tests/odatajs-cache-long-haul-tests.html - olingo-odata4-js - Git at Google

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  * Licensed to the Apache Software Foundation (ASF) under one
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  * to you under the Apache License, Version 2.0 (the
  * "License"); you may not use this file except in compliance
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  *   http://www.apache.org/licenses/LICENSE-2.0
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 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
 <html>
 <head>
     <title>OData Long Haul Tests</title>
     <meta http-equiv="cache-control" content="no-cache" />
     <meta http-equiv="pragma" content="no-cache" />
     <meta http-equiv="expires" content="-1" />
     <script type="text/javascript" src="http://cdnjs.cloudflare.com/ajax/libs/json2/20110223/json2.js"></script>
     <script type="text/javascript" src="http://code.jquery.com/jquery-1.4.4.js"></script>
     <script type="text/javascript" src="../_build/lib/odatajs-latest.js"></script>
     <script type="text/javascript" src="common/common.js"></script>
     <script type="text/javascript" src="common/djstest.js"></script>
     <script type="text/javascript" src="common/djstest-browser-ext.js"></script>
     <script type="text/javascript" src="common/Instrument.js"></script>
     <script type="text/javascript">
         var cache;
         var clearBetweenReads;
         var currentRunTimeMS;
         var failureCount;
         var hourMS = 60 * 60 * 1000;
         var goalRunTimeMS = hourMS;
         var isTotalIncreaseHigh;
         var itemsInCollection = 16;
         var iterationsRun;
         var memoryDelta = 5000000;
         var getBrowserMemorySize;
         var startMemorySize;
         var startTimeMs = 0;
         var testFeed = "http://odata.netflix.com/Catalog/Titles";

         var makeUnexpectedErrorHandler = function () {
             return function (err) {
                 failureCount++;
                 if (failureCount < 50) {
                     $("#errors").append("<p>Iteration: " + iterationsRun + " Error reading cache: " + err.message + "<p>");
                 }
             };
         };

         var checkMemoryIncrease = function (memorySizeBefore) {
             getBrowserMemorySize(function (memorySizeAfter) {
                 var incrementalIncreaseInMemory = memorySizeAfter - memorySizeBefore;
                 var totalIncreaseInMemory = memorySizeAfter - startMemorySize;
                 if (incrementalIncreaseInMemory > memoryDelta) {
                     failureCount++;
                     if (failureCount < 50) {
                         $("#errors").append("<p>Iteration: " + iterationsRun + " Memory usage increase in read: " + incrementalIncreaseInMemory + "<p>");
                     }
                 }

                 if (totalIncreaseInMemory > memoryDelta && !isTotalIncreaseHigh) {
                     isTotalIncreaseHigh = true;
                     failureCount++;
                     if (failureCount < 50) {
                         $("#errors").append("<p>Iteration: " + iterationsRun + " Total memory usage increase over duration: " + totalIncreaseInMemory + "<p>");
                     }
                 }

                 iterationsRun++;
                 nextIteration();
             });
         };

         var readRangePrefetchTest = function () {
             var readPage = 6;

             getBrowserMemorySize(function (memorySizeBefore) {
                 callReadRangeRepeatedly(0, readPage, function () { checkMemoryIncrease(memorySizeBefore) });
             });
         };

         /** Calls readRange over the whole collection and done when all items have been read.
          * @param {Number} index - Index to start the read.
          * @param {String} count - The count of each readRange.
          * @param {Function} done - Function to be called when all items in collection have been read.
          */
         var callReadRangeRepeatedly = function (index, count, done) {

             var cacheRead = function () {
                 cache.readRange(index, count).then(function () {
                     if (index < itemsInCollection) {
                         index += count;
                         callReadRangeRepeatedly(index, count, done);
                     }
                     else {
                         done();
                     }
                 }, makeUnexpectedErrorHandler(cache));
             };

             if (clearBetweenReads) {
                 cache.clear().then(cacheRead(), makeUnexpectedErrorHandler(cache));
             }
             else {
                 cacheRead();
             }
         };

         function startTest() {
             var prefetchSize =
                 $('input[name=PrefetchEnabled]').attr('checked') ? -1 : 0;
             clearBetweenReads = $('input[name=ClearBetweenReads]').attr('checked');
             var inputHours = parseFloat($('#time').val());

             if (inputHours !== undefined && typeof inputHours === "number" && !isNaN(inputHours) && isFinite(inputHours) && inputHours > 0) {
                 goalRunTimeMS = hourMS * inputHours;
             }
             odatajs.oData.net.defaultHttpClient.enableJsonpCallback = true;
             cache = odatajs.cache.createDataCache({ name: "cache" + new Date().valueOf(), source: testFeed, pageSize: 5, prefetchSize: prefetchSize });
             failureCount = 0;
             iterationsRun = 0;
             currentRunTimeMS = 0;
             isTotalIncreaseHigh = false;
             $("#errors").empty();
             getBrowserMemorySize = Instrument.getBrowserMemorySize;
             getBrowserMemorySize(function (memorySizeStart) {
                 startMemorySize = memorySizeStart;
                 $("#starting-memory").text("Starting memory size: " + startMemorySize);
             });
             startTimeMs = new Date().getTime();

             nextIteration();
         }

         function nextIteration() {
             currentRunTimeMS = new Date().getTime() - startTimeMs;
             if (currentRunTimeMS > goalRunTimeMS) {
                 getBrowserMemorySize(function (memorySizeAfter) {
                     $("#stress-status").text("Tests complete. Iterations: " + iterationsRun + " Failures: " + failureCount +
                     " Start memory: " + startMemorySize + " End memory: " + memorySizeAfter);
                 });

                 cache.clear();
                 return;
             }

             if (iterationsRun % 100 === 0) {
                 getBrowserMemorySize(function (memorySizeAfter) {
                     var text = "Running tests (iterationsRun=" + iterationsRun;
                     text += ", Time run: " + currentRunTimeMS + "ms";
                     text += ", Remaining time: " + (goalRunTimeMS - currentRunTimeMS) + "ms";
                     text += "). Failures: " + failureCount;
                     text += " Current memory size: " + memorySizeAfter;
                     $("#stress-status").text(text);
                 });
             }

             readRangePrefetchTest();
         }

         $(document).ready(function () {
             $("#start-button").click(startTest);
         });
     </script>
 </head>
 <body>
     <h1>
         OData Long Haul</h1>
     <p>
         Repeatedly runs an action and checks the memory usage.
     </p>
     <p>
         <input name="time" id="time" type="text" />Length of time to run test</p>
     <p>
         <input type="checkbox" name="PrefetchEnabled" value="false" />Prefetch Enabled</p>
     <p>
         <input type="checkbox" name="ClearBetweenReads" value="false" />Clear Between Reads</p>
     <button id='start-button'>
         Start</button>
     <p id='errors'>
     </p>
     <p id='stress-status'>
     </p>
     <p id='starting-memory'>
     </p>
 </body>
 </html>
	<!--
	/*
	* Licensed to the Apache Software Foundation (ASF) under one
	* or more contributor license agreements. See the NOTICE file
	* distributed with this work for additional information
	* regarding copyright ownership. The ASF licenses this file
	* to you under the Apache License, Version 2.0 (the
	* "License"); you may not use this file except in compliance
	* with the License. You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing,
	* software distributed under the License is distributed on an
	* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
	* KIND, either express or implied. See the License for the
	* specific language governing permissions and limitations
	* under the License.
	*/
	-->
	<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
	<html>
	<head>
	<title>OData Long Haul Tests</title>
	<meta http-equiv="cache-control" content="no-cache" />
	<meta http-equiv="pragma" content="no-cache" />
	<meta http-equiv="expires" content="-1" />
	<script type="text/javascript" src="http://cdnjs.cloudflare.com/ajax/libs/json2/20110223/json2.js"></script>
	<script type="text/javascript" src="http://code.jquery.com/jquery-1.4.4.js"></script>
	<script type="text/javascript" src="../_build/lib/odatajs-latest.js"></script>
	<script type="text/javascript" src="common/common.js"></script>
	<script type="text/javascript" src="common/djstest.js"></script>
	<script type="text/javascript" src="common/djstest-browser-ext.js"></script>
	<script type="text/javascript" src="common/Instrument.js"></script>
	<script type="text/javascript">
	var cache;
	var clearBetweenReads;
	var currentRunTimeMS;
	var failureCount;
	var hourMS = 60 * 60 * 1000;
	var goalRunTimeMS = hourMS;
	var isTotalIncreaseHigh;
	var itemsInCollection = 16;
	var iterationsRun;
	var memoryDelta = 5000000;
	var getBrowserMemorySize;
	var startMemorySize;
	var startTimeMs = 0;
	var testFeed = "http://odata.netflix.com/Catalog/Titles";

	var makeUnexpectedErrorHandler = function () {
	return function (err) {
	failureCount++;
	if (failureCount < 50) {
	$("#errors").append("<p>Iteration: " + iterationsRun + " Error reading cache: " + err.message + "<p>");
	}
	};
	};

	var checkMemoryIncrease = function (memorySizeBefore) {
	getBrowserMemorySize(function (memorySizeAfter) {
	var incrementalIncreaseInMemory = memorySizeAfter - memorySizeBefore;
	var totalIncreaseInMemory = memorySizeAfter - startMemorySize;
	if (incrementalIncreaseInMemory > memoryDelta) {
	failureCount++;
	if (failureCount < 50) {
	$("#errors").append("<p>Iteration: " + iterationsRun + " Memory usage increase in read: " + incrementalIncreaseInMemory + "<p>");
	}
	}

	if (totalIncreaseInMemory > memoryDelta && !isTotalIncreaseHigh) {
	isTotalIncreaseHigh = true;
	failureCount++;
	if (failureCount < 50) {
	$("#errors").append("<p>Iteration: " + iterationsRun + " Total memory usage increase over duration: " + totalIncreaseInMemory + "<p>");
	}
	}

	iterationsRun++;
	nextIteration();
	});
	};

	var readRangePrefetchTest = function () {
	var readPage = 6;

	getBrowserMemorySize(function (memorySizeBefore) {
	callReadRangeRepeatedly(0, readPage, function () { checkMemoryIncrease(memorySizeBefore) });
	});
	};

	/** Calls readRange over the whole collection and done when all items have been read.
	* @param {Number} index - Index to start the read.
	* @param {String} count - The count of each readRange.
	* @param {Function} done - Function to be called when all items in collection have been read.
	*/
	var callReadRangeRepeatedly = function (index, count, done) {

	var cacheRead = function () {
	cache.readRange(index, count).then(function () {
	if (index < itemsInCollection) {
	index += count;
	callReadRangeRepeatedly(index, count, done);
	}
	else {
	done();
	}
	}, makeUnexpectedErrorHandler(cache));
	};

	if (clearBetweenReads) {
	cache.clear().then(cacheRead(), makeUnexpectedErrorHandler(cache));
	}
	else {
	cacheRead();
	}
	};

	function startTest() {
	var prefetchSize =
	$('input[name=PrefetchEnabled]').attr('checked') ? -1 : 0;
	clearBetweenReads = $('input[name=ClearBetweenReads]').attr('checked');
	var inputHours = parseFloat($('#time').val());

	if (inputHours !== undefined && typeof inputHours === "number" && !isNaN(inputHours) && isFinite(inputHours) && inputHours > 0) {
	goalRunTimeMS = hourMS * inputHours;
	}
	odatajs.oData.net.defaultHttpClient.enableJsonpCallback = true;
	cache = odatajs.cache.createDataCache({ name: "cache" + new Date().valueOf(), source: testFeed, pageSize: 5, prefetchSize: prefetchSize });
	failureCount = 0;
	iterationsRun = 0;
	currentRunTimeMS = 0;
	isTotalIncreaseHigh = false;
	$("#errors").empty();
	getBrowserMemorySize = Instrument.getBrowserMemorySize;
	getBrowserMemorySize(function (memorySizeStart) {
	startMemorySize = memorySizeStart;
	$("#starting-memory").text("Starting memory size: " + startMemorySize);
	});
	startTimeMs = new Date().getTime();

	nextIteration();
	}

	function nextIteration() {
	currentRunTimeMS = new Date().getTime() - startTimeMs;
	if (currentRunTimeMS > goalRunTimeMS) {
	getBrowserMemorySize(function (memorySizeAfter) {
	$("#stress-status").text("Tests complete. Iterations: " + iterationsRun + " Failures: " + failureCount +
	" Start memory: " + startMemorySize + " End memory: " + memorySizeAfter);
	});

	cache.clear();
	return;
	}

	if (iterationsRun % 100 === 0) {
	getBrowserMemorySize(function (memorySizeAfter) {
	var text = "Running tests (iterationsRun=" + iterationsRun;
	text += ", Time run: " + currentRunTimeMS + "ms";
	text += ", Remaining time: " + (goalRunTimeMS - currentRunTimeMS) + "ms";
	text += "). Failures: " + failureCount;
	text += " Current memory size: " + memorySizeAfter;
	$("#stress-status").text(text);
	});
	}

	readRangePrefetchTest();
	}

	$(document).ready(function () {
	$("#start-button").click(startTest);
	});
	</script>
	</head>
	<body>
	<h1>
	OData Long Haul</h1>
	<p>
	Repeatedly runs an action and checks the memory usage.
	</p>
	<p>
	<input name="time" id="time" type="text" />Length of time to run test</p>
	<p>
	<input type="checkbox" name="PrefetchEnabled" value="false" />Prefetch Enabled</p>
	<p>
	<input type="checkbox" name="ClearBetweenReads" value="false" />Clear Between Reads</p>
	<button id='start-button'>
	Start</button>
	<p id='errors'>
	</p>
	<p id='stress-status'>
	</p>
	<p id='starting-memory'>
	</p>
	</body>
	</html>