flaky tests attempt, changing it to stop flagd all the time, without stopping the container

Signed-off-by: Simon Schrottner <simon.schrottner@dynatrace.com>

Author: aepfli

providers/flagd/spec

@@ -209,7 +209,7 @@ EvaluationContext getEnrichedContext() {
     private void onProviderEvent(FlagdProviderEvent flagdProviderEvent) {
 
         synchronized (eventsLock) {
-            log.info("FlagdProviderEvent: {}", flagdProviderEvent);
+            log.info("FlagdProviderEvent: {}", flagdProviderEvent.getEvent());
             eventsLock.syncMetadata = flagdProviderEvent.getSyncMetadata();
             if (flagdProviderEvent.getSyncMetadata() != null) {
                 eventsLock.enrichedContext = contextEnricher.apply(flagdProviderEvent.getSyncMetadata());

providers/flagd/src/main/java/dev/openfeature/contrib/providers/flagd/FlagdProvider.java

@@ -47,8 +47,11 @@ public static void monitorChannelState(
                     log.debug("onConnectionLost is null");
                 }
             }
-            // Re-register the state monitor to watch for the next state transition.
-            monitorChannelState(currentState, channel, onConnectionReady, onConnectionLost);
+            if (currentState != ConnectivityState.SHUTDOWN) {
+                log.debug("shutting down grpc channel");
+                // Re-register the state monitor to watch for the next state transition.
+                monitorChannelState(currentState, channel, onConnectionReady, onConnectionLost);
+            }
         });
     }
 

providers/flagd/src/main/java/dev/openfeature/contrib/providers/flagd/resolver/common/ChannelMonitor.java

@@ -64,6 +64,7 @@ public void onCompleted() {}
      * @param value the event stream response containing configuration change data
      */
     private void handleConfigurationChangeEvent(EventStreamResponse value) {
+        log.debug("Received provider change event");
         List<String> changedFlags = new ArrayList<>();
 
         Map<String, Value> data = value.getData().getFieldsMap();
@@ -80,7 +81,7 @@ private void handleConfigurationChangeEvent(EventStreamResponse value) {
      * Handles provider readiness events by clearing the cache (if enabled) and notifying listeners of readiness.
      */
     private void handleProviderReadyEvent() {
-        log.info("Received provider ready event");
+        log.debug("Received provider ready event");
         onReady.accept(new FlagdProviderEvent(ProviderEvent.PROVIDER_READY));
     }
 }

providers/flagd/src/main/java/dev/openfeature/contrib/providers/flagd/resolver/grpc/EventStreamObserver.java

@@ -0,0 +1,3 @@
+org.org.slf4j.simpleLogger.defaultLogLevel=debug
+
+io.grpc.level=trace

providers/flagd/src/main/resources/simplelogger.properties

@@ -46,7 +46,6 @@
 import dev.openfeature.sdk.Reason;
 import dev.openfeature.sdk.Structure;
 import dev.openfeature.sdk.Value;
-import io.cucumber.java.AfterAll;
 import java.lang.reflect.Field;
 import java.lang.reflect.Method;
 import java.util.ArrayList;
@@ -60,7 +59,8 @@
 import java.util.concurrent.TimeUnit;
 import java.util.function.Consumer;
 import java.util.function.Function;
-import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.mockito.MockedConstruction;
 
@@ -90,15 +90,15 @@ class FlagdProviderTest {
             .build();
     private static final String STRING_VALUE = "hi!";
 
-    private static OpenFeatureAPI api;
+    private OpenFeatureAPI api;
 
-    @BeforeAll
-    public static void init() {
+    @BeforeEach
+    public void init() {
         api = OpenFeatureAPI.getInstance();
     }
 
-    @AfterAll
-    public static void cleanUp() {
+    @AfterEach
+    public void cleanUp() {
         api.shutdown();
     }
 

providers/flagd/src/test/java/dev/openfeature/contrib/providers/flagd/FlagdProviderTest.java

@@ -6,6 +6,7 @@
 
 import dev.openfeature.contrib.providers.flagd.Config;
 import org.apache.logging.log4j.core.config.Order;
+import org.junit.jupiter.api.parallel.Isolated;
 import org.junit.platform.suite.api.BeforeSuite;
 import org.junit.platform.suite.api.ConfigurationParameter;
 import org.junit.platform.suite.api.ExcludeTags;
@@ -30,6 +31,7 @@
 @IncludeTags("in-process")
 @ExcludeTags({"unixsocket", "targetURI"})
 @Testcontainers
+@Isolated
 public class RunInProcessTest {
 
     @BeforeSuite

providers/flagd/src/test/java/dev/openfeature/contrib/providers/flagd/e2e/RunInProcessTest.java

@@ -6,6 +6,7 @@
 import dev.openfeature.contrib.providers.flagd.e2e.steps.FlagSteps;
 import dev.openfeature.contrib.providers.flagd.e2e.steps.ProviderType;
 import dev.openfeature.sdk.Client;
+import dev.openfeature.sdk.FeatureProvider;
 import dev.openfeature.sdk.FlagEvaluationDetails;
 import dev.openfeature.sdk.MutableContext;
 import java.util.LinkedList;
@@ -15,6 +16,7 @@
 public class State {
     public ProviderType providerType;
     public Client client;
+    public FeatureProvider provider;
     public List<Event> events = new LinkedList<>();
     public Optional<Event> lastEvent;
     public FlagSteps.Flag flag;

providers/flagd/src/test/java/dev/openfeature/contrib/providers/flagd/e2e/State.java

@@ -25,7 +25,7 @@ public EventSteps(State state) {
     @Given("a {} event handler")
     public void a_stale_event_handler(String eventType) {
         state.client.on(mapEventType(eventType), eventDetails -> {
-            log.info("event tracked for {} at {} ms ", eventType, System.currentTimeMillis()%100_000);
+            log.info("event tracked for {} at {} ms ", eventType, System.currentTimeMillis() % 100_000);
             state.events.add(new Event(eventType, eventDetails));
         });
     }
@@ -58,12 +58,13 @@ public void eventHandlerShouldBeExecuted(String eventType) {
     @Then("the {} event handler should have been executed within {int}ms")
     public void eventHandlerShouldBeExecutedWithin(String eventType, int ms) {
         log.info("waiting for eventtype: {}", eventType);
-        await().atMost(ms, MILLISECONDS)
+        await().alias("waiting for eventtype " + eventType)
+                .atMost(ms, MILLISECONDS)
                 .pollInterval(10, MILLISECONDS)
                 .until(() -> state.events.stream().anyMatch(event -> event.type.equals(eventType)));
         state.lastEvent = state.events.stream()
                 .filter(event -> event.type.equals(eventType))
                 .findFirst();
-        state.events.removeIf(event -> event.type.equals(eventType));
+        state.events.clear();
     }
 }

providers/flagd/src/test/java/dev/openfeature/contrib/providers/flagd/e2e/steps/EventSteps.java

@@ -25,7 +25,6 @@
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.RandomStringUtils;
 import org.junit.jupiter.api.parallel.Isolated;
-import org.junit.platform.suite.api.BeforeSuite;
 import org.testcontainers.containers.BindMode;
 import org.testcontainers.shaded.org.apache.commons.io.FileUtils;
 
@@ -42,7 +41,6 @@ public ProviderSteps(State state) {
         super(state);
     }
 
-    /*
     @BeforeAll
     public static void beforeAll() throws IOException {
         State.resolverType = Config.Resolver.RPC;
@@ -66,33 +64,13 @@ public void before() throws IOException {
     }
 
     @After
-    public void tearDown() {
-        OpenFeatureAPI.getInstance().shutdown();
-    }
-    */
-
-    @BeforeAll
-    public static void beforeAll() {
-        State.resolverType = Config.Resolver.RPC;
-    }
-
-    @Before
-    public void before() throws IOException {
-        state.events.clear();
-        sharedTempDir = Files.createDirectories(
-                Paths.get("tmp/" + RandomStringUtils.randomAlphanumeric(8).toLowerCase() + "/"));
-        container = new FlagdContainer()
-                .withFileSystemBind(sharedTempDir.toAbsolutePath().toString(), "/tmp", BindMode.READ_WRITE);
-        if (!container.isRunning()) {
-            container.start();
+    public void tearDown() throws InterruptedException {
+        if (state.client != null) {
+            when().post("http://" + container.getLaunchpadUrl() + "/stop")
+                    .then()
+                    .statusCode(200);
         }
-    }
-
-    @After
-    public void tearDown() throws IOException {
         OpenFeatureAPI.getInstance().shutdown();
-        container.stop();
-        FileUtils.deleteDirectory(sharedTempDir.toFile());
     }
 
     @Given("a {} flagd provider")
@@ -167,16 +145,16 @@ public void setupProvider(String providerType) throws IOException, InterruptedEx
         this.state.client = api.getClient(providerName);
     }
 
+    @When("the connection is lost")
+    public void the_connection_is_lost() throws InterruptedException {
+        when().post("http://" + container.getLaunchpadUrl() + "/stop").then().statusCode(200);
+    }
+
     @When("the connection is lost for {int}s")
     public void the_connection_is_lost_for(int seconds) throws InterruptedException {
-        log.info("Timeout and wait for {} seconds starting at {} ms, should resume at {} ms", seconds,
-                System.currentTimeMillis() % 100_000, System.currentTimeMillis() % 100_000 + seconds * 1000L);
-
         when().post("http://" + container.getLaunchpadUrl() + "/restart?seconds={seconds}", seconds)
                 .then()
                 .statusCode(200);
-        // we might be too fast in the execution
-        Thread.sleep(100);
     }
 
     @When("the flag was modified")

providers/flagd/src/test/java/dev/openfeature/contrib/providers/flagd/e2e/steps/ProviderSteps.java

@@ -0,0 +1,4 @@
+org.org.slf4j.simpleLogger.defaultLogLevel=debug
+org.slf4j.simpleLogger.showDateTime=
+
+io.grpc.level=trace