| /** |
| * 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 org.apache.metron.common.performance; |
| |
| import static org.hamcrest.CoreMatchers.equalTo; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.mockito.Mockito.any; |
| import static org.mockito.Mockito.anyString; |
| import static org.mockito.Mockito.eq; |
| import static org.mockito.Mockito.never; |
| import static org.mockito.Mockito.times; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| |
| |
| import com.google.common.collect.ImmutableMap; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.function.Supplier; |
| import org.junit.jupiter.api.BeforeEach; |
| import org.junit.jupiter.api.Test; |
| import org.mockito.Mock; |
| import org.mockito.MockitoAnnotations; |
| import org.slf4j.Logger; |
| |
| public class PerformanceLoggerTest { |
| |
| private int thresholdPercent = 10; |
| private Supplier<Map<String, Object>> configSupplier; |
| @Mock |
| private Timing timing; |
| @Mock |
| private ThresholdCalculator thresholdCalc; |
| @Mock |
| private Logger logger; |
| private PerformanceLogger perfLogger; |
| |
| @BeforeEach |
| public void setup() { |
| MockitoAnnotations.initMocks(this); |
| configSupplier = () -> ImmutableMap.of("performance.logging.percent.records", thresholdPercent); |
| when(thresholdCalc.isPast(thresholdPercent)).thenReturn(false).thenReturn(false) |
| .thenReturn(true); |
| when(logger.isDebugEnabled()).thenReturn(true); |
| when(timing.exists("t1")).thenReturn(true); |
| perfLogger = new PerformanceLogger(configSupplier, logger, thresholdCalc, timing); |
| } |
| |
| @Test |
| public void logs_on_threshold() { |
| when(timing.getElapsed("t1")).thenReturn(111L).thenReturn(222L).thenReturn(333L); |
| perfLogger.mark("t1"); |
| perfLogger.log("t1"); |
| perfLogger.log("t1"); |
| perfLogger.log("t1"); |
| verify(timing).mark("t1"); |
| verify(logger, times(1)).debug(anyString(), any(), eq(111L), eq("")); |
| } |
| |
| @Test |
| public void logs_on_threshold_with_message() { |
| when(timing.getElapsed("t1")).thenReturn(111L).thenReturn(222L).thenReturn(333L); |
| perfLogger.mark("t1"); |
| perfLogger.log("t1", "my message"); |
| perfLogger.log("t1", "my message"); |
| perfLogger.log("t1", "my message"); |
| verify(timing).mark("t1"); |
| verify(logger, times(1)).debug(anyString(), any(), eq(111L), eq("my message")); |
| } |
| |
| @Test |
| public void warns_when_logging_nonexisting_marks() { |
| when(thresholdCalc.isPast(thresholdPercent)).thenReturn(true); |
| when(timing.getElapsed("t1")).thenReturn(111L); |
| when(timing.getElapsed("t2")).thenReturn(222L); |
| when(timing.getElapsed("t3")).thenReturn(333L); |
| when(timing.exists("t1")).thenReturn(true); |
| when(timing.exists("t2")).thenReturn(false); |
| when(timing.exists("t3")).thenReturn(false); |
| perfLogger.mark("t1"); |
| perfLogger.log("t1", "my message"); |
| perfLogger.log("t2", "my message"); |
| perfLogger.log("t3", "my message"); |
| verify(timing).mark("t1"); |
| verify(timing, never()).mark("t2"); |
| verify(timing, never()).mark("t3"); |
| verify(logger).debug(anyString(), any(), eq(111L), eq("my message")); |
| verify(logger) |
| .debug(anyString(), eq("WARNING - MARK NOT SET"), eq(222L), eq("my message")); |
| verify(logger) |
| .debug(anyString(), eq("WARNING - MARK NOT SET"), eq(333L), eq("my message")); |
| } |
| |
| @Test |
| public void logs_with_multiple_markers() { |
| when(thresholdCalc.isPast(thresholdPercent)).thenReturn(true); |
| when(timing.getElapsed("t1")).thenReturn(111L); |
| when(timing.getElapsed("t2")).thenReturn(222L); |
| perfLogger.mark("t1"); |
| perfLogger.mark("t2"); |
| perfLogger.log("t2", "my message 2"); |
| perfLogger.log("t1", "my message 1"); |
| verify(timing).mark("t1"); |
| verify(timing).mark("t2"); |
| verify(logger).debug(anyString(), any(), eq(111L), eq("my message 1")); |
| verify(logger).debug(anyString(), any(), eq(222L), eq("my message 2")); |
| } |
| |
| @Test |
| public void defaults_to_1_percent_threshold() { |
| configSupplier = () -> new HashMap<>(); |
| when(thresholdCalc.isPast(1)).thenReturn(false).thenReturn(false) |
| .thenReturn(true); |
| when(timing.getElapsed("t1")).thenReturn(111L).thenReturn(222L).thenReturn(333L); |
| perfLogger.mark("t1"); |
| perfLogger.log("t1", "my message"); |
| perfLogger.log("t1", "my message"); |
| perfLogger.log("t1", "my message"); |
| verify(timing).mark("t1"); |
| verify(logger, times(1)).debug(anyString(), any(), eq(111L), eq("my message")); |
| } |
| |
| @Test |
| public void does_not_log_when_debugging_disabled() { |
| when(logger.isDebugEnabled()).thenReturn(false); |
| when(timing.getElapsed("t1")).thenReturn(111L).thenReturn(222L).thenReturn(333L); |
| perfLogger.mark("t1"); |
| perfLogger.log("t1", "my message"); |
| perfLogger.log("t1", "my message"); |
| perfLogger.log("t1", "my message"); |
| verify(timing).mark("t1"); |
| verify(logger, times(0)).debug(anyString(), any(), eq(111L), eq("my message")); |
| } |
| |
| @Test |
| public void logs_formatted_message_provided_format_args() { |
| when(thresholdCalc.isPast(thresholdPercent)).thenReturn(true); |
| when(timing.getElapsed("t1")).thenReturn(111L).thenReturn(222L).thenReturn(333L) |
| .thenReturn(444L); |
| perfLogger.mark("t1"); |
| perfLogger.log("t1", "my {} message", "1"); |
| perfLogger.log("t1", "my {} message {}", "1", "2"); |
| perfLogger.log("t1", "my {} message {} {}", "1", "2", "3"); |
| perfLogger.log("t1", "my {} message {} {} {}", "1", "2", "3", "4"); |
| verify(timing).mark("t1"); |
| verify(logger, times(1)).debug(anyString(), any(), eq(111L), eq("my 1 message")); |
| verify(logger, times(1)).debug(anyString(), any(), eq(222L), eq("my 1 message 2")); |
| verify(logger, times(1)).debug(anyString(), any(), eq(333L), eq("my 1 message 2 3")); |
| verify(logger, times(1)).debug(anyString(), any(), eq(444L), eq("my 1 message 2 3 4")); |
| } |
| |
| @Test |
| public void isDebugEnabled_returns_true_when_debugging_is_set() { |
| when(logger.isDebugEnabled()).thenReturn(true); |
| assertThat(perfLogger.isDebugEnabled(), equalTo(true)); |
| } |
| |
| } |