feat: update grok-cli ai sdk provider to v5 (#1252)

packages/ai-sdk-provider-grok-cli/src/json-extractor.test.ts

@@ -0,0 +1,81 @@
+/**
+ * Tests for JSON extraction utilities
+ */
+
+import { describe, expect, it } from 'vitest';
+import { extractJson } from './json-extractor.js';
+
+describe('extractJson', () => {
+	it('should extract JSON from markdown code blocks', () => {
+		const text = '```json\n{"name": "test", "value": 42}\n```';
+		const result = extractJson(text);
+		expect(result).toBe('{"name": "test", "value": 42}');
+	});
+
+	it('should extract JSON from generic code blocks', () => {
+		const text = '```\n{"name": "test", "value": 42}\n```';
+		const result = extractJson(text);
+		expect(result).toBe('{"name": "test", "value": 42}');
+	});
+
+	it('should remove JavaScript variable declarations', () => {
+		const text = 'const result = {"name": "test", "value": 42};';
+		const result = extractJson(text);
+		expect(result).toBe('{"name": "test", "value": 42}');
+	});
+
+	it('should handle let variable declarations', () => {
+		const text = 'let data = {"name": "test", "value": 42};';
+		const result = extractJson(text);
+		expect(result).toBe('{"name": "test", "value": 42}');
+	});
+
+	it('should handle var variable declarations', () => {
+		const text = 'var config = {"name": "test", "value": 42};';
+		const result = extractJson(text);
+		expect(result).toBe('{"name": "test", "value": 42}');
+	});
+
+	it('should extract JSON arrays', () => {
+		const text = '[{"name": "test1"}, {"name": "test2"}]';
+		const result = extractJson(text);
+		expect(result).toBe('[{"name": "test1"}, {"name": "test2"}]');
+	});
+
+	it('should convert JavaScript object literals to JSON', () => {
+		const text = "{name: 'test', value: 42}";
+		const result = extractJson(text);
+		expect(result).toBe('{"name": "test", "value": 42}');
+	});
+
+	it('should return valid JSON as-is', () => {
+		const text = '{"name": "test", "value": 42}';
+		const result = extractJson(text);
+		expect(result).toBe('{"name": "test", "value": 42}');
+	});
+
+	it('should return original text when JSON parsing fails completely', () => {
+		const text = 'This is not JSON at all';
+		const result = extractJson(text);
+		expect(result).toBe('This is not JSON at all');
+	});
+
+	it('should handle complex nested objects', () => {
+		const text =
+			'```json\n{\n  "user": {\n    "name": "John",\n    "age": 30\n  },\n  "items": [1, 2, 3]\n}\n```';
+		const result = extractJson(text);
+		expect(JSON.parse(result)).toEqual({
+			user: {
+				name: 'John',
+				age: 30
+			},
+			items: [1, 2, 3]
+		});
+	});
+
+	it('should handle mixed quotes in object literals', () => {
+		const text = `{name: "test", value: 'mixed quotes'}`;
+		const result = extractJson(text);
+		expect(result).toBe('{"name": "test", "value": "mixed quotes"}');
+	});
+});