Summary:
Adding support for 2-way references in data engine.
- Columns have an `reverseCol` field, which says "this is a reverse of the given column, update me when that one changes".
- At the time of setting `reverseCol`, we ensure that it's symmetrical to make a 2-way reference.
- Elsewhere we just implement syncing in one direction:
- When `reverseCol` is present, user code is generated with a type like `grist.ReferenceList("Tasks", reverse_of="Assignee")`
- On updating a ref column, we use `prepare_new_values()` method to generate corresponding updates to any column that's a reverse of it.
- The `prepare_new_values()` approach is extended to support this.
- We don't add (or remove) any mappings between rows, and rely on existing mappings (in a ref column's `_relation`) to create reverse updates.
NOTE This is polished version of https://phab.getgrist.com/D4307 with tests and 3 bug fixes
- Column transformation didn't work when transforming RefList to Ref, the reverse column became out of sync
- Tables with reverse columns couldn't be removed
- Setting json arrays to RefList didn't work if arrays contained other things besides ints
Those fixes are covered by new tests.
Test Plan: New tests
Reviewers: georgegevoian, paulfitz, dsagal
Reviewed By: georgegevoian, paulfitz
Subscribers: dsagal
Differential Revision: https://phab.getgrist.com/D4322
dependabot/npm_and_yarn/express-4.20.0
Jarosław Sadziński
1 week ago
parent
0ca70e9d43
commit
1d2cf3de49
@ -0,0 +1,73 @@
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from collections import defaultdict
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import six
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from usertypes import get_referenced_table_id
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class _RefUpdates(object):
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def __init__(self):
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self.removals = set()
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self.additions = set()
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def get_reverse_adjustments(row_ids, old_values, new_values, value_iterator, relation):
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"""
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Generates data for updating reverse columns, based on changes to this column
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"""
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# Stores removals and addons for each target row
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affected_target_rows = defaultdict(_RefUpdates)
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# Iterate over changes to source column (my column)
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for (source_row_id, old_value, new_value) in zip(row_ids, old_values, new_values):
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if new_value != old_value:
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# Treat old_values as removals, and new_values as additions
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for target_row_id in value_iterator(old_value):
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affected_target_rows[target_row_id].removals.add(source_row_id)
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for target_row_id in value_iterator(new_value):
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affected_target_rows[target_row_id].additions.add(source_row_id)
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# Now in affected_target_rows, we have the changes (deltas), now we are going to convert them
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# to updates (full list of values) in target columns.
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adjustments = []
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# For each target row (that needs to be updated, and was change in our column)
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for target_row_id, updates in six.iteritems(affected_target_rows):
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# Get the value stored in that column by using our own relation object (which should store
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# correct values - the same that are stored in that reverse column). `reverse_value` is the
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# value in that reverse cell
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reverse_value = relation.get_affected_rows((target_row_id,))
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# Now make the adjustments using calculated deltas
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for source_row_id in updates.removals:
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reverse_value.discard(source_row_id)
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for source_row_id in updates.additions:
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reverse_value.add(source_row_id)
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adjustments.append((target_row_id, sorted(reverse_value)))
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return adjustments
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def check_desired_reverse_col(col_type, desired_reverse_col):
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if not desired_reverse_col:
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raise ValueError("invalid column specified in reverseCol")
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if desired_reverse_col.reverseCol:
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raise ValueError("reverseCol specifies an existing two-way reference column")
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ref_table_id = get_referenced_table_id(col_type)
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if not ref_table_id:
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raise ValueError("reverseCol may only be set on a column with a reference type")
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if desired_reverse_col.tableId != ref_table_id:
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raise ValueError("reverseCol must be a column in the target table")
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def pick_reverse_col_label(docmodel, col_rec):
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ref_table_id = get_referenced_table_id(col_rec.type)
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ref_table_rec = docmodel.get_table_rec(ref_table_id)
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# First try the source table title.
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source_table_rec = col_rec.parentId
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reverse_label = source_table_rec.rawViewSectionRef.title or source_table_rec.tableId
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# If that name already exists (as a label), add the source column's name as a suffix.
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avoid_set = set(c.label for c in ref_table_rec.columns)
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if reverse_label in avoid_set:
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return reverse_label + "-" + (col_rec.label or col_rec.colId)
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return reverse_label
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File diff suppressed because it is too large
Load Diff
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@ -0,0 +1,382 @@
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import {assert, driver, Key} from 'mocha-webdriver';
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import * as gu from 'test/nbrowser/gristUtils';
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import {Session} from 'test/nbrowser/gristUtils';
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import {setupTestSuite} from 'test/nbrowser/testUtils';
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describe('TwoWayReference', function() {
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this.timeout('3m');
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let session: Session;
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let docId: string;
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const cleanup = setupTestSuite();
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afterEach(() => gu.checkForErrors());
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before(async function() {
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session = await gu.session().login();
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docId = await session.tempNewDoc(cleanup);
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await gu.toggleSidePanel('left', 'close');
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await petsSetup();
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});
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async function petsSetup() {
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await gu.sendActions([
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['RenameColumn', 'Table1', 'A', 'Name'],
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['ModifyColumn', 'Table1', 'Name', {label: 'Name'}],
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['RemoveColumn', 'Table1', 'B'],
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['RemoveColumn', 'Table1', 'C'],
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['RenameTable', 'Table1', 'Owners'],
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['AddTable', 'Pets', [
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{id: 'Name', type: 'Text'},
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{id: 'Owner', type: 'Ref:Owners'},
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]],
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['AddRecord', 'Owners', -1, {Name: 'Alice'}],
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['AddRecord', 'Owners', -2, {Name: 'Bob'}],
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['AddRecord', 'Pets', null, {Name: 'Rex', Owner: -2}],
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]);
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await gu.addNewSection('Table', 'Pets');
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await gu.openColumnPanel('Owner');
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await gu.setRefShowColumn('Name');
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await addReverseColumn('Pets', 'Owner');
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}
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it('deletes tables with 2 way references', async function() {
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const revert = await gu.begin();
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await gu.toggleSidePanel('left', 'open');
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await driver.find('.test-tools-raw').click();
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const removeTable = async (tableId: string) => {
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await driver.findWait(`.test-raw-data-table-menu-${tableId}`, 1000).click();
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await driver.find('.test-raw-data-menu-remove-table').click();
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await driver.find('.test-modal-confirm').click();
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await gu.waitForServer();
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};
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await removeTable('Pets');
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await revert();
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await removeTable('Owners');
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await gu.checkForErrors();
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await revert();
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await gu.openPage('Table1');
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});
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it('detects new columns after modify', async function() {
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const revert = await gu.begin();
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await gu.selectSectionByTitle('Owners');
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await gu.selectColumn('Pets');
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await gu.setType('Reference', {apply: true});
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await gu.setType('Reference List', {apply: true});
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await gu.selectSectionByTitle('Pets');
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await gu.getCell('Owner', 1).click();
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await gu.sendKeys(Key.DELETE);
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await gu.waitForServer();
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await gu.selectSectionByTitle('Owners');
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assert.deepEqual(await gu.getVisibleGridCells('Pets', [1, 2]), ['', '']);
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await revert();
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});
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it('can delete reverse column without an error', async function() {
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const revert = await gu.begin();
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// This can't be tested easily in python as it requries node server for type transformation.
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await gu.toggleSidePanel('left', 'close');
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await gu.toggleSidePanel('right', 'close');
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// Remove the reverse column.
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await gu.selectSectionByTitle('OWNERS');
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await gu.deleteColumn('Pets');
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await gu.checkForErrors();
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// Check data.
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assert.deepEqual(await columns(), [
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['Name'],
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['Name', 'Owner']
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]);
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assert.deepEqual(await gu.getVisibleGridCells('Owner', [1], 'PETS'), ['Bob']);
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await gu.undo();
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// Check data.
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assert.deepEqual(await columns(), [
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['Name', 'Pets'],
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['Name', 'Owner']
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]);
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assert.deepEqual(await gu.getVisibleGridCells('Pets', [1, 2], 'OWNERS'), ['', 'Rex']);
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assert.deepEqual(await gu.getVisibleGridCells('Owner', [1], 'PETS'), ['Bob']);
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// Check that connection works.
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// Make sure we can change data.
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await gu.selectSectionByTitle('PETS');
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await gu.getCell('Owner', 1).click();
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await gu.enterCell('Alice', Key.ENTER);
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await gu.waitForServer();
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await gu.checkForErrors();
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// Check data.
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assert.deepEqual(await gu.getVisibleGridCells('Owner', [1], 'PETS'), ['Alice']);
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assert.deepEqual(await gu.getVisibleGridCells('Pets', [1, 2], 'OWNERS'), ['Rex', '']);
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// Now delete Owner column, and redo it
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await gu.selectSectionByTitle('Pets');
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await gu.deleteColumn('Owner');
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await gu.checkForErrors();
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await gu.undo();
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await gu.checkForErrors();
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// Check data.
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assert.deepEqual(await gu.getVisibleGridCells('Owner', [1], 'PETS'), ['Alice']);
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assert.deepEqual(await gu.getVisibleGridCells('Pets', [1, 2], 'OWNERS'), ['Rex', '']);
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await revert();
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});
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it('breaks connection after removing reverseCol', async function() {
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const revert = await gu.begin();
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// Make sure Rex is owned by Bob, in both tables.
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await gu.assertGridData('OWNERS', [
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[0, "Name", "Pets"],
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[1, "Alice", ""],
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[2, "Bob", "Rex"],
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]);
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await gu.assertGridData("PETS", [
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[0, "Name", "Owner"],
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[1, "Rex", "Bob"],
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]);
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// Now move Rex to Alice.
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await gu.selectSectionByTitle('PETS');
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await gu.getCell('Owner', 1).click();
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await gu.enterCell("Alice", Key.ENTER);
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await gu.waitForServer();
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await gu.assertGridData('OWNERS', [
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[0, "Name", "Pets"],
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[1, "Alice", "Rex"],
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[2, "Bob", ""],
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]);
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// Now remove connection using Owner column.
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await gu.sendActions([['ModifyColumn', 'Pets', 'Owner', {reverseCol: 0}]]);
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await gu.checkForErrors();
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// And check that after moving Rex to Bob, it's not shown in the Owners table.
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await gu.selectSectionByTitle('PETS');
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await gu.getCell('Owner', 1).click();
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await gu.enterCell("Bob", Key.ENTER);
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await gu.waitForServer();
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await gu.checkForErrors();
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await gu.assertGridData('OWNERS', [
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[0, "Name", "Pets"],
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[1, "Alice", "Rex"],
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[2, "Bob", ""],
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]);
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await gu.assertGridData("PETS", [
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[0, "Name", "Owner"],
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[1, "Rex", "Bob"],
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]);
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// Check undo, it should restore the link.
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await gu.undo(2);
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// Rex is now in Alice again in both tables.
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await gu.assertGridData('OWNERS', [
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[0, "Name", "Pets"],
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[1, "Alice", "Rex"],
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[2, "Bob", ""],
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]);
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await gu.assertGridData("PETS", [
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[0, "Name", "Owner"],
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[1, "Rex", "Alice"],
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]);
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// Move Rex to Bob again.
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await gu.selectSectionByTitle('PETS');
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await gu.getCell('Owner', 1).click();
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await gu.enterCell("Bob", Key.ENTER);
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await gu.waitForServer();
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await gu.checkForErrors();
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// And check that connection works.
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await gu.assertGridData('OWNERS', [
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[0, "Name", "Pets"],
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[1, "Alice", ""],
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[2, "Bob", "Rex"],
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]);
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await gu.assertGridData("PETS", [
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[0, "Name", "Owner"],
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[1, "Rex", "Bob"],
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]);
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await revert();
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});
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it('works after reload', async function() {
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const revert = await gu.begin();
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await gu.selectSectionByTitle('OWNERS');
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assert.deepEqual(await gu.getVisibleGridCells('Pets', [1, 2]), ['', 'Rex']);
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await session.createHomeApi().getDocAPI(docId).forceReload();
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await driver.navigate().refresh();
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await gu.waitForDocToLoad();
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// Change Rex owner to Alice.
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await gu.selectSectionByTitle('PETS');
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await gu.getCell('Owner', 1).click();
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await gu.sendKeys('Alice', Key.ENTER);
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await gu.waitForServer();
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await gu.selectSectionByTitle('OWNERS');
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assert.deepEqual(await gu.getVisibleGridCells('Pets', [1, 2]), ['Rex', '']);
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await revert();
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});
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async function projectSetup() {
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await gu.sendActions([
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['AddTable', 'Projects', []],
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['AddTable', 'People', []],
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['AddVisibleColumn', 'Projects', 'Name', {type: 'Text'}],
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['AddVisibleColumn', 'Projects', 'Owner', {type: 'Ref:People'}],
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['AddVisibleColumn', 'People', 'Name', {type: 'Text'}],
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]);
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await gu.addNewPage('Table', 'Projects');
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await gu.addNewSection('Table', 'People');
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await gu.selectSectionByTitle('Projects');
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await gu.openColumnPanel();
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await gu.toggleSidePanel('left', 'close');
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}
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it('undo works for adding reverse column', async function() {
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await projectSetup();
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const revert = await gu.begin();
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assert.deepEqual(await columns(), [
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['Name', 'Owner'],
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['Name']
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]);
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await addReverseColumn('Projects', 'Owner');
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assert.deepEqual(await columns(), [
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['Name', 'Owner'],
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['Name', 'Projects']
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]);
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await gu.undo(1);
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assert.deepEqual(await columns(), [
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['Name', 'Owner'],
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['Name']
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]);
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await gu.redo(1);
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assert.deepEqual(await columns(), [
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['Name', 'Owner'],
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['Name', 'Projects']
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]);
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await revert();
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});
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it('creates proper names when added multiple times', async function() {
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const revert = await gu.begin();
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await addReverseColumn('Projects', 'Owner');
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// Add another reference to Projects from People.
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await gu.selectSectionByTitle('Projects');
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await gu.addColumn('Tester', 'Reference');
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await gu.setRefTable('People');
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||||||
|
await gu.setRefShowColumn('Name');
|
||||||
|
|
||||||
|
// And now show it on People.
|
||||||
|
await addReverseColumn('Projects', 'Tester');
|
||||||
|
|
||||||
|
// We should now see 3 columns on People.
|
||||||
|
await gu.selectSectionByTitle('People');
|
||||||
|
assert.deepEqual(await gu.getColumnNames(), ['Name', 'Projects', 'Projects_Tester']);
|
||||||
|
|
||||||
|
// Add yet another one.
|
||||||
|
await gu.selectSectionByTitle('Projects');
|
||||||
|
await gu.addColumn('PM', 'Reference');
|
||||||
|
await gu.setRefTable('People');
|
||||||
|
await gu.setRefShowColumn('Name');
|
||||||
|
await addReverseColumn('Projects', 'PM');
|
||||||
|
|
||||||
|
// We should now see 4 columns on People.
|
||||||
|
await gu.selectSectionByTitle('People');
|
||||||
|
assert.deepEqual(await gu.getColumnNames(), ['Name', 'Projects', 'Projects_Tester', 'Projects_PM']);
|
||||||
|
|
||||||
|
await revert();
|
||||||
|
});
|
||||||
|
|
||||||
|
it('works well for self reference', async function() {
|
||||||
|
const revert = await gu.begin();
|
||||||
|
|
||||||
|
// Create a new table with task hierarchy and check if looks sane.
|
||||||
|
await gu.addNewPage('Table', 'New Table', {
|
||||||
|
tableName: 'Tasks',
|
||||||
|
});
|
||||||
|
await gu.renameColumn('A', 'Name');
|
||||||
|
await gu.renameColumn('B', 'Parent');
|
||||||
|
await gu.sendActions([
|
||||||
|
['RemoveColumn', 'Tasks', 'C']
|
||||||
|
]);
|
||||||
|
await gu.setType('Reference');
|
||||||
|
await gu.setRefTable('Tasks');
|
||||||
|
await gu.setRefShowColumn('Name');
|
||||||
|
await gu.sendActions([
|
||||||
|
['AddRecord', 'Tasks', -1, {Name: 'Parent'}],
|
||||||
|
['AddRecord', 'Tasks', null, {Name: 'Child', Parent: -1}],
|
||||||
|
]);
|
||||||
|
await gu.openColumnPanel('Parent');
|
||||||
|
await addReverseColumn('Tasks', 'Parent');
|
||||||
|
|
||||||
|
// We should now see 3 columns on Tasks.
|
||||||
|
assert.deepEqual(await gu.getColumnNames(), ['Name', 'Parent', 'Tasks']);
|
||||||
|
|
||||||
|
await gu.openColumnPanel('Tasks');
|
||||||
|
await gu.setRefShowColumn('Name');
|
||||||
|
|
||||||
|
// Check that data looks ok.
|
||||||
|
assert.deepEqual(await gu.getVisibleGridCells('Name', [1, 2]), ['Parent', 'Child']);
|
||||||
|
assert.deepEqual(await gu.getVisibleGridCells('Parent', [1, 2]), ['', 'Parent']);
|
||||||
|
assert.deepEqual(await gu.getVisibleGridCells('Tasks', [1, 2]), ['Child', '']);
|
||||||
|
|
||||||
|
await revert();
|
||||||
|
});
|
||||||
|
|
||||||
|
it('converts from RefList to Ref without problems', async function() {
|
||||||
|
await session.tempNewDoc(cleanup);
|
||||||
|
const revert = await gu.begin();
|
||||||
|
await gu.sendActions([
|
||||||
|
['AddTable', 'People', [
|
||||||
|
{id: 'Name', type: 'Text'},
|
||||||
|
{id: 'Supervisor', type: 'Ref:People'},
|
||||||
|
]],
|
||||||
|
['AddRecord', 'People', 1, {Name: 'Alice'}],
|
||||||
|
['AddRecord', 'People', 4, {Name: 'Bob'}],
|
||||||
|
['UpdateRecord', 'People', 1, {Supervisor: 4}],
|
||||||
|
['UpdateRecord', 'People', 3, {Supervisor: 0}],
|
||||||
|
]);
|
||||||
|
|
||||||
|
await gu.toggleSidePanel('left', 'open');
|
||||||
|
await gu.openPage('People');
|
||||||
|
await gu.openColumnPanel('Supervisor');
|
||||||
|
await gu.setRefShowColumn('Name');
|
||||||
|
|
||||||
|
// Using the convert dialog caused an error, which wasn't raised when doing it manually.
|
||||||
|
await gu.setType('Reference List', {apply: true});
|
||||||
|
await gu.setType('Reference', {apply: true});
|
||||||
|
await gu.checkForErrors();
|
||||||
|
|
||||||
|
await revert();
|
||||||
|
});
|
||||||
|
});
|
||||||
|
|
||||||
|
async function addReverseColumn(tableId: string, colId: string) {
|
||||||
|
await gu.sendActions([
|
||||||
|
['AddReverseColumn', tableId, colId],
|
||||||
|
]);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns an array of column headers for each table in the document.
|
||||||
|
*/
|
||||||
|
async function columns() {
|
||||||
|
const headers: string[][] = [];
|
||||||
|
|
||||||
|
for (const table of await driver.findAll('.gridview_stick-top')) {
|
||||||
|
const cols = await table.findAll('.g-column-label', e => e.getText());
|
||||||
|
headers.push(cols);
|
||||||
|
}
|
||||||
|
return headers;
|
||||||
|
}
|
||||||
Loading…
Reference in new issue