist`);
info('Try to get the children of a regular file');
let tmpFileName = PathUtils.join(PathUtils.tempDir, 'iterator_file.tmp');
await createFile(tmpFileName)
await Assert.rejects(IOUtils.getChildren(tmpFileName),
/Could not get children of file\(.*\) because it is not a directory/,
"IOUtils::getChildren rejects if the file is not a dir"
);
await cleanup(tmpFileName);
});
add_task(async function iterate_dir() {
info('Try to get the children of a multi-level directory hierarchy');
let root = PathUtils.join(PathUtils.tempDir, 'iterator.tmp.d');
let child1 = PathUtils.join(root, 'child1.tmp');
let child2 = PathUtils.join(root, 'child2.tmp');
let grandchild = PathUtils.join(child1, 'grandchild.tmp');
await createDir(grandchild); // Ancestors will be created.
await createDir(child2);
let entries = await IOUtils.getChildren(root);
is(entries.length, 2, `Expected 2 entries below the path at ${root}`);
ok(!entries.includes(grandchild), "IOUtils::getChildren does not enter subdirectories");
await cleanup(root);
});
add_task(async function iterate_empty_dir() {
info('Try to get the children of an empty directory');
let emptyDir = PathUtils.join(PathUtils.tempDir, 'iterator_empty_dir.tmp.d');
await createDir(emptyDir);
is(
(await IOUtils.getChildren(emptyDir)).length,
0,
"IOUtils::getChildren return an empty array when called on an empty dir"
);
await cleanup(emptyDir);
});
add_task(async function iterate_ignore_missing_dir() {
info("Try to get the children of a missing file with ignoreAbsent");
const notExists = PathUtils.join(PathUtils.tempDir, "does_not_exist_dir.tmp.d");
is(
(await IOUtils.getChildren(notExists, { ignoreAbsent: true })).length,
0,
"IOUtils::getChildren returns an empty array when called with ignoreAbsent on a missing file"
);
ok(!await fileExists(notExists), `Expected ${notExists} not to exist`);
});
</script>
</head>
<body>
<p id="display"></p>
<div id="content" style="display: none"></div>
<pre id="test"></pre>
</body>
</html>
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