add tests

diesel-rs · Aug 2, 2024 · 263d1f1 · 263d1f1
1 parent e999560
commit 263d1f1
Showing 1 changed file with 13 additions and 1 deletion.
diff --git a/diesel/src/pg/expression/functions.rs b/diesel/src/pg/expression/functions.rs
@@ -703,11 703,23 @@ define_sql_function! {
  /// #
  /// # fn run_test() -> QueryResult<()> {
  /// # use diesel::dsl::array_append;
- /// # use diesel::sql_types::{Integer, Array};
  /// # use diesel::sql_types::{Nullable, Integer, Array};
  /// # let connection = &mut establish_connection();
  /// let ints = diesel::select(array_append::<Integer, Array<_>, _, _>(vec![1, 2], 3))
  /// .get_result::<Vec<i32>>(connection)?;
  /// assert_eq!(vec![1, 2, 3], ints);
  ///
  /// let ints = diesel::select(array_append::<Nullable<Integer>, Array<_>, _, _>(vec![Some(1), Some(2)], None::<i32>))
  /// .get_result::<Vec<Option<i32>>>(connection)?;
  /// assert_eq!(vec![Some(1), Some(2), None], ints);
  ///
  /// let ints = diesel::select(array_append::<Integer, Nullable<Array<_>>, _, _>(None::<Vec<i32>>, 3))
  /// .get_result::<Vec<i32>>(connection)?;
  /// assert_eq!(vec![3], ints);
  ///
  /// let ints = diesel::select(array_append::<Nullable<Integer>, Nullable<Array<_>>, _, _>(None::<Vec<i32>>, None::<i32>))
  /// .get_result::<Vec<Option<i32>>>(connection)?;
  /// assert_eq!(vec![None], ints);
  /// # Ok(())
  /// # }
  /// ```