extend: Remove 'flow' child from global (#2527)

- update examples and tests

Author: predic8

core/src/main/java/com/predic8/membrane/core/interceptor/GlobalInterceptor.java

@@ -22,7 +22,7 @@
  * @description The global chain applies plugins to all endpoints, enabling centralized features
  *              such as global user authentication, logging, and other cross-cutting concerns.
  */
-@MCElement(name = "global", excludeFromFlow = true, component = false, topLevel = true)
+@MCElement(name = "global", excludeFromFlow = true, component = false, topLevel = true, noEnvelope = true)
 public class GlobalInterceptor extends AbstractFlowWithChildrenInterceptor {
 
     @Override

distribution/examples/extending-membrane/global-interceptor/README.md

@@ -11,11 +11,11 @@ Some functionalities, such as authentication and rate limiting, are required acr
 2. **Test the APIs:**
     - **API 1 (Port 2000) → Returns `200 OK`**
       ```sh
-      curl -i http://localhost:2000
+      curl -i http://localhost:2000/foo
       ```
     - **API 2 (Port 2001) → Returns `404 Not Found`**
       ```sh
-      curl -i http://localhost:2001
+      curl -i http://localhost:2001/bar
       ```  
       **Check the request:** both contain CORS headers
-3. **Check `proxies.xml`** to see how the global interceptors are applied.
+3. **Check `apis.yaml`** to see how the global interceptors are applied.

distribution/examples/extending-membrane/global-interceptor/apis.yaml

@@ -0,0 +1,31 @@
+# yaml-language-server: $schema=https://www.membrane-api.io/v7.0.4.json
+
+global:
+  - log:
+      message: "Path: ${path}"
+  - response:
+      - setHeader:
+          name: Access-Control-Allow-Origin
+          value: "*"
+      - setHeader:
+          name: Access-Control-Allow-Methods
+          value: GET, POST
+      - setHeader:
+          name: Access-Control-Allow-Headers
+          value: Content-Type
+
+---
+
+api:
+  port: 2000
+  flow:
+    - return:
+        status: 200
+
+---
+
+api:
+  port: 2001
+  flow:
+    - return:
+        status: 404

distribution/src/test/java/com/predic8/membrane/examples/withoutinternet/test/GlobalInterceptorExampleTest.java

@@ -14,10 +14,11 @@
 
 package com.predic8.membrane.examples.withoutinternet.test;
 
-import com.predic8.membrane.examples.util.AbstractSampleMembraneStartStopTestcase;
-import org.junit.jupiter.api.Test;
+import com.predic8.membrane.examples.util.*;
+import org.junit.jupiter.api.*;
 
-import static io.restassured.RestAssured.given;
+import static com.predic8.membrane.core.http.Header.*;
+import static io.restassured.RestAssured.*;
 
 public class GlobalInterceptorExampleTest extends AbstractSampleMembraneStartStopTestcase {
 
@@ -28,30 +29,28 @@ protected String getExampleDirName() {
 
     // @formatter:off
     @Test
-    public void request1() {
+    void request1() {
         given()
         .when()
             .get("http://localhost:2000")
         .then()
             .assertThat()
             .header("Access-Control-Allow-Origin", "*")
-            .header("Access-Control-Allow-Methods", "*")
-            .header("Access-Control-Allow-Headers", "*")
-            .header("Access-Control-Allow-Credentials", "*")
+            .header("Access-Control-Allow-Methods", "GET, POST")
+            .header("Access-Control-Allow-Headers", CONTENT_TYPE)
             .statusCode(200);
     }
 
     @Test
-    public void request2() {
+    void request2() {
         given()
         .when()
             .get("http://localhost:2001")
         .then()
             .assertThat()
             .header("Access-Control-Allow-Origin", "*")
-            .header("Access-Control-Allow-Methods", "*")
-            .header("Access-Control-Allow-Headers", "*")
-            .header("Access-Control-Allow-Credentials", "*")
+            .header("Access-Control-Allow-Methods", "GET, POST")
+            .header("Access-Control-Allow-Headers", CONTENT_TYPE)
             .statusCode(404);
     }
     // @formatter:on