Handle removal of MarkInfo in pytest 4.1.0 (pytest-dev#207)

Fixes pytest-dev#206

pytest_selenium/drivers/cloud.py

@@ -38,3 +38,18 @@ def get_credential(self, key, envs):
 
     def uses_driver(self, driver):
         return driver.lower() == self.name.lower()
+
+
+def get_markers(node):
+    # `MarkInfo` is removed in pytest 4.1.0
+    # see https://github.com/pytest-dev/pytest/pull/4564
+    try:
+        from _pytest.mark import MarkInfo
+
+        keywords = node.keywords
+        markers = [m for m in keywords.keys() if isinstance(keywords[m], MarkInfo)]
+    except ImportError:
+        # `iter_markers` was introduced in pytest 3.6
+        markers = [m.name for m in node.iter_markers()]
+
+    return markers

pytest_selenium/drivers/saucelabs.py

@@ -5,12 +5,11 @@
 import os
 import json
 
-from _pytest.mark import MarkInfo
 from py.xml import html
 import pytest
 import requests
 
-from pytest_selenium.drivers.cloud import Provider
+from pytest_selenium.drivers.cloud import Provider, get_markers
 
 
 class SauceLabs(Provider):
@@ -85,8 +84,6 @@ def pytest_selenium_runtest_makereport(item, report, summary, extra):
 
 def driver_kwargs(request, test, capabilities, **kwargs):
     provider = SauceLabs()
-    keywords = request.node.keywords
-    markers = [m for m in keywords.keys() if isinstance(keywords[m], MarkInfo)]
 
     _capabilities = capabilities
     if os.getenv("SAUCELABS_W3C") == "true":
@@ -95,7 +92,7 @@ def driver_kwargs(request, test, capabilities, **kwargs):
     _capabilities.setdefault("username", provider.username)
     _capabilities.setdefault("accessKey", provider.key)
     _capabilities.setdefault("name", test)
-    tags = _capabilities.get("tags", []) + markers
+    tags = _capabilities.get("tags", []) + get_markers(request.node)
     if tags:
         _capabilities["tags"] = tags
 

pytest_selenium/drivers/testingbot.py

@@ -3,11 +3,11 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 import pytest
-from _pytest.mark import MarkInfo
+
 from py.xml import html
 import requests
 
-from pytest_selenium.drivers.cloud import Provider
+from pytest_selenium.drivers.cloud import Provider, get_markers
 
 HOST = "hub.testingbot.com"
 PORT = 443
@@ -86,12 +86,11 @@ def pytest_selenium_runtest_makereport(item, report, summary, extra):
 
 def driver_kwargs(request, test, capabilities, host, port, **kwargs):
     provider = TestingBot(host, port)
-    keywords = request.node.keywords
+
     capabilities.setdefault("name", test)
     capabilities.setdefault("client_key", provider.key)
     capabilities.setdefault("client_secret", provider.secret)
-    markers = [m for m in keywords.keys() if isinstance(keywords[m], MarkInfo)]
-    groups = capabilities.get("groups", []) + markers
+    groups = capabilities.get("groups", []) + get_markers(request.node)
     if groups:
         capabilities["groups"] = groups
     kwargs = {