/*
 * 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.logging.log4j.core.pattern;

import org.apache.logging.log4j.Level;
import org.apache.logging.log4j.core.LogEvent;
import org.apache.logging.log4j.core.config.Configuration;
import org.apache.logging.log4j.core.config.DefaultConfiguration;
import org.apache.logging.log4j.core.impl.Log4jLogEvent;
import org.apache.logging.log4j.message.Message;
import org.apache.logging.log4j.message.SimpleMessage;
import org.junit.Test;

import static org.junit.Assert.*;

/**
 *
 */
public class MessagePatternConverterTest {

    @Test
    public void testPattern() throws Exception {
        final MessagePatternConverter converter = MessagePatternConverter.newInstance(null, null);
        Message msg = new SimpleMessage("Hello!");
        LogEvent event = new Log4jLogEvent("MyLogger", null, null, Level.DEBUG, msg, null);
        StringBuilder sb = new StringBuilder();
        converter.format(event, sb);
        assertTrue("Unexpected result", "Hello!".equals(sb.toString()));
        event = new Log4jLogEvent("MyLogger", null, null, Level.DEBUG, null, null);
        sb = new StringBuilder();
        converter.format(event, sb);
        assertTrue("Incorrect length: " + sb.length(), sb.length() == 0);
        msg = new SimpleMessage(null);
        event = new Log4jLogEvent("MyLogger", null, null, Level.DEBUG, msg, null);
        sb = new StringBuilder();
        converter.format(event, sb);
        assertTrue("Incorrect length: " + sb.length(), sb.length() == 4);

    }

    @Test
    public void testPatternWithConfiguration() throws Exception {
        final Configuration config = new DefaultConfiguration();
        final MessagePatternConverter converter = MessagePatternConverter.newInstance(config, null);
        Message msg = new SimpleMessage("Hello!");
        LogEvent event = new Log4jLogEvent("MyLogger", null, null, Level.DEBUG, msg, null);
        StringBuilder sb = new StringBuilder();
        converter.format(event, sb);
        assertTrue("Unexpected result", "Hello!".equals(sb.toString()));
        event = new Log4jLogEvent("MyLogger", null, null, Level.DEBUG, null, null);
        sb = new StringBuilder();
        converter.format(event, sb);
        assertTrue("Incorrect length: " + sb.length(), sb.length() == 0);
        msg = new SimpleMessage(null);
        event = new Log4jLogEvent("MyLogger", null, null, Level.DEBUG, msg, null);
        sb = new StringBuilder();
        converter.format(event, sb);
        assertTrue("Incorrect length: " + sb.length(), sb.length() == 4);
    }
}

@@ -1720,36 +1720,38 @@
 ;%0A        assert
-True
+Equals
 (%22Unexpected res
@@ -1760,32 +1760,26 @@
 t%22, %22Hello!%22
-.equals(
+, 
 sb.toString(
@@ -1772,33 +1772,32 @@
 , sb.toString())
-)
 ;%0A        event 
@@ -1943,36 +1943,38 @@
 ;%0A        assert
-True
+Equals
 (%22Incorrect leng
@@ -1985,32 +1985,35 @@
 %22 + sb.length(),
+ 0,
  sb.length() == 
@@ -2000,37 +2000,32 @@
 , 0, sb.length()
- == 0
 );%0A        msg =
@@ -2210,36 +2210,38 @@
 ;%0A        assert
-True
+Equals
 (%22Incorrect leng
@@ -2252,32 +2252,35 @@
 %22 + sb.length(),
+ 4,
  sb.length() == 
@@ -2275,21 +2275,16 @@
 length()
- == 4
 );%0A%0A    
@@ -2770,20 +2770,22 @@
   assert
-True
+Equals
 (%22Unexpe
@@ -2810,16 +2810,10 @@
 lo!%22
-.equals(
+, 
 sb.t
@@ -2822,17 +2822,16 @@
 tring())
-)
 ;%0A      
@@ -2985,36 +2985,38 @@
 ;%0A        assert
-True
+Equals
 (%22Incorrect leng
@@ -3027,32 +3027,35 @@
 %22 + sb.length(),
+ 0,
  sb.length() == 
@@ -3054,13 +3054,8 @@
 th()
- == 0
 );%0A 
@@ -3264,12 +3264,14 @@
 sert
-True
+Equals
 (%22In
@@ -3302,16 +3302,19 @@
 ength(),
+ 4,
  sb.leng
@@ -3321,13 +3321,8 @@
 th()
- == 4
 );%0A 

Replace assertTrue with assertEquals.