mirror of
https://github.com/wu736139669/ASHEBShop-h5.git
synced 2026-10-07 19:26:23 +00:00
533 lines
19 KiB
JavaScript
533 lines
19 KiB
JavaScript
'use strict';
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var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
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var _InfiniteLoader = require('./InfiniteLoader');
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var _InfiniteLoader2 = _interopRequireDefault(_InfiniteLoader);
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var _react = require('react');
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var _react2 = _interopRequireDefault(_react);
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var _List = require('../List');
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var _List2 = _interopRequireDefault(_List);
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var _TestUtils = require('../TestUtils');
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
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function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
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function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }
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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 _react2.default.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 _react2.default.createElement(
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_InfiniteLoader2.default,
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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 _react2.default.createElement(_List2.default, {
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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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(0, _TestUtils.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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(0, _TestUtils.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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(0, _TestUtils.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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(0, _TestUtils.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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(0, _TestUtils.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, undefined);
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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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(0, _TestUtils.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, undefined);
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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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(0, _TestUtils.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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(0, _TestUtils.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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(0, _TestUtils.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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(0, _TestUtils.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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(0, _TestUtils.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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(0, _TestUtils.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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(0, _TestUtils.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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(0, _TestUtils.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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(0, _TestUtils.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 = (0, _TestUtils.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((0, _InfiniteLoader.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((0, _InfiniteLoader.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((0, _InfiniteLoader.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((0, _InfiniteLoader.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((0, _InfiniteLoader.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((0, _InfiniteLoader.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((0, _InfiniteLoader.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((0, _InfiniteLoader.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((0, _InfiniteLoader.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, _this, _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 = (_this = _possibleConstructorReturn(this, (_ref12 = TestComponent.__proto__ || Object.getPrototypeOf(TestComponent)).call.apply(_ref12, [this].concat(args))), _this), _this.recomputeGridSize = recomputeGridSize, _temp), _possibleConstructorReturn(_this, _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 _react2.default.createElement('div', null);
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}
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}]);
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return TestComponent;
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}(_react.Component);
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(0, _InfiniteLoader.forceUpdateReactVirtualizedComponent)((0, _TestUtils.render)(_react2.default.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, _this2, _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 = (_this2 = _possibleConstructorReturn(this, (_ref13 = TestComponent.__proto__ || Object.getPrototypeOf(TestComponent)).call.apply(_ref13, [this].concat(args))), _this2), _this2.recomputeRowHeights = recomputeRowHeights, _temp2), _possibleConstructorReturn(_this2, _ret2);
|
|
}
|
|
|
|
_createClass(TestComponent, [{
|
|
key: 'render',
|
|
value: function render() {
|
|
return _react2.default.createElement('div', null);
|
|
}
|
|
}]);
|
|
|
|
return TestComponent;
|
|
}(_react.Component);
|
|
|
|
(0, _InfiniteLoader.forceUpdateReactVirtualizedComponent)((0, _TestUtils.render)(_react2.default.createElement(TestComponent, null)), 10);
|
|
expect(recomputeRowHeights).toHaveBeenCalledTimes(1);
|
|
expect(recomputeRowHeights).toHaveBeenCalledWith(10);
|
|
});
|
|
|
|
it('should call :forceUpdate otherwise', function () {
|
|
var forceUpdate = jest.fn();
|
|
|
|
var TestComponent = function (_Component3) {
|
|
_inherits(TestComponent, _Component3);
|
|
|
|
function TestComponent() {
|
|
var _ref14;
|
|
|
|
var _temp3, _this3, _ret3;
|
|
|
|
_classCallCheck(this, TestComponent);
|
|
|
|
for (var _len3 = arguments.length, args = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
|
|
args[_key3] = arguments[_key3];
|
|
}
|
|
|
|
return _ret3 = (_temp3 = (_this3 = _possibleConstructorReturn(this, (_ref14 = TestComponent.__proto__ || Object.getPrototypeOf(TestComponent)).call.apply(_ref14, [this].concat(args))), _this3), _this3.forceUpdate = forceUpdate, _temp3), _possibleConstructorReturn(_this3, _ret3);
|
|
}
|
|
|
|
_createClass(TestComponent, [{
|
|
key: 'render',
|
|
value: function render() {
|
|
return _react2.default.createElement('div', null);
|
|
}
|
|
}]);
|
|
|
|
return TestComponent;
|
|
}(_react.Component);
|
|
|
|
(0, _InfiniteLoader.forceUpdateReactVirtualizedComponent)((0, _TestUtils.render)(_react2.default.createElement(TestComponent, null)), 10);
|
|
expect(forceUpdate).toHaveBeenCalledTimes(1);
|
|
});
|
|
}); |