mirror of
https://github.com/wu736139669/ASHEBShop-h5.git
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521 lines
17 KiB
JavaScript
521 lines
17 KiB
JavaScript
import _Object$getPrototypeOf from 'babel-runtime/core-js/object/get-prototype-of';
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import _classCallCheck from 'babel-runtime/helpers/classCallCheck';
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import _createClass from 'babel-runtime/helpers/createClass';
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import _possibleConstructorReturn from 'babel-runtime/helpers/possibleConstructorReturn';
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import _inherits from 'babel-runtime/helpers/inherits';
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import _regeneratorRuntime from 'babel-runtime/regenerator';
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import _Promise from 'babel-runtime/core-js/promise';
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import _asyncToGenerator from 'babel-runtime/helpers/asyncToGenerator';
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var _this = this;
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import InfiniteLoader, { forceUpdateReactVirtualizedComponent, isRangeVisible, scanForUnloadedRanges } from './InfiniteLoader';
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import React, { Component } from 'react';
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import List from '../List';
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import { render } from '../TestUtils';
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describe('InfiniteLoader', function () {
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var innerOnRowsRendered = void 0;
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var isRowLoadedCalls = [];
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var isRowLoadedMap = {};
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var loadMoreRowsCalls = [];
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var rowRendererCalls = [];
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beforeEach(function () {
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isRowLoadedCalls = [];
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isRowLoadedMap = {};
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loadMoreRowsCalls = [];
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rowRendererCalls = [];
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});
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function defaultIsRowLoaded(_ref) {
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var index = _ref.index;
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isRowLoadedCalls.push(index);
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return !!isRowLoadedMap[index];
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}
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function defaultLoadMoreRows(_ref2) {
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var startIndex = _ref2.startIndex,
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stopIndex = _ref2.stopIndex;
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loadMoreRowsCalls.push({ startIndex: startIndex, stopIndex: stopIndex });
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}
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function rowRenderer(_ref3) {
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var index = _ref3.index,
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key = _ref3.key,
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style = _ref3.style;
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rowRendererCalls.push(index);
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return React.createElement('div', { key: key, style: style });
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}
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function getMarkup() {
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var _ref4 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
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_ref4$height = _ref4.height,
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height = _ref4$height === undefined ? 100 : _ref4$height,
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_ref4$isRowLoaded = _ref4.isRowLoaded,
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isRowLoaded = _ref4$isRowLoaded === undefined ? defaultIsRowLoaded : _ref4$isRowLoaded,
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_ref4$loadMoreRows = _ref4.loadMoreRows,
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loadMoreRows = _ref4$loadMoreRows === undefined ? defaultLoadMoreRows : _ref4$loadMoreRows,
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_ref4$minimumBatchSiz = _ref4.minimumBatchSize,
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minimumBatchSize = _ref4$minimumBatchSiz === undefined ? 1 : _ref4$minimumBatchSiz,
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_ref4$rowHeight = _ref4.rowHeight,
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rowHeight = _ref4$rowHeight === undefined ? 20 : _ref4$rowHeight,
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_ref4$rowCount = _ref4.rowCount,
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rowCount = _ref4$rowCount === undefined ? 100 : _ref4$rowCount,
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scrollToIndex = _ref4.scrollToIndex,
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_ref4$threshold = _ref4.threshold,
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threshold = _ref4$threshold === undefined ? 10 : _ref4$threshold,
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_ref4$width = _ref4.width,
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width = _ref4$width === undefined ? 200 : _ref4$width;
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return React.createElement(
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InfiniteLoader,
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{
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isRowLoaded: isRowLoaded,
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loadMoreRows: loadMoreRows,
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minimumBatchSize: minimumBatchSize,
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rowCount: rowCount,
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threshold: threshold
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},
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function (_ref5) {
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var onRowsRendered = _ref5.onRowsRendered,
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registerChild = _ref5.registerChild;
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innerOnRowsRendered = onRowsRendered;
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return React.createElement(List, {
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ref: registerChild,
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height: height,
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onRowsRendered: onRowsRendered,
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rowHeight: rowHeight,
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rowRenderer: rowRenderer,
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rowCount: rowCount,
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scrollToIndex: scrollToIndex,
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width: width
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});
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}
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);
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}
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it('should call :isRowLoaded for all rows within the threshold each time a range of rows are rendered', function () {
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render(getMarkup());
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expect(isRowLoadedCalls).toEqual([0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14]);
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});
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it('should call :isRowLoaded for all rows within the rowCount each time a range of rows are rendered', function () {
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render(getMarkup({ rowCount: 10 }));
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expect(isRowLoadedCalls).toEqual([0, 1, 2, 3, 4, 5, 6, 7, 8, 9]);
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});
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it('should call :loadMoreRows for unloaded rows within the threshold', function () {
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render(getMarkup());
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expect(loadMoreRowsCalls).toEqual([{ startIndex: 0, stopIndex: 14 }]);
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});
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it('should call :loadMoreRows for unloaded rows within the rowCount', function () {
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render(getMarkup({ rowCount: 10 }));
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expect(loadMoreRowsCalls).toEqual([{ startIndex: 0, stopIndex: 9 }]);
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});
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it('should :forceUpdate once rows have loaded if :loadMoreRows returns a Promise', function () {
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var _ref6 = _asyncToGenerator(_regeneratorRuntime.mark(function _callee(done) {
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var savedResolve, loadMoreRows;
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return _regeneratorRuntime.wrap(function _callee$(_context) {
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while (1) {
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switch (_context.prev = _context.next) {
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case 0:
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loadMoreRows = function loadMoreRows() {
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return new _Promise(function (resolve) {
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savedResolve = resolve;
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});
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};
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savedResolve = void 0;
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render(getMarkup({ loadMoreRows: loadMoreRows }));
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rowRendererCalls.splice(0);
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_context.next = 6;
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return savedResolve();
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case 6:
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expect(rowRendererCalls.length > 0).toEqual(true);
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done();
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case 8:
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case 'end':
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return _context.stop();
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}
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}
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}, _callee, _this);
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}));
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return function (_x2) {
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return _ref6.apply(this, arguments);
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};
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}());
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it('should not :forceUpdate once rows have loaded rows are no longer visible', function () {
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var _ref7 = _asyncToGenerator(_regeneratorRuntime.mark(function _callee2(done) {
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var resolves, loadMoreRows;
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return _regeneratorRuntime.wrap(function _callee2$(_context2) {
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while (1) {
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switch (_context2.prev = _context2.next) {
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case 0:
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loadMoreRows = function loadMoreRows() {
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return new _Promise(function (resolve) {
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resolves.push(resolve);
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});
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};
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resolves = [];
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render(getMarkup({ loadMoreRows: loadMoreRows }));
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// Simulate a new range of rows being loaded
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innerOnRowsRendered({ startIndex: 100, stopIndex: 101 });
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rowRendererCalls.splice(0);
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_context2.next = 7;
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return resolves[0]();
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case 7:
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// Resolve the first request only, not the simulated row-change
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expect(rowRendererCalls.length).toEqual(0);
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done();
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case 9:
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case 'end':
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return _context2.stop();
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}
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}
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}, _callee2, _this);
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}));
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return function (_x3) {
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return _ref7.apply(this, arguments);
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};
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}());
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describe('minimumBatchSize', function () {
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it('should respect the specified :minimumBatchSize when scrolling down', function () {
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render(getMarkup({
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minimumBatchSize: 10,
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threshold: 0
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}));
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expect(loadMoreRowsCalls.length).toEqual(1);
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expect(loadMoreRowsCalls).toEqual([{ startIndex: 0, stopIndex: 9 }]);
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});
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it('should respect the specified :minimumBatchSize when scrolling up', function () {
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render(getMarkup({
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minimumBatchSize: 10,
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scrollToIndex: 20,
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threshold: 0
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}));
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loadMoreRowsCalls.splice(0);
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render(getMarkup({
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isRowLoaded: function isRowLoaded(_ref8) {
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var index = _ref8.index;
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return index >= 20;
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},
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minimumBatchSize: 10,
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scrollToIndex: 15,
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threshold: 0
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}));
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expect(loadMoreRowsCalls.length).toEqual(1);
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expect(loadMoreRowsCalls).toEqual([{ startIndex: 10, stopIndex: 19 }]);
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});
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it('should not interfere with :threshold', function () {
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render(getMarkup({
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minimumBatchSize: 10,
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threshold: 10
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}));
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expect(loadMoreRowsCalls.length).toEqual(1);
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expect(loadMoreRowsCalls).toEqual([{ startIndex: 0, stopIndex: 14 }]);
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});
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it('should respect the specified :minimumBatchSize if a user scrolls past the previous range', function () {
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var isRowLoadedIndices = {};
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function isRowLoaded(_ref9) {
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var index = _ref9.index;
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if (!isRowLoadedIndices[index]) {
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isRowLoadedIndices[index] = true;
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return false;
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} else {
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return true;
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}
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}
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render(getMarkup({
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isRowLoaded: isRowLoaded,
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minimumBatchSize: 10,
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threshold: 0
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}));
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// Simulate a new range of rows being loaded
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innerOnRowsRendered({ startIndex: 5, stopIndex: 10 });
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expect(loadMoreRowsCalls).toEqual([{ startIndex: 0, stopIndex: 9 }, { startIndex: 10, stopIndex: 19 }]);
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});
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it('should not exceed ending boundaries if :minimumBatchSize is larger than needed', function () {
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render(getMarkup({
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minimumBatchSize: 10,
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rowCount: 25,
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threshold: 0
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}));
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// Simulate a new range of rows being loaded
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innerOnRowsRendered({ startIndex: 18, stopIndex: 22 });
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expect(loadMoreRowsCalls).toEqual([{ startIndex: 0, stopIndex: 9 }, { startIndex: 15, stopIndex: 24 }]);
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});
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it('should not exceed beginning boundaries if :minimumBatchSize is larger than needed', function () {
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render(getMarkup({
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minimumBatchSize: 10,
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scrollToIndex: 15,
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threshold: 0
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}));
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loadMoreRowsCalls.splice(0);
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render(getMarkup({
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isRowLoaded: function isRowLoaded(_ref10) {
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var index = _ref10.index;
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return index >= 6;
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},
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minimumBatchSize: 10,
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scrollToIndex: 2,
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threshold: 0
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}));
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expect(loadMoreRowsCalls.length).toEqual(1);
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expect(loadMoreRowsCalls).toEqual([{ startIndex: 0, stopIndex: 5 }]);
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});
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});
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// Verifies improved memoization; see bvaughn/react-virtualized/issues/345
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it('should memoize calls to :loadMoreRows (not calling unless unloaded ranges have changed)', function () {
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render(getMarkup({
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isRowLoaded: function isRowLoaded() {
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return false;
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},
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minimumBatchSize: 20,
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threshold: 0
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}));
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expect(loadMoreRowsCalls).toEqual([{ startIndex: 0, stopIndex: 19 }]);
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innerOnRowsRendered({ startIndex: 0, stopIndex: 15 });
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expect(loadMoreRowsCalls).toEqual([{ startIndex: 0, stopIndex: 19 }]);
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loadMoreRowsCalls.splice(0);
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innerOnRowsRendered({ startIndex: 0, stopIndex: 20 });
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expect(loadMoreRowsCalls).toEqual([{ startIndex: 0, stopIndex: 20 }]);
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});
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it('resetLoadMoreRowsCache should reset memoized state', function () {
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var component = render(getMarkup({
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isRowLoaded: function isRowLoaded() {
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return false;
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},
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minimumBatchSize: 20,
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threshold: 0
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}));
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expect(loadMoreRowsCalls).toEqual([{ startIndex: 0, stopIndex: 19 }]);
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innerOnRowsRendered({ startIndex: 0, stopIndex: 15 });
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loadMoreRowsCalls.splice(0);
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expect(loadMoreRowsCalls).toEqual([]);
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component.resetLoadMoreRowsCache();
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innerOnRowsRendered({ startIndex: 0, stopIndex: 15 });
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expect(loadMoreRowsCalls).toEqual([{ startIndex: 0, stopIndex: 19 }]);
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});
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});
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describe('scanForUnloadedRanges', function () {
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function createIsRowLoaded(rows) {
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return function (_ref11) {
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var index = _ref11.index;
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return rows[index];
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};
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}
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it('should return an empty array for a range of rows that have all been loaded', function () {
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expect(scanForUnloadedRanges({
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isRowLoaded: createIsRowLoaded([true, true, true]),
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startIndex: 0,
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stopIndex: 2
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})).toEqual([]);
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});
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it('return a range of only 1 unloaded row', function () {
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expect(scanForUnloadedRanges({
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isRowLoaded: createIsRowLoaded([true, false, true]),
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startIndex: 0,
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stopIndex: 2
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})).toEqual([{ startIndex: 1, stopIndex: 1 }]);
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});
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it('return a range of multiple unloaded rows', function () {
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expect(scanForUnloadedRanges({
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isRowLoaded: createIsRowLoaded([false, false, true]),
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startIndex: 0,
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stopIndex: 2
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})).toEqual([{ startIndex: 0, stopIndex: 1 }]);
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});
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it('return multiple ranges of unloaded rows', function () {
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expect(scanForUnloadedRanges({
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isRowLoaded: createIsRowLoaded([true, false, false, true, false, true, false]),
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startIndex: 0,
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stopIndex: 6
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})).toEqual([{ startIndex: 1, stopIndex: 2 }, { startIndex: 4, stopIndex: 4 }, { startIndex: 6, stopIndex: 6 }]);
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});
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});
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describe('isRangeVisible', function () {
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it('first row(s) are visible', function () {
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expect(isRangeVisible({
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lastRenderedStartIndex: 10,
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lastRenderedStopIndex: 20,
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startIndex: 20,
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stopIndex: 30
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})).toEqual(true);
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});
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it('last row(s) are visible', function () {
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expect(isRangeVisible({
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lastRenderedStartIndex: 10,
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lastRenderedStopIndex: 20,
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startIndex: 0,
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stopIndex: 10
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})).toEqual(true);
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});
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it('all row(s) are visible', function () {
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expect(isRangeVisible({
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lastRenderedStartIndex: 10,
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lastRenderedStopIndex: 20,
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startIndex: 12,
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stopIndex: 14
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})).toEqual(true);
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});
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it('no row(s) are visible', function () {
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expect(isRangeVisible({
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lastRenderedStartIndex: 10,
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lastRenderedStopIndex: 20,
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startIndex: 0,
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stopIndex: 9
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})).toEqual(false);
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expect(isRangeVisible({
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lastRenderedStartIndex: 10,
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lastRenderedStopIndex: 20,
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startIndex: 21,
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stopIndex: 30
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})).toEqual(false);
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});
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});
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describe('forceUpdateReactVirtualizedComponent', function () {
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it('should call :recomputeGridSize if defined', function () {
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var recomputeGridSize = jest.fn();
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var TestComponent = function (_Component) {
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_inherits(TestComponent, _Component);
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function TestComponent() {
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var _ref12;
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var _temp, _this2, _ret;
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_classCallCheck(this, TestComponent);
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for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
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args[_key] = arguments[_key];
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}
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return _ret = (_temp = (_this2 = _possibleConstructorReturn(this, (_ref12 = TestComponent.__proto__ || _Object$getPrototypeOf(TestComponent)).call.apply(_ref12, [this].concat(args))), _this2), _this2.recomputeGridSize = recomputeGridSize, _temp), _possibleConstructorReturn(_this2, _ret);
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}
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_createClass(TestComponent, [{
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key: 'render',
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value: function render() {
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return React.createElement('div', null);
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}
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}]);
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return TestComponent;
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}(Component);
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forceUpdateReactVirtualizedComponent(render(React.createElement(TestComponent, null)), 10);
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expect(recomputeGridSize).toHaveBeenCalledTimes(1);
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expect(recomputeGridSize).toHaveBeenCalledWith(10);
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});
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it('should called :recomputeRowHeights if defined', function () {
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var recomputeRowHeights = jest.fn();
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var TestComponent = function (_Component2) {
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_inherits(TestComponent, _Component2);
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function TestComponent() {
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var _ref13;
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var _temp2, _this3, _ret2;
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_classCallCheck(this, TestComponent);
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for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
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args[_key2] = arguments[_key2];
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}
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return _ret2 = (_temp2 = (_this3 = _possibleConstructorReturn(this, (_ref13 = TestComponent.__proto__ || _Object$getPrototypeOf(TestComponent)).call.apply(_ref13, [this].concat(args))), _this3), _this3.recomputeRowHeights = recomputeRowHeights, _temp2), _possibleConstructorReturn(_this3, _ret2);
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}
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_createClass(TestComponent, [{
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key: 'render',
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value: function render() {
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return React.createElement('div', null);
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}
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}]);
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return TestComponent;
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}(Component);
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forceUpdateReactVirtualizedComponent(render(React.createElement(TestComponent, null)), 10);
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expect(recomputeRowHeights).toHaveBeenCalledTimes(1);
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expect(recomputeRowHeights).toHaveBeenCalledWith(10);
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});
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it('should call :forceUpdate otherwise', function () {
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var forceUpdate = jest.fn();
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var TestComponent = function (_Component3) {
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_inherits(TestComponent, _Component3);
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function TestComponent() {
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var _ref14;
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var _temp3, _this4, _ret3;
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_classCallCheck(this, TestComponent);
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for (var _len3 = arguments.length, args = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
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args[_key3] = arguments[_key3];
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}
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return _ret3 = (_temp3 = (_this4 = _possibleConstructorReturn(this, (_ref14 = TestComponent.__proto__ || _Object$getPrototypeOf(TestComponent)).call.apply(_ref14, [this].concat(args))), _this4), _this4.forceUpdate = forceUpdate, _temp3), _possibleConstructorReturn(_this4, _ret3);
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}
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_createClass(TestComponent, [{
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key: 'render',
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value: function render() {
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return React.createElement('div', null);
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}
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}]);
|
|
|
|
return TestComponent;
|
|
}(Component);
|
|
|
|
forceUpdateReactVirtualizedComponent(render(React.createElement(TestComponent, null)), 10);
|
|
expect(forceUpdate).toHaveBeenCalledTimes(1);
|
|
});
|
|
}); |