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-rw-r--r--gn_libs/mysqldb.py7
-rw-r--r--tests/unit/test_mysqldb.py4
2 files changed, 9 insertions, 2 deletions
diff --git a/gn_libs/mysqldb.py b/gn_libs/mysqldb.py
index c738d96..d620b11 100644
--- a/gn_libs/mysqldb.py
+++ b/gn_libs/mysqldb.py
@@ -24,6 +24,11 @@ def __parse_boolean__(val: str) -> bool:
return val.strip().lower() in true_vals
+def __non_negative_int__(val: str) -> int:
+ """Convert a value to a non-negative int."""
+ _val = int(val)
+ assert (val >= 0), f"Expected a non-negative value. Got {_val}"
+ return _val
def __parse_db_opts__(opts: str) -> dict:
"""Parse database options into their appropriate values.
@@ -36,7 +41,7 @@ def __parse_db_opts__(opts: str) -> dict:
"local_infile", "autocommit", "binary_prefix")
conversion_fns: dict[str, Callable] = {
**{opt: str for opt in allowed_opts},
- "connect_timeout": int,
+ "connect_timeout": __non_negative_int__,
"compress": __parse_boolean__,
"use_unicode": __parse_boolean__,
# "cursorclass": __load_cursor_class__
diff --git a/tests/unit/test_mysqldb.py b/tests/unit/test_mysqldb.py
index b75f1e0..153f322 100644
--- a/tests/unit/test_mysqldb.py
+++ b/tests/unit/test_mysqldb.py
@@ -86,7 +86,9 @@ def test_parse_db_url_with_invalid_options(sql_uri, invalidopt):
@pytest.mark.parametrize(
"sql_uri",
(("mysql://auser:passwd@somehost:3307/thedb?use_unicode=fire"),
- ("mysql://auser:passwd@somehost:3307/thedb?use_unicode=3")))
+ ("mysql://auser:passwd@somehost:3307/thedb?use_unicode=3"),
+ ("mysql://auser:passwd@somehost:3307/thedb?connect_timeout=-30"),
+ ("mysql://auser:passwd@somehost:3307/thedb?connect_timeout=santa")))
def test_parse_db_url_with_invalid_options_values(sql_uri):
"""Test parsing with invalid options' values."""
with pytest.raises(InvalidOptionValue) as iov: