browser_browserContext.js

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/* Any copyright is dedicated to the Public Domain.

 * http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

add_task(async function ({ CDP }) {

  // Connect to the server

  const { webSocketDebuggerUrl } = await CDP.Version();

  const client = await CDP({ target: webSocketDebuggerUrl });

  info("CDP client has been instantiated");

  const { Target } = client;

  await getDiscoveredTargets(Target);

  // Test if Target.getBrowserContexts is empty before creatinga ny

  const { browserContextIds: browserContextIdsBefore } =

    await Target.getBrowserContexts();

is(

    browserContextIdsBefore.length,

0,

    "No browser context is open by default"

);

  const { browserContextId } = await Target.createBrowserContext();

  // Test if Target.getBrowserContexts includes the context we just created

  const { browserContextIds } = await Target.getBrowserContexts();

  is(browserContextIds.length, 1, "Got expected length of browser contexts");

is(

    browserContextIds[0],

    browserContextId,

    "Got expected browser context id from getBrowserContexts"

);

  const targetCreated = Target.targetCreated();

  const { targetId } = await Target.createTarget({

    url: "about:blank",

    browserContextId,

});

  ok(!!targetId, "Target.createTarget returns a non-empty target id");

  const { targetInfo } = await targetCreated;

is(

    targetId,

    targetInfo.targetId,

    "targetCreated refers to the same target id"

);

is(

    browserContextId,

    targetInfo.browserContextId,

    "targetCreated refers to the same browser context"

);

  is(targetInfo.type, "page", "The target is a page");

  // Releasing the browser context is going to remove the tab opened when calling createTarget

  await Target.disposeBrowserContext({ browserContextId });

  // Test if Target.getBrowserContexts now is empty

  const { browserContextIds: browserContextIdsAfter } =

    await Target.getBrowserContexts();

is(

    browserContextIdsAfter.length,

0,

    "After closing all browser contexts none is available anymore"

);

  await client.close();

  info("The client is closed");

});