| /** |
| * 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. |
| */ |
| package com.datatorrent.lib.util.time; |
| |
| import java.math.BigDecimal; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import com.datatorrent.api.Attribute.AttributeMap.DefaultAttributeMap; |
| import com.datatorrent.api.Context.DAGContext; |
| import com.datatorrent.api.Context.OperatorContext; |
| |
| import static com.datatorrent.lib.helper.OperatorContextTestHelper.mockOperatorContext; |
| |
| public class WindowUtilsTest |
| { |
| @Test |
| public void getAppWindowDurationMSTest() |
| { |
| OperatorContext context = createOperatorContext(500, 10); |
| long appWindowDuration = WindowUtils.getAppWindowDurationMs(context); |
| Assert.assertEquals(5000L, appWindowDuration); |
| } |
| |
| @Test |
| public void getAppWindowDurationMSOverflowTest() |
| { |
| OperatorContext context = createOperatorContext(Integer.MAX_VALUE, Integer.MAX_VALUE); |
| long appWindowDuration = WindowUtils.getAppWindowDurationMs(context); |
| |
| Assert.assertEquals(new BigDecimal(Integer.MAX_VALUE).multiply(new BigDecimal(Integer.MAX_VALUE)), |
| new BigDecimal(appWindowDuration)); |
| } |
| |
| @Test |
| public void msToAppWindowCountSimpleTest() |
| { |
| OperatorContext context = createOperatorContext(500, 10); |
| long appWindowCount = WindowUtils.msToAppWindowCount(context, 10000L); |
| Assert.assertEquals(2, appWindowCount); |
| |
| appWindowCount = WindowUtils.msToAppWindowCount(context, 10001L); |
| Assert.assertEquals(3, appWindowCount); |
| } |
| |
| @Test |
| public void msToAppWindowCountRoundingTest() |
| { |
| OperatorContext context = createOperatorContext(500, 10); |
| long appWindowCount = WindowUtils.msToAppWindowCount(context, 10001L); |
| Assert.assertEquals(3, appWindowCount); |
| } |
| |
| @Test |
| public void tpsToTpwSimpleTest() |
| { |
| OperatorContext context = createOperatorContext(100, 1); |
| |
| long tuplesPerWindow = WindowUtils.tpsToTpw(context, 500L); |
| Assert.assertEquals(50L, tuplesPerWindow); |
| |
| } |
| |
| @Test |
| public void tpsToTpwRoundingTest() |
| { |
| OperatorContext context = createOperatorContext(100, 1); |
| |
| long tuplesPerWindow = WindowUtils.tpsToTpw(context, 501L); |
| Assert.assertEquals(51L, tuplesPerWindow); |
| } |
| |
| @Test |
| public void tpsToTpwOverflowTest() |
| { |
| OperatorContext context = createOperatorContext(Integer.MAX_VALUE, 1); |
| |
| boolean overflowException = false; |
| |
| try { |
| WindowUtils.tpsToTpw(context, Long.MAX_VALUE); |
| } catch (Exception e) { |
| overflowException = true; |
| } |
| |
| Assert.assertTrue(overflowException); |
| } |
| |
| public static OperatorContext createOperatorContext(int streamingWindowMillis, int appWindowCount) |
| { |
| DefaultAttributeMap attributeMap = new DefaultAttributeMap(); |
| attributeMap.put(DAGContext.STREAMING_WINDOW_SIZE_MILLIS, streamingWindowMillis); |
| attributeMap.put(OperatorContext.APPLICATION_WINDOW_COUNT, appWindowCount); |
| |
| return mockOperatorContext(1, attributeMap); |
| } |
| } |