test(ci): cover Cargo.toml parser edge cases

Author: zouyonghe

scripts/ci/test_package_windows_portable.py

@@ -141,6 +141,60 @@ def test_load_cargo_package_name_supports_inline_comments(self):
                 "astrbot-desktop-tauri",
             )
 
+    def test_load_cargo_package_name_missing_cargo_toml_raises_file_not_found(self):
+        with tempfile.TemporaryDirectory() as tmpdir:
+            project_root = Path(tmpdir)
+
+            with self.assertRaises(FileNotFoundError):
+                MODULE.load_cargo_package_name(project_root)
+
+    def test_load_cargo_package_name_missing_package_table_raises_value_error(self):
+        with tempfile.TemporaryDirectory() as tmpdir:
+            project_root = Path(tmpdir)
+            cargo_toml_path = project_root / "src-tauri" / "Cargo.toml"
+            cargo_toml_path.parent.mkdir(parents=True)
+            cargo_toml_path.write_text('[workspace]\nmembers = ["crates/*"]\n')
+
+            with self.assertRaises(ValueError):
+                MODULE.load_cargo_package_name(project_root)
+
+    def test_load_cargo_package_name_missing_package_name_raises_value_error(self):
+        with tempfile.TemporaryDirectory() as tmpdir:
+            project_root = Path(tmpdir)
+            cargo_toml_path = project_root / "src-tauri" / "Cargo.toml"
+            cargo_toml_path.parent.mkdir(parents=True)
+            cargo_toml_path.write_text('[package]\nversion = "0.1.0"\n')
+
+            with self.assertRaises(ValueError):
+                MODULE.load_cargo_package_name(project_root)
+
+    def test_load_cargo_package_name_empty_package_name_raises_value_error(self):
+        with tempfile.TemporaryDirectory() as tmpdir:
+            project_root = Path(tmpdir)
+            cargo_toml_path = project_root / "src-tauri" / "Cargo.toml"
+            cargo_toml_path.parent.mkdir(parents=True)
+            cargo_toml_path.write_text('[package]\nname = ""\n')
+
+            with self.assertRaises(ValueError):
+                MODULE.load_cargo_package_name(project_root)
+
+    def test_load_cargo_package_name_falls_back_to_package_when_bin_missing_name(self):
+        with tempfile.TemporaryDirectory() as tmpdir:
+            project_root = Path(tmpdir)
+            cargo_toml_path = project_root / "src-tauri" / "Cargo.toml"
+            cargo_toml_path.parent.mkdir(parents=True)
+            cargo_toml_path.write_text(
+                "[package]\n"
+                'name = "astrbot-desktop-tauri"\n\n'
+                "[[bin]]\n"
+                'path = "src/main.rs"\n'
+            )
+
+            self.assertEqual(
+                MODULE.load_cargo_package_name(project_root),
+                "astrbot-desktop-tauri",
+            )
+
     def test_load_cargo_package_name_prefers_explicit_bin_name(self):
         with tempfile.TemporaryDirectory() as tmpdir:
             project_root = Path(tmpdir)