Added unit tests for trusted issuer

src/test/java/eu/europa/ec/dgc/gateway/connector/TrustedIssuerDownloadConnectorTest.java

@@ -0,0 +1,94 @@
+/*-
+ * ---license-start
+ * EU Digital Green Certificate Gateway Service / dgc-lib
+ * ---
+ * Copyright (C) 2021 T-Systems International GmbH and all other contributors
+ * ---
+ * 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 eu.europa.ec.dgc.gateway.connector;
+
+import eu.europa.ec.dgc.gateway.connector.client.DgcGatewayConnectorRestClient;
+import eu.europa.ec.dgc.gateway.connector.model.TrustedIssuer;
+import eu.europa.ec.dgc.testdata.TrustedIssuerTestHelper;
+import feign.FeignException;
+import feign.Request;
+import feign.RequestTemplate;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import lombok.extern.slf4j.Slf4j;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.mock.mockito.MockBean;
+import org.springframework.http.ResponseEntity;
+
+import static org.mockito.Mockito.doThrow;
+import static org.mockito.Mockito.when;
+
+@SpringBootTest
+@Slf4j
+class TrustedIssuerDownloadConnectorTest {
+
+    @MockBean
+    DgcGatewayConnectorRestClient restClientMock;
+
+    @Autowired
+    DgcGatewayTrustedIssuerDownloadConnector connector;
+
+    @Autowired
+    TrustedIssuerTestHelper trustedIssuerTestHelper;
+
+    @Test
+    void testDownloadOfTrustedIssuerList() throws Exception {
+        Map<String,String> param = new HashMap<>();
+
+        when(restClientMock.downloadTrustedIssuers(param))
+            .thenReturn(ResponseEntity.ok(
+                List.of(trustedIssuerTestHelper.createTrustedIssuer("DE"),
+                    trustedIssuerTestHelper.createTrustedIssuer("EU"))));
+
+        List<TrustedIssuer> result = connector.getTrustedIssuers();
+        Assertions.assertEquals(2, result.size());
+        Assertions.assertEquals("DE", result.get(0).getCountry());
+        Assertions.assertEquals("EU", result.get(1).getCountry());
+
+    }
+
+    @Test
+    void shouldReturnEmptyListWhenDownloadFails() {
+        Map<String,String> param = new HashMap<>();
+
+        when(restClientMock.downloadTrustedIssuers(param))
+            .thenReturn(ResponseEntity.status(500).build());
+
+        Assertions.assertEquals(0, connector.getTrustedIssuers().size());
+
+        doThrow(new FeignException.InternalServerError("", dummyRequest(), null, null))
+            .when(restClientMock).downloadCountryList();
+
+        Assertions.assertEquals(0, connector.getTrustedIssuers().size());
+    }
+
+    /**
+     * Method to create dummy request which is required to throw FeignExceptions.
+     */
+    private Request dummyRequest() {
+        return Request.create(Request.HttpMethod.GET, "url", new HashMap<>(), null, new RequestTemplate());
+    }
+
+}

src/test/java/eu/europa/ec/dgc/testdata/TrustedIssuerTestHelper.java

@@ -0,0 +1,66 @@
+/*-
+ * ---license-start
+ * EU Digital Green Certificate Gateway Service / dgc-gateway
+ * ---
+ * Copyright (C) 2021 - 2022 T-Systems International GmbH and all other contributors
+ * ---
+ * 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 eu.europa.ec.dgc.testdata;
+
+
+import eu.europa.ec.dgc.gateway.connector.dto.TrustedIssuerDto;
+import eu.europa.ec.dgc.signing.SignedStringMessageBuilder;
+import lombok.RequiredArgsConstructor;
+import org.bouncycastle.cert.X509CertificateHolder;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+public class TrustedIssuerTestHelper {
+
+    private final DgcTestKeyStore testKeyStore;
+
+    public TrustedIssuerDto createTrustedIssuer(final String country) throws Exception {
+        TrustedIssuerDto trustedIssuer = new TrustedIssuerDto();
+        trustedIssuer.setUrl("https://trusted.issuer");
+        trustedIssuer.setName("tiName");
+        trustedIssuer.setCountry(country);
+        trustedIssuer.setType(TrustedIssuerDto.UrlTypeDto.HTTP);
+        trustedIssuer.setSslPublicKey("pubKey");
+        trustedIssuer.setThumbprint("thumbprint");
+        trustedIssuer.setKeyStorageType("JWKS");
+        final String signature = signString(getHashData(trustedIssuer));
+        trustedIssuer.setSignature(signature);
+
+        return trustedIssuer;
+    }
+
+    private String getHashData(TrustedIssuerDto entity) {
+        return entity.getUuid()+ ";"
+                + entity.getCountry() + ";"
+                + entity.getName() + ";"
+                + entity.getUrl() + ";"
+                + entity.getType().name() + ";";
+    }
+
+    public String signString(final String hashdata) throws Exception {
+        return new SignedStringMessageBuilder()
+            .withPayload(hashdata)
+            .withSigningCertificate(new X509CertificateHolder(testKeyStore.getTrustAnchor().getEncoded()), testKeyStore.getTrustAnchorPrivateKey())
+            .buildAsString();
+    }
+
+}