Adding blocks to slack message update

packages/cli/src/CredentialsHelper.ts

@@ -6,7 +6,8 @@
 /* eslint-disable @typescript-eslint/no-unsafe-call */
 
 import { Credentials, NodeExecuteFunctions } from 'n8n-core';
-
+// eslint-disable-next-line import/no-extraneous-dependencies
+import { get } from 'lodash';
 import { NodeVersionedType } from 'n8n-nodes-base';
 
 import {
@@ -633,8 +634,10 @@ export class CredentialsHelper extends ICredentialsHelper {
 			mode,
 		);
 
+		let response: INodeExecutionData[][] | null | undefined;
+
 		try {
-			await routingNode.runNode(
+			response = await routingNode.runNode(
 				inputData,
 				runIndex,
 				nodeTypeCopy,
@@ -683,6 +686,24 @@ export class CredentialsHelper extends ICredentialsHelper {
 			};
 		}
 
+		if (
+			credentialTestFunction.testRequest.rules &&
+			Array.isArray(credentialTestFunction.testRequest.rules)
+		) {
+			// Special testing rules are defined so check all in order
+			for (const rule of credentialTestFunction.testRequest.rules) {
+				if (rule.type === 'responseSuccessBody') {
+					const responseData = response![0][0].json;
+					if (get(responseData, rule.properties.key) === rule.properties.value) {
+						return {
+							status: 'Error',
+							message: rule.properties.message,
+						};
+					}
+				}
+			}
+		}
+
 		return {
 			status: 'OK',
 			message: 'Connection successful!',

packages/nodes-base/credentials/SlackApi.credentials.ts

@@ -1,9 +1,11 @@
 import {
+	IAuthenticateBearer,
+	IAuthenticateQueryAuth,
+	ICredentialTestRequest,
 	ICredentialType,
 	INodeProperties,
 } from 'n8n-workflow';
 
-
 export class SlackApi implements ICredentialType {
 	name = 'slackApi';
 	displayName = 'Slack API';
@@ -17,4 +19,26 @@ export class SlackApi implements ICredentialType {
 			required: true,
 		},
 	];
+	authenticate: IAuthenticateBearer = {
+		type: 'bearer',
+		properties: {
+			tokenPropertyName: 'accessToken',
+		},
+	};
+	test: ICredentialTestRequest = {
+		request: {
+			baseURL: 'https://slack.com',
+			url: '/api/users.profile.get',
+		},
+		rules: [
+			{
+				type: 'responseSuccessBody',
+				properties: {
+					key: 'ok',
+					value: false,
+					message: 'Invalid access token',
+				},
+			},
+		],
+	};
 }