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/* Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";

// Avoid test timeouts that can occur while waiting for the "addon-console-works" message.
requestLongerTimeout(2);

const ADDON_NOBG_ID = "test-devtools-webextension-nobg@mozilla.org";
const ADDON_NOBG_NAME = "test-devtools-webextension-nobg";
const ADDON_NOBG_PATH = "addons/test-devtools-webextension-nobg/manifest.json";

const {
  BrowserToolboxProcess
} = Cu.import("resource://devtools/client/framework/ToolboxProcess.jsm", {});

/**
 * This test file ensures that the webextension addon developer toolbox:
 * - the webextension developer toolbox is connected to a fallback page when the
 *   background page is not available (and in the fallback page document body contains
 *   the expected message, which warns the user that the current page is not a real
 *   webextension context);
 */
add_task(function* testWebExtensionsToolboxNoBackgroundPage() {
  let {
    tab, document, debugBtn,
  } = yield setupTestAboutDebuggingWebExtension(ADDON_NOBG_NAME, ADDON_NOBG_PATH);

  // Be careful, this JS function is going to be executed in the addon toolbox,
  // which lives in another process. So do not try to use any scope variable!
  let env = Cc["@mozilla.org/process/environment;1"]
        .getService(Ci.nsIEnvironment);
  let testScript = function () {
    /* eslint-disable no-undef */
    toolbox.selectTool("inspector")
      .then(inspector => {
        return inspector.walker.querySelector(inspector.walker.rootNode, "body");
      })
      .then((nodeActor) => {
        if (!nodeActor) {
          throw new Error("nodeActor not found");
        }

        dump("Got a nodeActor\n");

        if (!(nodeActor.inlineTextChild)) {
          throw new Error("inlineTextChild not found");
        }

        dump("Got a nodeActor with an inline text child\n");

        let expectedValue = "Your addon does not have any document opened yet.";
        let actualValue = nodeActor.inlineTextChild._form.nodeValue;

        if (actualValue !== expectedValue) {
          throw new Error(
            `mismatched inlineTextchild value: "${actualValue}" !== "${expectedValue}"`
          );
        }

        dump("Got the expected inline text content in the selected node\n");
        return Promise.resolve();
      })
      .then(() => toolbox.destroy())
      .catch((error) => {
        dump("Error while running code in the browser toolbox process:\n");
        dump(error + "\n");
        dump("stack:\n" + error.stack + "\n");
      });
    /* eslint-enable no-undef */
  };
  env.set("MOZ_TOOLBOX_TEST_SCRIPT", "new " + testScript);
  registerCleanupFunction(() => {
    env.set("MOZ_TOOLBOX_TEST_SCRIPT", "");
  });

  let onToolboxClose = BrowserToolboxProcess.once("close");
  debugBtn.click();
  yield onToolboxClose;

  ok(true, "Addon toolbox closed");

  yield uninstallAddon({document, id: ADDON_NOBG_ID, name: ADDON_NOBG_NAME});
  yield closeAboutDebugging(tab);
});