Added has message methods (#180)

* Added has message methods

* Added tests

* Added tests

* Added tests

Author: Hakky54

src/main/java/nl/altindag/log/LogCaptor.java

@@ -132,6 +132,35 @@ private <T> List<T> getLogs(Predicate<ILoggingEvent> logEventPredicate, Function
         }
     }
 
+    public boolean hasMessage(String message) {
+        return getLogs().stream().anyMatch(log -> log.contains(message));
+    }
+
+    public boolean hasInfoMessage(String message) {
+        return hasMessage(Level.INFO, message);
+    }
+
+    public boolean hasDebugMessage(String message) {
+        return hasMessage(Level.DEBUG, message);
+    }
+
+    public boolean hasWarnMessage(String message) {
+        return hasMessage(Level.WARN, message);
+    }
+
+    public boolean hasErrorMessage(String message) {
+        return hasMessage(Level.ERROR, message);
+    }
+
+    public boolean hasTraceMessage(String message) {
+        return hasMessage(Level.TRACE, message);
+    }
+
+    private boolean hasMessage(Level level, String message) {
+        return getLogs(logEvent -> logEvent.getLevel() == level, ILoggingEvent::getFormattedMessage).stream()
+                .anyMatch(log -> log.contains(message));
+    }
+
     public void addFilter(Filter<ILoggingEvent> filter) {
         appender.addFilter(filter);
         filter.start();

src/test/java/nl/altindag/log/LogCaptorShould.java

@@ -44,6 +44,7 @@
 import nl.altindag.log.service.lombok.ServiceWithLombokAndSlf4j;
 import nl.altindag.log.service.slfj4.ServiceWithNestedSlf4j;
 import nl.altindag.log.service.slfj4.ServiceWithSlf4j;
+import nl.altindag.log.service.slfj4.ServiceWithSlf4jAllLogLevels;
 import nl.altindag.log.service.slfj4.ServiceWithSlf4jAndCustomException;
 import nl.altindag.log.service.slfj4.ServiceWithSlf4jAndMarkers;
 import nl.altindag.log.service.slfj4.ServiceWithSlf4jAndMdcHeaders;
@@ -476,6 +477,54 @@ void captureLoggingEventsContainingMarkersWithSlf4j() {
         assertThat(childThree.getName()).isEqualTo("Elizabeth");
     }
 
+    @Test
+    void haveHasMessageMethodsForMessages() {
+        logCaptor = LogCaptor.forClass(ServiceWithSlf4jAllLogLevels.class);
+        logCaptor.setLogLevelToTrace();
+
+        Service service = new ServiceWithSlf4jAllLogLevels();
+        service.sayHello();
+
+        assertThat(logCaptor.hasMessage(LogMessage.INFO.getMessage())).isTrue();
+        assertThat(logCaptor.hasMessage(LogMessage.ERROR.getMessage())).isTrue();
+        assertThat(logCaptor.hasMessage(LogMessage.DEBUG.getMessage())).isTrue();
+        assertThat(logCaptor.hasMessage(LogMessage.WARN.getMessage())).isTrue();
+        assertThat(logCaptor.hasMessage(LogMessage.TRACE.getMessage())).isTrue();
+
+        assertThat(logCaptor.hasInfoMessage(LogMessage.INFO.getMessage())).isTrue();
+        assertThat(logCaptor.hasErrorMessage(LogMessage.ERROR.getMessage())).isTrue();
+        assertThat(logCaptor.hasDebugMessage(LogMessage.DEBUG.getMessage())).isTrue();
+        assertThat(logCaptor.hasWarnMessage(LogMessage.WARN.getMessage())).isTrue();
+        assertThat(logCaptor.hasTraceMessage(LogMessage.TRACE.getMessage())).isTrue();
+
+        assertThat(logCaptor.hasInfoMessage(LogMessage.ERROR.getMessage())).isFalse();
+        assertThat(logCaptor.hasInfoMessage(LogMessage.DEBUG.getMessage())).isFalse();
+        assertThat(logCaptor.hasInfoMessage(LogMessage.TRACE.getMessage())).isFalse();
+        assertThat(logCaptor.hasInfoMessage(LogMessage.WARN.getMessage())).isFalse();
+
+        assertThat(logCaptor.hasErrorMessage(LogMessage.INFO.getMessage())).isFalse();
+        assertThat(logCaptor.hasErrorMessage(LogMessage.DEBUG.getMessage())).isFalse();
+        assertThat(logCaptor.hasErrorMessage(LogMessage.TRACE.getMessage())).isFalse();
+        assertThat(logCaptor.hasErrorMessage(LogMessage.WARN.getMessage())).isFalse();
+
+        assertThat(logCaptor.hasDebugMessage(LogMessage.INFO.getMessage())).isFalse();
+        assertThat(logCaptor.hasDebugMessage(LogMessage.ERROR.getMessage())).isFalse();
+        assertThat(logCaptor.hasDebugMessage(LogMessage.TRACE.getMessage())).isFalse();
+        assertThat(logCaptor.hasDebugMessage(LogMessage.WARN.getMessage())).isFalse();
+
+        assertThat(logCaptor.hasTraceMessage(LogMessage.INFO.getMessage())).isFalse();
+        assertThat(logCaptor.hasTraceMessage(LogMessage.ERROR.getMessage())).isFalse();
+        assertThat(logCaptor.hasTraceMessage(LogMessage.DEBUG.getMessage())).isFalse();
+        assertThat(logCaptor.hasTraceMessage(LogMessage.WARN.getMessage())).isFalse();
+
+        assertThat(logCaptor.hasWarnMessage(LogMessage.INFO.getMessage())).isFalse();
+        assertThat(logCaptor.hasWarnMessage(LogMessage.ERROR.getMessage())).isFalse();
+        assertThat(logCaptor.hasWarnMessage(LogMessage.DEBUG.getMessage())).isFalse();
+        assertThat(logCaptor.hasWarnMessage(LogMessage.TRACE.getMessage())).isFalse();
+
+        assertThat(logCaptor.hasMessage("This message is expected to be not expected")).isFalse();
+    }
+
     @Test
     void throwExceptionWhenLoggerImplementationIsNull() {
         try (MockedStatic<LoggerFactory> loggerFactoryMockedStatic = mockStatic(LoggerFactory.class)) {

src/test/java/nl/altindag/log/service/slfj4/ServiceWithSlf4jAllLogLevels.java

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2019 Thunderberry.
+ *
+ * Licensed 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
+ *
+ *      https://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 nl.altindag.log.service.slfj4;
+
+import nl.altindag.log.service.LogMessage;
+import nl.altindag.log.service.Service;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * @author Hakan Altindag
+ */
+public class ServiceWithSlf4jAllLogLevels implements Service {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(ServiceWithSlf4jAllLogLevels.class);
+
+    @Override
+    public void sayHello() {
+        LOGGER.info(LogMessage.INFO.getMessage());
+        LOGGER.warn(LogMessage.WARN.getMessage());
+        LOGGER.error(LogMessage.ERROR.getMessage());
+        LOGGER.trace(LogMessage.TRACE.getMessage());
+
+        if (LOGGER.isDebugEnabled()) {
+            LOGGER.debug(LogMessage.DEBUG.getMessage());
+        }
+    }
+
+}