wip: start test for go-feature-flag support

Author: sideshowcoder

src/test/java/io/github/sideshowcoder/dropwizard_openfeature/OpenFeatureBundleGoFeatureFlagProviderTest.java

@@ -0,0 +1,43 @@
+package io.github.sideshowcoder.dropwizard_openfeature;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+
+import com.codahale.metrics.health.HealthCheck;
+
+import dev.openfeature.sdk.OpenFeatureAPI;
+import dev.openfeature.sdk.Client;
+import io.dropwizard.testing.ResourceHelpers;
+import io.dropwizard.testing.junit5.DropwizardAppExtension;
+import io.dropwizard.testing.junit5.DropwizardExtensionsSupport;
+import io.github.sideshowcoder.dropwizard_openfeature.helpers.App;
+import io.github.sideshowcoder.dropwizard_openfeature.helpers.Config;
+
+@ExtendWith(DropwizardExtensionsSupport.class)
+public class OpenFeatureBundleGoFeatureFlagProviderTest {
+
+    // TODO start the gofeatureflag/go-feature-flag:latest docker image which is the relay proxy to interact with the provider https://gofeatureflag.org/docs/relay-proxy/getting_started
+    // TODO create class to parse the configuration options see https://gofeatureflag.org/docs/relay-proxy/getting_started for available options
+    // TODO how can I make this work on github? Can I start docker containers there?
+
+    private static final DropwizardAppExtension<Config> APP = new DropwizardAppExtension<>(
+        App.class,
+        ResourceHelpers.resourceFilePath("go-feature-flag-provider-config.yml")
+    );
+
+    @Test
+    public void initializesHealthCheck() throws Exception {
+        HealthCheck.Result healthcheckResult = APP.getEnvironment().healthChecks().runHealthCheck("openfeature-health-check");
+        assertTrue(healthcheckResult.isHealthy());
+    }
+
+    @Test
+    public void providesFeatureFlagsViaInMemoryProvider() throws Exception {
+        // See flagd-test-flags.json for flag definitions used!
+        Client client = OpenFeatureAPI.getInstance().getClient("go-feature-flag-client");
+        assertEquals("red", client.getStringValue("static-string-flag", "not-expected-value"));
+    }
+}