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path: root/devtools/client/netmonitor/test/browser_net_columns_last_column.js
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/* Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

/**
 * Tests that last visible column can't be hidden. Note that the column
 * header is visible only if there are requests in the list.
 */

add_task(async function () {
  const { monitor } = await initNetMonitor(SIMPLE_URL, {
    requestCount: 1,
  });
  info("Starting test... ");

  const { document, store, windowRequire } = monitor.panelWin;
  const Actions = windowRequire("devtools/client/netmonitor/src/actions/index");
  store.dispatch(Actions.batchEnable(false));

  const wait = waitForNetworkEvents(monitor, 1);
  await reloadBrowser();
  await wait;

  const initialColumns = store.getState().ui.columns;
  for (const column in initialColumns) {
    const shown = initialColumns[column];

    const columns = store.getState().ui.columns;
    const visibleColumns = [];
    for (const c in columns) {
      if (columns[c]) {
        visibleColumns.push(c);
      }
    }

    if (visibleColumns.length === 1) {
      if (!shown) {
        continue;
      }
      await testLastMenuItem(column);
      break;
    }

    if (shown) {
      await hideColumn(monitor, column);
    }
  }

  await teardown(monitor);

  async function testLastMenuItem(column) {
    EventUtils.sendMouseEvent(
      { type: "contextmenu" },
      document.querySelector(`#requests-list-${column}-button`)
    );

    const menuItem = getContextMenuItem(
      monitor,
      `request-list-header-${column}-toggle`
    );
    ok(menuItem.disabled, "Last visible column menu item should be disabled.");
  }
});