1 /* 2 * Copyright 2016 The gRPC Authors 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 io.grpc.stub; 18 19 import static org.junit.Assert.assertEquals; 20 import static org.junit.Assert.assertFalse; 21 import static org.junit.Assert.assertNull; 22 import static org.junit.Assert.assertTrue; 23 import static org.junit.Assert.fail; 24 import static org.mockito.Mockito.mock; 25 26 import io.grpc.CallOptions; 27 import io.grpc.Channel; 28 import java.util.concurrent.Executor; 29 import javax.annotation.Nullable; 30 import org.junit.Rule; 31 import org.junit.Test; 32 import org.mockito.Mock; 33 import org.mockito.junit.MockitoJUnit; 34 import org.mockito.junit.MockitoRule; 35 36 /** Standard unit tests for AbstractStub and its subclasses. */ 37 abstract class BaseAbstractStubTest<T extends AbstractStub<T>> { 38 @Rule public final MockitoRule mocks = MockitoJUnit.rule(); 39 40 @Mock 41 Channel channel; 42 create(Channel channel)43 T create(Channel channel) { 44 return create(channel, CallOptions.DEFAULT); 45 } 46 create(@ullable Channel channel, @Nullable CallOptions callOptions)47 abstract T create(@Nullable Channel channel, @Nullable CallOptions callOptions); 48 49 @Test callOptionsMustNotBeNull()50 public void callOptionsMustNotBeNull() { 51 try { 52 create(channel, null); 53 fail("NullPointerException expected"); 54 } catch (NullPointerException npe) { 55 // expected 56 } 57 } 58 59 @Test channelMustNotBeNull2()60 public void channelMustNotBeNull2() { 61 try { 62 create(null, CallOptions.DEFAULT); 63 fail("NullPointerException expected"); 64 } catch (NullPointerException npe) { 65 // expected 66 } 67 } 68 69 @Test withWaitForReady()70 public void withWaitForReady() { 71 T stub = create(channel); 72 CallOptions callOptions = stub.getCallOptions(); 73 assertFalse(callOptions.isWaitForReady()); 74 75 stub = stub.withWaitForReady(); 76 callOptions = stub.getCallOptions(); 77 assertTrue(callOptions.isWaitForReady()); 78 } 79 80 @Test withExecutor()81 public void withExecutor() { 82 T stub = create(channel); 83 CallOptions callOptions = stub.getCallOptions(); 84 85 assertNull(callOptions.getExecutor()); 86 87 Executor executor = mock(Executor.class); 88 stub = stub.withExecutor(executor); 89 callOptions = stub.getCallOptions(); 90 91 assertEquals(callOptions.getExecutor(), executor); 92 } 93 } 94