gecko-dev/dom/datastore/tests/file_changes.html

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<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>Test for DataStore - basic operation on a readonly db</title>
</head>
<body>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script type="application/javascript;version=1.7">
var gStore;
var gChangeId = null;
var gChangeOperation = null;
function is(a, b, msg) {
alert((a === b ? 'OK' : 'KO') + ' ' + msg)
}
function ok(a, msg) {
alert((a ? 'OK' : 'KO')+ ' ' + msg)
}
function cbError() {
alert('KO error');
}
function finish() {
alert('DONE');
}
function testGetDataStores() {
navigator.getDataStores('foo').then(function(stores) {
is(stores.length, 1, "getDataStores('foo') returns 1 element");
is(stores[0].name, 'foo', 'The dataStore.name is foo');
is(stores[0].readOnly, false, 'The dataStore foo is not in readonly');
gStore = stores[0];
runTest();
}, cbError);
}
function testStoreAdd(value, expectedId) {
gStore.add(value).then(function(id) {
is(id, expectedId, "store.add() is called");
}, cbError);
}
function testStorePut(value, id) {
gStore.put(value, id).then(function(retId) {
is(id, retId, "store.put() is called with the right id");
}, cbError);
}
function testStoreRemove(id, expectedSuccess) {
gStore.remove(id).then(function(success) {
is(success, expectedSuccess, "store.remove() returns the right value");
}, cbError);
}
function testStoreClear() {
gStore.clear().catch(cbError);
}
function eventListener(evt) {
ok(evt instanceof DataStoreChangeEvent, "DataStoreChangeEvent has been received");
ok(evt, "OnChangeListener is called with data");
is(/[0-9a-zA-Z]{8}-[0-9a-zA-Z]{4}-[0-9a-zA-Z]{4}-[0-9a-zA-Z]{4}-[0-9a-zA-Z]{12}/.test(evt.revisionId), true, "event.revisionId returns something");
is(evt.id, gChangeId, "OnChangeListener is called with the right ID: " + evt.id);
is(evt.operation, gChangeOperation, "OnChangeListener is called with the right operation:" + evt.operation + " " + gChangeOperation);
runTest();
}
var tests = [
// Test for GetDataStore
testGetDataStores,
// Add onchange = function
function() {
gStore.onchange = eventListener;
is(gStore.onchange, eventListener, "onChange is set");
runTest();
},
// Add
function() { gChangeId = 1; gChangeOperation = 'added';
testStoreAdd({ number: 42 }, 1); },
// Put
function() { gChangeId = 1; gChangeOperation = 'updated';
testStorePut({ number: 43 }, 1); },
// Remove
function() { gChangeId = 1; gChangeOperation = 'removed';
testStoreRemove(1, true); },
// Clear
function() { gChangeId = null; gChangeOperation = 'cleared';
testStoreClear(); },
// Remove onchange function and replace it with addEventListener
function() {
gStore.onchange = null;
gStore.addEventListener('change', eventListener);
runTest();
},
// Add
function() { gChangeId = 2; gChangeOperation = 'added';
testStoreAdd({ number: 42 }, 2); },
// Put
function() { gChangeId = 2; gChangeOperation = 'updated';
testStorePut({ number: 43 }, 2); },
// Remove
function() { gChangeId = 2; gChangeOperation = 'removed';
testStoreRemove(2, true); },
// Clear
function() { gChangeId = null; gChangeOperation = 'cleared';
testStoreClear(); },
// Remove event listener
function() {
gStore.removeEventListener('change', eventListener);
runTest();
},
];
function runTest() {
if (!tests.length) {
finish();
return;
}
var test = tests.shift();
test();
}
runTest();
</script>
</pre>
</body>
</html>