test: 添加依赖检测的测试代码

tests/test_requirements_detection.py

@@ -0,0 +1,59 @@
+import unittest
+from unittest.mock import patch, Mock
+from detection.requirements_detection import fetch_html, parse_html, format_results
+
+# Assuming the functions from your provided code are imported here
+# from your_module import fetch_html, parse_html, format_results, ...
+
+
+# 测试网页抓取和结果报告的测试类
+class TestWebScrapingAndReporting(unittest.TestCase):
+
+    def test_fetch_html_success(self):
+        """测试fetch_html在请求成功时返回正确的HTML内容。"""
+        with patch("requests.get") as mocked_get:
+            mocked_get.return_value.status_code = 200
+            mocked_get.return_value.text = "success"
+            url = "http://example.com"
+            result = fetch_html(url)
+            self.assertEqual(result, "success")
+
+    def test_fetch_html_failure(self):
+        """测试fetch_html在请求失败时返回None。"""
+        with patch("requests.get") as mocked_get:
+            mocked_get.return_code.status_code = 404
+            url = "http://example.com"
+            result = fetch_html(url)
+            self.assertIsNone(result)
+
+    def test_parse_html(self):
+        """测试parse_html能准确地解析HTML并提取预期的数据。"""
+        html_content = """
+        <table id="sortable-table">
+            <tbody>
+                <tr><td></td><td><a href="#">Link1</a><span>Span1</span></td></tr>
+                <tr><td></td><td><a href="#">Link2</a><span>Span2</span></td></tr>
+            </tbody>
+        </table>
+        """
+        expected = [("Link1", ["Span1"]), ("Link2", ["Span2"])]
+        result = parse_html(html_content)
+        self.assertEqual(result, expected)
+
+    def test_format_results(self):
+        """测试format_results能正确格式化解析后的数据。"""
+        results = [("Package1", ["1.0", "2.0"]), ("Package2", ["1.5", "2.5"])]
+        expected_output = (
+            "Package Name: Package1\nVersion Ranges: 1.0, 2.0\n"
+            + "--------------------------------------------------\n"
+            + "Package Name: Package2\nVersion Ranges: 1.5, 2.5\n"
+            + "--------------------------------------------------\n"
+        )
+        formatted_result = format_results(results)
+        self.assertEqual(formatted_result, expected_output)
+
+    # Additional tests can be added here for other functions.
+
+
+if __name__ == "__main__":
+    unittest.main()