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Test Info:
- Manifest: dom/system/tests/ioutils/chrome.toml
<!-- Any copyright is dedicated to the Public Domain.
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<meta charset="utf-8">
<title>Test the IOUtils file I/O API</title>
<script src="file_ioutils_test_fixtures.js"></script>
<script>
"use strict";
const { Assert } = ChromeUtils.importESModule(
);
add_task(async function test_create_and_remove_file() {
info("Test creating and removing a single file");
const tmpFileName = PathUtils.join(PathUtils.tempDir, "test_ioutils_create_and_remove.tmp");
await IOUtils.write(tmpFileName, new Uint8Array(0));
ok(await fileExists(tmpFileName), `Expected file ${tmpFileName} to exist`);
await IOUtils.remove(tmpFileName);
ok(!await fileExists(tmpFileName), "IOUtils::remove can remove files");
info("Test creating and removing an empty directory");
const tempDirName = PathUtils.join(PathUtils.tempDir, "test_ioutils_create_and_remove.tmp.d");
await IOUtils.makeDirectory(tempDirName);
ok(await dirExists(tempDirName), `Expected directory ${tempDirName} to exist`);
await IOUtils.remove(tempDirName);
ok(!await dirExists(tempDirName), "IOUtils::remove can remove empty directories");
});
add_task(async function test_remove_non_existing() {
const tmpFileName = PathUtils.join(PathUtils.tempDir, "test_ioutil_remove_non_existing.tmp");
ok(!await fileExists(tmpFileName), `Expected file ${tmpFileName} not to exist`);
await IOUtils.remove(tmpFileName, { ignoreAbsent: true });
ok(!await fileExists(tmpFileName), "IOUtils::remove can ignore missing files without error");
await Assert.rejects(
IOUtils.remove(tmpFileName, { ignoreAbsent: false }),
/NotFoundError: Could not remove `.*': file does not exist/,
"IOUtils::remove can throw an error when target file is missing"
);
ok(!await fileExists(tmpFileName), `Expected file ${tmpFileName} not to exist`);
});
add_task(async function test_remove_recursive() {
const tmpParentDir = PathUtils.join(PathUtils.tempDir, "test_ioutils_remove.tmp.d");
const tmpChildDir = PathUtils.join(tmpParentDir, "child.tmp.d");
const tmpTopLevelFileName = PathUtils.join(tmpParentDir, "top.tmp");
const tmpNestedFileName = PathUtils.join(tmpChildDir, "nested.tmp");
await createDir(tmpChildDir);
await createFile(tmpTopLevelFileName, "");
await createFile(tmpNestedFileName, "");
ok(
await fileExists(tmpTopLevelFileName),
`Expected file ${tmpTopLevelFileName} to exist`
);
ok(
await fileExists(tmpNestedFileName),
`Expected file ${tmpNestedFileName} to exist`
);
await Assert.rejects(
IOUtils.remove(tmpParentDir, { recursive: false }),
/OperationError: Could not remove `.*': the directory is not empty/,
"IOUtils::remove fails if non-recursively removing directory with contents"
);
await IOUtils.remove(tmpParentDir, { recursive: true });
ok(
!await dirExists(tmpParentDir),
"IOUtils::remove can recursively remove a directory"
);
});
if (Services.appinfo.OS === "WINNT") {
add_task(async function test_remove_retry_readonly() {
const tmpDir = PathUtils.join(PathUtils.tempDir, "test_ioutils_remove_retry_readonly.tmp.d");
const path = PathUtils.join(tmpDir, "file.txt");
await createDir(tmpDir);
await createFile(path, "");
await IOUtils.setWindowsAttributes(path, { readOnly: true });
await Assert.rejects(
IOUtils.remove(path),
/NotAllowedError/,
"Cannot remove a readonly file by default"
);
Assert.ok(await fileExists(path), "File should still exist");
await IOUtils.remove(path, { retryReadonly: true });
Assert.ok(!await fileExists(path), "File should not exist");
await IOUtils.remove(tmpDir);
});
}
</script>
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<div id="content" style="display: none"></div>
<pre id="test"></pre>
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