common-be/src/test/java/org/openecomp/sdc/be/csar/storage/CsarSizeReducerTest.java

   1 /*
   2  * -
   3  *  ============LICENSE_START=======================================================
   4  *  Copyright (C) 2021 Nordix Foundation.
   5  *  ================================================================================
   6  *  Licensed under the Apache License, Version 2.0 (the "License");
   7  *  you may not use this file except in compliance with the License.
   8  *  You may obtain a copy of the License at
   9  *
  10  *       http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  *  Unless required by applicable law or agreed to in writing, software
  13  *  distributed under the License is distributed on an "AS IS" BASIS,
  14  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  *  See the License for the specific language governing permissions and
  16  *  limitations under the License.
  17  *
  18  *  SPDX-License-Identifier: Apache-2.0
  19  *  ============LICENSE_END=========================================================
  20  */
  21
  22 package org.openecomp.sdc.be.csar.storage;
  23
  24 import static org.junit.jupiter.api.Assertions.assertArrayEquals;
  25 import static org.junit.jupiter.api.Assertions.assertEquals;
  26 import static org.junit.jupiter.api.Assertions.assertNotEquals;
  27 import static org.junit.jupiter.api.Assertions.assertTrue;
  28 import static org.junit.jupiter.api.Assertions.fail;
  29 import static org.mockito.Mockito.when;
  30
  31 import java.nio.charset.StandardCharsets;
  32 import java.nio.file.Path;
  33 import java.util.Map;
  34 import java.util.Map.Entry;
  35 import java.util.Set;
  36 import org.junit.jupiter.api.BeforeEach;
  37 import org.junit.jupiter.params.ParameterizedTest;
  38 import org.junit.jupiter.params.provider.ValueSource;
  39 import org.mockito.InjectMocks;
  40 import org.mockito.Mock;
  41 import org.mockito.MockitoAnnotations;
  42 import org.openecomp.sdc.common.zip.ZipUtils;
  43 import org.openecomp.sdc.common.zip.exception.ZipException;
  44
  45 class CsarSizeReducerTest {
  46
  47     @Mock
  48     private CsarPackageReducerConfiguration csarPackageReducerConfiguration;
  49     @InjectMocks
  50     private CsarSizeReducer csarSizeReducer;
  51
  52     @BeforeEach
  53     void setUp() {
  54         MockitoAnnotations.openMocks(this);
  55     }
  56
  57     @ParameterizedTest
  58     @ValueSource(strings = {"dummyToReduce.zip", "dummyToReduce.csar", "dummyToNotReduce.csar"})
  59     void reduceByPathAndSizeTest(String fileName) throws ZipException {
  60         final var pathToReduce1 = Path.of("Files/images");
  61         final var pathToReduce2 = Path.of("Files/Scripts/my_script.sh");
  62         final var sizeLimit = 150000L;
  63         when(csarPackageReducerConfiguration.getSizeLimit()).thenReturn(sizeLimit);
  64         when(csarPackageReducerConfiguration.getFoldersToStrip()).thenReturn(Set.of(pathToReduce1, pathToReduce2));
  65
  66         final var csarPath = Path.of("src/test/resources/csarSizeReducer/" + fileName);
  67
  68         final Map<String, byte[]> originalCsar = ZipUtils.readZip(csarPath.toFile(), false);
  69
  70         final byte[] reduce = csarSizeReducer.reduce(csarPath);
  71
  72         final Map<String, byte[]> reducedCsar = ZipUtils.readZip(reduce, false);
  73
  74         assertEquals(originalCsar.keySet().size(), reducedCsar.keySet().size(), "No file should be removed");
  75         for (final Entry<String, byte[]> originalEntry : originalCsar.entrySet()) {
  76             final var originalFilePath = originalEntry.getKey();
  77             final byte[] originalBytes = originalEntry.getValue();
  78             assertTrue(reducedCsar.containsKey(originalFilePath),
  79                 String.format("No file should be removed, but it is missing original file '%s'", originalFilePath));
  80
  81             final String extention = fileName.substring(fileName.lastIndexOf('.') + 1);
  82             switch (extention.toLowerCase()) {
  83                 case "zip":
  84                     verifyZIP(pathToReduce1, pathToReduce2, sizeLimit, reducedCsar, originalFilePath, originalBytes);
  85                     break;
  86                 case "csar":
  87                     verifyCSAR(pathToReduce1, pathToReduce2, sizeLimit, reducedCsar, originalFilePath, originalBytes);
  88                     break;
  89                 default:
  90                     fail("Unexpected file extention");
  91                     break;
  92             }
  93         }
  94     }
  95
  96     private void verifyCSAR(final Path pathToReduce1, final Path pathToReduce2, final long sizeLimit, final Map<String, byte[]> reducedCsar,
  97                             final String originalFilePath, final byte[] originalBytes) {
  98         if (originalFilePath.startsWith(pathToReduce1.toString()) || originalFilePath.startsWith(pathToReduce2.toString())
  99             || originalBytes.length > sizeLimit) {
 100             assertArrayEquals("".getBytes(StandardCharsets.UTF_8), reducedCsar.get(originalFilePath),
 101                 String.format("File '%s' expected to be reduced to empty string", originalFilePath));
 102         } else {
 103             assertArrayEquals(originalBytes, reducedCsar.get(originalFilePath),
 104                 String.format("File '%s' expected to be equal", originalFilePath));
 105         }
 106     }
 107
 108     private void verifyZIP(final Path pathToReduce1, final Path pathToReduce2, final long sizeLimit, final Map<String, byte[]> reducedCsar,
 109                            final String originalFilePath, final byte[] originalBytes) {
 110         if (originalFilePath.startsWith(pathToReduce1.toString()) || originalFilePath.startsWith(pathToReduce2.toString())
 111             || originalBytes.length > sizeLimit) {
 112             assertArrayEquals("".getBytes(StandardCharsets.UTF_8), reducedCsar.get(originalFilePath),
 113                 String.format("File '%s' expected to be reduced to empty string", originalFilePath));
 114         } else {
 115             if (originalFilePath.endsWith(".csar") && csarSizeReducer.getReduced().get()) {
 116                 assertNotEquals(originalBytes.length, reducedCsar.get(originalFilePath).length,
 117                     String.format("File '%s' expected to be NOT equal", originalFilePath));
 118             } else {
 119                 assertArrayEquals(originalBytes, reducedCsar.get(originalFilePath),
 120                     String.format("File '%s' expected to be equal", originalFilePath));
 121             }
 122         }
 123     }
 124 }