validating-deployments-existence-before-going-in-watch-mode

src/cli/inspect.ts

@@ -7,6 +7,7 @@ import { OpenAPIV3 } from 'openapi-types';
 import { Config } from '../config';
 import { sleep } from './../utils';
 import args, { InspectFormat } from './args';
+import { info, warn } from './messages';
 
 interface row {
 	Deployments: string;
@@ -215,14 +216,28 @@ const rawInspectToOpenAPIv3 = (
 	});
 };
 
+const ensureDeploymentsExist = (res: Deployment[]): boolean => {
+	if (res.length) return true;
+	warn('Your MetaCall Hub account has no active deployments.');
+	info(
+		'`metacall-deploy` is a command you can use to deploy your application.'
+	);
+	info(
+		'`metacall-deploy --help` can be used to get more information about the aforementioned command.'
+	);
+	return false;
+};
+
 const inspectPrint: InspectPrint = {
 	[InspectFormat.Table]: async (
 		config: Config,
 		api: APIInterface
 	): Promise<void> => {
 		for (;;) {
 			const res = await api.inspect();
-
+			if (!ensureDeploymentsExist(res)) {
+				return;
+			}
 			console.clear();
 
 			const p = new Table({
@@ -277,13 +292,19 @@ const inspectPrint: InspectPrint = {
 		api: APIInterface
 	): Promise<void> => {
 		const res = await api.inspect();
+		if (!ensureDeploymentsExist(res)) {
+			return;
+		}
 		console.log(JSON.stringify(res, null, 2));
 	},
 	[InspectFormat.OpenAPIv3]: async (
 		config: Config,
 		api: APIInterface
 	): Promise<void> => {
 		const res = await api.inspect();
+		if (!ensureDeploymentsExist(res)) {
+			return;
+		}
 		console.log(
 			JSON.stringify(
 				rawInspectToOpenAPIv3(

src/test/cli.integration.spec.ts

@@ -33,6 +33,7 @@ describe('Integration CLI', function () {
 
 	const url = 'https://github.com/metacall/examples';
 	const addRepoSuffix = 'metacall-examples';
+	const inspectFormats = ['Table', 'Raw', 'OpenAPIv3'];
 
 	const workDirSuffix = 'time-app-web';
 	const filePath = join(
@@ -181,6 +182,21 @@ describe('Integration CLI', function () {
 		}
 	});
 
+	// checking if there is no deployments throw inspect
+	it(`Should fail with inspect if there is no active deployments`, async function () {
+		for (const format of inspectFormats) {
+			try {
+				await runCLI([`--inspect ${format}}`], [keys.enter]).promise;
+				fail(
+					`It gives active deployments in ${format} format while there is none`
+				);
+			} catch (error) {
+				continue;
+			}
+		}
+		ok(`Passes in the 3 inspect formats when there is no deployments`);
+	});
+
 	// --help
 	it('Should be able to print help guide using --help flag', async () => {
 		const result = await runCLI(['--help'], [keys.enter]).promise;