Modify noxconfig to actual exasol_versions state and update documentation

doc/changes/unreleased.md

@@ -31,3 +31,7 @@ these workflows in your project until you transition fully to using `matrix.yml`
 * #730: Added support to extend GitHub workflow `cd.yml`
 * #864: Modified PTB workflow templates to not persist credentials and to use pinned SHAs
 * #654: Added and used general matrix `matrix.yml` for PTB-provided workflows
+
+## Refactoring
+
+* #682: Modified PTB exasol_versions to an empty list

doc/user_guide/features/github_workflows/create_and_update.rst

@@ -42,7 +42,9 @@ The PTB has a default for these versions, but you can override it in the
 .. code-block:: python
 
     PROJECT_CONFIG = Config(
+        # This tuple should never be empty.
         python_versions=("3.10", "3.12),
+        # This tuple may be empty, as not all projects will need an on-prem Exasol database.
         exasol_versions=("7.1.30", "8.29.13", "2025.1.8"),
     )
 

exasol/toolbox/config.py

@@ -149,11 +149,11 @@ class BaseConfig(BaseModel):
     root_path: Path = Field(description="Root directory of the project")
     python_versions: tuple[ValidVersionStr, ...] = Field(
         default=("3.10", "3.11", "3.12", "3.13", "3.14"),
+        min_length=1,
         description="Python versions to use in running CI workflows",
     )
-
     exasol_versions: tuple[ValidVersionStr, ...] = Field(
-        default=("7.1.30", "8.29.13", "2025.1.8"),
+        default=("8.29.13", "2025.1.8"),
         description="Exasol versions to use in running CI workflows for integration tests using the DB",
     )
     create_major_version_tags: bool = Field(

noxconfig.py

@@ -82,8 +82,7 @@ def importlinter(self) -> Path:
         ".github/actions/python-environment/ext/get_poetry.py",
     ),
     create_major_version_tags=True,
-    # The PTB does not have integration tests run with an Exasol DB,
-    # so for running in the CI, we take the first element.
-    exasol_versions=("7.1.30",),
+    # The PTB does not have integration tests running with an Exasol DB.
+    exasol_versions=(),
     plugins_for_nox_sessions=(UpdateTemplates,),
 )

test/unit/config_test.py

@@ -43,7 +43,7 @@ def test_works_as_defined(tmp_path, test_project_config_factory):
             "create_major_version_tags": False,
             "dependency_manager": {"name": "poetry", "version": "2.3.0"},
             "documentation_path": root_path / "doc",
-            "exasol_versions": ("7.1.30", "8.29.13", "2025.1.8"),
+            "exasol_versions": ("8.29.13", "2025.1.8"),
             "excluded_python_paths": expand_paths(config, DEFAULT_EXCLUDED_PATHS),
             "github_workflow_directory": tmp_path / ".github" / "workflows",
             "github_workflow_patcher_yaml": None,
@@ -81,6 +81,11 @@ def test_works_as_defined(tmp_path, test_project_config_factory):
     @pytest.mark.parametrize(
         "wrong_input,expected_message",
         [
+            pytest.param(
+                {"python_versions": []},
+                "at least 1 item",
+                id="python_versions_empty",
+            ),
             pytest.param(
                 {"python_versions": ["1.2.3.1"]},
                 "Version has an invalid format",

test/unit/nox/_matrix_test.py

@@ -105,9 +105,7 @@ def test_exasol_session_still_emits_field_names(
             exasol_matrix(nox_session)
 
         captured = capsys.readouterr()
-        assert json.loads(captured.out) == {
-            "exasol-version": ["7.1.30", "8.29.13", "2025.1.8"]
-        }
+        assert json.loads(captured.out) == {"exasol-version": ["8.29.13", "2025.1.8"]}
         assert len(caplog.messages) == 1
 
     @staticmethod
@@ -131,6 +129,6 @@ def test_full_session_still_emits_field_names(nox_session, config, caplog, capsy
         captured = capsys.readouterr()
         assert json.loads(captured.out) == {
             "python-version": ["3.10", "3.11", "3.12", "3.13", "3.14"],
-            "exasol-version": ["7.1.30", "8.29.13", "2025.1.8"],
+            "exasol-version": ["8.29.13", "2025.1.8"],
         }
         assert len(caplog.messages) == 1