Add test cases for debugger helper

org.eclipse.lemminx/src/main/java/org/eclipse/lemminx/customservice/synapse/debugger/DebuggerHelper.java

@@ -72,6 +72,11 @@ public DebuggerHelper(String filePath) {
         }
     }
 
+    public DebuggerHelper(STNode syntaxTree) {
+
+        this.syntaxTree = syntaxTree;
+    }
+
     /**
      * This method is used to validate the breakpoints.
      *

org.eclipse.lemminx/src/main/java/org/eclipse/lemminx/customservice/synapse/debugger/entity/Breakpoint.java

@@ -18,6 +18,8 @@
 
 package org.eclipse.lemminx.customservice.synapse.debugger.entity;
 
+import java.util.Objects;
+
 public class Breakpoint {
 
     int line;
@@ -53,4 +55,28 @@ public void setColumn(Integer column) {
 
         this.column = column;
     }
+
+    @Override
+    public boolean equals(Object o) {
+
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        Breakpoint that = (Breakpoint) o;
+        return line == that.line && Objects.equals(column, that.column);
+    }
+
+    @Override
+    public int hashCode() {
+
+        return Objects.hash(line, column);
+    }
+
+    @Override
+    public String toString() {
+
+        return "Breakpoint{" +
+                "line=" + line +
+                ", column=" + column +
+                '}';
+    }
 }

org.eclipse.lemminx/src/main/java/org/eclipse/lemminx/customservice/synapse/debugger/entity/debuginfo/ApiDebugInfo.java

@@ -54,6 +54,31 @@ public void setUrlMapping(String urlMapping) {
         this.urlMapping = urlMapping;
     }
 
+    public String getApiKey() {
+
+        return apiKey;
+    }
+
+    public String getMethod() {
+
+        return method;
+    }
+
+    public String getUriTemplate() {
+
+        return uriTemplate;
+    }
+
+    public String getUrlMapping() {
+
+        return urlMapping;
+    }
+
+    public String getSequenceType() {
+
+        return sequenceType;
+    }
+
     public JsonElement toJson() {
 
         JsonObject rootNode = new JsonObject();
@@ -76,4 +101,19 @@ public JsonElement toJson() {
         rootNode.addProperty("mediation-component", "sequence");
         return rootNode;
     }
+
+    @Override
+    public String toString() {
+
+        return "ApiDebugInfo{" +
+                "apiKey='" + apiKey + '\'' +
+                ", method='" + method + '\'' +
+                ", uriTemplate='" + uriTemplate + '\'' +
+                ", urlMapping='" + urlMapping + '\'' +
+                ", sequenceType='" + sequenceType + '\'' +
+                ", mediatorPosition='" + mediatorPosition + '\'' +
+                ", isValid=" + isValid +
+                ", error='" + error + '\'' +
+                '}';
+    }
 }

org.eclipse.lemminx/src/main/java/org/eclipse/lemminx/customservice/synapse/debugger/entity/debuginfo/DebugInfo.java

@@ -74,4 +74,14 @@ public IDebugInfo clone() throws CloneNotSupportedException {
 
         return (IDebugInfo) super.clone();
     }
+
+    @Override
+    public String toString() {
+
+        return "DebugInfo{" +
+                "mediatorPosition='" + mediatorPosition + '\'' +
+                ", isValid=" + isValid +
+                ", error='" + error + '\'' +
+                '}';
+    }
 }

org.eclipse.lemminx/src/main/java/org/eclipse/lemminx/customservice/synapse/debugger/entity/debuginfo/InboundDebugInfo.java

@@ -27,4 +27,14 @@ public JsonElement toJson() {
 
         return null;
     }
+
+    @Override
+    public String toString() {
+
+        return "InboundDebugInfo{" +
+                "mediatorPosition='" + mediatorPosition + '\'' +
+                ", isValid=" + isValid +
+                ", error='" + error + '\'' +
+                '}';
+    }
 }

org.eclipse.lemminx/src/main/java/org/eclipse/lemminx/customservice/synapse/debugger/entity/debuginfo/ProxyDebugInfo.java

@@ -36,6 +36,16 @@ public void setSequenceType(String sequenceType) {
         this.sequenceType = sequenceType;
     }
 
+    public String getProxyKey() {
+
+        return proxyKey;
+    }
+
+    public String getSequenceType() {
+
+        return sequenceType;
+    }
+
     @Override
     public JsonElement toJson() {
 
@@ -51,4 +61,16 @@ public JsonElement toJson() {
         rootNode.addProperty("mediation-component", "sequence");
         return rootNode;
     }
+
+    @Override
+    public String toString() {
+
+        return "ProxyDebugInfo{" +
+                "proxyKey='" + proxyKey + '\'' +
+                ", sequenceType='" + sequenceType + '\'' +
+                ", mediatorPosition='" + mediatorPosition + '\'' +
+                ", isValid=" + isValid +
+                ", error='" + error + '\'' +
+                '}';
+    }
 }

org.eclipse.lemminx/src/main/java/org/eclipse/lemminx/customservice/synapse/debugger/entity/debuginfo/SequenceDebugInfo.java

@@ -45,4 +45,15 @@ public JsonElement toJson() {
 
         return rootNode;
     }
+
+    @Override
+    public String toString() {
+
+        return "SequenceDebugInfo{" +
+                "sequenceKey='" + sequenceKey + '\'' +
+                ", mediatorPosition='" + mediatorPosition + '\'' +
+                ", isValid=" + isValid +
+                ", error='" + error + '\'' +
+                '}';
+    }
 }

org.eclipse.lemminx/src/main/java/org/eclipse/lemminx/customservice/synapse/debugger/entity/debuginfo/TemplateDebugInfo.java

@@ -30,6 +30,11 @@ public void setTemplateKey(String templateKey) {
         this.templateKey = templateKey;
     }
 
+    public String getTemplateKey() {
+
+        return templateKey;
+    }
+
     @Override
     public JsonElement toJson() {
 
@@ -43,4 +48,15 @@ public JsonElement toJson() {
 
         return rootNode;
     }
+
+    @Override
+    public String toString() {
+
+        return "TemplateDebugInfo{" +
+                "templateKey='" + templateKey + '\'' +
+                ", mediatorPosition='" + mediatorPosition + '\'' +
+                ", isValid=" + isValid +
+                ", error='" + error + '\'' +
+                '}';
+    }
 }

org.eclipse.lemminx/src/test/java/org/eclipse/lemminx/synapse/debugger/APITest.java

@@ -0,0 +1,111 @@
+/*
+ * Copyright (c) 2025, WSO2 LLC. (http://www.wso2.com).
+ *
+ * WSO2 LLC. licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.eclipse.lemminx.synapse.debugger;
+
+import org.eclipse.lemminx.customservice.synapse.debugger.entity.Breakpoint;
+import org.eclipse.lemminx.customservice.synapse.debugger.entity.debuginfo.ApiDebugInfo;
+import org.junit.jupiter.api.Test;
+
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class APITest extends AbstractDebuggerTest {
+
+    @Override
+    protected String getResourcePath() {
+
+        return "/synapse/debugger/api.xml";
+    }
+
+    @Test
+    public void test_URLResource() {
+
+        Breakpoint breakpoint = new Breakpoint(22, 12);
+        ApiDebugInfo debugInfo = (ApiDebugInfo) getDebugInfo(List.of(breakpoint)).get(0);
+        assertEquals("0", debugInfo.getMediatorPosition());
+        assertEquals("/postUrl", debugInfo.getUrlMapping());
+        assertEquals("POST", debugInfo.getMethod());
+        assertEquals("api_inseq", debugInfo.getSequenceType());
+    }
+
+    @Test
+    public void test_URIResource() {
+
+        Breakpoint breakpoint = new Breakpoint(48, 12);
+        ApiDebugInfo debugInfo = (ApiDebugInfo) getDebugInfo(List.of(breakpoint)).get(0);
+        assertEquals("0", debugInfo.getMediatorPosition());
+        assertEquals("/postUri/{path1}?query1={query1}", debugInfo.getUriTemplate());
+        assertEquals("POST", debugInfo.getMethod());
+        assertEquals("api_inseq", debugInfo.getSequenceType());
+    }
+
+    @Test
+    public void testMultipleBreakpoint_APIInSequence() throws Exception {
+
+        Breakpoint breakpoint1 = new Breakpoint(22, 12);
+        Breakpoint breakpoint2 = new Breakpoint(25, 12);
+        testDebugInfo(List.of(breakpoint1, breakpoint2), List.of("0", "1"));
+    }
+
+    @Test
+    public void test_APIOutSequence() {
+
+        Breakpoint breakpoint = new Breakpoint(30, 12);
+
+        ApiDebugInfo debugInfo = (ApiDebugInfo) getDebugInfo(List.of(breakpoint)).get(0);
+        assertEquals("0", debugInfo.getMediatorPosition());
+        assertEquals("api_outseq", debugInfo.getSequenceType());
+        assertEquals("POST", debugInfo.getMethod());
+        assertEquals("/postUrl", debugInfo.getUrlMapping());
+        assertEquals("api_outseq", debugInfo.getSequenceType());
+
+        testStepOverInfo(breakpoint, List.of(new Breakpoint(33, 12)));
+    }
+
+    @Test
+    public void testMultipleBreakpoint_APIOutSequence() throws Exception {
+
+        Breakpoint breakpoint1 = new Breakpoint(30, 12);
+        Breakpoint breakpoint2 = new Breakpoint(33, 12);
+        testDebugInfo(List.of(breakpoint1, breakpoint2), List.of("0", "1"));
+    }
+
+    @Test
+    public void test_APIFaultSequence() throws Exception {
+
+        Breakpoint breakpoint = new Breakpoint(38, 12);
+        ApiDebugInfo debugInfo = (ApiDebugInfo) getDebugInfo(List.of(breakpoint)).get(0);
+        assertEquals("0", debugInfo.getMediatorPosition());
+        assertEquals("api_faultseq", debugInfo.getSequenceType());
+        assertEquals("POST", debugInfo.getMethod());
+        assertEquals("/postUrl", debugInfo.getUrlMapping());
+        assertEquals("api_faultseq", debugInfo.getSequenceType());
+
+        testStepOverInfo(breakpoint, List.of(new Breakpoint(41, 12)));
+    }
+
+    @Test
+    public void testMultipleBreakpoint_APIFaultSequence() throws Exception {
+
+        Breakpoint breakpoint1 = new Breakpoint(38, 12);
+        Breakpoint breakpoint2 = new Breakpoint(41, 12);
+        testDebugInfo(List.of(breakpoint1, breakpoint2), List.of("0", "1"));
+    }
+}