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scalar function error handling test #272

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Merged
jraymakers merged 1 commit into from
Aug 2, 2025
Merged

scalar function error handling test #272

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17 changes: 16 additions & 1 deletion bindings/test/scalar_functions.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,7 @@ suite('scalar functions', () => {
}
});
duckdb.register_scalar_function(connection, scalar_function);
duckdb.destroy_scalar_function_sync(scalar_function);

const result = await duckdb.query(connection, "select my_func()");
await expectResult(result, {
Expand All @@ -43,7 +44,6 @@ suite('scalar functions', () => {
{ rowCount: 1, vectors: [data(16, [true], ['output_0'])]}
],
});
duckdb.destroy_scalar_function_sync(scalar_function);
});
});
test('register & run (extra info)', async () => {
Expand All @@ -60,6 +60,7 @@ suite('scalar functions', () => {
}
}, { 'my_extra_info_key': 'my_extra_info_value' });
duckdb.register_scalar_function(connection, scalar_function);
duckdb.destroy_scalar_function_sync(scalar_function);

const result = await duckdb.query(connection, "select my_func()");
await expectResult(result, {
Expand All @@ -72,7 +73,21 @@ suite('scalar functions', () => {
{ rowCount: 1, vectors: [data(16, [true], ['output_0_{"my_extra_info_key":"my_extra_info_value"}'])]}
],
});
});
});
test('error handling', async () => {
await withConnection(async (connection) => {
const scalar_function = duckdb.create_scalar_function();
duckdb.scalar_function_set_name(scalar_function, 'my_func');
const int_type = duckdb.create_logical_type(duckdb.Type.VARCHAR);
duckdb.scalar_function_set_return_type(scalar_function, int_type);
duckdb.scalar_function_set_function(scalar_function, (_info, _input, _output) => {
throw new Error('my_error');
});
duckdb.register_scalar_function(connection, scalar_function);
duckdb.destroy_scalar_function_sync(scalar_function);

await expect(duckdb.query(connection, "select my_func()")).rejects.toThrow('Invalid Input Error: my_error');;
});
});
});
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