BaleenLoggerBuilderTest.java example

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baleen-master
//Dstl (c) Crown Copyright 2017
package uk.gov.dstl.baleen.core.logging;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;

import java.util.Arrays;
import java.util.List;
import java.util.Optional;

import org.junit.Test;

import uk.gov.dstl.baleen.core.logging.builders.BaleenConsoleLoggerBuilder;
import uk.gov.dstl.baleen.core.logging.builders.BaleenFileLoggerBuilder;
import uk.gov.dstl.baleen.core.logging.builders.BaleenLoggerBuilder;
import ch.qos.logback.classic.Level;
import ch.qos.logback.classic.LoggerContext;
import ch.qos.logback.classic.encoder.PatternLayoutEncoder;
import ch.qos.logback.classic.spi.ILoggingEvent;
import ch.qos.logback.core.Appender;
import ch.qos.logback.core.ConsoleAppender;
import ch.qos.logback.core.FileAppender;
import ch.qos.logback.core.encoder.Encoder;
import ch.qos.logback.core.filter.Filter;

/**
 * Test the {@link BaleenLoggerBuilder} implementations.
 *
 * 
 *
 */
public class BaleenLoggerBuilderTest {

	private static final String LOG_FILENAME = "log.filename";
	private static final String NAME = "test";

	/**
	 * Test abstract functions (using console implementation) and the functions
	 * of console
	 *
	 */
	@Test
	public void testAbstractAndConsole() {
		BaleenConsoleLoggerBuilder builder = new BaleenConsoleLoggerBuilder(NAME, BaleenLogging.DEFAULT_PATTERN,
				new MinMaxFilter(Level.INFO, Level.WARN));

		LoggerContext context = new LoggerContext();
		Encoder<ILoggingEvent> encoder = new PatternLayoutEncoder();

		Appender<ILoggingEvent> appender = builder.build(context, encoder);

		assertEquals(NAME, builder.getName());

		assertTrue(appender instanceof ConsoleAppender);
		assertEquals(encoder, ((ConsoleAppender<ILoggingEvent>) appender).getEncoder());

		assertNotNull(appender);
		assertEquals(NAME, appender.getName());
		Filter<ILoggingEvent> filter = appender.getCopyOfAttachedFiltersList().get(0);
		assertTrue(filter instanceof MinMaxFilter);
		assertEquals(Level.INFO, ((MinMaxFilter) filter).getMin());
		assertEquals(Level.WARN, ((MinMaxFilter) filter).getMax());
	}

	@Test
	public void testNullFilters() {
		BaleenConsoleLoggerBuilder singleBuilder = new BaleenConsoleLoggerBuilder(BaleenLogging.DEFAULT_PATTERN,
				(Filter<ILoggingEvent>) null);
		List<Filter<ILoggingEvent>> list = null;
		BaleenConsoleLoggerBuilder listBuilder = new BaleenConsoleLoggerBuilder(BaleenLogging.DEFAULT_PATTERN, list);

		singleBuilder.build(null, null);
		listBuilder.build(null, null);
	}

	@Test
	public void testAbstractAndConsoleMultipleFilters() {
		BaleenConsoleLoggerBuilder builder = new BaleenConsoleLoggerBuilder(NAME, BaleenLogging.DEFAULT_PATTERN,
				Arrays.asList(new MinMaxFilter(Level.INFO, Level.ERROR), new MinMaxFilter(Level.INFO, Level.WARN)));

		LoggerContext context = new LoggerContext();
		Encoder<ILoggingEvent> encoder = new PatternLayoutEncoder();

		Appender<ILoggingEvent> appender = builder.build(context, encoder);

		assertEquals(NAME, builder.getName());

		assertTrue(appender instanceof ConsoleAppender);
		assertEquals(encoder, ((ConsoleAppender<ILoggingEvent>) appender).getEncoder());

		assertNotNull(appender);
		assertEquals(NAME, appender.getName());
		assertEquals(2, appender.getCopyOfAttachedFiltersList().size());
		Filter<ILoggingEvent> filter = appender.getCopyOfAttachedFiltersList().get(0);
		assertTrue(filter instanceof MinMaxFilter);
		assertEquals(Level.INFO, ((MinMaxFilter) filter).getMin());
		assertEquals(Level.ERROR, ((MinMaxFilter) filter).getMax());

		filter = appender.getCopyOfAttachedFiltersList().get(1);
		assertTrue(filter instanceof MinMaxFilter);
		assertEquals(Level.INFO, ((MinMaxFilter) filter).getMin());
		assertEquals(Level.WARN, ((MinMaxFilter) filter).getMax());

		// TODO: Test that both filters are being applied
	}

	@Test
	public void testFileWithDailyRolling() {
		BaleenFileLoggerBuilder builder = new BaleenFileLoggerBuilder(NAME, BaleenLogging.DEFAULT_PATTERN,
				LOG_FILENAME, new MinMaxFilter(Level.INFO, Level.WARN), true, Optional.of(5), Optional.of(10));

		LoggerContext context = new LoggerContext();
		Encoder<ILoggingEvent> encoder = new PatternLayoutEncoder();

		Appender<ILoggingEvent> appender = builder.build(context, encoder);

		assertTrue(appender instanceof FileAppender);
		assertEquals(encoder, ((FileAppender<ILoggingEvent>) appender).getEncoder());

		// TODO: Add tests on the (current private) methods
	}

	@Test
	public void testFileWithDailyRollingWithoutSize() {
		BaleenFileLoggerBuilder builder = new BaleenFileLoggerBuilder(NAME, BaleenLogging.DEFAULT_PATTERN,
				LOG_FILENAME, new MinMaxFilter(Level.INFO, Level.WARN), true, Optional.empty(), Optional.of(10));

		LoggerContext context = new LoggerContext();
		Encoder<ILoggingEvent> encoder = new PatternLayoutEncoder();

		Appender<ILoggingEvent> appender = builder.build(context, encoder);

		assertTrue(appender instanceof FileAppender);
		assertEquals(encoder, ((FileAppender<ILoggingEvent>) appender).getEncoder());

		// TODO: Add tests on the (current private) methods
	}

	@Test
	public void testFileWithoutDailyRolling() {
		BaleenFileLoggerBuilder builder = new BaleenFileLoggerBuilder(NAME, BaleenLogging.DEFAULT_PATTERN,
				LOG_FILENAME, new MinMaxFilter(Level.INFO, Level.WARN), false, Optional.of(5), Optional.of(10));

		LoggerContext context = new LoggerContext();
		Encoder<ILoggingEvent> encoder = new PatternLayoutEncoder();

		Appender<ILoggingEvent> appender = builder.build(context, encoder);

		assertTrue(appender instanceof FileAppender);
		assertEquals(encoder, ((FileAppender<ILoggingEvent>) appender).getEncoder());

		// TODO: Add tests on the (current private) methods
	}
}