<!-- 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.importESModule(
"resource://testing-common/Assert.sys.mjs"
);
add_task(async function iterate_dir_failure() {
let notExists = PathUtils.join(PathUtils.tempDir,
'does_not_exist_dir.tmp.d');
await Assert.rejects(
IOUtils.hasChildren(notExists),
/NotFoundError: Could not check children of `.*
': directory does not exist/,
"IOUtils::getChildren rejects if the file does not exist"
);
await Assert.rejects(
IOUtils.getChildren(notExists),
/NotFoundError: Could not get children of `.*
': directory 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.hasChildren(tmpFileName),
/InvalidAccessError: Could not check children of `.*
': file is not a directory/,
"IOUtils::getChildren rejects if the file is not a dir"
);
await Assert.rejects(IOUtils.getChildren(tmpFileName),
/InvalidAccessError: Could not get children of `.*
': file 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 hasChildren = await IOUtils.hasChildren(root);
is(hasChildren, true, `Expected some entries below the path at ${root}`);
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.hasChildren(emptyDir)),
false,
"IOUtils::hasChildren returns false when called on an empty dir"
);
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.hasChildren(notExists, { ignoreAbsent: true })),
false,
"IOUtils::hasChildren returns false when called with ignoreAbsent on a missing file"
);
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>
