Coverage Summary for Class: JSONSchema (debug.com.greybox.projectmesh.messaging.data.entities)

 package com.greybox.projectmesh.messaging.data.entities
 
 import android.util.Log
 import org.json.JSONObject
 import org.json.JSONException
 
 /**
  * Utility class to validate JSON strings against a predefined JSON schema.
  *
  * The schema enforces required fields and data types for messages.
  */
 class JSONSchema {
 
     private val schemaString = """
 {
     "type": "object",
     "required": ["id", "chat", "content", "dateReceived", "sender"],
     "properties": {
         "id": { "type": "integer" },
         "chat": { "type": "string" },
         "content": { "type": "string" },
         "dateReceived": { "type": "integer" },
         "sender": { "type": "string" },
         "file": { "type": "string", "format": "uri" }
     }
 }
 """
 
     /**
      * Validates a JSON string against the internal schema.
      *
      * @param json The JSON string representing a message.
      * @return True if the JSON is valid according to the schema, false otherwise.
      */
     fun schemaValidation(json: String): Boolean {
         //Log.d("JSONSchema", "Validating JSON: $json")
         //Log.d("JSONSchema", "Against schema: $schemaString")
         try {
             val schemaJson = JSONObject(schemaString)
             val jsonObject = JSONObject(json)
 
             validate(jsonObject, schemaJson)
             return true
         } catch (e: JSONException) {
             Log.e("JSONSchema", "JSON schema validation failed: ${e.message}")
             return false
         }
     }
 
     /**
      * Checks that the given JSON object contains all required fields as per the schema.
      *
      * @param json The JSON object to validate.
      * @param schema The JSON schema object defining required fields.
      * @throws JSONException If any required field is missing.
      */
     private fun validate(json: JSONObject, schema: JSONObject) {
         val requiredFields = schema.getJSONArray("required")
         for (i in 0 until requiredFields.length()) {
             val field = requiredFields.getString(i)
             if (!json.has(field)) {
                 throw JSONException("Missing required field: $field")
             }
         }
     }
 }