java: Ignore unknown keys

Author: svix-mman

java/lib/src/main/java/com/svix/Utils.java

@@ -1,6 +1,7 @@
 package com.svix;
 
 import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.SerializationFeature;
 import com.fasterxml.jackson.datatype.jdk8.Jdk8Module;
@@ -53,6 +54,7 @@ public static ObjectMapper getObjectMapper() {
         ObjectMapper mapper = new ObjectMapper();
         mapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
         mapper.enable(JsonParser.Feature.INCLUDE_SOURCE_IN_LOCATION);
+        mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
         mapper.registerModule(new JavaTimeModule());
         mapper.registerModule(new Jdk8Module());
         return mapper;

java/lib/src/test/com/svix/test/WiremockTests.java

@@ -544,4 +544,17 @@ public void testClientProvidedIdempotencyKeyIsNotOverridden() throws Exception {
                         .withHeader("idempotency-key", equalTo(clientProvidedKey)));
     }
 
+    @Test
+    public void testUnknownKeysAreIgnored() throws Exception {
+        String res = "{\"data\": [],\"iterator\": \"iterator\",\"prevIterator\": \"-iterator\",\"done\": true,\"extra-field\": \"ignored\"}";
+        Svix svx = testClient();
+        wireMockRule.stubFor(
+                WireMock.get(urlEqualTo("/api/v1/app"))
+                        .willReturn(WireMock.ok().withBody(res)));
+
+        svx.getApplication().list();
+
+        wireMockRule.verify(1, getRequestedFor(urlEqualTo("/api/v1/app")));
+    }
+
 }