1 /* 2 * Copyright (c) 2013, 2019, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 package com.oracle.java.testlibrary.jfr; 26 27 import java.util.Arrays; 28 import java.util.List; 29 import java.util.stream.Collectors; 30 31 import jdk.jfr.ValueDescriptor; 32 import jdk.jfr.consumer.RecordedObject; 33 import com.oracle.java.testlibrary.Asserts; 34 35 36 public final class EventField { 37 public final RecordedObject event; 38 public final ValueDescriptor desc; 39 40 public EventField(RecordedObject event, ValueDescriptor valueDescriptor) { 41 this.event = event; 42 this.desc = valueDescriptor; 43 } 44 45 @SuppressWarnings("unchecked") 46 public <T extends Comparable<T>> boolean isEqual(T value) { 47 return value == (T)getValue(); 48 } 49 50 @SuppressWarnings("unchecked") 51 public <T extends Comparable<T>> EventField equal(T value) { 52 doAssert(()-> Asserts.assertEquals((T)getValue(), value, getErrMsg("Value not equal to " + value))); 53 return this; 54 } 55 56 @SuppressWarnings("unchecked") 57 public <T extends Comparable<T>> EventField notEqual(T value) { 58 doAssert(()-> Asserts.assertNotEquals((T)getValue(), value, getErrMsg("Value equal to " + value))); 59 return this; 60 } 61 62 @SuppressWarnings("unchecked") 63 public <T extends Comparable<T>> EventField above(T value) { 64 doAssert(()-> Asserts.assertGreaterThan((T)getValue(), value, getErrMsg("Value not above " + value))); 65 return this; 66 } 67 68 @SuppressWarnings("unchecked") 69 public <T extends Comparable<T>> EventField below(T value) { 70 doAssert(()-> Asserts.assertLessThan((T)getValue(), value, getErrMsg("Value not below " + value))); 71 return this; 72 } 73 74 @SuppressWarnings("unchecked") 75 public <T extends Comparable<T>> EventField atLeast(T value) { 76 doAssert(()-> Asserts.assertGreaterThanOrEqual((T)getValue(), value, getErrMsg("Value not atLeast" + value))); 77 return this; 78 } 79 80 @SuppressWarnings("unchecked") 81 public <T extends Comparable<T>> EventField atMost(T value) { 82 doAssert(()-> Asserts.assertLessThanOrEqual((T)getValue(), value, getErrMsg("Value not atMost " + value))); 83 return this; 84 } 85 86 public <T extends Comparable<T>> EventField instring(String part) { 87 final String value = getValue(); 88 doAssert(()-> Asserts.assertTrue(value.contains(part), getErrMsg("Value does not contain '" + part +"'"))); 89 return this; 90 } 91 92 @SuppressWarnings("unchecked") 93 public <T> T getValue() { 94 return (T)event.getValue(desc.getName()); 95 } 96 97 public EventField notNull() { 98 doAssert(()-> Asserts.assertNotNull(getValue(), getErrMsg("Field is null"))); 99 return this; 100 } 101 102 public EventField isNull() { 103 doAssert(()-> Asserts.assertNull(getValue(), getErrMsg("Field is not null"))); 104 return this; 105 } 106 107 public EventField notEmpty() { 108 notNull(); 109 final String s = getValue(); 110 doAssert(()-> Asserts.assertFalse(s.isEmpty(), getErrMsg("Field is empty"))); 111 return this; 112 } 113 114 private void doAssert(AssertFunction f) { 115 try { 116 f.doAssert(); 117 } catch (RuntimeException e) { 118 System.out.printf("Error: %s%nFailed event:%n%s%n", e.getMessage(), event.toString()); 119 throw e; 120 } 121 } 122 123 public EventField containsAny(String... allowed) { 124 final String value = getValue(); 125 final List<String> allowedValues = Arrays.asList(allowed); 126 boolean contains = false; 127 for(String allowedValue : allowed) { 128 if (value.contains(allowedValue)) { 129 contains = true; 130 } 131 } 132 if (!contains) { 133 doAssert(()-> Asserts.fail(getErrMsg(String.format("Value not in (%s)", 134 allowedValues.stream().collect(Collectors.joining(", ")))))); 135 } 136 return this; 137 } 138 139 private String getErrMsg(String msg) { 140 final String name = desc.getName(); 141 final Object value = event.getValue(name); 142 return String.format("%s, field='%s', value='%s'", msg, name, value); 143 } 144 145 @FunctionalInterface 146 public interface AssertFunction { 147 void doAssert(); 148 } 149 }