tests: add a case for invalid context value (#2030)

test/core-flags/context-flag.test.js

@@ -1,12 +1,27 @@
 'use strict';
 
-const { run } = require('../utils/test-utils');
+const { resolve } = require('path');
+const { run, isWindows } = require('../utils/test-utils');
 
 describe('--context flag', () => {
     it('should allow to set context', () => {
-        const { stderr, stdout } = run(__dirname, ['--context', '/test-context-path']);
+        const { stderr, stdout, exitCode } = run(__dirname, ['--context', './']);
 
         expect(stderr).toBeFalsy();
-        expect(stdout).toContain('test-context-path');
+        expect(exitCode).toBe(0);
+        if (isWindows) {
+            const windowsPath = resolve(__dirname, './').replace(/\\/g, '\\\\');
+            expect(stdout).toContain(`context: '${windowsPath}'`);
+        } else {
+            expect(stdout).toContain(`context: '${resolve(__dirname, './')}'`);
+        }
+    });
+
+    it('should throw module not found error for invalid context', () => {
+        const { stderr, stdout, exitCode } = run(__dirname, ['--context', '/invalid-context-path']);
+
+        expect(stderr).toBeFalsy();
+        expect(exitCode).toBe(1);
+        expect(stdout).toContain(`Module not found: Error: Can't resolve './src/main.js'`);
     });
 });