nushell/crates/nu-command/tests/commands/each.rs
Wind e8764de3c6
don't allow break/continue in each and items command (#13398)
# Description
Fixes: #11451

# User-Facing Changes
### Before
```nushell
❯ [1 2 3] | each {|e| break; print $e }
╭────────────╮
│ empty list │
╰────────────╯
```

### After
```
❯ [1 2 3] | each {|e| break; print $e }
Error: nu:🐚:eval_block_with_input

  × Eval block failed with pipeline input
   ╭─[entry #9:1:2]
 1 │ [1 2 3] | each {|e| break; print $e }
   ·  ┬
   ·  ╰── source value
   ╰────

Error:   × Break used outside of loop
   ╭─[entry #9:1:21]
 1 │ [1 2 3] | each {|e| break; print $e }
   ·                     ──┬──
   ·                       ╰── used outside of loop
   ╰────
```

# Tests + Formatting
Removes some tests.
2024-07-19 00:21:02 -07:00

65 lines
1.6 KiB
Rust

use nu_test_support::nu;
#[test]
fn each_works_separately() {
let actual = nu!("echo [1 2 3] | each { |it| echo $it 10 | math sum } | to json -r");
assert_eq!(actual.out, "[11,12,13]");
}
#[test]
fn each_group_works() {
let actual = nu!("echo [1 2 3 4 5 6] | group 3 | to json --raw");
assert_eq!(actual.out, "[[1,2,3],[4,5,6]]");
}
#[test]
fn each_window() {
let actual = nu!("echo [1 2 3 4] | window 3 | to json --raw");
assert_eq!(actual.out, "[[1,2,3],[2,3,4]]");
}
#[test]
fn each_window_stride() {
let actual = nu!("echo [1 2 3 4 5 6] | window 3 -s 2 | to json --raw");
assert_eq!(actual.out, "[[1,2,3],[3,4,5]]");
}
#[test]
fn each_no_args_in_block() {
let actual = nu!("echo [[foo bar]; [a b] [c d] [e f]] | each {|i| $i | to json -r } | get 1");
assert_eq!(actual.out, r#"{"foo":"c","bar":"d"}"#);
}
#[test]
fn each_implicit_it_in_block() {
let actual = nu!(
"echo [[foo bar]; [a b] [c d] [e f]] | each { |it| nu --testbin cococo $it.foo } | str join"
);
assert_eq!(actual.out, "ace");
}
#[test]
fn each_uses_enumerate_index() {
let actual = nu!("[7 8 9 10] | enumerate | each {|el| $el.index } | to nuon");
assert_eq!(actual.out, "[0, 1, 2, 3]");
}
#[test]
fn each_while_uses_enumerate_index() {
let actual = nu!("[7 8 9 10] | enumerate | each while {|el| $el.index } | to nuon");
assert_eq!(actual.out, "[0, 1, 2, 3]");
}
#[test]
fn errors_in_nested_each_show() {
let actual = nu!("[[1,2]] | each {|x| $x | each {|y| error make {msg: \"oh noes\"} } }");
assert!(actual.err.contains("oh noes"))
}