Fix cross-platform test failures

- test_context_manager_init: use tempfile instead of hardcoded /tmp
- test_get_python_path_unix: use os.path.join for path separators
- test_rpc_load_model_already_loaded: mock funasr import

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via [Happy](https://happy.engineering)

Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: Happy <yesreply@happy.engineering>

Author: 3 people

tests/test_client.py

@@ -156,10 +156,12 @@ def test_connection_error():
 
 
 def test_context_manager_init():
-    c = FunASR(runtime_dir="/tmp/test_funasr")
-    assert c.runtime_dir == Path("/tmp/test_funasr")
-    assert c.port == 0
-    assert c.host == "127.0.0.1"
+    with tempfile.TemporaryDirectory() as tmpdir:
+        test_dir = Path(tmpdir) / "test_funasr"
+        c = FunASR(runtime_dir=str(test_dir))
+        assert c.runtime_dir == test_dir.resolve()
+        assert c.port == 0
+        assert c.host == "127.0.0.1"
 
 
 def test_is_running_no_process():

tests/test_installer.py

@@ -50,19 +50,19 @@ def test_get_uv_path_not_found():
 
 
 def test_get_python_path_unix():
-    with patch("platform.system", return_value="Linux"):
-        installer = Installer("/opt/funasr")
-        path = installer.get_python_path()
-        assert path.endswith("bin/python")
-        assert "/opt/funasr/" in path or "funasr" in path
+    with tempfile.TemporaryDirectory() as tmpdir:
+        with patch("platform.system", return_value="Linux"):
+            installer = Installer(tmpdir)
+            path = installer.get_python_path()
+            assert path.endswith(os.path.join("bin", "python"))
 
 
 def test_get_python_path_windows():
-    with patch("platform.system", return_value="Windows"):
-        installer = Installer("C:\\funasr")
-        path = installer.get_python_path()
-        assert "Scripts" in path
-        assert path.endswith("python.exe")
+    with tempfile.TemporaryDirectory() as tmpdir:
+        with patch("platform.system", return_value="Windows"):
+            installer = Installer(tmpdir)
+            path = installer.get_python_path()
+            assert path.endswith(os.path.join("Scripts", "python.exe"))
 
 
 def test_create_runtime_dir():

tests/test_server.py

@@ -87,7 +87,8 @@ def test_rpc_load_model_already_loaded():
     server._models["m1"] = mock_model
     server._model_kwargs["m1"] = {"model": "test"}
 
-    result = server.rpc_load_model({"model": "test", "name": "m1"})
+    with patch.dict("sys.modules", {"funasr": MagicMock()}):
+        result = server.rpc_load_model({"model": "test", "name": "m1"})
     assert result["status"] == "already_loaded"