Annotations tests

This commit is contained in:
Emmanuel BENOîT 2015-09-12 14:09:18 +02:00
parent 4366b4198d
commit 4a4ff17cc8
9 changed files with 380 additions and 0 deletions

View file

@ -42,6 +42,15 @@
<github.global.server>github</github.global.server> <github.global.server>github</github.global.server>
</properties> </properties>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
</dependencies>
<build> <build>
<plugins> <plugins>

View file

@ -0,0 +1,13 @@
package info.ebenoit.ebul.reflection;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
@Retention( RetentionPolicy.RUNTIME )
public @interface ATest1
{
// EMPTY
}

View file

@ -0,0 +1,13 @@
package info.ebenoit.ebul.reflection;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
@Retention( RetentionPolicy.RUNTIME )
public @interface ATest2
{
// EMPTY
}

View file

@ -0,0 +1,15 @@
package info.ebenoit.ebul.reflection;
import java.lang.annotation.Inherited;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
@Inherited
@Retention( RetentionPolicy.RUNTIME )
public @interface ATest3
{
// EMPTY
}

View file

@ -0,0 +1,113 @@
package info.ebenoit.ebul.reflection;
@ATest3
public class CTest1
{
public int tf0;
@ATest1
public int tf1;
@ATest2
public int tf2;
int tdf0;
@ATest1
int tdf1;
@ATest2
int tdf2;
protected int tif0;
@ATest1
protected int tif1;
@ATest2
protected int tif2;
@SuppressWarnings( "unused" )
private int tpf0;
@ATest1
private int tpf1;
@ATest2
private int tpf2;
public void tm0( )
{
// EMPTY
}
@ATest1
public void tm1( )
{
// EMPTY
}
@ATest2
public void tm2( )
{
// EMPTY
}
void tdm0( )
{
// EMPTY
}
@ATest1
void tdm1( )
{
// EMPTY
}
@ATest2
void tdm2( )
{
// EMPTY
}
protected void tim0( )
{
// EMPTY
}
@ATest1
protected void tim1( )
{
// EMPTY
}
@ATest2
protected void tim2( )
{
// EMPTY
}
@SuppressWarnings( "unused" )
private void tpm0( )
{
// EMPTY
}
@ATest1
private void tpm1( )
{
// EMPTY
}
@ATest2
private void tpm2( )
{
// EMPTY
}
}

View file

@ -0,0 +1,28 @@
package info.ebenoit.ebul.reflection;
@ATest1
public class CTest2
extends CTest1
{
@ATest2
public int tf1;
@ATest2
private int tpf1;
@ATest2
@Override
public void tm1( )
{
// EMPTY
}
@ATest2
private void tpm0( )
{
// EMPTY
}
}

View file

@ -0,0 +1,9 @@
package info.ebenoit.ebul.reflection;
@ATest1
public class CTest3
extends CTest2
{
// EMPTY
}

View file

@ -0,0 +1,8 @@
package info.ebenoit.ebul.reflection;
public class CTest4
extends CTest3
{
// EMPTY
}

View file

@ -0,0 +1,172 @@
package info.ebenoit.ebul.reflection;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
import org.junit.Assert;
import org.junit.Test;
/**
* Tests for the helper methods in {@link Annotations}
*
* @author <a href="mailto:ebenoit@ebenoit.info">E. Benoît</a>
*/
public class TestAnnotations
{
/**
* Test: {@link Annotations#findAnnotatedMethods(Class, Class)} returns all matching annotated methods in a base
* class
*/
@Test
public void testFindAnnotatedMethodsOnBaseClass( )
{
final ArrayList< Method > methods = Annotations.findAnnotatedMethods( CTest1.class , ATest1.class );
final List< String > mNames = methods.stream( )//
.map( ( final Method m ) -> m.getName( ) )//
.collect( Collectors.toList( ) );
mNames.sort( ( final String a , final String b ) -> a.compareTo( b ) );
Assert.assertArrayEquals( new String[] {
"tdm1" , "tim1" , "tm1" , "tpm1"
} , mNames.toArray( new String[] { } ) );
}
/** Test: {@link Annotations#findAnnotatedMethods(Class, Class)} returns no inherited methods in a child class */
@Test
public void testFindAnnotatedMethodsOnChildClassInheritance( )
{
final ArrayList< Method > methods = Annotations.findAnnotatedMethods( CTest2.class , ATest1.class );
Assert.assertTrue( methods.isEmpty( ) );
}
/** Test: {@link Annotations#findAnnotatedMethods(Class, Class)} returns new methods in a child class */
@Test
public void testFindAnnotatedMethodsOnChildClassNew( )
{
final ArrayList< Method > methods = Annotations.findAnnotatedMethods( CTest2.class , ATest2.class );
final List< String > mNames = methods.stream( )//
.map( ( final Method m ) -> m.getName( ) )//
.collect( Collectors.toList( ) );
mNames.sort( ( final String a , final String b ) -> a.compareTo( b ) );
Assert.assertArrayEquals( new String[] {
"tm1" , "tpm0"
} , mNames.toArray( new String[] { } ) );
}
/**
* Test: {@link Annotations#findAnnotatedFields(Class, Class)} returns all matching annotated fields in a base class
*/
@Test
public void testFindAnnotatedFieldsOnBaseClass( )
{
final ArrayList< Field > fields = Annotations.findAnnotatedFields( CTest1.class , ATest1.class );
final List< String > fNames = fields.stream( )//
.map( ( final Field f ) -> f.getName( ) )//
.collect( Collectors.toList( ) );
fNames.sort( ( final String a , final String b ) -> a.compareTo( b ) );
Assert.assertArrayEquals( new String[] {
"tdf1" , "tf1" , "tif1" , "tpf1"
} , fNames.toArray( new String[] { } ) );
}
/**
* Test: {@link Annotations#findAnnotatedFields(Class, Class)} returns no inherited fields in a child class
*/
@Test
public void testFindAnnotatedFieldsOnChildClassInheritance( )
{
final ArrayList< Field > fields = Annotations.findAnnotatedFields( CTest2.class , ATest1.class );
Assert.assertTrue( fields.isEmpty( ) );
}
/** Test: {@link Annotations#findAnnotatedFields(Class, Class)} returns new fields in a child class */
@Test
public void testFindAnnotatedFieldsOnChildClassNew( )
{
final ArrayList< Field > fields = Annotations.findAnnotatedFields( CTest2.class , ATest2.class );
final List< String > fNames = fields.stream( )//
.map( ( final Field m ) -> m.getName( ) )//
.collect( Collectors.toList( ) );
fNames.sort( ( final String a , final String b ) -> a.compareTo( b ) );
Assert.assertArrayEquals( new String[] {
"tf1" , "tpf1"
} , fNames.toArray( new String[] { } ) );
}
/** Test: {@link Annotations#findClosestClass(Class, Class)} finds first annotated parent */
@Test
public void testFindClosestClassParent( )
{
Assert.assertSame( CTest3.class , Annotations.findClosestClass( CTest4.class , ATest1.class ) );
}
/** Test: {@link Annotations#findClosestClass(Class, Class)} finds directly annotated class */
@Test
public void testFindClosestClassSelf( )
{
Assert.assertSame( CTest3.class , Annotations.findClosestClass( CTest3.class , ATest1.class ) );
}
/** Test: {@link Annotations#findClosestClass(Class, Class)} returns <code>null</code> when no annotation exists */
@Test
public void testFindClosestClassNone( )
{
Assert.assertNull( Annotations.findClosestClass( CTest3.class , ATest2.class ) );
}
/** Test: {@link Annotations#findClosestClass(Class, Class)} returns correct class even for inherited annotations */
@Test
public void testFindClosestClassInherited( )
{
Assert.assertSame( CTest1.class , Annotations.findClosestClass( CTest4.class , ATest3.class ) );
}
/** Test: {@link Annotations#findFarthestClass(Class, Class)} finds last annotated ancestor */
@Test
public void testFindFarthestClassAncestor( )
{
Assert.assertSame( CTest2.class , Annotations.findFarthestClass( CTest4.class , ATest1.class ) );
}
/** Test: {@link Annotations#findFarthestClass(Class, Class)} finds last annotated ancestor on annotated class */
@Test
public void testFindFarthestClassSelf( )
{
Assert.assertSame( CTest2.class , Annotations.findFarthestClass( CTest3.class , ATest1.class ) );
}
/** Test: {@link Annotations#findFarthestClass(Class, Class)} returns <code>null</code> when no annotation exists */
@Test
public void testFindFarthestClassNone( )
{
Assert.assertNull( Annotations.findFarthestClass( CTest3.class , ATest2.class ) );
}
/**
* Test: {@link Annotations#findFarthestClass(Class, Class)} returns correct class even for inherited annotations
*/
@Test
public void testFindFarthestClassInherited( )
{
Assert.assertSame( CTest1.class , Annotations.findFarthestClass( CTest4.class , ATest3.class ) );
}
}