test: add entry points validation

Author: hect0x7

tests/test_jmcomic/test_jm_cli.py

@@ -43,6 +43,23 @@ def test_jmcomic_download_album(self):
 
     # ========== jmv 命令测试 ==========
 
+    def test_entry_points_installed(self):
+        """验证控制台命令行是否被正确安装到了所在系统的环境变量里"""
+        import shutil
+        import subprocess
+        for cmd in ['jmcomic', 'jmv']:
+            self.assertIsNotNone(
+                shutil.which(cmd),
+                f"Command '{cmd}' not found in PATH. Please verify entry_points in setup.py or [project.scripts] in pyproject.toml and ensure the package is installed."
+            )
+
+            try:
+                subprocess.run([cmd, "--help"], capture_output=True, text=True, check=True)
+            except subprocess.CalledProcessError as e:
+                self.fail(f"Command '{cmd} --help' failed with exit code {e.returncode}. Stderr: {e.stderr.strip()}")
+            except Exception as e:
+                self.fail(f"Failed to execute command '{cmd}': {e}")
+
     # -- extract_album_id --
 
     def test_jmv_extract_pure_digits(self):