chore: split 100 topics tests in old and new behaviour (#1803)

* chore: split 100 topics tests in old and new behavioud

* add remove test TODO

Author: fbarbu15

packages/tests/tests/filter/single_node/subscribe.node.spec.ts

@@ -220,11 +220,14 @@ describe("Waku Filter V2: Subscribe", function () {
     });
   });
 
-  it("Subscribe to 100 topics at once and receives messages", async function () {
-    let topicCount = 30;
+  it("Subscribe to 100 topics (new limit) at once and receives messages", async function () {
+    let topicCount: number;
     if (isNwakuAtLeast("0.24.0")) {
       this.timeout(50000);
       topicCount = 100;
+    } else {
+      // skipping for old versions where the limit is 30
+      this.skip();
     }
     const td = generateTestData(topicCount);
 
@@ -255,10 +258,82 @@ describe("Waku Filter V2: Subscribe", function () {
     }
   });
 
-  it("Error when try to subscribe to more than 101 topics", async function () {
-    let topicCount = 31;
+  //TODO: remove test when WAKUNODE_IMAGE is 0.24.0
+  it("Subscribe to 30 topics (old limit) at once and receives messages", async function () {
+    let topicCount: number;
+    if (isNwakuAtLeast("0.24.0")) {
+      // skipping for new versions where the new limit is 100
+      this.skip();
+    } else {
+      topicCount = 30;
+    }
+
+    const td = generateTestData(topicCount);
+
+    await subscription.subscribe(td.decoders, messageCollector.callback);
+
+    // Send a unique message on each topic.
+    for (let i = 0; i < topicCount; i++) {
+      await waku.lightPush.send(td.encoders[i], {
+        payload: utf8ToBytes(`Message for Topic ${i + 1}`)
+      });
+    }
+
+    // Open issue here: https://github.com/waku-org/js-waku/issues/1790
+    // That's why we use the try catch block
+    try {
+      // Verify that each message was received on the corresponding topic.
+      expect(await messageCollector.waitForMessages(topicCount)).to.eq(true);
+      td.contentTopics.forEach((topic, index) => {
+        messageCollector.verifyReceivedMessage(index, {
+          expectedContentTopic: topic,
+          expectedMessageText: `Message for Topic ${index + 1}`
+        });
+      });
+    } catch (error) {
+      console.warn(
+        "This test still fails because of https://github.com/waku-org/js-waku/issues/1790"
+      );
+    }
+  });
+
+  it("Error when try to subscribe to more than 101 topics (new limit)", async function () {
+    let topicCount: number;
     if (isNwakuAtLeast("0.24.0")) {
       topicCount = 101;
+    } else {
+      // skipping for old versions where the limit is 30
+      this.skip();
+    }
+    const td = generateTestData(topicCount);
+
+    try {
+      await subscription.subscribe(td.decoders, messageCollector.callback);
+      throw new Error(
+        `Subscribe to ${topicCount} topics was successful but was expected to fail with a specific error.`
+      );
+    } catch (err) {
+      if (
+        err instanceof Error &&
+        err.message.includes(
+          `exceeds maximum content topics: ${topicCount - 1}`
+        )
+      ) {
+        return;
+      } else {
+        throw err;
+      }
+    }
+  });
+
+  //TODO: remove test when WAKUNODE_IMAGE is 0.24.0
+  it("Error when try to subscribe to more than 31 topics (old limit)", async function () {
+    let topicCount: number;
+    if (isNwakuAtLeast("0.24.0")) {
+      // skipping for new versions where the new limit is 100
+      this.skip();
+    } else {
+      topicCount = 31;
     }
     const td = generateTestData(topicCount);