| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.hugegraph.unit.core; |
| |
| import java.util.Arrays; |
| |
| import org.apache.hugegraph.backend.BackendException; |
| import org.apache.hugegraph.backend.page.PageState; |
| import org.apache.hugegraph.testutil.Assert; |
| import org.junit.Test; |
| |
| public class PageStateTest { |
| |
| private String pageWith3Base64Chars = "AAAAADsyABwAEAqI546LS6WW57unBgA" + |
| "EAAAAAPB////+8H////4alhxAZS8va6" + |
| "opcAKpklipAAQAAAAAAAAAAQ=="; |
| |
| private String pageWithSpace = "AAAAADsyABwAEAqI546LS6WW57unBgAEAAAAAP" + |
| "B//// 8H////4alhxAZS8va6opcAKpklipAAQA" + |
| "AAAAAAAAAQ=="; |
| |
| @Test |
| public void testOriginalStringPageToBytes() { |
| byte[] validPage = PageState.toBytes(pageWith3Base64Chars); |
| Assert.assertNotNull(validPage); |
| |
| Assert.assertThrows(BackendException.class, () -> { |
| PageState.toBytes(pageWithSpace); |
| }, e -> { |
| Assert.assertContains("Invalid page:", e.toString()); |
| }); |
| } |
| |
| @Test |
| public void testDecodePageWithSpecialBase64Chars() { |
| // Assert decode '+' and '/' and '=' and space successfully |
| Assert.assertNotNull(PageState.fromString(pageWith3Base64Chars)); |
| |
| byte[] decodePlus = PageState.fromString(pageWith3Base64Chars) |
| .position(); |
| byte[] decodeSpace = PageState.fromString(pageWithSpace).position(); |
| |
| Assert.assertTrue(Arrays.equals(decodePlus, decodeSpace)); |
| } |
| |
| @Test |
| public void testDecodePageWithInvalidStringPage() { |
| final String invalidPageWithBase64Chars = "dGVzdCBiYXNlNjQ="; |
| |
| Assert.assertThrows(BackendException.class, () -> { |
| PageState.fromString(invalidPageWithBase64Chars); |
| }, e -> { |
| Assert.assertContains("Invalid page: '0x", e.toString()); |
| }); |
| |
| final String invalidBase64Chars = "!abc~"; |
| Assert.assertThrows(BackendException.class, () -> { |
| PageState.fromString(invalidBase64Chars); |
| }, e -> { |
| Assert.assertContains("Invalid page:", e.toString()); |
| }); |
| } |
| |
| @Test |
| public void testEmptyPageState() { |
| Assert.assertEquals(0, PageState.EMPTY.offset()); |
| Assert.assertNull(PageState.EMPTY.toString()); |
| |
| Assert.assertEquals(PageState.EMPTY, |
| PageState.fromBytes(PageState.EMPTY_BYTES)); |
| } |
| } |