fixup: fixing nit, and adding information for fallthrough

Signed-off-by: Simon Schrottner <[email protected]>

Author: aepfli

Diff for: .gitmodules

@@ -4,7 +4,7 @@
 [submodule "providers/flagd/test-harness"]
 	path = providers/flagd/test-harness
 	url = https://github.com/open-feature/test-harness.git
-	branch = v0.5.21
+	branch = v1.1.0
 [submodule "providers/flagd/spec"]
 	path = providers/flagd/spec
 	url = https://github.com/open-feature/spec.git

Diff for: providers/flagd/pom.xml

@@ -156,14 +156,13 @@
             <scope>test</scope>
         </dependency>
         <!-- uncomment for logoutput during test runs -->
-        <!--
+
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-simple</artifactId>
             <version>2.0.16</version>
             <scope>test</scope>
         </dependency>
-        -->
     </dependencies>
 
     <dependencyManagement>

Diff for: providers/flagd/src/main/java/dev/openfeature/contrib/providers/flagd/FlagdProvider.java

@@ -114,7 +114,7 @@ public synchronized void initialize(EvaluationContext evaluationContext) throws
         // block till ready - this works with deadline fine for rpc, but with in_process we also need to take parsing
         // into the equation
         // TODO: evaluate where we are losing time, so we can remove this magic number - follow up
-        Util.busyWaitAndCheck(this.deadline + 200, () -> initialized);
+        Util.busyWaitAndCheck(this.deadline + 500, () -> initialized);
     }
 
     @Override
@@ -195,15 +195,19 @@ private void onProviderEvent(FlagdProviderEvent flagdProviderEvent) {
             enrichedContext = contextEnricher.apply(flagdProviderEvent.getSyncMetadata());
         }
 
+        /*
+        We only use Error and Ready as previous states.
+        As error will first be emitted as Stale, and only turns after a while into an emitted Error.
+        Ready is needed, as the InProcessResolver does not have a dedicated ready event, hence we need to
+        forward a configuration changed to the ready, if we are not in the ready state.
+         */
         switch (flagdProviderEvent.getEvent()) {
             case PROVIDER_CONFIGURATION_CHANGED:
                 if (previousEvent == ProviderEvent.PROVIDER_READY) {
-                    this.emitProviderConfigurationChanged(ProviderEventDetails.builder()
-                            .flagsChanged(flagdProviderEvent.getFlagsChanged())
-                            .message("configuration changed")
-                            .build());
+                    onConfigurationChanged(flagdProviderEvent);
                     break;
                 }
+                // intentional fall through, a not-ready change will trigger a ready.
             case PROVIDER_READY:
                 onReady();
                 previousEvent = ProviderEvent.PROVIDER_READY;
@@ -220,6 +224,13 @@ private void onProviderEvent(FlagdProviderEvent flagdProviderEvent) {
         }
     }
 
+    private void onConfigurationChanged(FlagdProviderEvent flagdProviderEvent) {
+        this.emitProviderConfigurationChanged(ProviderEventDetails.builder()
+                .flagsChanged(flagdProviderEvent.getFlagsChanged())
+                .message("configuration changed")
+                .build());
+    }
+
     private void onReady() {
         if (!initialized) {
             initialized = true;

Diff for: providers/flagd/src/main/java/dev/openfeature/contrib/providers/flagd/resolver/process/storage/connector/grpc/GrpcStreamConnector.java

@@ -112,7 +112,6 @@ void observeEventStream(final BlockingQueue<QueuePayload> writeTo, final AtomicB
                 try {
                     metadataResponse = grpcConnector
                             .getResolver()
-                            .withDeadlineAfter(deadline, TimeUnit.MILLISECONDS)
                             .getMetadata(metadataRequest.build());
                 } catch (Exception e) {
                     // the chances this call fails but the syncRequest does not are slim
@@ -122,6 +121,7 @@ void observeEventStream(final BlockingQueue<QueuePayload> writeTo, final AtomicB
                     metadataException = e;
                 }
 
+                log.info("stream");
                 while (!shutdown.get()) {
                     final GrpcResponseModel response = streamReceiver.take();
                     if (response.isComplete()) {

Diff for: providers/flagd/src/test/java/dev/openfeature/contrib/providers/flagd/FlagdProviderTest.java

@@ -61,7 +61,6 @@
 import java.util.function.Consumer;
 import java.util.function.Function;
 import org.junit.jupiter.api.BeforeAll;
-import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 import org.mockito.MockedConstruction;
 
@@ -320,13 +319,6 @@ void resolvers_should_not_cache_responses_if_not_static() {
         do_resolvers_cache_responses(DEFAULT.toString(), true, false);
     }
 
-    @Test
-    @Disabled(
-            "This test seems to be wrong on the way, we are handling caching, as we return values as long as we are in stale mode")
-    void resolvers_should_not_cache_responses_if_event_stream_not_alive() {
-        do_resolvers_cache_responses(STATIC_REASON, false, false);
-    }
-
     @Test
     void context_is_parsed_and_passed_to_grpc_service() {
         final String BOOLEAN_ATTR_KEY = "bool-attr";

Diff for: providers/flagd/src/test/java/dev/openfeature/contrib/providers/flagd/resolver/common/GrpcConnectorTest.java

@@ -17,7 +17,6 @@
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.BeforeEach;
-import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
@@ -71,39 +70,6 @@ private void tearDownGrpcServer() throws InterruptedException {
         }
     }
 
-    @Test
-    @Disabled("not sure this test makes sense in this kind of way")
-    void whenShuttingDownAndRestartingGrpcServer_ConsumerReceivesDisconnectedAndConnectedEvent() throws Exception {
-        CountDownLatch sync = new CountDownLatch(2);
-        ArrayList<Boolean> connectionStateChanges = Lists.newArrayList();
-        Consumer<FlagdProviderEvent> testConsumer = event -> {
-            connectionStateChanges.add(!event.isDisconnected());
-            sync.countDown();
-        };
-
-        GrpcConnector<ServiceGrpc.ServiceStub, ServiceGrpc.ServiceBlockingStub> instance = new GrpcConnector<>(
-                FlagdOptions.builder().build(),
-                ServiceGrpc::newStub,
-                ServiceGrpc::newBlockingStub,
-                testConsumer,
-                stub -> stub.eventStream(Evaluation.EventStreamRequest.getDefaultInstance(), mockEventStreamObserver),
-                testChannel);
-
-        instance.initialize();
-
-        // when shutting down server
-        testServer.shutdown();
-        testServer.awaitTermination(1, TimeUnit.SECONDS);
-
-        // when restarting server
-        setupTestGrpcServer();
-
-        // then consumer received DISCONNECTED and CONNECTED event
-        boolean finished = sync.await(10, TimeUnit.SECONDS);
-        Assertions.assertTrue(finished);
-        Assertions.assertEquals(Lists.newArrayList(DISCONNECTED, CONNECTED), connectionStateChanges);
-    }
-
     @Test
     void whenShuttingDownGrpcConnector_ConsumerReceivesDisconnectedEvent() throws Exception {
         CountDownLatch sync = new CountDownLatch(1);