testing

tests/integration/test_config.py

@@ -16,12 +16,18 @@
 
 from pathlib import Path
 import sqlite3
+from typing import TYPE_CHECKING
 import pytest
 
 from cylc.flow.exceptions import ServiceFileError, WorkflowConfigError
 from cylc.flow.parsec.exceptions import ListValueError
 from cylc.flow.pathutil import get_workflow_run_pub_db_path
 
+if TYPE_CHECKING:
+    from types import Any
+
+    Fixture = Any
+
 
 @pytest.mark.parametrize(
     'task_name,valid', [
@@ -341,3 +347,52 @@ def test_validate_incompatible_db(one_conf, flow, validate):
     finally:
         conn.close()
     assert tables == ['suite_params']
+
+
+def test_xtrig_validation_wall_clock(
+    flow: 'Fixture',
+    validate: 'Fixture',
+):
+    """If an xtrigger module has a `validate_config` it is called.
+
+    https://github.com/cylc/cylc-flow/issues/5448
+    """
+    id_ = flow({
+        'scheduler': {'allow implicit tasks': True},
+        'scheduling': {
+            'initial cycle point': '1012',
+            'xtriggers': {'myxt': 'wall_clock(offset=PT755MH)'},
+            'graph': {'R1': '@myxt => foo'},
+        }
+    })
+    with pytest.raises(
+        WorkflowConfigError,
+        match=r'invalid offset: wall_clock\(offset=PT755MH\)'
+    ):
+        validate(id_)
+
+
+def test_xtrig_validation_custom(
+    flow: 'Fixture',
+    validate: 'Fixture',
+):
+    """If an xtrigger module has a `validate_config` it is called.
+
+    https://github.com/cylc/cylc-flow/issues/5448
+    """
+    id_ = flow({
+        'scheduler': {'allow implicit tasks': True},
+        'scheduling': {
+            'initial cycle point': '1012',
+            'xtriggers': {'myxt': 'kustom_xt(feature=42)'},
+            'graph': {'R1': '@myxt => foo'},
+        }
+    })
+    # Write your own xtrigger with validation to file here and
+    # check that it works!
+    Path(id_)
+    with pytest.raises(
+        WorkflowConfigError,
+        match=r'invalid offset: wall_clock\(offset=PT755MH\)'
+    ):
+        validate(id_)