Line data    Source code

       1             : // Copyright (C) 2017 The Android Open Source Project
       2             : //
       3             : // Licensed under the Apache License, Version 2.0 (the "License");
       4             : // you may not use this file except in compliance with the License.
       5             : // You may obtain a copy of the License at
       6             : //
       7             : // http://www.apache.org/licenses/LICENSE-2.0
       8             : //
       9             : // Unless required by applicable law or agreed to in writing, software
      10             : // distributed under the License is distributed on an "AS IS" BASIS,
      11             : // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      12             : // See the License for the specific language governing permissions and
      13             : // limitations under the License.
      14             : 
      15             : package com.google.gerrit.extensions.restapi.testing;
      16             : 
      17             : import static com.google.common.truth.Truth.assertAbout;
      18             : 
      19             : import com.google.common.truth.FailureMetadata;
      20             : import com.google.common.truth.PrimitiveByteArraySubject;
      21             : import com.google.common.truth.StringSubject;
      22             : import com.google.common.truth.Subject;
      23             : import com.google.gerrit.extensions.restapi.BinaryResult;
      24             : import com.google.gerrit.truth.OptionalSubject;
      25             : import java.io.ByteArrayOutputStream;
      26             : import java.io.IOException;
      27             : import java.util.Optional;
      28             : 
      29             : public class BinaryResultSubject extends Subject {
      30             : 
      31             :   public static BinaryResultSubject assertThat(BinaryResult binaryResult) {
      32           1 :     return assertAbout(binaryResults()).that(binaryResult);
      33             :   }
      34             : 
      35             :   private static Subject.Factory<BinaryResultSubject, BinaryResult> binaryResults() {
      36           4 :     return BinaryResultSubject::new;
      37             :   }
      38             : 
      39             :   public static OptionalSubject<BinaryResultSubject, BinaryResult> assertThat(
      40             :       Optional<BinaryResult> binaryResultOptional) {
      41           3 :     return OptionalSubject.assertThat(binaryResultOptional, binaryResults());
      42             :   }
      43             : 
      44             :   private final BinaryResult binaryResult;
      45             : 
      46             :   private BinaryResultSubject(FailureMetadata failureMetadata, BinaryResult binaryResult) {
      47           4 :     super(failureMetadata, binaryResult);
      48           4 :     this.binaryResult = binaryResult;
      49           4 :   }
      50             : 
      51             :   public StringSubject asString() throws IOException {
      52           3 :     isNotNull();
      53             :     // We shouldn't close the BinaryResult within this method as it might still
      54             :     // be used afterwards. Besides, closing it doesn't have an effect for most
      55             :     // implementations of a BinaryResult.
      56           3 :     return check("asString()").that(binaryResult.asString());
      57             :   }
      58             : 
      59             :   public PrimitiveByteArraySubject bytes() throws IOException {
      60           1 :     isNotNull();
      61             :     // We shouldn't close the BinaryResult within this method as it might still
      62             :     // be used afterwards. Besides, closing it doesn't have an effect for most
      63             :     // implementations of a BinaryResult.
      64           1 :     ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
      65           1 :     binaryResult.writeTo(byteArrayOutputStream);
      66           1 :     byte[] bytes = byteArrayOutputStream.toByteArray();
      67           1 :     return check("bytes()").that(bytes);
      68             :   }
      69             : }