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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.settings.fingerprint;
     18 
     19 
     20 import static org.mockito.Matchers.anyInt;
     21 import static org.mockito.Mockito.doReturn;
     22 
     23 import android.content.Context;
     24 import android.content.ContextWrapper;
     25 import android.content.Intent;
     26 import android.hardware.fingerprint.Fingerprint;
     27 import android.hardware.fingerprint.FingerprintManager;
     28 import android.test.ActivityUnitTestCase;
     29 import android.view.View;
     30 import android.widget.Button;
     31 import android.widget.TextView;
     32 
     33 import com.android.settings.R;
     34 
     35 import org.mockito.Mock;
     36 import org.mockito.MockitoAnnotations;
     37 
     38 import java.util.ArrayList;
     39 import java.util.List;
     40 
     41 public class FingerprintEnrollIntroductionTest
     42         extends ActivityUnitTestCase<FingerprintEnrollIntroduction> {
     43 
     44     private TestContext mContext;
     45 
     46     @Mock
     47     private FingerprintManager mFingerprintManager;
     48 
     49     private FingerprintEnrollIntroduction mActivity;
     50 
     51     public FingerprintEnrollIntroductionTest() {
     52         super(FingerprintEnrollIntroduction.class);
     53     }
     54 
     55     @Override
     56     protected void setUp() throws Exception {
     57         super.setUp();
     58         MockitoAnnotations.initMocks(this);
     59         mContext = new TestContext(getInstrumentation().getTargetContext());
     60         setActivityContext(mContext);
     61 
     62         getInstrumentation().runOnMainSync(() -> {
     63             final Intent intent = new Intent();
     64             mActivity = startActivity(intent,
     65                     null /* savedInstanceState */, null /* lastNonConfigurationInstance */);
     66         });
     67     }
     68 
     69     public void testMaxFingerprint_shouldShowErrorMessage() {
     70         final int max = mContext.getResources().getInteger(
     71                 com.android.internal.R.integer.config_fingerprintMaxTemplatesPerUser);
     72         doReturn(generateFingerprintList(max)).when(mFingerprintManager)
     73                 .getEnrolledFingerprints(anyInt());
     74 
     75         getInstrumentation().runOnMainSync(() -> {
     76             getInstrumentation().callActivityOnCreate(mActivity, null);
     77             getInstrumentation().callActivityOnResume(mActivity);
     78         });
     79 
     80         final TextView errorTextView = (TextView) mActivity.findViewById(R.id.error_text);
     81         assertNotNull(errorTextView.getText().toString());
     82 
     83         final Button nextButton = (Button) mActivity.findViewById(R.id.fingerprint_next_button);
     84         assertEquals(View.GONE, nextButton.getVisibility());
     85     }
     86 
     87     private List<Fingerprint> generateFingerprintList(int num) {
     88         ArrayList<Fingerprint> list = new ArrayList<>();
     89         for (int i = 0; i < num; i++) {
     90             list.add(new Fingerprint("Fingerprint " + i, 0, i, 0));
     91         }
     92         return list;
     93     }
     94 
     95     public class TestContext extends ContextWrapper {
     96 
     97         public TestContext(Context base) {
     98             super(base);
     99         }
    100 
    101         @Override
    102         public Object getSystemService(String name) {
    103             if (Context.FINGERPRINT_SERVICE.equals(name)) {
    104                 return mFingerprintManager;
    105             }
    106             return super.getSystemService(name);
    107         }
    108     }
    109 }
    110