SHA256Test.java

package com.kk_electronic.kkportal.client;

import com.google.gwt.junit.client.GWTTestCase;
import com.kk_electronic.kkportal.core.security.Hasher;
import com.kk_electronic.kkportal.core.security.SHA256;

public class SHA256Test extends GWTTestCase {

	@Override
	public String getModuleName() {
		return "com.kk_electronic.kkportal.KKPortalTest";
	}

	public void testSmallCall() {
		Hasher hasher = new SHA256();
		assertEquals(
				"ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad",
				hasher.hash("abc"));
	}

	public void testNegative() {
		Hasher hasher = new SHA256();
		assertNotSame(
				"ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad",
				hasher.hash("cab"));
	}

	public void testLargeCall() {
		Hasher hasher = new SHA256();
		assertEquals(
				"e4a079c6ffb88fd1a34f0b5d85304b10d99c55fabebd519b7f61b081a58a7f2a",
				hasher.hash("2,TabsService.getTabs,[{\"username\":\"Jes\"}]"));
	}

	/*
	 * The modulo operation became negative which caused the following test to fail
	 * with an exception.
	 */
	public void testPadding() {
		Hasher hasher = new SHA256();
		assertEquals(
				"0798649893f9d0bf84befaeafa22a24749ef754eb1cac71229c83e65252ac3ca",
				hasher.hash("1b65c7ef6fb2081201b542c0d35165767bf5da9cf3869209de358c4a0475b4c9:6,ModuleService.setModulesIdsOnTab,[1,[[1,21],[2,3],[4,5,6]]]"));
	}

	public void testDoubleCall() {
		Hasher hasher = new SHA256();
		String hash1 = hasher.hash("abc");
		String hash2 = hasher.hash("abc");
		assertNotNull(hash1);
		assertNotNull(hash2);
		assertEquals(hash1, hash2);
	}
}