Adding tests for unknown API Error Codes

src/test/java/com/apple/itunes/storekit/client/AppStoreServerAPIClientTest.java

@@ -474,6 +474,21 @@ public void testAPITooManyRequests() throws IOException {
         Assertions.fail();
     }
 
+    @Test
+    public void testAPIUnknownError() throws IOException {
+        String body = TestingUtility.readFile("models/apiUnknownError.json");
+        AppStoreServerAPIClient client = getAppStoreServerAPIClient(body, request -> {}, 400);
+        try {
+            client.getTransactionInfo("1234");
+        } catch (APIException e) {
+            Assertions.assertEquals(400 , e.getHttpStatusCode());
+            Assertions.assertNull(e.getApiError());
+            Assertions.assertEquals(9990000L, e.getRawApiError());
+            return;
+        }
+        Assertions.fail();
+    }
+
     public AppStoreServerAPIClient getClientWithBody(String path, Consumer<Request> requestVerifier) throws IOException {
         String body = TestingUtility.readFile(path);
         return getAppStoreServerAPIClient(body, requestVerifier);

src/test/java/com/apple/itunes/storekit/util/TestingUtility.java

@@ -23,8 +23,12 @@ public static byte[] readBytes(String file) throws IOException {
         }
     }
 
+    public static SignedDataVerifier getSignedPayloadVerifier(Environment environment, String bundleId, Long appAppleId) throws IOException {
+        return new SignedDataVerifier(Set.of(new ByteArrayInputStream(readBytes("certs/testCA.der"))), bundleId, appAppleId, environment, false);
+    }
+
     public static SignedDataVerifier getSignedPayloadVerifier(Environment environment, String bundleId) throws IOException {
-        return new SignedDataVerifier(Set.of(new ByteArrayInputStream(readBytes("certs/testCA.der"))), bundleId, 1234L, environment, false);
+        return getSignedPayloadVerifier(environment, bundleId, 1234L);
     }
 
     public static SignedDataVerifier getSignedPayloadVerifier() throws IOException {

src/test/java/com/apple/itunes/storekit/verification/SignedDataVerifierTest.java

@@ -36,6 +36,13 @@ public void testWrongBundleIdForServerNotification() throws IOException {
         Assertions.assertEquals(Status.INVALID_APP_IDENTIFIER, exception.getStatus());
     }
 
+    @Test
+    public void testWrongAppAppleIdForNotification() throws IOException {
+        SignedDataVerifier verifier = TestingUtility.getSignedPayloadVerifier(Environment.PRODUCTION, "com.example", 1235L);
+        VerificationException exception = Assertions.assertThrows(VerificationException.class, () -> verifier.verifyAndDecodeNotification(TestingUtility.readFile("mock_signed_data/testNotification")));
+        Assertions.assertEquals(Status.INVALID_APP_IDENTIFIER, exception.getStatus());
+    }
+
     @Test
     public void testWrongBundleIdForTransaction() throws IOException {
         SignedDataVerifier verifier = TestingUtility.getSignedPayloadVerifier(Environment.SANDBOX, "com.example.x");

src/test/java/com/apple/itunes/storekit/verification/XcodeSignedDataVerifierTest.java

@@ -87,7 +87,6 @@ public void testXcodeSignedRenewalInfo() throws IOException, VerificationExcepti
 
         JWSRenewalInfoDecodedPayload renewalInfo = verifier.verifyAndDecodeRenewalInfo(encodedRenewalInfo);
 
-        System.out.println(renewalInfo);
         Assertions.assertNull(renewalInfo.getExpirationIntent());
         Assertions.assertEquals("0", renewalInfo.getOriginalTransactionId());
         Assertions.assertEquals("pass.premium", renewalInfo.getAutoRenewProductId());

src/test/resources/models/apiUnknownError.json

@@ -0,0 +1,4 @@
+{
+  "errorCode": 9990000,
+  "errorMessage": "Testing error."
+}