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<meta charset="utf8">
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<title>IndexedDB: index renaming support</title>
<link rel="help"
href="https://w3c.github.io/IndexedDB/#dom-idbindex-name">
<link rel="author" href="[email protected]" title="Victor Costan">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/support-promises.js"></script>
<script>
'use strict';
promise_test(testCase => {
let authorIndex = null, authorIndex2 = null;
let renamedAuthorIndex = null, renamedAuthorIndex2 = null;
return createDatabase(testCase, (database, transaction) => {
const store = createBooksStore(testCase, database);
authorIndex = store.index('by_author');
}).then(database => {
const transaction = database.transaction('books', 'readonly', {durability: 'relaxed'});
const store = transaction.objectStore('books');
assert_array_equals(
store.indexNames, ['by_author', 'by_title'],
'Test setup should have created two indexes');
authorIndex2 = store.index('by_author');
return checkAuthorIndexContents(
testCase, authorIndex2,
'The index should have the expected contents before any renaming').
then(() => database.close());
}).then(() => migrateDatabase(testCase, 2, (database, transaction) => {
const store = transaction.objectStore('books');
renamedAuthorIndex = store.index('by_author');
renamedAuthorIndex.name = 'renamed_by_author';
assert_equals(
renamedAuthorIndex.name, 'renamed_by_author',
'IDBIndex name should change immediately after a rename');
assert_array_equals(
store.indexNames, ['by_title', 'renamed_by_author'],
'IDBObjectStore.indexNames should immediately reflect the rename');
assert_equals(
store.index('renamed_by_author'), renamedAuthorIndex,
'IDBObjectStore.index should return the renamed index store when ' +
'queried using the new name immediately after the rename');
assert_throws_dom(
'NotFoundError', () => store.index('by_author'),
'IDBObjectStore.index should throw when queried using the ' +
"renamed index's old name immediately after the rename");
})).then(database => {
const transaction = database.transaction('books', 'readonly', {durability: 'relaxed'});
const store = transaction.objectStore('books');
assert_array_equals(
store.indexNames, ['by_title', 'renamed_by_author'],
'IDBObjectStore.indexNames should still reflect the rename after ' +
'the versionchange transaction commits');
renamedAuthorIndex2 = store.index('renamed_by_author');
return checkAuthorIndexContents(
testCase, renamedAuthorIndex2,
'Renaming an index should not change its contents').then(
() => database.close());
}).then(() => {
assert_equals(
authorIndex.name, 'by_author',
'IDBIndex obtained before the rename transaction should not ' +
'reflect the rename');
assert_equals(
authorIndex2.name, 'by_author',
'IDBIndex obtained before the rename transaction should not ' +
'reflect the rename');
assert_equals(
renamedAuthorIndex.name, 'renamed_by_author',
'IDBIndex used in the rename transaction should keep reflecting ' +
'the new name after the transaction is committed');
assert_equals(
renamedAuthorIndex2.name, 'renamed_by_author',
'IDBIndex obtained after the rename transaction should reflect ' +
'the new name');
});
}, 'IndexedDB index rename in new transaction');
promise_test(testCase => {
let renamedAuthorIndex = null, renamedAuthorIndex2 = null;
return createDatabase(testCase, (database, transaction) => {
const store = createBooksStore(testCase, database);
renamedAuthorIndex = store.index('by_author');
renamedAuthorIndex.name = 'renamed_by_author';
assert_equals(
renamedAuthorIndex.name, 'renamed_by_author',
'IDBIndex name should change immediately after a rename');
assert_array_equals(
store.indexNames, ['by_title', 'renamed_by_author'],
'IDBObjectStore.indexNames should immediately reflect the rename');
assert_equals(
store.index('renamed_by_author'), renamedAuthorIndex,
'IDBObjectStore.index should return the renamed index store when ' +
'queried using the new name immediately after the rename');
assert_throws_dom(
'NotFoundError', () => store.index('by_author'),
'IDBObjectStore.index should throw when queried using the ' +
"renamed index's old name immediately after the rename");
}).then(database => {
const transaction = database.transaction('books', 'readonly', {durability: 'relaxed'});
const store = transaction.objectStore('books');
assert_array_equals(
store.indexNames, ['by_title', 'renamed_by_author'],
'IDBObjectStore.indexNames should still reflect the rename after ' +
'the versionchange transaction commits');
renamedAuthorIndex2 = store.index('renamed_by_author');
return checkAuthorIndexContents(
testCase, renamedAuthorIndex2,
'Renaming an index should not change its contents').then(
() => database.close());
}).then(() => {
assert_equals(
renamedAuthorIndex.name, 'renamed_by_author',
'IDBIndex used in the rename transaction should keep reflecting ' +
'the new name after the transaction is committed');
assert_equals(
renamedAuthorIndex2.name, 'renamed_by_author',
'IDBIndex obtained after the rename transaction should reflect ' +
'the new name');
});
}, 'IndexedDB index rename in the transaction where it is created');
promise_test(testCase => {
return createDatabase(testCase, (database, transaction) => {
createBooksStore(testCase, database);
}).then(database => {
database.close();
}).then(() => migrateDatabase(testCase, 2, (database, transaction) => {
const store = transaction.objectStore('books');
const index = store.index('by_author');
index.name = 'by_author';
assert_array_equals(
store.indexNames, ['by_author', 'by_title'],
'Renaming an index to the same name should not change the ' +
"index's IDBObjectStore.indexNames");
})).then(database => {
const transaction = database.transaction('books', 'readonly', {durability: 'relaxed'});
const store = transaction.objectStore('books');
assert_array_equals(
store.indexNames, ['by_author', 'by_title'],
'Committing a transaction that renames a store to the same name ' +
"should not change the index's IDBObjectStore.indexNames");
const index = store.index('by_author');
return checkAuthorIndexContents(
testCase, index,
'Committing a transaction that renames an index to the same name ' +
"should not change the index's contents").then(
() => database.close());
});
}, 'IndexedDB index rename to the same name succeeds');
promise_test(testCase => {
return createDatabase(testCase, (database, transaction) => {
createBooksStore(testCase, database);
}).then(database => {
database.close();
}).then(() => migrateDatabase(testCase, 2, (database, transaction) => {
const store = transaction.objectStore('books');
const index = store.index('by_author');
store.deleteIndex('by_title');
index.name = 'by_title';
assert_array_equals(
store.indexNames, ['by_title'],
'IDBObjectStore.indexNames should immediately reflect the rename');
})).then(database => {
const transaction = database.transaction('books', 'readonly', {durability: 'relaxed'});
const store = transaction.objectStore('books');
assert_array_equals(
store.indexNames, ['by_title'],
'IDBObjectStore.indexNames should still reflect the rename after ' +
'the versionchange transaction commits');
const index = store.index('by_title');
return checkAuthorIndexContents(
testCase, index,
'Renaming an index should not change its contents').then(
() => database.close());
});
}, 'IndexedDB index rename to the name of a deleted index succeeds');
promise_test(testCase => {
return createDatabase(testCase, (database, transaction) => {
createBooksStore(testCase, database);
}).then(database => {
database.close();
}).then(() => migrateDatabase(testCase, 2, (database, transaction) => {
const store = transaction.objectStore('books');
store.index('by_author').name = 'tmp';
store.index('by_title').name = 'by_author';
store.index('tmp').name = 'by_title';
assert_array_equals(
store.indexNames, ['by_author', 'by_title'],
'IDBObjectStore.indexNames should reflect the swap immediately ' +
'after the renames');
return checkTitleIndexContents(
testCase, store.index('by_author'),
'Renaming an index should not change its contents');
})).then(database => {
const transaction = database.transaction('books', 'readonly', {durability: 'relaxed'});
const store = transaction.objectStore('books');
assert_array_equals(
store.indexNames, ['by_author', 'by_title'],
'IDBObjectStore.indexNames should still reflect the swap after ' +
'the versionchange transaction commits');
const index = store.index('by_title');
return checkAuthorIndexContents(
testCase, index,
'Renaming an index should not change its contents').then(
() => database.close());
});
}, 'IndexedDB index swapping via renames succeeds');
promise_test(testCase => {
return createDatabase(testCase, (database, transaction) => {
createBooksStore(testCase, database);
}).then(database => {
database.close();
}).then(() => migrateDatabase(testCase, 2, (database, transaction) => {
const store = transaction.objectStore('books');
const index = store.index('by_author');
index.name = 42;
assert_equals(index.name, '42',
'IDBIndex name should change immediately after a rename to a ' +
'number');
assert_array_equals(
store.indexNames, ['42', 'by_title'],
'IDBObjectStore.indexNames should immediately reflect the ' +
'stringifying rename');
index.name = true;
assert_equals(index.name, 'true',
'IDBIndex name should change immediately after a rename to a ' +
'boolean');
index.name = {};
assert_equals(index.name, '[object Object]',
'IDBIndex name should change immediately after a rename to an ' +
'object');
index.name = () => null;
assert_equals(index.name, '() => null',
'IDBIndex name should change immediately after a rename to a ' +
'function');
index.name = undefined;
assert_equals(index.name, 'undefined',
'IDBIndex name should change immediately after a rename to ' +
'undefined');
})).then(database => {
const transaction = database.transaction('books', 'readonly', {durability: 'relaxed'});
const store = transaction.objectStore('books');
assert_array_equals(
store.indexNames, ['by_title', 'undefined'],
'IDBObjectStore.indexNames should reflect the last rename ' +
'after the versionchange transaction commits');
const index = store.index('undefined');
return checkAuthorIndexContents(
testCase, index,
'Renaming an index should not change its contents').then(
() => database.close());
});
}, 'IndexedDB index rename stringifies non-string names');
for (let escapedName of ['', '\\u0000', '\\uDC00\\uD800']) ((escapedName) => {
const name = JSON.parse('"' + escapedName + '"');
promise_test(testCase => {
return createDatabase(testCase, (database, transaction) => {
createBooksStore(testCase, database);
}).then(database => {
database.close();
}).then(() => migrateDatabase(testCase, 2, (database, transaction) => {
const store = transaction.objectStore('books');
const index = store.index('by_author');
index.name = name;
assert_equals(index.name, name,
'IDBIndex name should change immediately after the rename');
assert_array_equals(
store.indexNames, [name, 'by_title'].sort(),
'IDBObjectStore.indexNames should immediately reflect the rename');
})).then(database => {
const transaction = database.transaction('books', 'readonly', {durability: 'relaxed'});
const store = transaction.objectStore('books');
assert_array_equals(
store.indexNames, [name, 'by_title'].sort(),
'IDBObjectStore.indexNames should reflect the rename ' +
'after the versionchange transaction commits');
const index = store.index(name);
return checkAuthorIndexContents(
testCase, index,
'Renaming an index should not change its contents').then(
() => database.close());
});
}, 'IndexedDB index can be renamed to "' + escapedName + '"');
})(escapedName);
</script>
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