package net.nelz.simplesm.impl;
import org.testng.annotations.Test;
import org.testng.annotations.BeforeClass;
import static org.testng.AssertJUnit.fail;
import static org.testng.AssertJUnit.assertTrue;
import static org.testng.AssertJUnit.assertEquals;
import net.nelz.simplesm.exceptions.InvalidAnnotationException;
import net.nelz.simplesm.aop.CacheKeyMethodStoreImpl;
import net.nelz.simplesm.api.CacheKeyMethod;
import java.lang.reflect.Method;
import java.util.List;
import java.util.ArrayList;
import java.security.InvalidParameterException;
/**
Copyright (c) 2008, 2009 Nelson Carpentier
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
public class DefaultKeyProviderTest {
private DefaultKeyProvider cut;
@BeforeClass
public void beforeClass() {
cut = new DefaultKeyProvider();
cut.setMethodStore(new CacheKeyMethodStoreImpl());
}
@Test
public void testKeyMethodArgs() throws Exception {
try {
cut.getKeyMethod(new KeyObject01());
fail("Expected exception.");
} catch (InvalidAnnotationException ex) {
assertTrue(ex.getMessage().indexOf("0 arguments") != -1);
System.out.println(ex.getMessage());
}
try {
cut.getKeyMethod(new KeyObject02());
fail("Expected exception.");
} catch (InvalidAnnotationException ex) {
assertTrue(ex.getMessage().indexOf("String") != -1);
System.out.println(ex.getMessage());
}
try {
cut.getKeyMethod(new KeyObject03());
fail("Expected exception.");
} catch (InvalidAnnotationException ex) {
assertTrue(ex.getMessage().indexOf("String") != -1);
System.out.println(ex.getMessage());
}
try {
cut.getKeyMethod(new KeyObject04());
fail("Expected exception.");
} catch (InvalidAnnotationException ex) {
assertTrue(ex.getMessage().indexOf("only one method") != -1);
System.out.println(ex.getMessage());
}
assertEquals("doIt", cut.getKeyMethod(new KeyObject05()).getName());
assertEquals("toString", cut.getKeyMethod(new KeyObject06(null)).getName());
}
@Test
public void testGenerateCacheKey() throws Exception {
final Method method = KeyObject.class.getMethod("toString", null);
try {
cut.generateObjectId(method, new KeyObject(null));
fail("Expected Exception.");
} catch (RuntimeException ex) {
assertTrue(ex.getMessage().indexOf("empty key value") != -1);
}
try {
cut.generateObjectId(method, new KeyObject(""));
fail("Expected Exception.");
} catch (RuntimeException ex) {
assertTrue(ex.getMessage().indexOf("empty key value") != -1);
}
final String result = "momma";
assertEquals(result, cut.generateObjectId(method, new KeyObject(result)));
}
@Test
public void testGenerateExceptions() {
try {
cut.generateKey(null);
fail("Expected exception");
} catch (InvalidParameterException ex) { }
}
@Test
public void testMultiplexExceptions() {
try {
cut.generateKeys(null);
fail("Expected exception");
} catch (InvalidParameterException ex) { }
try {
cut.generateKeys(new ArrayList<Object>());
fail("Expected exception");
} catch (InvalidParameterException ex) { }
}
@Test
public void testMultiplex() {
final List<Object> src = new ArrayList<Object>();
final List<String> expectedResults = new ArrayList<String>();
final String data = "abcdefghijklmnopqrstuvwxyz";
for (int ix = 0; ix < 4; ix++) {
final String val = data.substring(0, 5 + ix);
src.add(new KeyObject(val));
expectedResults.add(val);
}
final List<String> results = cut.generateKeys(src);
assertEquals(expectedResults, results);
}
private static class KeyObject {
private String result;
private KeyObject(String result) { this.result = result;}
public String toString() { return result; }
}
private static class KeyObject01 {
@CacheKeyMethod
public void doIt(final String nonsense) { }
}
private static class KeyObject02 {
@CacheKeyMethod
public void doIt() { }
}
private static class KeyObject03 {
@CacheKeyMethod
public Long doIt() { return null; }
}
private static class KeyObject04 {
@CacheKeyMethod
public String doIt() { return null; }
@CacheKeyMethod
public String doItAgain() { return null; }
}
private static class KeyObject05 {
public static final String result = "shrimp";
@CacheKeyMethod
public String doIt() { return result; }
}
private static class KeyObject06 {
private String result;
private KeyObject06(String result) { this.result = result;}
public String toString() { return result; }
}
}