errors=r.SET_NULL/r.IGNORE options for parsedate/parsedatetime, closes #416

tests/test_docs.py

@@ -48,7 +48,13 @@ def test_convert_help():
 
 @pytest.mark.parametrize(
     "recipe",
-    [n for n in dir(recipes) if not n.startswith("_") and n not in ("json", "parser")],
+    [
+        n
+        for n in dir(recipes)
+        if not n.startswith("_")
+        and n not in ("json", "parser")
+        and callable(getattr(recipes, n))
+    ],
 )
 def test_recipes_are_documented(documented_recipes, recipe):
     assert recipe in documented_recipes

tests/test_recipes.py

@@ -1,4 +1,5 @@
 from sqlite_utils import recipes
+from sqlite_utils.utils import sqlite3
 import json
 import pytest
 
@@ -61,6 +62,28 @@ def test_dayfirst_yearfirst(fresh_db, recipe, kwargs, expected):
     ]
 
 
+@pytest.mark.parametrize("fn", ("parsedate", "parsedatetime"))
+@pytest.mark.parametrize("errors", (None, recipes.SET_NULL, recipes.IGNORE))
+def test_dateparse_errors(fresh_db, fn, errors):
+    fresh_db["example"].insert_all(
+        [
+            {"id": 1, "dt": "invalid"},
+        ],
+        pk="id",
+    )
+    if errors is None:
+        # Should raise an error
+        with pytest.raises(sqlite3.OperationalError):
+            fresh_db["example"].convert("dt", lambda value: getattr(recipes, fn)(value))
+    else:
+        fresh_db["example"].convert(
+            "dt", lambda value: getattr(recipes, fn)(value, errors=errors)
+        )
+        rows = list(fresh_db["example"].rows)
+        expected = [{"id": 1, "dt": None if errors is recipes.SET_NULL else "invalid"}]
+        assert rows == expected
+
+
 @pytest.mark.parametrize("delimiter", [None, ";", "-"])
 def test_jsonsplit(fresh_db, delimiter):
     fresh_db["example"].insert_all(