graal: reflect-config.json for hateoas classes

http-server-tck/src/main/java/io/micronaut/http/server/tck/tests/hateoas/JsonErrorTest.java

@@ -0,0 +1,79 @@
+/*
+ * Copyright 2017-2023 original authors
+ *
+ * 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
+ *
+ * https://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.
+ */
+package io.micronaut.http.server.tck.tests.hateoas;
+
+import io.micronaut.core.value.OptionalMultiValues;
+import io.micronaut.http.HttpRequest;
+import io.micronaut.http.client.exceptions.HttpClientResponseException;
+import io.micronaut.http.hateoas.GenericResource;
+import io.micronaut.http.hateoas.Link;
+import io.micronaut.http.hateoas.Resource;
+import io.micronaut.http.hateoas.VndError;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.function.Executable;
+
+import java.io.IOException;
+import java.util.List;
+import java.util.Optional;
+
+import static io.micronaut.http.tck.TestScenario.asserts;
+import static org.junit.jupiter.api.Assertions.*;
+
+
+@SuppressWarnings({
+    "java:S5960", // We're allowed assertions, as these are used in tests only
+    "checkstyle:MissingJavadocType",
+    "checkstyle:DesignForExtension"
+})
+public class JsonErrorTest {
+    private static final String SPEC_NAME = "JsonErrorTest";
+
+    /**
+     * @throws IOException Exception thrown while getting the server under test.
+     */
+    @Test
+    public void responseCanBeBoundToJsonError() throws IOException {
+        asserts(SPEC_NAME,
+                HttpRequest.GET("/jsonError"),
+                (server, request) -> {
+                    Executable e = () -> server.exchange(request, VndError.class);
+                    HttpClientResponseException ex = Assertions.assertThrows(HttpClientResponseException.class, e);
+                    Optional<VndError> vndErrorOptional = ex.getResponse().getBody(VndError.class);
+                    assertTrue(vndErrorOptional.isPresent());
+                    VndError vndError = vndErrorOptional.get();
+                    assertEquals("Not Found", vndError.getMessage());
+                    OptionalMultiValues<Link> links = vndError.getLinks();
+                    assertFalse(links.isEmpty());
+                    links.getFirst("self").ifPresent(link -> {
+                        assertEquals("/jsonError", link.getHref());
+                        assertFalse(link.isTemplated());
+                    });
+                    OptionalMultiValues<Resource> resourceOptionalMultiValues = vndError.getEmbedded();
+                    assertFalse(resourceOptionalMultiValues.isEmpty());
+
+                    Optional<List<Resource>> errorsOptional = resourceOptionalMultiValues.get("errors");
+                    assertTrue(errorsOptional.isPresent());
+                    List<Resource> resources = errorsOptional.get();
+                    Optional<GenericResource> genericResourceOptional = resources.stream()
+                            .filter(resource -> resource instanceof GenericResource)
+                            .map(GenericResource.class::cast)
+                            .findFirst();
+                    assertTrue(genericResourceOptional.isPresent());
+                    assertEquals("Page Not Found", genericResourceOptional.get().getAdditionalProperties().get("message"));
+                    });
+    }
+}