Add selenium test marker to stablize CI suite

.github/workflows/ci.yml

@@ -60,7 +60,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
       - run: python -m pip install Django~="${{ matrix.django-version }}.0"
       - run: python -m pip install -e .[test]
-      - run: python -m pytest
+      - run: python -m pytest -m "not selenium"
       - uses: codecov/codecov-action@v3
 
   Selenium:
@@ -85,5 +85,5 @@ jobs:
           python-version: ${{ matrix.python-version }}
       - run: python -m pip install Django
       - run: python -m pip install -e .[test,selenium]
-      - run: python -m pytest
+      - run: python -m pytest -m selenium
       - uses: codecov/codecov-action@v3

tests/conftest.py

@@ -6,6 +6,11 @@
 from selenium.common.exceptions import WebDriverException
 
 
+def pytest_configure(config):
+  config.addinivalue_line(
+        "markers", "selenium: skip if selenium is not installed"
+  )
+
 def random_string(n):
     return "".join(
         random.choice(string.ascii_uppercase + string.digits) for _ in range(n)

tests/test_forms.py

@@ -82,12 +82,14 @@ def test_allow_clear(self, db):
             "primary_genre", None
         )
 
+    @pytest.mark.selenium
     def test_no_js_error(self, db, live_server, driver):
         driver.get(live_server + self.url)
         with pytest.raises(NoSuchElementException):
             error = driver.find_element(By.XPATH, "//body[@JSError]")
             pytest.fail(error.get_attribute("JSError"))
 
+    @pytest.mark.selenium
     def test_selecting(self, db, live_server, driver):
         driver.get(live_server + self.url)
         with pytest.raises(NoSuchElementException):
@@ -298,6 +300,7 @@ def test_many_selected_option(self, db, genres):
         ), widget_output
         assert selected_option2 in widget_output or selected_option2a in widget_output
 
+    @pytest.mark.selenium
     def test_multiple_widgets(self, db, live_server, driver):
         driver.get(live_server + self.url)
         with pytest.raises(NoSuchElementException):
@@ -641,6 +644,7 @@ class TestHeavySelect2MultipleWidget:
         bool(os.environ.get("CI", False)),
         reason="https://bugs.chromium.org/p/chromedriver/issues/detail?id=1772",
     )
+    @pytest.mark.selenium
     def test_widgets_selected_after_validation_error(self, db, live_server, driver):
         driver.get(live_server + self.url)
         WebDriverWait(driver, 3).until(
@@ -678,6 +682,7 @@ class TestAddressChainedSelect2Widget:
     url = reverse("model_chained_select2_widget")
     form = forms.AddressChainedSelect2WidgetForm()
 
+    @pytest.mark.selenium
     def test_widgets_selected_after_validation_error(
         self, db, live_server, driver, countries, cities
     ):
@@ -757,6 +762,7 @@ def test_widgets_selected_after_validation_error(
         assert len(country_names_from_browser) != Country.objects.count()
         assert country_names_from_browser == country_names_from_db
 
+    @pytest.mark.selenium
     def test_dependent_fields_clear_after_change_parent(
         self, db, live_server, driver, countries, cities
     ):