1 /* 2 * Copyright 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package org.conscrypt; 18 19 import static org.junit.Assert.assertEquals; 20 import static org.mockito.Matchers.same; 21 import static org.mockito.Mockito.when; 22 23 import java.nio.charset.Charset; 24 import javax.net.ssl.SSLEngine; 25 import org.junit.Before; 26 import org.junit.Test; 27 import org.mockito.Matchers; 28 import org.mockito.Mock; 29 import org.mockito.MockitoAnnotations; 30 31 public class ApplicationProtocolSelectorAdapterTest { 32 private static Charset US_ASCII = Charset.forName("US-ASCII"); 33 private static final String[] PROTOCOLS = new String[] {"a", "b", "c"}; 34 private static final byte[] PROTOCOL_BYTES = SSLUtils.encodeProtocols(PROTOCOLS); 35 36 @Mock private ApplicationProtocolSelector selector; 37 38 @Mock private SSLEngine engine; 39 40 private ApplicationProtocolSelectorAdapter adapter; 41 42 @Before 43 public void setup() { 44 MockitoAnnotations.initMocks(this); 45 46 adapter = new ApplicationProtocolSelectorAdapter(engine, selector); 47 } 48 49 @Test 50 public void nullProtocolsShouldNotSelect() { 51 mockSelection("a"); 52 assertEquals(-1, select(null)); 53 } 54 55 @Test 56 public void emptyProtocolsShouldNotSelect() { 57 mockSelection("a"); 58 assertEquals(-1, select(EmptyArray.BYTE)); 59 } 60 61 @Test 62 public void selectCorrectProtocol() { 63 for (String protocol : PROTOCOLS) { 64 mockSelection(protocol); 65 assertEquals(protocol, getProtocolAt(select(PROTOCOL_BYTES))); 66 } 67 } 68 69 @Test 70 public void invalidProtocolShouldNotSelect() { 71 mockSelection("d"); 72 assertEquals(-1, select(PROTOCOL_BYTES)); 73 } 74 75 private int select(byte[] protocols) { 76 return adapter.selectApplicationProtocol(protocols); 77 } 78 79 private void mockSelection(String returnValue) { 80 when(selector.selectApplicationProtocol(same(engine), Matchers.anyListOf(String.class))) 81 .thenReturn(returnValue); 82 } 83 84 private String getProtocolAt(int index) { 85 int len = PROTOCOL_BYTES[index]; 86 return new String(PROTOCOL_BYTES, index + 1, len, US_ASCII); 87 } 88 } 89