| package groovy.util.logging |
| |
| import java.lang.reflect.Field |
| import java.lang.reflect.Modifier |
| |
| /** |
| * Unit test for the commons logging @Log based annotation. |
| * |
| * @author Hamlet D'Arcy |
| * @author Matthias Cullmann |
| * |
| */ |
| class CommonsTest extends GroovyTestCase { |
| |
| PrintStream savedSystemOut |
| ByteArrayOutputStream redirectedSystemOut |
| |
| void setUp() { |
| super.setUp() |
| savedSystemOut = System.out |
| redirectedSystemOut = new ByteArrayOutputStream() |
| System.out = new PrintStream(redirectedSystemOut) |
| } |
| |
| void tearDown() { |
| super.tearDown() |
| System.out = savedSystemOut |
| } |
| |
| void testPrivateFinalStaticLogFieldAppears() { |
| Class clazz = new GroovyClassLoader().parseClass(''' |
| @groovy.util.logging.Commons |
| class MyClass { |
| } ''') |
| |
| assert clazz.declaredFields.find { Field field -> |
| field.name == "log" && |
| Modifier.isPrivate(field.getModifiers()) && |
| Modifier.isStatic(field.getModifiers()) && |
| Modifier.isTransient(field.getModifiers()) && |
| Modifier.isFinal(field.getModifiers()) |
| } |
| } |
| |
| void testPrivateFinalStaticNamedLogFieldAppears() { |
| Class clazz = new GroovyClassLoader().parseClass(''' |
| @groovy.util.logging.Commons('logger') |
| class MyClass { |
| } ''') |
| |
| assert clazz.declaredFields.find { Field field -> |
| field.name == "logger" && |
| Modifier.isPrivate(field.getModifiers()) && |
| Modifier.isStatic(field.getModifiers()) && |
| Modifier.isTransient(field.getModifiers()) && |
| Modifier.isFinal(field.getModifiers()) |
| } |
| } |
| |
| void testClassAlreadyHasLogField() { |
| shouldFail { |
| Class clazz = new GroovyClassLoader().parseClass(''' |
| @groovy.util.logging.Commons |
| class MyClass { |
| String log |
| } ''') |
| |
| assert clazz.newInstance() |
| } |
| } |
| |
| void testClassAlreadyHasNamedLogField() { |
| shouldFail { |
| Class clazz = new GroovyClassLoader().parseClass(''' |
| @groovy.util.logging.Commons('logger') |
| class MyClass { |
| String logger |
| } ''') |
| |
| assert clazz.newInstance() |
| } |
| } |
| |
| void testLogLevelDebug() { |
| Class clazz = new GroovyClassLoader().parseClass(''' |
| @groovy.util.logging.Commons |
| class MyClass { |
| |
| def loggingMethod() { |
| log.error ("error called") |
| log.warn ("warn called") |
| log.info ("info called") |
| log.debug ("debug called") |
| } |
| } |
| new MyClass().loggingMethod() ''') |
| |
| clazz.newInstance().run() |
| |
| String log = redirectedSystemOut.toString() |
| assert log.contains("error called") |
| assert log.contains("warn called") |
| assert log.contains("info called") |
| assert log.contains("debug called") |
| } |
| |
| void testLogFromStaticMethods() { |
| Class clazz = new GroovyClassLoader().parseClass(""" |
| @groovy.util.logging.Commons |
| class MyClass { |
| static loggingMethod() { |
| log.info ("(static) info called") |
| } |
| } |
| MyClass.loggingMethod()""") |
| |
| clazz.newInstance().run() |
| |
| String log = redirectedSystemOut.toString() |
| assert log.contains("(static) info called") |
| } |
| |
| void testNamedLogger() { |
| Class clazz = new GroovyClassLoader().parseClass(''' |
| @groovy.util.logging.Commons('logger') |
| class MyClass { |
| |
| def loggingMethod() { |
| logger.error ("error called") |
| logger.warn ("warn called") |
| logger.info ("info called") |
| logger.debug ("debug called") |
| } |
| } |
| new MyClass().loggingMethod() ''') |
| |
| clazz.newInstance().run() |
| |
| String log = redirectedSystemOut.toString() |
| assert log.contains("error called") |
| assert log.contains("warn called") |
| assert log.contains("info called") |
| assert log.contains("debug called") |
| } |
| |
| void testLogGuards() { |
| Class clazz = new GroovyClassLoader().parseClass(''' |
| class LogDecorator extends groovy.util.Proxy { |
| boolean isTraceEnabled() { false } |
| } |
| |
| @groovy.util.logging.Commons |
| class MyClass { |
| boolean traceCalled = false |
| |
| def loggingMethod() { |
| overrideLog() |
| log.trace (traceCalled = true) |
| } |
| |
| def overrideLog() { |
| def field = MyClass.getDeclaredField('log') |
| field.accessible = true |
| def modifiersField = java.lang.reflect.Field.getDeclaredField("modifiers") |
| modifiersField.accessible = true |
| modifiersField.setInt(field, field.modifiers & ~java.lang.reflect.Modifier.FINAL) |
| field.set(null, new LogDecorator().wrap(log) as org.apache.commons.logging.Log) |
| } |
| } |
| def o = new MyClass() |
| o.loggingMethod() |
| o.traceCalled''') |
| |
| Script s = (Script) clazz.newInstance() |
| def result = s.run() |
| assert !result |
| } |
| |
| void testDefaultCategory() { |
| Class clazz = new GroovyClassLoader().parseClass(""" |
| @groovy.util.logging.Commons |
| class MyClass { |
| static loggingMethod() { |
| log.error("error called") |
| } |
| }""") |
| |
| clazz.newInstance().loggingMethod() |
| |
| assert redirectedSystemOut.toString().contains('MyClass') |
| } |
| |
| void testCustomCategory() { |
| Class clazz = new GroovyClassLoader().parseClass(""" |
| @groovy.util.logging.Commons(category='customCategory') |
| class MyClass { |
| static loggingMethod() { |
| log.error("error called") |
| } |
| }""") |
| |
| clazz.newInstance().loggingMethod() |
| |
| assert redirectedSystemOut.toString().contains('customCategory') |
| } |
| } |