test_delete.js - mozsearch

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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/. */

/**

 * Tests the removal of folders from the database.

*/

add_setup(async function () {

  await installDB("move.sqlite");

});

add_task(function testDelete() {

  const grandparent = folders.getFolderById(1);

  const parent = folders.getFolderById(3);

  const a = folders.getFolderById(4);

  const a1 = folders.getFolderById(5);

  const a2 = folders.getFolderById(6);

  const b = folders.getFolderById(7);

  const b1 = folders.getFolderById(8);

  const c = folders.getFolderById(9);

  const d = folders.getFolderById(10);

  drawTree(parent);

  // Delete a leaf folder.

  folders.deleteFolder(b1);

  checkNoRow(b1.id);

  drawTree(parent);

  Assert.ok(!b1.rootFolder);

  Assert.ok(!b1.parent);

  Assert.deepEqual(b.children, []);

  // Delete a leaf folder with siblings.

  folders.deleteFolder(a1);

  checkNoRow(a1.id);

  drawTree(parent);

  Assert.ok(!a1.rootFolder);

  Assert.ok(!a1.parent);

  Assert.deepEqual(a.children, [a2]);

  // Delete a folder with children.

  folders.deleteFolder(d);

  checkNoRow(d.id);

  drawTree(parent);

  Assert.ok(!d.rootFolder);

  Assert.ok(!d.parent);

  Assert.deepEqual(parent.children, [a, b, c]);

  Assert.throws(

    () => folders.deleteFolder(grandparent),

    /NS_ERROR_UNEXPECTED/,

    "deleteFolder should not allow the deletion of a root folder"

);

  const stmt = database.connection.createStatement(

    "SELECT id FROM folders ORDER BY id"

);

  const remaining = [];

  while (stmt.executeStep()) {

    remaining.push(stmt.row.id);

  stmt.reset();

  stmt.finalize();

  Assert.deepEqual(remaining, [1, 2, 3, 4, 6, 7, 9, 14, 15, 16]);

});