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<
title>Test the IOUtils file I/O API</
title>
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"chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></
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<
script src=
"file_ioutils_test_fixtures.js"></
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<
script>
"use strict";
const { Assert } = ChromeUtils.importESModule(
"resource://testing-common/Assert.sys.mjs"
);
add_task(async function test_make_directory() {
info(
"Test creating a new directory");
const newDirectoryName = PathUtils.join(PathUtils.tempDir,
"test_ioutils_new_dir.tmp.d");
await IOUtils.makeDirectory(newDirectoryName);
ok(
await IOUtils.exists(newDirectoryName),
"IOUtils::makeDirectory can create a new directory"
);
info(
"Test creating an existing directory");
await IOUtils.makeDirectory(newDirectoryName, { ignoreExisting: true });
ok(
await IOUtils.exists(newDirectoryName),
"IOUtils::makeDirectory can ignore existing directories"
);
await Assert.rejects(
IOUtils.makeDirectory(newDirectoryName, { ignoreExisting: false }),
/NoModificationAllowedError: Could not create directory `.*
': directory already exists/,
"IOUtils::makeDirectory can throw if the target dir exists"
)
info(
"Test creating a nested directory");
const parentDirName = PathUtils.join(PathUtils.tempDir,
"test_ioutils_mkdir_parent.tmp.d");
const nestedDirName = PathUtils.join(
parentDirName,
"test_ioutils_mkdir_child.tmp.d"
);
await Assert.rejects(
IOUtils.makeDirectory(nestedDirName, { createAncestors: false }),
/NotFoundError: Could not create directory `.*
'/,
"IOUtils::makeDirectory can fail if the target is missing parents"
);
ok(!await IOUtils.exists(nestedDirName), `Expected ${nestedDirName} not to exist`);
await IOUtils.makeDirectory(nestedDirName, { createAncestors: true });
ok(
await IOUtils.exists(nestedDirName),
"IOUtils::makeDirectory can create ancestors of the target directory"
);
await cleanup(newDirectoryName, parentDirName);
});
add_task(async function test_make_directory_failure() {
info(
"Try to create a directory where a file already exists");
const notADirFileName = PathUtils.join(PathUtils.tempDir,
"test_ioutils_not_a_dir.tmp");
await createFile(notADirFileName);
await Assert.rejects(
IOUtils.makeDirectory(notADirFileName, { ignoreExisting: false }),
/InvalidAccessError: Could not create directory `.*
': file exists and is not a directory/,
"IOUtils::makeDirectory [ignoreExisting: false] throws when the target is an existing file"
);
ok(await fileExists(notADirFileName), `Expected ${notADirFileName} to exist`);
await Assert.rejects(
IOUtils.makeDirectory(notADirFileName, { ignoreExisting: true }),
/InvalidAccessError: Could not create directory `.*
': file exists and is not a directory/,
"IOUtils::makeDirectory [ignoreExisting: true] throws when the target is an existing file"
);
ok(await fileExists(notADirFileName), `Expected ${notADirFileName} to exist`);
await cleanup(notADirFileName);
});
add_task(async function test_make_directory_permissions() {
if (Services.appinfo.OS ===
"WINNT") {
ok(true,
"Skipping test on unsupported platform (Windows)");
return;
}
const newDir = PathUtils.join(PathUtils.tempDir,
"test_ioutils_mkdir_perms.tmp.d");
ok(!await IOUtils.exists(newDir),
"Directory does not exist before creation");
await IOUtils.makeDirectory(newDir, { permissions: 0o751 });
ok(await IOUtils.exists(newDir),
"Directory created");
const stat = await IOUtils.stat(newDir);
is(stat.type,
"directory",
"Directory stat() as directory");
is(stat.permissions, 0o751,
"Directory created with expected permissions");
await cleanup(newDir);
});
add_task(async function test_make_directory_root() {
if (Services.appinfo.OS ===
"WINNT") {
// We don
't actually know the root drive, but we can find the root drive
// of the profile directory.
let current = PathUtils.profileDir;
let parent = PathUtils.parent(current);
while (parent !== null) {
current = parent;
parent = PathUtils.parent(current);
}
// `current` will now be a valid root directory.
ok(await IOUtils.exists(current),
"Root directory should exist");
const DRIVE_RE = /^[A-Za-z]:$/;
ok(
current.startsWith(
"\\\\") || DRIVE_RE.test(current),
`Root directory (${current}) should be a UNC path or drive`,
);
await IOUtils.makeDirectory(current, {createAncestors: false});
} else {
ok(await IOUtils.exists(
"/"),
"Root directory should exist");
await IOUtils.makeDirectory(
"/", {createAncestors: false});
}
});
</
script>
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pre id=
"test"></
pre>
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