[tables] allows non-default port for Azurite emulator (#32262)

This PR addresses the issue of Azurite emulator endpoint with a
non-default
port (one that is not 10002) being treated as Cosmos endpoint.

-------

### Packages impacted by this PR
`@azure/data-tables`

### Issues associated with this PR
#32239

sdk/tables/data-tables/src/utils/isCosmosEndpoint.ts

@@ -11,7 +11,20 @@ export function isCosmosEndpoint(url: string): boolean {
     return true;
   }
 
-  if (parsedURL.hostname === "localhost" && parsedURL.port !== "10002") {
+  // Azurite emulator IP-style URL for table?
+  if (
+    (parsedURL.hostname === "localhost" || parsedURL.hostname === "127.0.0.1") &&
+    parsedURL.pathname.startsWith("/devstoreaccount1")
+  ) {
+    return false;
+  }
+
+  const azuriteAccounts = process?.env?.AZURITE_ACCOUNTS?.split(":");
+  if (azuriteAccounts?.[0] && parsedURL.hostname.includes(azuriteAccounts[0])) {
+    return false;
+  }
+
+  if (parsedURL.hostname === "localhost") {
     return true;
   }
 

sdk/tables/data-tables/test/internal/isCosmosEndpoint.spec.ts

@@ -0,0 +1,42 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+import { describe, it, assert } from "vitest";
+import { isCosmosEndpoint } from "../../src/utils/isCosmosEndpoint.js";
+
+describe("isCosmosEndpoint", () => {
+  it("returns true for cosmosdb.* host", () => {
+    const result = isCosmosEndpoint("https://abc.table.cosmosdb.azure.com");
+    assert.isTrue(result);
+  });
+
+  it("returns true for cosmos.* host", () => {
+    const result = isCosmosEndpoint("https://abc.table.cosmos.azure.com");
+    assert.isTrue(result);
+  });
+
+  it("returns true for localhost", () => {
+    const result = isCosmosEndpoint("https://localhost:8092");
+    assert.isTrue(result);
+  });
+
+  it("returns false for azurite default endpoint", () => {
+    const result = isCosmosEndpoint("https://127.0.0.1:10002/devstoreaccount1");
+    assert.isFalse(result);
+  });
+
+  it("returns false for azurite default endpoint with non-default port", () => {
+    const result = isCosmosEndpoint("https://127.0.0.1:20002/devstoreaccount1");
+    assert.isFalse(result);
+  });
+
+  it("returns false for azurite default localhost endpoint", () => {
+    const result = isCosmosEndpoint("https://localhost:10002/devstoreaccount1");
+    assert.isFalse(result);
+  });
+
+  it("returns false for azurite default localhost endpoint with non-default port", () => {
+    const result = isCosmosEndpoint("https://localhost:20002/devstoreaccount1");
+    assert.isFalse(result);
+  });
+});