nushell/crates/nu-command/tests/commands/while_.rs
WindSoilder db3177a5aa
break for, loop, while execution when external command runs to failed (#7475)
Fixes: #7467

# User-Facing Changes

## for
```
❯ for i in 1..2 { echo 1;  ^false }
1
```

## loop
```
❯ loop { echo bb; ^false }
bb
```

## while
```
❯ mut x = 1; while $x < 3 { $x = $x + 1; echo bb; ^false }
bb
```
2022-12-14 16:20:18 +01:00

35 lines
926 B
Rust

use nu_test_support::nu;
#[test]
fn while_sum() {
let actual = nu!(
cwd: ".",
"mut total = 0; mut x = 0; while $x <= 10 { $total = $total + $x; $x = $x + 1 }; $total"
);
assert_eq!(actual.out, "55");
}
#[test]
fn while_auto_print_in_each_iteration() {
let actual = nu!(
cwd: ".",
"mut total = 0; while $total < 2 { $total = $total + 1; echo 1 }"
);
// Note: nu! macro auto repalce "\n" and "\r\n" with ""
// so our output will be `11`
// that's ok, our main concern is it auto print value in each iteration.
assert_eq!(actual.out, "11");
}
#[test]
fn while_break_on_external_failed() {
let actual = nu!(
cwd: ".",
"mut total = 0; while $total < 2 { $total = $total + 1; echo 1; nu --testbin fail }"
);
// Note: nu! macro auto repalce "\n" and "\r\n" with ""
// so our output will be `1`
assert_eq!(actual.out, "1");
}