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Tests for MemberFinder

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Missing: test of the static helper methods
This commit is contained in:
Emmanuel BENOîT 2015-09-12 14:44:34 +02:00
parent b2d64ac7bf
commit 97c8e1274a
3 changed files with 204 additions and 0 deletions
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14
src/test/java/info/ebenoit/ebul/reflection/CTest5.java Normal file
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package info.ebenoit.ebul.reflection;
public class CTest5
implements ITest1
{
@Override
public void itm( )
{
// EMPTY
}
}

9
src/test/java/info/ebenoit/ebul/reflection/ITest1.java Normal file
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package info.ebenoit.ebul.reflection;
public interface ITest1
{
public void itm( );
}

181
src/test/java/info/ebenoit/ebul/reflection/TestMemberFinder.java Normal file
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package info.ebenoit.ebul.reflection;
import static org.junit.Assert.*;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
import org.junit.Assert;
import org.junit.Test;
/**
* Tests for the {@link MemberFinder} class
*
* @author <a href="mailto:ebenoit@ebenoit.info">E. Benoît</a>
*/
public class TestMemberFinder
{
/** Test: using {@link MemberFinder} to list all declared methods in a class */
@Test
public void testFindAllMethods( )
{
MemberFinder< Method > mf = new MemberFinder< >( MemberFinder.METHOD_EXTRACTOR , false );
ArrayList< Method > output = new ArrayList< >( );
mf.find( output , Object.class );
ArrayList< Method > expected = new ArrayList< >( Arrays.asList( Object.class.getDeclaredMethods( ) ) );
assertEquals( expected , output );
}
/** Test: using {@link MemberFinder} to list all declared methods in a class and its parent */
@Test
public void testFindAllMethodsParent( )
{
MemberFinder< Method > mf = new MemberFinder< >( MemberFinder.METHOD_EXTRACTOR , false );
ArrayList< Method > output = new ArrayList< >( );
mf.find( output , CTest1.class );
ArrayList< Method > expected = new ArrayList< >( Arrays.asList( CTest1.class.getDeclaredMethods( ) ) );
expected.addAll( Arrays.asList( Object.class.getDeclaredMethods( ) ) );
assertEquals( expected , output );
}
/** Test: using {@link MemberFinder} to list all declared fields in a class */
@Test
public void testFindAllFields( )
{
MemberFinder< Field > mf = new MemberFinder< >( MemberFinder.FIELD_EXTRACTOR , false );
ArrayList< Field > output = new ArrayList< >( );
mf.find( output , Object.class );
ArrayList< Field > expected = new ArrayList< >( Arrays.asList( Object.class.getDeclaredFields( ) ) );
assertEquals( expected , output );
}
/** Test: using {@link MemberFinder} to list all declared fields in a class and its parent */
@Test
public void testFindAllFieldsParent( )
{
MemberFinder< Field > mf = new MemberFinder< >( MemberFinder.FIELD_EXTRACTOR , false );
ArrayList< Field > output = new ArrayList< >( );
mf.find( output , CTest1.class );
ArrayList< Field > expected = new ArrayList< >( Arrays.asList( CTest1.class.getDeclaredFields( ) ) );
expected.addAll( Arrays.asList( Object.class.getDeclaredFields( ) ) );
assertEquals( expected , output );
}
/** Test: {@link MemberFinder} class filtering */
@Test
public void testClassFiltering( )
{
MemberFinder< Method > mf = new MemberFinder< >( MemberFinder.METHOD_EXTRACTOR , false );
mf.setClassFilter( ( Class< ? > c ) -> c != Object.class );
ArrayList< Method > output = new ArrayList< >( );
mf.find( output , CTest1.class );
ArrayList< Method > expected = new ArrayList< >( Arrays.asList( CTest1.class.getDeclaredMethods( ) ) );
assertEquals( expected , output );
}
/** Test: {@link MemberFinder} member filtering */
@Test
public void testMemberFiltering( )
{
MemberFinder< Method > mf = new MemberFinder< >( MemberFinder.METHOD_EXTRACTOR , false );
mf.setMemberFilter( ( Method m ) -> m.isAnnotationPresent( ATest1.class ) );
ArrayList< Method > output = new ArrayList< >( );
mf.find( output , CTest1.class );
final List< String > mNames = output.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 MemberFinder} support for interfaces (order-independent) */
@Test
public void testInterfaces( )
{
MemberFinder< Method > mf = new MemberFinder< >( MemberFinder.METHOD_EXTRACTOR , true );
ArrayList< Method > output = new ArrayList< >( );
mf.find( output , CTest5.class );
final List< String > result = output.stream( )//
.map( ( final Method m ) -> m.getDeclaringClass( ).getName( ) + "." + m.getName( ) )//
.collect( Collectors.toList( ) );
result.sort( ( final String a , final String b ) -> a.compareTo( b ) );
final ArrayList< Method > allMethods = new ArrayList< >( Arrays.asList( Object.class.getDeclaredMethods( ) ) );
allMethods.addAll( Arrays.asList( CTest5.class.getDeclaredMethods( ) ) );
allMethods.addAll( Arrays.asList( ITest1.class.getDeclaredMethods( ) ) );
final List< String > expected = allMethods.stream( )//
.map( ( final Method m ) -> m.getDeclaringClass( ).getName( ) + "." + m.getName( ) )//
.collect( Collectors.toList( ) );
expected.sort( ( final String a , final String b ) -> a.compareTo( b ) );
assertEquals( expected , result );
}
/** Test: {@link MemberFinder} support for interfaces: processing before superclasses */
@Test
public void testInterfacesBeforeClasses( )
{
MemberFinder< Method > mf = new MemberFinder< >( MemberFinder.METHOD_EXTRACTOR , true );
mf.setClassesFirst( false );
ArrayList< Method > output = new ArrayList< >( );
mf.find( output , CTest5.class );
final ArrayList< Method > expected = new ArrayList< >( Arrays.asList( CTest5.class.getDeclaredMethods( ) ) );
expected.addAll( Arrays.asList( ITest1.class.getDeclaredMethods( ) ) );
expected.addAll( Arrays.asList( Object.class.getDeclaredMethods( ) ) );
assertEquals( expected , output );
}
/** Test: {@link MemberFinder} support for interfaces: processing after superclasses */
@Test
public void testInterfacesAfterClasses( )
{
MemberFinder< Method > mf = new MemberFinder< >( MemberFinder.METHOD_EXTRACTOR , true );
mf.setClassesFirst( true );
ArrayList< Method > output = new ArrayList< >( );
mf.find( output , CTest5.class );
final ArrayList< Method > expected = new ArrayList< >( Arrays.asList( CTest5.class.getDeclaredMethods( ) ) );
expected.addAll( Arrays.asList( Object.class.getDeclaredMethods( ) ) );
expected.addAll( Arrays.asList( ITest1.class.getDeclaredMethods( ) ) );
assertEquals( expected , output );
}
}