Introduce globbing for the JSONS input

Implemented globbing resolution based on @actions/glob [1].
Added test to validate globs are being read.
Fixes OrRosenblatt#19.

1: https://github.com/actions/toolkit/tree/main/packages/glob

Author: kiriakos

__tests__/main.test.ts

@@ -37,6 +37,24 @@ describe('Github action results', () => {
         expect(result.toString()).toContain(`::set-output name=INVALID,::${os.EOL}`);
     });
 
+    test('JSONS argument accepts globs', () => {
+        // Arrange
+        mockedConfig.mockValue('SCHEMA', './mocks/schema/valid.json');
+        mockedConfig.mockValue('JSONS', './mocks/tested-*/valid.json');
+
+        mockedConfig.set();
+
+        const options: cp.ExecOptions = {
+            env: process.env,
+        };
+
+        // Act
+        const result = cp.execSync(`node ${ip}`, options);
+
+        // Assert
+        expect(result.toString()).toContain(`::set-output name=INVALID,::${os.EOL}`);
+    });
+
     test('Error is thrown when GITHUB_WORKSPACE environment variable is not set', () => {
         // Arrange
         mockedConfig.resetAll();

package-lock.json

@@ -23,6 +23,7 @@
   "license": "MIT",
   "dependencies": {
     "@actions/core": "^1.0.0",
+    "@actions/glob": "^0.1.1",
     "@types/jest": "^24.0.22",
     "ajv": "^6.10.2",
     "better-ajv-errors": "^0.6.7",

package.json

@@ -1,4 +1,5 @@
 import * as core from '@actions/core';
+import * as glob from '@actions/glob';
 import { getConfig, verifyConfigValues } from './configuration';
 import { validateJsons } from './json-validator';
 
@@ -12,7 +13,9 @@ async function run() {
             return;
         }
 
-        const jsonRelativePaths = configuration.JSONS.split(',');
+        const patterns = configuration.JSONS.split(',');
+        const globber = await glob.create(patterns.join('\n'));
+        const jsonRelativePaths = await globber.glob();
 
         const validationResults = await validateJsons(
             configuration.GITHUB_WORKSPACE,