nokiav2/driver/src/test/java/org/onap/vfc/nfvo/driver/vnfm/svnfm/nokia/restapi/TestConverterApi.java

   1 /*
   2  * Copyright 2016-2017, Nokia Corporation
   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 org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.restapi;
  18
  19 import com.google.common.collect.Lists;
  20 import java.io.ByteArrayInputStream;
  21 import java.io.ByteArrayOutputStream;
  22 import java.io.IOException;
  23 import java.io.PrintStream;
  24 import java.util.Arrays;
  25 import javax.servlet.http.HttpServletRequest;
  26 import javax.servlet.http.Part;
  27 import org.apache.http.entity.ContentType;
  28 import org.junit.Before;
  29 import org.junit.Test;
  30 import org.mockito.InjectMocks;
  31 import org.mockito.Mock;
  32 import org.mockito.Mockito;
  33 import org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.packagetransformer.CbamVnfPackageBuilder;
  34 import org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.packagetransformer.CbamVnfdBuilder;
  35 import org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.packagetransformer.OnapVnfdBuilder;
  36 import org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.util.TestUtil;
  37 import org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.vnfm.TestBase;
  38 import org.springframework.http.HttpHeaders;
  39 import org.springframework.http.HttpStatus;
  40 import org.springframework.mock.web.DelegatingServletOutputStream;
  41
  42 import static junit.framework.TestCase.*;
  43 import static org.mockito.Matchers.any;
  44 import static org.mockito.Matchers.eq;
  45 import static org.mockito.Mockito.verify;
  46 import static org.mockito.Mockito.when;
  47 import static org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.vnfm.CatalogManager.getFileInZip;
  48 import static org.springframework.test.util.ReflectionTestUtils.setField;
  49
  50
  51 public class TestConverterApi extends TestBase {
  52
  53     @InjectMocks
  54     private ConverterApi converterApi;
  55     @Mock
  56     private HttpServletRequest httpRequest;
  57
  58     @Before
  59     public void initMocks() throws Exception {
  60         setField(ConverterApi.class, "logger", logger);
  61     }
  62
  63     /**
  64      * test VNF package conversion success scenario
  65      */
  66     @Test
  67     public void testConversion() throws Exception {
  68         ByteArrayOutputStream bos = new ByteArrayOutputStream();
  69         PrintStream actualOut = new PrintStream(bos, true);
  70         when(systemFunctions.out()).thenReturn(actualOut);
  71         when(systemFunctions.loadFile("cbam.pre.collectConnectionPoints.js")).thenCallRealMethod();
  72         when(systemFunctions.loadFile("cbam.collectConnectionPoints.js")).thenCallRealMethod();
  73         when(systemFunctions.loadFile("cbam.post.collectConnectionPoints.js")).thenCallRealMethod();
  74         when(systemFunctions.loadFile("TOSCA.meta")).thenCallRealMethod();
  75         when(systemFunctions.loadFile("MainServiceTemplate.meta")).thenCallRealMethod();
  76         when(httpResponse.getOutputStream()).thenReturn(new DelegatingServletOutputStream(actualOut));
  77         Part part = Mockito.mock(Part.class);
  78         when(part.getInputStream()).thenReturn(new ByteArrayInputStream(TestUtil.loadFile("unittests/packageconverter/cbam.package.zip")));
  79         when(httpRequest.getParts()).thenReturn(Lists.newArrayList(part));
  80         //when
  81         converterApi.convert(httpResponse, httpRequest);
  82         //verify
  83         verifyVnfPackageWritterToOutputStream(bos);
  84         verify(httpResponse).addHeader(HttpHeaders.CONTENT_TYPE, ContentType.APPLICATION_OCTET_STREAM.getMimeType());
  85         verify(httpResponse).setStatus(HttpStatus.OK.value());
  86         verify(httpResponse).addHeader(HttpHeaders.CONTENT_LENGTH, Integer.toString(bos.toByteArray().length));
  87         verify(httpResponse).addHeader(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename=\"" + "core.csar" + "\"");
  88     }
  89
  90     private void verifyVnfPackageWritterToOutputStream(ByteArrayOutputStream bos) throws Exception {
  91         String cbamVnfd = new String(TestUtil.loadFile("unittests/packageconverter/cbam.package.zip.vnfd"));
  92         String expectedOnapVnfd = new OnapVnfdBuilder().toOnapVnfd(cbamVnfd);
  93         assertFileInZip(bos.toByteArray(), "TOSCA-Metadata/TOSCA.meta", TestUtil.loadFile("TOSCA.meta"));
  94         assertFileInZip(bos.toByteArray(), "Definitions/MainServiceTemplate.yaml", expectedOnapVnfd.getBytes());
  95         assertFileInZip(bos.toByteArray(), "MainServiceTemplate.yaml", expectedOnapVnfd.getBytes());
  96         assertFileInZip(bos.toByteArray(), "MainServiceTemplate.meta", TestUtil.loadFile("MainServiceTemplate.meta"));
  97         ByteArrayOutputStream actualModifiedCbamVnfPackage = getFileInZip(new ByteArrayInputStream(bos.toByteArray()), "Artifacts/Deployment/OTHER/cbam.package.zip");
  98         byte[] expectedModifiedCbamPackage = new CbamVnfPackageBuilder().toModifiedCbamVnfPackage(TestUtil.loadFile("unittests/packageconverter/cbam.package.zip"), "vnfdloc/a.yaml", new CbamVnfdBuilder().build(cbamVnfd));
  99         assertItenticalZips(expectedModifiedCbamPackage, actualModifiedCbamVnfPackage.toByteArray());
 100     }
 101
 102     /**
 103      * the HTML based converted page works
 104      */
 105     @Test
 106     public void testConverterPage() throws Exception {
 107         ByteArrayOutputStream bos = new ByteArrayOutputStream();
 108         PrintStream actualOut = new PrintStream(bos, true);
 109         when(httpResponse.getOutputStream()).thenReturn(new DelegatingServletOutputStream(actualOut));
 110         when(systemFunctions.loadFile("upload.html")).thenCallRealMethod();
 111         //when
 112         converterApi.getUploadPageForConvertingVnfd(httpResponse);
 113         //verify
 114         assertTrue(Arrays.equals(TestUtil.loadFile("upload.html"), bos.toByteArray()));
 115         verify(httpResponse).addHeader(HttpHeaders.CONTENT_LENGTH, Integer.toString(bos.toByteArray().length));
 116     }
 117
 118     /**
 119      * error is propagated if unable to extract package from HTTP request
 120      */
 121     @Test
 122     public void testUnableToExtractPackageToBeConverted() throws Exception {
 123         IOException expectedException = new IOException();
 124         when(httpRequest.getParts()).thenThrow(expectedException);
 125         try {
 126             converterApi.convert(httpResponse, httpRequest);
 127             fail();
 128         } catch (Exception e) {
 129             verify(logger).error("Unable to extract package from REST parameters", expectedException);
 130             assertEquals("Unable to extract package from REST parameters", e.getMessage());
 131             assertEquals(expectedException, e.getCause());
 132         }
 133     }
 134
 135     /**
 136      * error is propagated if unable to extract package from HTTP request
 137      */
 138     @Test
 139     public void testUnableToConvertPackage() throws Exception {
 140         Part part = Mockito.mock(Part.class);
 141         when(part.getInputStream()).thenReturn(new ByteArrayInputStream(TestUtil.loadFile("unittests/packageconverter/cbam.package.zip")));
 142         when(httpRequest.getParts()).thenReturn(Lists.newArrayList(part));
 143         try {
 144             converterApi.convert(httpResponse, httpRequest);
 145             fail();
 146         } catch (Exception e) {
 147             verify(logger).error(eq("Unable to convert VNF package"), any(RuntimeException.class));
 148             assertEquals("Unable to convert VNF package", e.getMessage());
 149         }
 150     }
 151 }