120 lines
5.0 KiB
JavaScript
120 lines
5.0 KiB
JavaScript
'use strict';
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const test = require('node:test');
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const assert = require('node:assert/strict');
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const { buildDeviceTree, flattenVisibleRows } = require('../device-tree');
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const { createInitialState, reduceSidebar, createSidebarController } = require('../sidebar-controller');
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function fixture() {
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const model = buildDeviceTree({
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sites: [{ id: 's', name: 'Site' }],
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groups: [{ id: 'g', name: 'Group', parentId: 's' }],
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devices: [
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{ id: 'a', name: 'Alpha', siteId: 's', deviceGroupId: 'g' },
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{ id: 'b', name: 'Beta', siteId: 's', deviceGroupId: 'g' },
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],
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});
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return model;
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}
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function visible(model, state) {
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return flattenVisibleRows(model, state);
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}
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test('reducer expands, navigates, selects, collapses, and preserves hidden selection', () => {
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const model = fixture();
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let state = createInitialState();
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let rows = visible(model, state);
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state = reduceSidebar(state, { type: 'KEY', key: 'Home' }, rows);
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assert.equal(state.activeKey, 'site:s');
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state = reduceSidebar(state, { type: 'KEY', key: 'ArrowRight' }, rows);
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assert.ok(state.expandedKeys.has('site:s'));
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rows = visible(model, state);
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state = reduceSidebar(state, { type: 'KEY', key: 'ArrowDown' }, rows);
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assert.equal(state.activeKey, 'group:s:g');
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state = reduceSidebar(state, { type: 'KEY', key: 'ArrowRight' }, rows);
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rows = visible(model, state);
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state = reduceSidebar(state, { type: 'KEY', key: 'ArrowDown' }, rows);
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state = reduceSidebar(state, { type: 'KEY', key: 'Enter' }, rows);
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assert.equal(state.selectedKey, 'camera:a');
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state = reduceSidebar(state, { type: 'ACTIVATE', rowKey: 'site:s' }, rows);
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assert.equal(state.selectedKey, 'camera:a');
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assert.equal(visible(model, state).hiddenSelected, true);
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});
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test('keyboard Left/Right parent behavior, bounds, Space and Escape', () => {
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const model = fixture();
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let state = createInitialState({
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expandedKeys: new Set(['site:s', 'group:s:g']),
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activeKey: 'camera:a',
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searchQuery: 'alpha',
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});
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let rows = visible(model, state);
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state = reduceSidebar(state, { type: 'KEY', key: 'ArrowLeft' }, rows);
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assert.equal(state.activeKey, 'group:s:g');
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state = reduceSidebar(state, { type: 'KEY', key: 'ArrowLeft' }, rows);
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assert.equal(state.expandedKeys.has('group:s:g'), false);
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state = reduceSidebar(state, { type: 'KEY', key: 'End' }, visible(model, state));
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assert.equal(state.activeKey, 'group:s:g');
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state = reduceSidebar(state, { type: 'KEY', key: ' ' }, visible(model, state));
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assert.equal(state.expandedKeys.has('group:s:g'), true);
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state = reduceSidebar(state, { type: 'KEY', key: 'Escape' }, visible(model, state));
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assert.equal(state.searchQuery, '');
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});
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test('malformed and unknown delegated row keys are no-ops', () => {
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const state = createInitialState({ activeKey: 'site:s' });
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const rows = visible(fixture(), state);
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assert.equal(reduceSidebar(state, { type: 'ACTIVATE', rowKey: '__proto__' }, rows), state);
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assert.equal(reduceSidebar(state, { type: 'CLICK', rowKey: 'camera:not-there' }, rows), state);
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});
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test('controller commits exactly once per dispatch through view adapter', () => {
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const model = fixture();
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const commits = [];
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const view = { commit: (snapshot) => commits.push(snapshot) };
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const controller = createSidebarController({ model, view, rowHeight: 28, overscan: 3 });
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assert.equal(commits.length, 1);
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controller.dispatch({ type: 'ACTIVATE', rowKey: 'site:s' });
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assert.equal(commits.length, 2);
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assert.equal(commits[1].state.expandedKeys.has('site:s'), true);
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assert.ok(Array.isArray(commits[1].window.rows));
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const modelReference = controller.getSnapshot().rows;
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controller.refresh();
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assert.equal(commits.length, 3);
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assert.notEqual(controller.getSnapshot().rows, modelReference);
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assert.equal(controller.getSnapshot().rows.length, modelReference.length);
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});
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test('active and selected state survive virtualization and selection is indicated when hidden', () => {
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const model = fixture();
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const commits = [];
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const controller = createSidebarController({ model, view: { commit: (value) => commits.push(value) } });
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controller.dispatch({ type: 'SET_SELECTION', rowKey: 'camera:b' });
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controller.dispatch({ type: 'SET_VIEWPORT', scrollTop: 9999, viewportHeight: 20 });
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const snapshot = commits.at(-1);
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assert.equal(snapshot.state.selectedKey, 'camera:b');
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assert.equal(snapshot.rows.hiddenSelected, true);
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});
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test('controller search temporarily expands matches with one completion commit', async () => {
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const model = fixture();
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const commits = [];
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const scheduled = [];
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const controller = createSidebarController({
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model,
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view: { commit: (value) => commits.push(value) },
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scheduler: (work) => scheduled.push(work),
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chunkSize: 1,
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});
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const pending = controller.search('beta group');
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while (scheduled.length) scheduled.shift()();
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const result = await pending;
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assert.equal(result.count, 1);
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assert.equal(commits.length, 2);
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assert.deepEqual(commits.at(-1).rows.map((row) => row.key), ['site:s', 'group:s:g', 'camera:b']);
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assert.equal(controller.getState().expandedKeys.size, 0);
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});
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