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      1 /*
      2  * Copyright (C) 2016 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 com.android.documentsui.queries;
     18 
     19 import static com.android.documentsui.queries.CommandInterceptor.COMMAND_PREFIX;
     20 
     21 import android.support.test.filters.SmallTest;
     22 import android.support.test.runner.AndroidJUnit4;
     23 
     24 import com.android.documentsui.testing.TestEventHandler;
     25 import com.android.documentsui.testing.TestFeatures;
     26 
     27 import org.junit.Assert;
     28 import org.junit.Before;
     29 import org.junit.Test;
     30 import org.junit.runner.RunWith;
     31 
     32 @RunWith(AndroidJUnit4.class)
     33 @SmallTest
     34 public final class CommandInterceptorTest {
     35 
     36     private TestEventHandler<String[]> mCommand0;
     37     private TestEventHandler<String[]> mCommand1;
     38     private CommandInterceptor mProcessor;
     39 
     40     @Before
     41     public void setUp() {
     42         mCommand0 = new TestEventHandler<>();
     43         mCommand1 = new TestEventHandler<>();
     44         mProcessor = new CommandInterceptor(new TestFeatures());
     45         mProcessor.add(mCommand0);
     46         mProcessor.add(mCommand1);
     47     }
     48 
     49     @Test
     50     public void testTriesAllCommands() {
     51         mProcessor.accept(COMMAND_PREFIX + "poodles");
     52         mCommand0.assertCalled();
     53         mCommand1.assertCalled();
     54     }
     55 
     56     @Test
     57     public void testStopsAfterCommandHandled() {
     58         mCommand0.nextReturn(true);
     59         mProcessor.accept(":poodles");
     60         mCommand0.assertCalled();
     61         mCommand1.assertNotCalled();
     62     }
     63 
     64     @Test
     65     public void testConveysArguments() {
     66         mCommand0.nextReturn(true);
     67         mProcessor.accept(COMMAND_PREFIX + "cheese doodles");
     68 
     69         String[] expected = {"cheese", "doodles"};
     70         Assert.assertArrayEquals(expected, mCommand0.getLastValue());
     71     }
     72 
     73     @Test
     74     public void testMissingCommand() {
     75         mProcessor.accept(COMMAND_PREFIX);
     76         mCommand0.assertNotCalled();
     77         mCommand1.assertNotCalled();
     78     }
     79 }
     80