mozilla-central/remote/shared/messagehandler/test/xpcshell/test_SessionData.js (file symbol)

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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
const { ContextDescriptorType } = ChromeUtils.importESModule(
);
const { RootMessageHandler } = ChromeUtils.importESModule(
);
const { SessionData, SessionDataMethod } = ChromeUtils.importESModule(
);
add_task(async function test_sessionData() {
const sessionData = new SessionData(new RootMessageHandler("session-id-1"));
equal(sessionData.getSessionData("mod", "event").length, 0);
const globalContext = {
type: ContextDescriptorType.All,
};
const otherContext = { type: "other-type", id: "some-id" };
info("Add a first event for the global context");
let updatedItems = sessionData.applySessionData([
createUpdate(SessionDataMethod.Add, globalContext, ["first.event"]),
]);
equal(updatedItems.length, 1, "One item updated");
equal(updatedItems[0].method, SessionDataMethod.Add, "One item added");
let updatedValues = updatedItems[0].values;
equal(updatedValues.length, 1, "One value added");
equal(updatedValues[0], "first.event", "Expected value was added");
checkEvents(sessionData.getSessionData("mod", "event"), [
{
value: "first.event",
contextDescriptor: globalContext,
},
]);
info("Add the exact same data (same module, type, context, value)");
updatedItems = sessionData.applySessionData([
createUpdate(SessionDataMethod.Add, globalContext, ["first.event"]),
]);
equal(updatedItems.length, 0, "No new item updated");
checkEvents(sessionData.getSessionData("mod", "event"), [
{
value: "first.event",
contextDescriptor: globalContext,
},
]);
info("Add another context for the same event");
updatedItems = sessionData.applySessionData([
createUpdate(SessionDataMethod.Add, otherContext, ["first.event"]),
]);
equal(updatedItems.length, 1, "One item updated");
equal(updatedItems[0].method, SessionDataMethod.Add, "One item added");
updatedValues = updatedItems[0].values;
equal(updatedValues.length, 1, "One value added");
equal(updatedValues[0], "first.event", "Expected value was added");
checkEvents(sessionData.getSessionData("mod", "event"), [
{
value: "first.event",
contextDescriptor: globalContext,
},
{
value: "first.event",
contextDescriptor: otherContext,
},
]);
info("Add a second event for the global context");
updatedItems = sessionData.applySessionData([
createUpdate(SessionDataMethod.Add, globalContext, ["second.event"]),
]);
equal(updatedItems.length, 1, "One item updated");
equal(updatedItems[0].method, SessionDataMethod.Add, "One item added");
updatedValues = updatedItems[0].values;
equal(updatedValues.length, 1, "One value added");
equal(updatedValues[0], "second.event", "Expected value was added");
checkEvents(sessionData.getSessionData("mod", "event"), [
{
value: "first.event",
contextDescriptor: globalContext,
},
{
value: "first.event",
contextDescriptor: otherContext,
},
{
value: "second.event",
contextDescriptor: globalContext,
},
]);
info("Add two events for the global context");
updatedItems = sessionData.applySessionData([
createUpdate(SessionDataMethod.Add, globalContext, [
"third.event",
"fourth.event",
]),
]);
equal(updatedItems.length, 1, "One item updated");
equal(updatedItems[0].method, SessionDataMethod.Add, "One item added");
updatedValues = updatedItems[0].values;
equal(updatedValues.length, 2, "Two values added");
equal(updatedValues[0], "third.event", "Expected value was added");
equal(updatedValues[1], "fourth.event", "Expected value was added");
checkEvents(sessionData.getSessionData("mod", "event"), [
{
value: "first.event",
contextDescriptor: globalContext,
},
{
value: "first.event",
contextDescriptor: otherContext,
},
{
value: "second.event",
contextDescriptor: globalContext,
},
{
value: "third.event",
contextDescriptor: globalContext,
},
{
value: "fourth.event",
contextDescriptor: globalContext,
},
]);
info("Remove the second, third and fourth events");
updatedItems = sessionData.applySessionData([
createUpdate(SessionDataMethod.Remove, globalContext, [
"second.event",
"third.event",
"fourth.event",
]),
]);
equal(updatedItems.length, 1, "One item updated");
equal(updatedItems[0].method, SessionDataMethod.Remove, "One item removed");
updatedValues = updatedItems[0].values;
equal(updatedValues.length, 3, "Three values removed");
equal(updatedValues[0], "second.event", "Expected value was removed");
equal(updatedValues[1], "third.event", "Expected value was removed");
equal(updatedValues[2], "fourth.event", "Expected value was removed");
checkEvents(sessionData.getSessionData("mod", "event"), [
{
value: "first.event",
contextDescriptor: globalContext,
},
{
value: "first.event",
contextDescriptor: otherContext,
},
]);
info("Remove the global context from the first event");
updatedItems = sessionData.applySessionData([
createUpdate(SessionDataMethod.Remove, globalContext, ["first.event"]),
]);
equal(updatedItems.length, 1, "One item updated");
equal(updatedItems[0].method, SessionDataMethod.Remove, "One item removed");
updatedValues = updatedItems[0].values;
equal(updatedValues.length, 1, "One value removed");
equal(updatedValues[0], "first.event", "Expected value was removed");
checkEvents(sessionData.getSessionData("mod", "event"), [
{
value: "first.event",
contextDescriptor: otherContext,
},
]);
info("Remove the other context from the first event");
updatedItems = sessionData.applySessionData([
createUpdate(SessionDataMethod.Remove, otherContext, ["first.event"]),
]);
equal(updatedItems.length, 1, "One item updated");
equal(updatedItems[0].method, SessionDataMethod.Remove, "One item removed");
updatedValues = updatedItems[0].values;
equal(updatedValues.length, 1, "One value removed");
equal(updatedValues[0], "first.event", "Expected value was removed");
checkEvents(sessionData.getSessionData("mod", "event"), []);
info("Add two events for different contexts");
updatedItems = sessionData.applySessionData([
createUpdate(SessionDataMethod.Add, otherContext, ["first.event"]),
createUpdate(SessionDataMethod.Add, globalContext, ["second.event"]),
]);
equal(updatedItems.length, 2, "Two items updated");
equal(updatedItems[0].method, SessionDataMethod.Add, "First item added");
updatedValues = updatedItems[0].values;
equal(updatedValues.length, 1, "One value for first item added");
equal(updatedValues[0], "first.event", "Expected value first item was added");
equal(updatedItems[1].method, SessionDataMethod.Add, "Second item added");
updatedValues = updatedItems[1].values;
equal(updatedValues.length, 1, "One value for second item added");
equal(
updatedValues[0],
"second.event",
"Expected value second item was added"
);
checkEvents(sessionData.getSessionData("mod", "event"), [
{
value: "first.event",
contextDescriptor: otherContext,
},
{
value: "second.event",
contextDescriptor: globalContext,
},
]);
info("Remove two events for different contexts");
updatedItems = sessionData.applySessionData([
createUpdate(SessionDataMethod.Remove, otherContext, ["first.event"]),
createUpdate(SessionDataMethod.Remove, globalContext, ["second.event"]),
]);
equal(updatedItems.length, 2, "Two items updated");
equal(updatedItems[0].method, SessionDataMethod.Remove, "First item removed");
updatedValues = updatedItems[0].values;
equal(updatedValues.length, 1, "One value for first item removed");
equal(
updatedValues[0],
"first.event",
"Expected value first item was removed"
);
equal(
updatedItems[1].method,
SessionDataMethod.Remove,
"Second item removed"
);
updatedValues = updatedItems[1].values;
equal(updatedValues.length, 1, "One value for second item removed");
equal(
updatedValues[0],
"second.event",
"Expected value second item was removed"
);
checkEvents(sessionData.getSessionData("mod", "event"), []);
info("Add and remove event in different order");
updatedItems = sessionData.applySessionData([
createUpdate(SessionDataMethod.Remove, otherContext, ["first.event"]),
createUpdate(SessionDataMethod.Add, otherContext, ["first.event"]),
]);
equal(updatedItems.length, 1, "One item updated");
equal(updatedItems[0].method, SessionDataMethod.Add, "One item added");
updatedValues = updatedItems[0].values;
equal(updatedValues.length, 1, "One value added");
equal(updatedValues[0], "first.event", "Expected value was added");
checkEvents(sessionData.getSessionData("mod", "event"), [
{
value: "first.event",
contextDescriptor: otherContext,
},
]);
updatedItems = sessionData.applySessionData([
createUpdate(SessionDataMethod.Add, otherContext, ["first.event"]),
createUpdate(SessionDataMethod.Remove, otherContext, ["first.event"]),
]);
equal(updatedItems.length, 1, "No item update");
equal(updatedItems[0].method, SessionDataMethod.Remove, "One item removed");
updatedValues = updatedItems[0].values;
equal(updatedValues.length, 1, "One value removed");
equal(updatedValues[0], "first.event", "Expected value was removed");
checkEvents(sessionData.getSessionData("mod", "event"), []);
});
function checkEvents(events, expectedEvents) {
// Check the arrays have the same size.
equal(events.length, expectedEvents.length);
// Check all the expectedEvents can be found in the events array.
for (const expected of expectedEvents) {
ok(
events.some(
event =>
expected.contextDescriptor.type === event.contextDescriptor.type &&
expected.contextDescriptor.id === event.contextDescriptor.id &&
expected.value == event.value
)
);
}
}
function createUpdate(method, contextDescriptor, values) {
return {
method,
moduleName: "mod",
category: "event",
contextDescriptor,
values,
};
}