// Copyright 2009 Google Inc. All Rights Reserved.



package com.google.ie.common.cache;



import static org.junit.Assert.assertEquals;

import static org.junit.Assert.assertNotNull;

import static org.junit.Assert.fail;



import com.google.appengine.tools.development.ApiProxyLocalImpl;

import com.google.apphosting.api.ApiProxy;

import com.google.ie.test.TestEnvironment;



import org.junit.After;

import org.junit.Before;

import org.junit.Test;



import java.io.File;



/**

 * Test cases to test each cases of methods in CustomCacheManager class.

 * 

 * @author asirohi

 * 

 */

public class CacheHelperTest {

    private static final String TEST_NAMESPACE = "test";



    @Before

    public void setUp() throws Exception {

        ApiProxy.setEnvironmentForCurrentThread(new TestEnvironment());

        ApiProxy.setDelegate(new ApiProxyLocalImpl(new File(".")) {

        });

    }



    @After

    public void tearDown() throws Exception {

        // not strictly necessary to null these out but there's no harm either

        ApiProxy.setDelegate(null);

        ApiProxy.setEnvironmentForCurrentThread(null);

    }



    @Test

    public void putObject() {



        try {

            CacheHelper.putObject(TEST_NAMESPACE, "key1", "value1");

            CacheHelper.putObject(TEST_NAMESPACE, "key2", "value2");



        } catch (IllegalArgumentException iae) {

            fail("Non serializable object: Should not occur");

        }

        assertEquals(true, CacheHelper.containsObject(TEST_NAMESPACE, "key1"));

    }



    @Test

    public void putObjectWithExpiration() {



        try {

            CacheHelper.putObject(TEST_NAMESPACE, "key1", "value1", 100);

        } catch (IllegalArgumentException iae) {

            fail("Non serializable object: Should not occur");

        }

        assertEquals(true, CacheHelper.containsObject(TEST_NAMESPACE, "key1"));

    }



    @Test

    public void getObject() {

        CacheHelper.putObject(TEST_NAMESPACE, "key1", "value1");



        assertNotNull("key1 should not be null", CacheHelper.getObject(TEST_NAMESPACE, "key1"));

        assertEquals("Wrong name value", "value1", CacheHelper.getObject(TEST_NAMESPACE, "key1"));

    }



    @Test

    public void contains() {

        CacheHelper.putObject(TEST_NAMESPACE, "key1", "value1");

        assertEquals(true, CacheHelper.containsObject(TEST_NAMESPACE, "key1"));

    }



    @Test

    public void delete() {

        CacheHelper.putObject(TEST_NAMESPACE, "key1", "value1");

        CacheHelper.deleteObject(TEST_NAMESPACE, "key1");

        assertEquals(false, CacheHelper.containsObject(TEST_NAMESPACE, "key1"));

    }



    @Test

    public void clearAll() {

        CacheHelper.putObject(TEST_NAMESPACE, "key1", "value1");

        CacheHelper.putObject(TEST_NAMESPACE, "key2", "value2");

        CacheHelper.putObject(TEST_NAMESPACE, "key3", "value3");



        CacheHelper.clearAllObjects();



        assertEquals(false, CacheHelper.containsObject(TEST_NAMESPACE, "key1"));

        assertEquals(false, CacheHelper.containsObject(TEST_NAMESPACE, "key2"));

        assertEquals(false, CacheHelper.containsObject(TEST_NAMESPACE, "key3"));

    }



}