Allow and use None as the default webdriver version

Using None will use the autodetection of webdriver-manager 3.8.6
onwards. Fixes ElSnoMan#298

Author: rnestler

pylenium.json

@@ -6,7 +6,7 @@
     "page_load_wait_time": 0,
     "options": [],
     "capabilities": {},
-    "version": "",
+    "version": null,
     "experimental_options": null,
     "extension_paths": [],
     "webdriver_kwargs": {},

pylenium/config.py

@@ -18,7 +18,7 @@ class DriverConfig(BaseModel):
     seleniumwire_options: Dict = {}
     extension_paths: Optional[List[str]] = None
     webdriver_kwargs: Optional[Dict] = None
-    version: str = "latest"
+    version: Optional[str] = None
     local_path: str = ""
 
 

tests/unit/test_config.py

@@ -5,7 +5,7 @@ def test_py_config_defaults(py_config):
     assert py_config.driver.wait_time == 10
     assert py_config.driver.page_load_wait_time == 0
     assert py_config.driver.options == []
-    assert py_config.driver.version == ""
+    assert py_config.driver.version is None
     assert py_config.driver.capabilities == {}
     assert py_config.driver.experimental_options is None
     assert py_config.driver.webdriver_kwargs == {}