Make _environment and capabilities fixtures session scoped

docs/user_guide.rst

@@ -337,7 +337,7 @@ fixture:
 .. code-block:: python
 
   import pytest
-  @pytest.fixture
+  @pytest.fixture(scope='session')
   def capabilities(capabilities):
       capabilities['tags'] = ['tag1', 'tag2', 'tag3']
       return capabilities

pytest_selenium/pytest_selenium.py

@@ -21,7 +21,7 @@
     'TestingBot']
 
 
-@pytest.fixture(autouse=True)
+@pytest.fixture(scope='session', autouse=True)
 def _environment(request, base_url, capabilities):
     """Provide additional environment details to pytest-html report"""
     config = request.config
@@ -63,7 +63,7 @@ def _verify_base_url(request, base_url):
                     ', '.join(map(str, ok_codes)), base_url, response))
 
 
-@pytest.fixture
+@pytest.fixture(scope='session')
 def capabilities(request, variables):
     """Returns combined capabilities from pytest-variables and command line"""
     capabilities = variables.get('capabilities', {})

setup.py

@@ -10,7 +10,7 @@
       packages=['pytest_selenium', 'pytest_selenium.cloud'],
       install_requires=[
           'pytest>=2.6.4',
-          'pytest-html>=1.5',
+          'pytest-html>=1.5.1',
           'pytest-variables',
           'selenium>=2.26.0',
           'requests'],

testing/test_capabilities.py

@@ -29,7 +29,7 @@ def test_file(testfile, testdir):
 def test_fixture(testfile, testdir):
     testdir.makeconftest("""
         import pytest
-        @pytest.fixture
+        @pytest.fixture(scope='session')
         def capabilities():
             return {'foo': 'bar'}
     """)