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Add unit tests for org.apache.rocketmq.common.UtilAll (#1249)
These tests were written using Diffblue Cover. Co-authored-by: Eric Hettiaratchi <35978114+Braavos96@users.noreply.github.com>
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Braavos
@@ -0,0 +1,381 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.rocketmq.common;
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import java.io.File;
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import java.io.IOException;
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import java.lang.management.ManagementFactory;
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import java.lang.management.RuntimeMXBean;
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import java.net.InetAddress;
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import java.net.NetworkInterface;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.Enumeration;
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import org.junit.Assert;
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import org.junit.Rule;
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import org.junit.Test;
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import org.junit.rules.ExpectedException;
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import org.junit.rules.TemporaryFolder;
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import org.junit.runner.RunWith;
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import org.powermock.api.mockito.PowerMockito;
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import org.powermock.core.classloader.annotations.PowerMockIgnore;
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import org.powermock.core.classloader.annotations.PrepareForTest;
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import org.powermock.modules.junit4.PowerMockRunner;
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@RunWith(PowerMockRunner.class)
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@PowerMockIgnore("javax.management.*")
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public class UtilAllTests {
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@Rule
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private TemporaryFolder folder = new TemporaryFolder();
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@Rule
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private ExpectedException thrown = ExpectedException.none();
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@PrepareForTest({RuntimeMXBean.class,
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UtilAll.class, ManagementFactory.class})
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@Test
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public void testGetPidIfNotNull() {
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PowerMockito.mockStatic(ManagementFactory.class);
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RuntimeMXBean runtimeMXBean = PowerMockito.mock(RuntimeMXBean.class);
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PowerMockito.when(runtimeMXBean.getName())
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.thenReturn("40@abc.com");
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PowerMockito.doReturn(runtimeMXBean).when(ManagementFactory.class);
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ManagementFactory.getRuntimeMXBean();
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Assert.assertEquals(40, UtilAll.getPid());
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}
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@PrepareForTest({RuntimeMXBean.class,
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UtilAll.class, ManagementFactory.class})
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@Test
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public void testGetPidIfNull() {
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PowerMockito.mockStatic(ManagementFactory.class);
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RuntimeMXBean runtimeMXBean = PowerMockito.mock(RuntimeMXBean.class);
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PowerMockito.when(runtimeMXBean.getName()).thenReturn(null);
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PowerMockito.doReturn(runtimeMXBean).when(ManagementFactory.class);
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ManagementFactory.getRuntimeMXBean();
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Assert.assertEquals(-1, UtilAll.getPid());
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}
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@PrepareForTest({UtilAll.class})
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@Test
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public void testCurrentStackTraceIfNotNull() {
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PowerMockito.mockStatic(Thread.class);
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StackTraceElement stackTraceElement =
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new StackTraceElement("Bar", "foo", "baz", 101);
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PowerMockito.when(Thread.currentThread().getStackTrace())
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.thenReturn(new StackTraceElement[]{stackTraceElement});
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Assert.assertEquals("\n\tBar.foo(baz:101)",
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UtilAll.currentStackTrace());
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}
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@Test
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public void testOffset2FileNameIfInputNotNull() {
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Assert.assertEquals("00000000000000000002",
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UtilAll.offset2FileName(2l));
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Assert.assertEquals("00000001558787014000",
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UtilAll.offset2FileName(1558787014000l));
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}
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@PrepareForTest({UtilAll.class, System.class})
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@Test
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public void testComputeEclipseTimeMillisecondsIfInputNotNull() {
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PowerMockito.mockStatic(System.class);
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PowerMockito.when(System.currentTimeMillis())
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.thenReturn(1558787014000l);
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Assert.assertEquals(2592000000l,
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UtilAll.computeEclipseTimeMilliseconds(1556195014000l));
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}
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@PrepareForTest({Calendar.class, UtilAll.class})
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@Test
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public void testIsItTimeToDoIfCurrentSetTime() {
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Calendar calendar = Calendar.getInstance();
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calendar.setTimeInMillis(1558787014000l);
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PowerMockito.mockStatic(Calendar.class);
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PowerMockito.when(Calendar.getInstance()).thenReturn(calendar);
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Assert.assertTrue(UtilAll.isItTimeToDo("13;12;14"));
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Assert.assertFalse(UtilAll.isItTimeToDo("00;00;00;"));
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}
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@PrepareForTest({UtilAll.class, System.class})
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@Test
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public void testTimeMillisToHumanStringIfCurrentTimeNotNull() {
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PowerMockito.mockStatic(System.class);
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PowerMockito.when(System.currentTimeMillis())
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.thenReturn(1558787014000l);
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Assert.assertEquals("20190525132334000",
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UtilAll.timeMillisToHumanString());
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}
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@Test
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public void testTimeMillisToHumanStringLongIfInputNotNull() {
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Assert.assertEquals("20190525132334000",
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UtilAll.timeMillisToHumanString(1558787014000l));
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}
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@PrepareForTest({System.class, UtilAll.class})
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@Test
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public void testComputNextMorningTimeMillisIfCurrentTimeNotNull() {
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PowerMockito.mockStatic(System.class);
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PowerMockito.when(System.currentTimeMillis())
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.thenReturn(1515585600000L);
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Assert.assertEquals(1515628800000l,
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UtilAll.computNextMorningTimeMillis());
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}
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@PrepareForTest({System.class, UtilAll.class})
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@Test
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public void testComputNextMinutesTimeMillisIfCurrentTimeNotNull() {
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PowerMockito.mockStatic(System.class);
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PowerMockito.when(System.currentTimeMillis())
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.thenReturn(1515585600000L);
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Assert.assertEquals(1515585660000l,
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UtilAll.computNextMinutesTimeMillis());
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}
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@PrepareForTest({System.class, UtilAll.class})
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@Test
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public void testComputNextHourTimeMillisIfCurrentTimeNotNull() {
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PowerMockito.mockStatic(System.class);
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PowerMockito.when(System.currentTimeMillis())
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.thenReturn(1515585600000L);
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Assert.assertEquals(1515589200000l,
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UtilAll.computNextHourTimeMillis());
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}
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@PrepareForTest({UtilAll.class, System.class})
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@Test
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public void testComputNextHalfHourTimeMillisIfCurrentTimeNotNull() {
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PowerMockito.mockStatic(System.class);
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PowerMockito.when(System.currentTimeMillis())
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.thenReturn(1515585600000L);
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Assert.assertEquals(1515591000000l,
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UtilAll.computNextHalfHourTimeMillis());
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}
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@Test
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public void testTimeMillisToHumanString2IfInputNotNull() {
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Assert.assertEquals("2019-04-25 13:23:34,000",
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UtilAll.timeMillisToHumanString2(1556195014000l));
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}
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@Test
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public void testTimeMillisToHumanString3IfInputNotNull() {
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Assert.assertEquals("20190425132334",
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UtilAll.timeMillisToHumanString3(1556195014000l));
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}
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@Test
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public void testGetDiskPartitionSpaceUsedPercentIfFileDoesNotExist() {
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Assert.assertEquals(-1,
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UtilAll.getDiskPartitionSpaceUsedPercent(""), 0);
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Assert.assertEquals(-1,
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UtilAll.getDiskPartitionSpaceUsedPercent(null), 0);
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Assert.assertEquals(-1,
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UtilAll.getDiskPartitionSpaceUsedPercent("foo"), 0);
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}
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@Test
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public void testGetDiskPartitionSpaceUsedPercentIfFileExists()
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throws IOException {
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File file = folder.newFile("foo.txt");
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try {
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Assert.assertNotNull(
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UtilAll.getDiskPartitionSpaceUsedPercent(file.getPath()));
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} finally {
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file.delete();
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folder.delete();
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}
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}
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@Test
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public void testCrc32IfInputNull() {
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Assert.assertEquals(0, UtilAll.crc32(null));
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Assert.assertEquals(0, UtilAll.crc32(new byte[]{}));
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}
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@Test
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public void testCrc32IfInputNotNull() {
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Assert.assertEquals(1438416925, UtilAll.crc32(new byte[]{1, 2, 3}));
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}
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@Test
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public void testBytes2stringIfInputArrayNotEmpty() {
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Assert.assertEquals("010203",
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UtilAll.bytes2string(new byte[]{1, 2, 3}));
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}
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@Test
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public void testBytes2stringIfInputEmptyArray() {
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Assert.assertEquals("", UtilAll.bytes2string(new byte[0]));
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}
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@Test
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public void testString2bytesIfInputNullOrEmptyString() {
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Assert.assertNull(UtilAll.string2bytes(""));
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Assert.assertNull(UtilAll.string2bytes(null));
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}
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@Test
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public void testString2bytesIfInputNotNullOrEmptyString() {
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Assert.assertArrayEquals(new byte[]{-1}, UtilAll.string2bytes("foo"));
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}
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@Test
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public void testUncompressIfInputNotNull() throws IOException {
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byte[] by = new byte[]{120, 1, 1, 3, 0, -4, -1, 1, 2, 3, 0, 13, 0, 7};
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Assert.assertArrayEquals(new byte[]{1, 2, 3}, UtilAll.uncompress(by));
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}
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@Test
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public void testCompressIfInputNotNull() throws IOException {
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byte[] by = new byte[]{120, 1, 1, 3, 0, -4, -1, 1, 2, 3, 0, 13, 0, 7};
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Assert.assertArrayEquals(by, UtilAll.compress(new byte[]{1, 2, 3}, 0));
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}
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@Test
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public void testAsIntIfInputNotNull() {
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Assert.assertEquals(1, UtilAll.asInt("foo", 1));
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Assert.assertEquals(123, UtilAll.asInt("123", 1));
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}
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@Test
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public void testAsLongIfInputNotNull() {
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Assert.assertEquals(1l, UtilAll.asLong("foo", 1l));
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Assert.assertEquals(1556195014000l,
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UtilAll.asLong("1556195014000", 1l));
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}
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@Test
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public void testFormatDateIfInputNotNull() {
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Assert.assertEquals("2019-04-25 13:23:34",
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UtilAll.formatDate(
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new Date(1556195014000l), "yyyy-MM-dd HH:mm:ss"));
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}
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@Test
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public void testParseDateIfInputNotNull() {
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Assert.assertNull(UtilAll.parseDate("2019-04-25 13:23:34", ""));
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Assert.assertEquals(new Date(1556195014000l),
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UtilAll.parseDate(
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"2019-04-25 13:23:34", "yyyy-MM-dd HH:mm:ss"));
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}
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@Test
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public void testResponseCode2StringIfInputNotNull() {
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Assert.assertEquals("2", UtilAll.responseCode2String(2));
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}
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@Test
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public void testFrontStringAtLeastIfInputNotNull() {
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Assert.assertEquals("", UtilAll.frontStringAtLeast("", 2));
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Assert.assertEquals("fo", UtilAll.frontStringAtLeast("foo", 2));
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}
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@Test
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public void testIsBlankIfInputNullOrEmpty() {
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Assert.assertTrue(UtilAll.isBlank(""));
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Assert.assertTrue(UtilAll.isBlank(" "));
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Assert.assertTrue(UtilAll.isBlank(null));
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}
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@Test
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public void testIsBlankIfInputNotNull() {
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Assert.assertFalse(UtilAll.isBlank("foo"));
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}
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@Test
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public void testJstackIfNotNull() {
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Assert.assertNotNull(UtilAll.jstack());
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}
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@Test
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public void testIsInternalIPIfInputNotNull() {
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Assert.assertFalse(UtilAll.isInternalIP(new byte[]{1, 1, 1, 1}));
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Assert.assertTrue(UtilAll.isInternalIP(new byte[]{10, 1, 2, 3}));
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Assert.assertTrue(UtilAll.isInternalIP(
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new byte[]{(byte) 172, 16, 2, 3}));
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Assert.assertTrue(UtilAll.isInternalIP(
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new byte[]{(byte) 192, (byte) 168, 2, 3}));
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}
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@Test
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public void testIsInternalIPIfLengthLessThan4() {
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thrown.expect(RuntimeException.class);
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UtilAll.isInternalIP(new byte[0]);
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// Method is not expected to return due to exception thrown
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}
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@Test
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public void testIpToIPv4StrIfInputNotNull() {
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Assert.assertNull(UtilAll.ipToIPv4Str(new byte[]{1}));
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Assert.assertEquals("10.1.2.3",
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UtilAll.ipToIPv4Str(new byte[]{10, 1, 2, 3}));
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Assert.assertEquals("172.16.2.3",
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UtilAll.ipToIPv4Str(new byte[]{(byte) 172, 16, 2, 3}));
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Assert.assertEquals("192.168.2.3",
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UtilAll.ipToIPv4Str(
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new byte[]{(byte) 192, (byte) 168, 2, 3}));
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}
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@Test
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public void testGetIP1IfCurrentIPNotNull() {
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InetAddress inetAddress = PowerMockito.mock(InetAddress.class);
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PowerMockito.when(inetAddress.getAddress())
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.thenReturn(new byte[]{10, 1, 2, 3});
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Assert.assertArrayEquals(new byte[]{-84, 17, 0, 1}, UtilAll.getIP());
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}
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@Test
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public void testGetIP2IfCurrentIPNotNull() {
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InetAddress inetAddress = PowerMockito.mock(InetAddress.class);
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PowerMockito.when(inetAddress.getAddress()).thenReturn(new byte[]{1});
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Assert.assertArrayEquals(new byte[]{-84, 17, 0, 1}, UtilAll.getIP());
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}
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@PrepareForTest({UtilAll.class, Enumeration.class, NetworkInterface.class})
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@Test
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public void testGetIPOutputRuntimeException() throws Exception {
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PowerMockito.mockStatic(NetworkInterface.class);
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Enumeration enumeration = PowerMockito.mock(Enumeration.class);
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PowerMockito.when(enumeration.hasMoreElements()).thenReturn(false);
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PowerMockito.doReturn(enumeration).when(NetworkInterface.class);
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NetworkInterface.getNetworkInterfaces();
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thrown.expect(RuntimeException.class);
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UtilAll.getIP();
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// Method is not expected to return due to exception thrown
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}
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}
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@@ -439,6 +439,17 @@
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<version>3.10.0</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.powermock</groupId>
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<artifactId>powermock-api-mockito2</artifactId>
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<version>1.7.0RC2</version>
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</dependency>
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<dependency>
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<groupId>org.powermock</groupId>
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<artifactId>powermock-module-junit4</artifactId>
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<version>1.7.0RC2</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<dependencyManagement>
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