n8n/packages/nodes-base/nodes/BambooHr/v1/methods/credentialTest.ts

import {
	ICredentialDataDecryptedObject,
	ICredentialsDecrypted,
	ICredentialTestFunctions,
	IHttpRequestOptions,
	INodeCredentialTestResult,
} from 'n8n-workflow';

export async function bambooHrApiCredentialTest(this: ICredentialTestFunctions, credential: ICredentialsDecrypted): Promise<INodeCredentialTestResult> {
	try {
		await validateCredentials.call(this, credential.data as ICredentialDataDecryptedObject);
	} catch (error) {
		return {
			status: 'Error',
			message: 'The API Key included in the request is invalid',
		};
	}

	return {
		status: 'OK',
		message: 'Connection successful!',
	} as INodeCredentialTestResult;
}

async function validateCredentials(this: ICredentialTestFunctions, decryptedCredentials: ICredentialDataDecryptedObject): Promise<any> { // tslint:disable-line:no-any
	const credentials = decryptedCredentials;

	const {
		subdomain,
		apiKey,
	} = credentials as {
		subdomain: string,
		apiKey: string,
	};

	const options: IHttpRequestOptions = {
		method: 'GET',
		auth: {
			username: apiKey as string,
			password: 'x',
		},
		url: `https://api.bamboohr.com/api/gateway.php/${subdomain}/v1/employees/directory`,
	};

	return await this.helpers.request(options);
}