Add tests

Author: jablko

tests/src/rules/no-unresolved.js

@@ -1,6 +1,6 @@
 import * as path from 'path';
 
-import { test, SYNTAX_CASES, testVersion } from '../utils';
+import { getTSParsers, test, SYNTAX_CASES, testVersion } from '../utils';
 
 import { CASE_SENSITIVE_FS } from 'eslint-module-utils/resolve';
 
@@ -441,3 +441,25 @@ ruleTester.run('import() with built-in parser', rule, {
     })) || [],
   ),
 });
+
+context('TypeScript', () => {
+  for (const parser of getTSParsers()) {
+    if (parser !== require.resolve('typescript-eslint-parser')) {
+      ruleTester.run('no-unresolved ignore type-only', rule, {
+        valid: [
+          test({
+            code: 'import type { JSONSchema7Type } from "json-schema";',
+            parser,
+          }),
+        ],
+        invalid: [
+          test({
+            code: 'import { JSONSchema7Type } from "json-schema";',
+            errors: [ "Unable to resolve path to module 'json-schema'." ],
+            parser,
+          }),
+        ],
+      });
+    }
+  }
+});