Removed dependency to cmpv2client adapter

Signed-off-by: Michal Banka <michal.banka@nokia.com>
Change-Id: I14aea91ee910354e898ea1e011a2ff27df54e93c
Issue-ID: AAF-1107

10 files changed, 113 insertions, 289 deletions

diff --git a/certService/src/main/java/org/onap/aaf/certservice/certification/adapter/CertificateFactoryProvider.java b/certService/src/main/java/org/onap/aaf/certservice/certification/CertificateFactoryProvider.java
index 79f59363..b633f905 100644
--- a/certService/src/main/java/org/onap/aaf/certservice/certification/adapter/CertificateFactoryProvider.java
+++ b/certService/src/main/java/org/onap/aaf/certservice/certification/CertificateFactoryProvider.java
@@ -18,7 +18,7 @@
  * ============LICENSE_END=========================================================
  */
 
-package org.onap.aaf.certservice.certification.adapter;
+package org.onap.aaf.certservice.certification;
 
 import java.io.InputStream;
 import java.security.NoSuchProviderException;
diff --git a/certService/src/main/java/org/onap/aaf/certservice/certification/CertificationProvider.java b/certService/src/main/java/org/onap/aaf/certservice/certification/CertificationProvider.java
index 6068237c..4435aa75 100644
--- a/certService/src/main/java/org/onap/aaf/certservice/certification/CertificationProvider.java
+++ b/certService/src/main/java/org/onap/aaf/certservice/certification/CertificationProvider.java
@@ -20,27 +20,58 @@
 
 package org.onap.aaf.certservice.certification;
 
-import org.onap.aaf.certservice.certification.adapter.Cmpv2ClientAdapter;
+import org.bouncycastle.openssl.jcajce.JcaMiscPEMGenerator;
+import org.bouncycastle.util.io.pem.PemObjectGenerator;
+import org.bouncycastle.util.io.pem.PemWriter;
 import org.onap.aaf.certservice.certification.configuration.model.Cmpv2Server;
 import org.onap.aaf.certservice.certification.model.CertificationModel;
 import org.onap.aaf.certservice.certification.model.CsrModel;
+import org.onap.aaf.certservice.cmpv2client.api.CmpClient;
 import org.onap.aaf.certservice.cmpv2client.exceptions.CmpClientException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import java.io.IOException;
+import java.io.StringWriter;
+import java.security.cert.X509Certificate;
+import java.util.List;
+import java.util.stream.Collectors;
+
 @Service
 public class CertificationProvider {
 
-    private final Cmpv2ClientAdapter cmpv2ClientAdapter;
+    private static final Logger LOGGER = LoggerFactory.getLogger(CertificationProvider.class);
+
+    private final CmpClient cmpClient;
 
     @Autowired
-    public  CertificationProvider(Cmpv2ClientAdapter cmpv2ClientAdapter) {
-        this.cmpv2ClientAdapter = cmpv2ClientAdapter;
+    public CertificationProvider(CmpClient cmpClient) {
+        this.cmpClient = cmpClient;
     }
 
-    CertificationModel signCsr(CsrModel csrModel, Cmpv2Server server)
+    public CertificationModel signCsr(CsrModel csrModel, Cmpv2Server server)
             throws CmpClientException {
-        return cmpv2ClientAdapter.callCmpClient(csrModel, server);
+        List<List<X509Certificate>> certificates = cmpClient.createCertificate(csrModel, server);
+        return new CertificationModel(convertFromX509CertificateListToPemList(certificates.get(0)),
+                convertFromX509CertificateListToPemList(certificates.get(1)));
+    }
+
+    private static List<String> convertFromX509CertificateListToPemList(List<X509Certificate> certificates) {
+        return certificates.stream().map(CertificationProvider::convertFromX509CertificateToPem).filter(cert -> !cert.isEmpty())
+                .collect(Collectors.toList());
+    }
+
+    private static String convertFromX509CertificateToPem(X509Certificate certificate) {
+        StringWriter sw = new StringWriter();
+        try (PemWriter pw = new PemWriter(sw)) {
+            PemObjectGenerator gen = new JcaMiscPEMGenerator(certificate);
+            pw.writeObject(gen);
+        } catch (IOException e) {
+            LOGGER.error("Exception occurred during convert of X509 certificate", e);
+        }
+        return sw.toString();
     }
 
 }
diff --git a/certService/src/main/java/org/onap/aaf/certservice/certification/adapter/RsaContentSignerBuilder.java b/certService/src/main/java/org/onap/aaf/certservice/certification/RsaContentSignerBuilder.java
index bda89235..12f00f9c 100644
--- a/certService/src/main/java/org/onap/aaf/certservice/certification/adapter/RsaContentSignerBuilder.java
+++ b/certService/src/main/java/org/onap/aaf/certservice/certification/RsaContentSignerBuilder.java
@@ -18,7 +18,7 @@
  * ============LICENSE_END=========================================================
  */
 
-package org.onap.aaf.certservice.certification.adapter;
+package org.onap.aaf.certservice.certification;
 
 import java.io.IOException;
 import java.security.PrivateKey;
diff --git a/certService/src/main/java/org/onap/aaf/certservice/certification/adapter/X509CertificateBuilder.java b/certService/src/main/java/org/onap/aaf/certservice/certification/X509CertificateBuilder.java
index f96cec8e..70591759 100644
--- a/certService/src/main/java/org/onap/aaf/certservice/certification/adapter/X509CertificateBuilder.java
+++ b/certService/src/main/java/org/onap/aaf/certservice/certification/X509CertificateBuilder.java
@@ -18,7 +18,7 @@
  * ============LICENSE_END=========================================================
  */
 
-package org.onap.aaf.certservice.certification.adapter;
+package org.onap.aaf.certservice.certification;
 
 import java.io.IOException;
 import java.math.BigInteger;
@@ -38,7 +38,7 @@ public class X509CertificateBuilder {
     private static final int SECURE_NEXT_BYTES = 16;
     private static final int VALID_PERIOD_IN_DAYS = 365;
 
-    X509v3CertificateBuilder build(PKCS10CertificationRequest csr) throws IOException {
+    public X509v3CertificateBuilder build(PKCS10CertificationRequest csr) throws IOException {
         return new X509v3CertificateBuilder(csr.getSubject(), createSerial(),
                 Date.from(LocalDateTime.now().toInstant(ZoneOffset.UTC)),
                 Date.from(LocalDateTime.now().plusDays(VALID_PERIOD_IN_DAYS).toInstant(ZoneOffset.UTC)),
diff --git a/certService/src/main/java/org/onap/aaf/certservice/certification/adapter/Cmpv2ClientAdapter.java b/certService/src/main/java/org/onap/aaf/certservice/certification/adapter/Cmpv2ClientAdapter.java
deleted file mode 100644
index 96fe4607..00000000
--- a/certService/src/main/java/org/onap/aaf/certservice/certification/adapter/Cmpv2ClientAdapter.java
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- * Cert Service
- * ================================================================================
- * Copyright (C) 2020 Nokia. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.aaf.certservice.certification.adapter;
-
-import java.io.IOException;
-import java.io.StringWriter;
-import java.security.cert.X509Certificate;
-import java.util.List;
-import java.util.stream.Collectors;
-
-import org.bouncycastle.openssl.jcajce.JcaMiscPEMGenerator;
-import org.bouncycastle.util.io.pem.PemObjectGenerator;
-import org.bouncycastle.util.io.pem.PemWriter;
-import org.onap.aaf.certservice.certification.configuration.model.Cmpv2Server;
-import org.onap.aaf.certservice.certification.model.CertificationModel;
-import org.onap.aaf.certservice.certification.model.CsrModel;
-import org.onap.aaf.certservice.cmpv2client.api.CmpClient;
-import org.onap.aaf.certservice.cmpv2client.exceptions.CmpClientException;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.stereotype.Component;
-
-@Component
-public class Cmpv2ClientAdapter {
-
-    private static final Logger LOGGER = LoggerFactory.getLogger(Cmpv2ClientAdapter.class);
-
-    private final CmpClient cmpClient;
-
-    @Autowired
-    public Cmpv2ClientAdapter(CmpClient cmpClient) {
-        this.cmpClient = cmpClient;
-    }
-
-    /**
-     * Uses CmpClient to call to Cmp Server and gather certificates data
-     *
-     * @param csrModel Certificate Signing Request from Service external  API
-     * @param server   Cmp Server configuration from cmpServers.json
-     * @return container for returned certificates
-     * @throws CmpClientException          Exceptions which comes from Cmp Client
-     */
-    public CertificationModel callCmpClient(CsrModel csrModel, Cmpv2Server server)
-            throws CmpClientException {
-        List<List<X509Certificate>> certificates = cmpClient.createCertificate(csrModel, server);
-        return new CertificationModel(convertFromX509CertificateListToPemList(certificates.get(0)),
-                convertFromX509CertificateListToPemList(certificates.get(1)));
-    }
-
-    private String convertFromX509CertificateToPem(X509Certificate certificate) {
-        StringWriter sw = new StringWriter();
-        try (PemWriter pw = new PemWriter(sw)) {
-            PemObjectGenerator gen = new JcaMiscPEMGenerator(certificate);
-            pw.writeObject(gen);
-        } catch (IOException e) {
-            LOGGER.error("Exception occurred during convert of X509 certificate", e);
-        }
-        return sw.toString();
-    }
-
-    private List<String> convertFromX509CertificateListToPemList(List<X509Certificate> certificates) {
-        return certificates.stream().map(this::convertFromX509CertificateToPem).filter(cert -> !cert.isEmpty())
-                .collect(Collectors.toList());
-    }
-
-}
diff --git a/certService/src/main/java/org/onap/aaf/certservice/cmpv2client/impl/CmpClientImpl.java b/certService/src/main/java/org/onap/aaf/certservice/cmpv2client/impl/CmpClientImpl.java
index 08c43031..28731f29 100644
--- a/certService/src/main/java/org/onap/aaf/certservice/cmpv2client/impl/CmpClientImpl.java
+++ b/certService/src/main/java/org/onap/aaf/certservice/cmpv2client/impl/CmpClientImpl.java
@@ -66,6 +66,7 @@ public class CmpClientImpl implements CmpClient {
     private final CloseableHttpClient httpClient;
 
     private static final String DEFAULT_CA_NAME = "Certification Authority";
+    private static final String DEFAULT_PROFILE = CaMode.RA.getProfile();
 
     public CmpClientImpl(CloseableHttpClient httpClient) {
         this.httpClient = httpClient;
@@ -202,11 +203,10 @@ public class CmpClientImpl implements CmpClient {
             final Date notBefore,
             final Date notAfter) {
 
-
         String caName = CmpUtil.isNullOrEmpty(server.getCaName()) ? server.getCaName() : DEFAULT_CA_NAME;
-        String caProfile = server.getCaMode() != null ? String.valueOf(server.getCaMode()) : String.valueOf(CaMode.RA);
+        String profile = server.getCaMode() != null ? server.getCaMode().getProfile() : DEFAULT_PROFILE;
         LOG.info(
-                "Validate before creating Certificate Request for CA :{} in Mode {} ", caName, caProfile);
+                "Validate before creating Certificate Request for CA :{} in Mode {} ", caName, profile);
 
         CmpUtil.notNull(csrModel, "CsrModel Instance");
         CmpUtil.notNull(csrModel.getSubjectData(), "Subject DN");
diff --git a/certService/src/test/java/org/onap/aaf/certservice/certification/CertificationProviderTest.java b/certService/src/test/java/org/onap/aaf/certservice/certification/CertificationProviderTest.java
index f75bd608..cf3c7233 100644
--- a/certService/src/test/java/org/onap/aaf/certservice/certification/CertificationProviderTest.java
+++ b/certService/src/test/java/org/onap/aaf/certservice/certification/CertificationProviderTest.java
@@ -20,65 +20,89 @@
 
 package org.onap.aaf.certservice.certification;
 
+import org.apache.commons.io.IOUtils;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.mockito.Mock;
 import org.mockito.junit.jupiter.MockitoExtension;
-import org.onap.aaf.certservice.certification.adapter.Cmpv2ClientAdapter;
 import org.onap.aaf.certservice.certification.configuration.model.Cmpv2Server;
-import org.onap.aaf.certservice.certification.exception.Cmpv2ClientAdapterException;
-import org.onap.aaf.certservice.certification.exception.DecryptionException;
 import org.onap.aaf.certservice.certification.model.CertificationModel;
 import org.onap.aaf.certservice.certification.model.CsrModel;
+import org.onap.aaf.certservice.cmpv2client.api.CmpClient;
 import org.onap.aaf.certservice.cmpv2client.exceptions.CmpClientException;
 
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.charset.StandardCharsets;
+import java.security.NoSuchProviderException;
+import java.security.cert.CertificateException;
+import java.security.cert.X509Certificate;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+import java.util.Objects;
+
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.junit.jupiter.api.Assertions.assertThrows;
-import static org.mockito.ArgumentMatchers.eq;
-import static org.mockito.Mockito.mock;
+import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.when;
 
 @ExtendWith(MockitoExtension.class)
 class CertificationProviderTest {
 
-    private CertificationProvider certificationProvider;
-
     @Mock
-    private Cmpv2ClientAdapter cmpv2ClientAdapter;
+    private CsrModel csrModel;
+    @Mock
+    private Cmpv2Server server;
+    @Mock
+    private CsrModel testCsrModel;
+    @Mock
+    private Cmpv2Server testServer;
+    @Mock
+    private CmpClient cmpClient;
+
+    private CertificationProvider certificationProvider;
 
     @BeforeEach
-    void setUp() {
-        certificationProvider = new CertificationProvider(cmpv2ClientAdapter);
+    public void init() {
+        certificationProvider = new CertificationProvider(cmpClient);
     }
 
     @Test
-    void certificationProviderShouldReturnCertificationModelWhenProvidedProperCsrModelAndCmpv2Server()
-            throws CmpClientException, Cmpv2ClientAdapterException {
-        // Given
-        CsrModel testCsrModel = mock(CsrModel.class);
-        Cmpv2Server testServer = mock(Cmpv2Server.class);
-        CertificationModel expectedCertificationModel = mock(CertificationModel.class);
+    void shouldConvertToCertificationModel()
+            throws CertificateException, NoSuchProviderException, IOException, CmpClientException {
+        // When
         when(
-                cmpv2ClientAdapter.callCmpClient(eq(testCsrModel), eq(testServer))
-        ).thenReturn(expectedCertificationModel);
+                cmpClient.createCertificate(any(CsrModel.class), any(Cmpv2Server.class))
+        ).thenReturn(createCorrectClientResponse());
 
-        // When
-        CertificationModel receivedCertificationModel = certificationProvider.signCsr(testCsrModel, testServer);
+        CertificationModel certificationModel = certificationProvider.signCsr(csrModel, server);
 
         // Then
-        assertThat(receivedCertificationModel).isEqualTo(expectedCertificationModel);
+        InputStream certificate = getClass().getClassLoader().getResourceAsStream("certificateModelChain.first");
+        InputStream trustedCertificate =
+                getClass().getClassLoader().getResourceAsStream("trustedCertificatesModel.first");
+        String certificateModel = removeLineEndings(certificationModel.getCertificateChain().get(0));
+        String expectedCertificate =
+                removeLineEndings(IOUtils.toString(Objects.requireNonNull(certificate), StandardCharsets.UTF_8));
+        String trustedCertificateModel = removeLineEndings(certificationModel.getTrustedCertificates().get(0));
+        String expectedTrustedCertificate =
+                removeLineEndings(IOUtils.toString(Objects.requireNonNull(trustedCertificate), StandardCharsets.UTF_8));
+
+        assertThat(certificateModel).isEqualTo(expectedCertificate);
+        assertThat(trustedCertificateModel).isEqualTo(expectedTrustedCertificate);
     }
 
+
     @Test
     void certificationProviderThrowCmpClientWhenCallingClientFails()
-            throws CmpClientException, Cmpv2ClientAdapterException {
+            throws CmpClientException {
         // Given
-        CsrModel testCsrModel = mock(CsrModel.class);
-        Cmpv2Server testServer = mock(Cmpv2Server.class);
         String expectedErrorMessage = "connecting to CMP client failed";
+
         when(
-                cmpv2ClientAdapter.callCmpClient(eq(testCsrModel), eq(testServer))
+                cmpClient.createCertificate(any(CsrModel.class), any(Cmpv2Server.class))
         ).thenThrow(new CmpClientException(expectedErrorMessage));
 
         // When
@@ -91,4 +115,18 @@ class CertificationProviderTest {
         assertThat(exception.getMessage()).isEqualTo(expectedErrorMessage);
     }
 
+    private List<List<X509Certificate>> createCorrectClientResponse()
+            throws CertificateException, NoSuchProviderException {
+        InputStream certificateChain = getClass().getClassLoader().getResourceAsStream("certificateChain.first");
+        InputStream trustedCertificate = getClass().getClassLoader().getResourceAsStream("trustedCertificates.first");
+        X509Certificate x509Certificate = new CertificateFactoryProvider().generateCertificate(certificateChain);
+        X509Certificate x509TrustedCertificate =
+                new CertificateFactoryProvider().generateCertificate(trustedCertificate);
+        return Arrays.asList(Collections.singletonList(x509Certificate),
+                Collections.singletonList(x509TrustedCertificate));
+    }
+
+    private String removeLineEndings(String string) {
+        return string.replace("\n", "").replace("\r", "");
+    }
 }
diff --git a/certService/src/test/java/org/onap/aaf/certservice/certification/adapter/RsaContentSignerBuilderTest.java b/certService/src/test/java/org/onap/aaf/certservice/certification/RsaContentSignerBuilderTest.java
index 44669216..0083968d 100644
--- a/certService/src/test/java/org/onap/aaf/certservice/certification/adapter/RsaContentSignerBuilderTest.java
+++ b/certService/src/test/java/org/onap/aaf/certservice/certification/RsaContentSignerBuilderTest.java
@@ -18,13 +18,14 @@
  * ============LICENSE_END=========================================================
  */
 
-package org.onap.aaf.certservice.certification.adapter;
+package org.onap.aaf.certservice.certification;
 
 import org.bouncycastle.operator.ContentSigner;
 import org.bouncycastle.operator.OperatorCreationException;
 import org.bouncycastle.pkcs.PKCS10CertificationRequest;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
+import org.onap.aaf.certservice.certification.RsaContentSignerBuilder;
 import org.onap.aaf.certservice.certification.exception.DecryptionException;
 import org.onap.aaf.certservice.certification.model.CsrModel;
 
diff --git a/certService/src/test/java/org/onap/aaf/certservice/certification/adapter/X509CertificateBuilderTest.java b/certService/src/test/java/org/onap/aaf/certservice/certification/X509CertificateBuilderTest.java
index d53c6c72..067f2f5f 100644
--- a/certService/src/test/java/org/onap/aaf/certservice/certification/adapter/X509CertificateBuilderTest.java
+++ b/certService/src/test/java/org/onap/aaf/certservice/certification/X509CertificateBuilderTest.java
@@ -18,7 +18,7 @@
  * ============LICENSE_END=========================================================
  */
 
-package org.onap.aaf.certservice.certification.adapter;
+package org.onap.aaf.certservice.certification;
 
 import org.bouncycastle.cert.X509CertificateHolder;
 import org.bouncycastle.cert.X509v3CertificateBuilder;
@@ -38,12 +38,12 @@ import static org.onap.aaf.certservice.certification.TestUtils.createCsrModel;
 
 public class X509CertificateBuilderTest {
 
-    private X509CertificateBuilder certificateBuilde;
+    private X509CertificateBuilder certificateBuilder;
 
 
     @BeforeEach
     void setUp() {
-        certificateBuilde = new X509CertificateBuilder();
+        certificateBuilder = new X509CertificateBuilder();
     }
 
     @Test
@@ -57,7 +57,7 @@ public class X509CertificateBuilderTest {
         ContentSigner createdContentSigner = rsaContentSignerBuilder.build(testCertificationRequest, testPrivateKey);
 
         // When
-        X509v3CertificateBuilder certificateBuilder = certificateBuilde.build(testCertificationRequest);
+        X509v3CertificateBuilder certificateBuilder = this.certificateBuilder.build(testCertificationRequest);
         X509CertificateHolder certificateHolder = certificateBuilder.build(createdContentSigner);
 
         // Then
diff --git a/certService/src/test/java/org/onap/aaf/certservice/certification/adapter/Cmpv2ClientAdapterTest.java b/certService/src/test/java/org/onap/aaf/certservice/certification/adapter/Cmpv2ClientAdapterTest.java
deleted file mode 100644
index 56a29e85..00000000
--- a/certService/src/test/java/org/onap/aaf/certservice/certification/adapter/Cmpv2ClientAdapterTest.java
+++ /dev/null
@@ -1,161 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- * Cert Service
- * ================================================================================
- * Copyright (C) 2020 Nokia. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.aaf.certservice.certification.adapter;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.nio.charset.StandardCharsets;
-import java.security.NoSuchProviderException;
-import java.security.PrivateKey;
-import java.security.cert.CertificateException;
-import java.security.cert.X509Certificate;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.List;
-import java.util.Objects;
-
-import org.apache.commons.io.IOUtils;
-import org.bouncycastle.asn1.x509.Certificate;
-import org.bouncycastle.cert.X509CertificateHolder;
-import org.bouncycastle.cert.X509v3CertificateBuilder;
-import org.bouncycastle.operator.ContentSigner;
-import org.bouncycastle.operator.OperatorCreationException;
-import org.bouncycastle.pkcs.PKCS10CertificationRequest;
-import org.junit.jupiter.api.Assertions;
-import org.junit.jupiter.api.Test;
-import org.mockito.InjectMocks;
-import org.mockito.Mock;
-import org.mockito.Mockito;
-import org.onap.aaf.certservice.certification.configuration.model.CaMode;
-import org.onap.aaf.certservice.certification.configuration.model.Cmpv2Server;
-import org.onap.aaf.certservice.certification.model.CertificationModel;
-import org.onap.aaf.certservice.certification.model.CsrModel;
-import org.onap.aaf.certservice.cmpv2client.api.CmpClient;
-import org.onap.aaf.certservice.cmpv2client.exceptions.CmpClientException;
-import org.springframework.boot.test.context.SpringBootTest;
-
-@SpringBootTest
-class Cmpv2ClientAdapterTest {
-
-    @Mock
-    private CmpClient cmpClient;
-    @Mock
-    private CsrModel csrModel;
-    @Mock
-    private Cmpv2Server server;
-    @Mock
-    private RsaContentSignerBuilder rsaContentSignerBuilder;
-    @Mock
-    private X509CertificateBuilder x509CertificateBuilder;
-    @Mock
-    private PKCS10CertificationRequest csr;
-    @Mock
-    private PrivateKey privateKey;
-    @Mock
-    private X509v3CertificateBuilder x509V3CertificateBuilder;
-    @Mock
-    private ContentSigner contentSigner;
-    @Mock
-    private X509CertificateHolder holder;
-    @Mock
-    private Certificate asn1Certificate;
-    @Mock
-    private X509Certificate certificate;
-    @Mock
-    private CertificateFactoryProvider certificateFactoryProvider;
-
-    @InjectMocks
-    private Cmpv2ClientAdapter adapter;
-
-    private static final CaMode CA_MODEL = CaMode.CLIENT;
-    private static final String TEST_MSG = "Test";
-
-    @Test
-    void adapterShouldRethrowClientExceptionOnFailure()
-            throws CmpClientException, IOException, OperatorCreationException, CertificateException,
-            NoSuchProviderException {
-        // Given
-        stubInternalProperties();
-
-        // When
-        Mockito.when(cmpClient.createCertificate(Mockito.any(), Mockito.any()))
-                .thenThrow(new CmpClientException(TEST_MSG));
-
-        // Then
-        Assertions.assertThrows(CmpClientException.class, () -> adapter.callCmpClient(csrModel, server));
-    }
-
-    @Test
-    void shouldConvertToCertificationModel()
-            throws OperatorCreationException, CertificateException, NoSuchProviderException, IOException,
-            CmpClientException {
-        // Given
-        stubInternalProperties();
-
-        // When
-        Mockito.when(cmpClient.createCertificate(Mockito.any(), Mockito.any()))
-                .thenReturn(createCorrectClientResponse());
-        CertificationModel certificationModel = adapter.callCmpClient(csrModel, server);
-
-        // Then
-        InputStream certificate = getClass().getClassLoader().getResourceAsStream("certificateModelChain.first");
-        InputStream trustedCertificate =
-                getClass().getClassLoader().getResourceAsStream("trustedCertificatesModel.first");
-        String certificateModel = removeLineEndings(certificationModel.getCertificateChain().get(0));
-        String expectedCertificate =
-                removeLineEndings(IOUtils.toString(Objects.requireNonNull(certificate), StandardCharsets.UTF_8));
-        String trustedCertificateModel = removeLineEndings(certificationModel.getTrustedCertificates().get(0));
-        String expectedTrustedCertificate =
-                removeLineEndings(IOUtils.toString(Objects.requireNonNull(trustedCertificate), StandardCharsets.UTF_8));
-
-        Assertions.assertEquals(certificateModel, expectedCertificate);
-        Assertions.assertEquals(trustedCertificateModel, expectedTrustedCertificate);
-    }
-
-    private List<List<X509Certificate>> createCorrectClientResponse()
-            throws CertificateException, NoSuchProviderException {
-        InputStream certificateChain = getClass().getClassLoader().getResourceAsStream("certificateChain.first");
-        InputStream trustedCertificate = getClass().getClassLoader().getResourceAsStream("trustedCertificates.first");
-        X509Certificate x509Certificate = new CertificateFactoryProvider().generateCertificate(certificateChain);
-        X509Certificate x509TrustedCertificate =
-                new CertificateFactoryProvider().generateCertificate(trustedCertificate);
-        return Arrays.asList(Collections.singletonList(x509Certificate),
-                Collections.singletonList(x509TrustedCertificate));
-    }
-
-    private String removeLineEndings(String string) {
-        return string.replace("\n", "").replace("\r", "");
-    }
-
-    private void stubInternalProperties()
-            throws IOException, OperatorCreationException, CertificateException, NoSuchProviderException {
-        Mockito.when(server.getCaMode()).thenReturn(CA_MODEL);
-        Mockito.when(csrModel.getCsr()).thenReturn(csr);
-        Mockito.when(csrModel.getPrivateKey()).thenReturn(privateKey);
-        Mockito.when(x509CertificateBuilder.build(csr)).thenReturn(x509V3CertificateBuilder);
-        Mockito.when(rsaContentSignerBuilder.build(csr, privateKey)).thenReturn(contentSigner);
-        Mockito.when(x509V3CertificateBuilder.build(contentSigner)).thenReturn(holder);
-        Mockito.when(holder.toASN1Structure()).thenReturn(asn1Certificate);
-        Mockito.when(certificateFactoryProvider.generateCertificate(Mockito.any())).thenReturn(certificate);
-        Mockito.when(holder.toASN1Structure().getEncoded()).thenReturn("".getBytes());
-    }
-
-}