add test for metric

Author: swibi-ttd

src/test/java/com/uid2/operator/UIDOperatorVerticleTest.java

@@ -5253,6 +5253,51 @@ void asyncBatchRequestEnabledLogsCorrectMessage(Vertx vertx, VertxTestContext te
         testContext.completeNow();
     }
 
+    @Test
+    void rawEmailDotMetricRecorded(Vertx vertx, VertxTestContext testContext) {
+        fakeAuth(201, Role.GENERATOR, Role.MAPPER);
+        setupSalts();
+        setupKeys();
+
+        // /v2/token/generate
+        String emailHash = TokenUtils.getIdentityHashString("hash@example.com");
+        sendTokenGenerate(vertx, new JsonObject().put("email", "john.doe@example.com"), 200, json -> {}); // dot, non-gmail
+        sendTokenGenerate(vertx, new JsonObject().put("email", "johndoe@example.com"), 200, json -> {});  // no dot, non-gmail
+        sendTokenGenerate(vertx, new JsonObject().put("email", "john.doe@gmail.com"), 200, json -> {});   // dot, gmail
+        sendTokenGenerate(vertx, new JsonObject().put("email_hash", emailHash), 200, json -> {            // hash - should not record
+
+            assertEquals(1, Metrics.globalRegistry
+                    .get("uid2_operator_raw_email_dot_total")
+                    .tag("path", "/v2/token/generate").tag("has_dot", "true").tag("is_gmail", "false")
+                    .counter().count());
+            assertEquals(1, Metrics.globalRegistry
+                    .get("uid2_operator_raw_email_dot_total")
+                    .tag("path", "/v2/token/generate").tag("has_dot", "false").tag("is_gmail", "false")
+                    .counter().count());
+            assertEquals(1, Metrics.globalRegistry
+                    .get("uid2_operator_raw_email_dot_total")
+                    .tag("path", "/v2/token/generate").tag("has_dot", "true").tag("is_gmail", "true")
+                    .counter().count());
+            // has_dot=false, is_gmail=false count is still 1 — hash request did not increment it
+            assertEquals(1, Metrics.globalRegistry
+                    .get("uid2_operator_raw_email_dot_total")
+                    .tag("path", "/v2/token/generate").tag("has_dot", "false").tag("is_gmail", "false")
+                    .counter().count());
+
+            // /v2/identity/map — batch with two dot emails to verify counter reaches 2
+            JsonObject mapReq = new JsonObject().put("email", new JsonArray()
+                    .add("a.b@example.com")
+                    .add("c.d@example.com"));
+            send(vertx, "v2/identity/map", mapReq, 200, mapJson -> {
+                assertEquals(2, Metrics.globalRegistry
+                        .get("uid2_operator_raw_email_dot_total")
+                        .tag("path", "/v2/identity/map").tag("has_dot", "true").tag("is_gmail", "false")
+                        .counter().count());
+                testContext.completeNow();
+            });
+        });
+    }
+
     @Test
     void asyncBatchRequestDisabledLogsCorrectMessage(Vertx vertx, VertxTestContext testContext) {
         // Verify that when enable_async_batch_request is false, the correct log message is emitted