1 files changed, 90 insertions, 0 deletions
diff --git a/certService/src/test/java/org/onap/oom/certservice/certification/PemStringToCertificateConverterTest.java b/certService/src/test/java/org/onap/oom/certservice/certification/PemStringToCertificateConverterTest.java
new file mode 100644
index 00000000..ecdb1a2e
--- /dev/null
+++ b/certService/src/test/java/org/onap/oom/certservice/certification/PemStringToCertificateConverterTest.java
@@ -0,0 +1,90 @@
+/*
+ * ============LICENSE_START=======================================================
+ * Cert Service
+ * ================================================================================
+ * Copyright (C) 2021 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.oom.certservice.certification;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+
+import java.io.Serializable;
+import java.security.cert.CertificateParsingException;
+import java.security.cert.X509Certificate;
+import java.util.List;
+import org.bouncycastle.asn1.x509.GeneralName;
+import org.junit.jupiter.api.Test;
+import org.onap.oom.certservice.certification.exception.StringToCertificateConversionException;
+
+class PemStringToCertificateConverterTest {
+
+    private static final String CERTIFICATE_PEM_STRING =
+        "-----BEGIN CERTIFICATE-----\n"
+            + "MIIEizCCAvOgAwIBAgIUGEp2GZ6Y8nzDA9CKl5nURI7CUN8wDQYJKoZIhvcNAQEL\n"
+            + "BQAwYTEjMCEGCgmSJomT8ixkAQEME2MtMGpiZnE4cWExZm8wd2ttbnkxFTATBgNV\n"
+            + "BAMMDE1hbmFnZW1lbnRDQTEjMCEGA1UECgwaRUpCQ0EgQ29udGFpbmVyIFF1aWNr\n"
+            + "c3RhcnQwHhcNMjEwNjI5MDY1MDI1WhcNMjMwNjI5MDY1MDI0WjB3MREwDwYDVQQD\n"
+            + "DAhvbmFwLm9yZzEZMBcGA1UECwwQTGludXgtRm91bmRhdGlvbjENMAsGA1UECgwE\n"
+            + "T05BUDEWMBQGA1UEBwwNU2FuLUZyYW5jaXNjbzETMBEGA1UECAwKQ2FsaWZvcm5p\n"
+            + "YTELMAkGA1UEBhMCVVMwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDB\n"
+            + "zvbyrrEiaoBj8kma2QmC+VLmmtWFWyAJgSrYA4kxuyrjQCW4JyFGvmzbYoUFFLOF\n"
+            + "hfq18VjTs0cbTysX8cFSfkV2EKGERBaZnZRQso6SIJNGa3xMe5FHjREy34Np04IH\n"
+            + "jSQ42eIBgcNiIada4jgEnIQQYQJSPQtHkfOMC6O+3RpT/eHtvo5urR16MFY1K6so\n"
+            + "nWYitI5TpEKRozav6zqU/otHgn5jRLryj0IZy0ijlBfSKTxrFfZr3KoMDudVEfUM\n"
+            + "tsqER3poc1gFkqmCRK38BPNiY7v5KATRB+fWN+P75mw43drx9rImp+JtpOUsDK8r\n"
+            + "IBd8o4afNvr/WrygBB8rAgMBAAGjgaQwgaEwDAYDVR0TAQH/BAIwADAfBgNVHSME\n"
+            + "GDAWgBR9M1qUnQM0CpHUz34F5sVUUcIDtjAYBgNVHREEETAPgg10ZXN0Lm9uYXAu\n"
+            + "b3JnMCcGA1UdJQQgMB4GCCsGAQUFBwMCBggrBgEFBQcDBAYIKwYBBQUHAwEwHQYD\n"
+            + "VR0OBBYEFAfqcU6xGi8jzjlRuKQBtqRcXi+uMA4GA1UdDwEB/wQEAwIF4DANBgkq\n"
+            + "hkiG9w0BAQsFAAOCAYEAAdw77q7shKtS8lDGcJ/Y8dEjjNSlRtU14EMC59kmKeft\n"
+            + "Ri7d0oCQXtdRCut3ymizLVqQkmX6SrGshpWUsNzTdITjQ6JB2KOaiIWIF60NSleW\n"
+            + "0vLm36EmY1ErK+zKe7tvGWZhTNVzBXtnq+AMfJc41u2uelkx0LNczsX9aCajLH1v\n"
+            + "4z4XsUnm9qiXpnEm632emuJyj6Nt0JWVuNTJTPRnqVZf6KKR83v8JuV0EefWd5WV\n"
+            + "cFspL0H3MKJV7uf7hfllnIcRtzXa5pctBCboFShVkRNaAMPpJf0DBLQxm7dAWj5A\n"
+            + "hG1rwmTmzM6NpwGHW/I1SFMmtQiF0PACz1Un6nDW/Rf1iHEoGf8YBLP332LJSDug\n"
+            + "RKn0cM3QTcyUEzCZxSwKJ2ngC9eG9C2d3YhB6Zxtl+gUIa3AwwPbqr7YR9QkD2Eo\n"
+            + "d4LqEH9znyBfi7k2YCwP6rtfSi6ClybXe8eBcuMES4TAQfFK6FVf58tGQIx06I0O\n"
+            + "34nemZwkLoOBzZkepaQv\n"
+            + "-----END CERTIFICATE-----\n";
+
+    private static final List<? extends Serializable> EXPECTED_SUBJECT_ALTERNATIVE_NAME = List
+        .of(GeneralName.dNSName, "test.onap.org");
+
+    private static final String EXPECTED_SUBJECT = "CN=onap.org,OU=Linux-Foundation,O=ONAP,L=San-Francisco,ST=California,C=US";
+
+    private final PemStringToCertificateConverter converter = new PemStringToCertificateConverter();
+
+    @Test
+    void shouldConvertStringToCertificate() throws CertificateParsingException, StringToCertificateConversionException {
+        //given, when
+        X509Certificate certificate = converter.convert(CERTIFICATE_PEM_STRING);
+        //then
+        assertThat(certificate).isNotNull();
+        assertThat(certificate.getSubjectDN())
+            .hasToString(EXPECTED_SUBJECT);
+        assertThat(certificate.getSubjectAlternativeNames())
+            .containsExactly(EXPECTED_SUBJECT_ALTERNATIVE_NAME);
+    }
+
+    @Test
+    void shouldThrowExceptionWhenCertificateStringInvalid() {
+        assertThatThrownBy(() -> converter.convert(""))
+            .isInstanceOf(StringToCertificateConversionException.class);
+    }
+
+}