Adding Oracle connection checking.

packages/server/src/integrations/oracle.ts

@@ -8,6 +8,7 @@ import {
   Table,
   DatasourcePlus,
   DatasourceFeature,
+  ConnectionInfo,
 } from "@budibase/types"
 import {
   buildExternalTableId,
@@ -21,7 +22,7 @@ import { FieldTypes } from "../constants"
 import {
   BindParameters,
   Connection,
-  ConnectionAttributes,
+  ConnectionAttributes, DBError,
   ExecuteOptions,
   Result,
 } from "oracledb"
@@ -49,7 +50,7 @@ const SCHEMA: Integration = {
   type: "Relational",
   description:
     "Oracle Database is an object-relational database management system developed by Oracle Corporation",
-  features: [],
+  features: [DatasourceFeature.CONNECTION_CHECKING],
   datasource: {
     host: {
       type: DatasourceFieldType.STRING,
@@ -322,6 +323,29 @@ class OracleIntegration extends Sql implements DatasourcePlus {
     this.schemaErrors = final.errors
   }
 
+  async testConnection() {
+    const response: ConnectionInfo = {
+      connected: false,
+    }
+    let connection
+    try {
+      connection = await this.getConnection()
+    } catch (err: any) {
+      response.connected = false
+      response.error = err.message
+    } finally {
+      if (connection) {
+        try {
+          await connection.close()
+        } catch (err: any) {
+          response.connected = false
+          response.error = err.message
+        }
+      }
+    }
+    return response
+  }
+
   private async internalQuery<T>(query: SqlQuery): Promise<Result<T>> {
     let connection
     try {