remove the unfold command (#10773)

follow-up to:
- https://github.com/nushell/nushell/pull/10771

> **Important**
> wait for between 0.87 and 0.88 to land this

# Description
after deprecation comes the removal... this PR removes `unfold` in favor
of `generate` 🥳

# User-Facing Changes
users should use `generate` now, `unfold` will stop working.

# Tests + Formatting

# After Submitting
This commit is contained in:
Antoine Stevan
2023-11-16 23:50:20 +01:00
committed by GitHub
parent 84cdc0d521
commit dbdb1f6600
4 changed files with 0 additions and 347 deletions

View File

@ -1,102 +0,0 @@
use nu_test_support::{nu, pipeline};
#[test]
fn unfold_no_next_break() {
let actual =
nu!("unfold 1 {|x| if $x == 3 { {out: $x}} else { {out: $x, next: ($x + 1)} }} | to nuon");
assert_eq!(actual.out, "[1, 2, 3]");
}
#[test]
fn unfold_null_break() {
let actual = nu!("unfold 1 {|x| if $x <= 3 { {out: $x, next: ($x + 1)} }} | to nuon");
assert_eq!(actual.out, "[1, 2, 3]");
}
#[test]
fn unfold_allows_empty_output() {
let actual = nu!(pipeline(
r#"
unfold 0 {|x|
if $x == 1 {
{next: ($x + 1)}
} else if $x < 3 {
{out: $x, next: ($x + 1)}
}
} | to nuon
"#
));
assert_eq!(actual.out, "[0, 2]");
}
#[test]
fn unfold_allows_no_output() {
let actual = nu!(pipeline(
r#"
unfold 0 {|x|
if $x < 3 {
{next: ($x + 1)}
}
} | to nuon
"#
));
assert_eq!(actual.out, "[]");
}
#[test]
fn unfold_allows_null_state() {
let actual = nu!(pipeline(
r#"
unfold 0 {|x|
if $x == null {
{out: "done"}
} else if $x < 1 {
{out: "going", next: ($x + 1)}
} else {
{out: "stopping", next: null}
}
} | to nuon
"#
));
assert_eq!(actual.out, "[going, stopping, done]");
}
#[test]
fn unfold_allows_null_output() {
let actual = nu!(pipeline(
r#"
unfold 0 {|x|
if $x == 3 {
{out: "done"}
} else {
{out: null, next: ($x + 1)}
}
} | to nuon
"#
));
assert_eq!(actual.out, "[null, null, null, done]");
}
#[test]
fn unfold_disallows_extra_keys() {
let actual = nu!("unfold 0 {|x| {foo: bar, out: $x}}");
assert!(actual.err.contains("Invalid block return"));
}
#[test]
fn unfold_disallows_list() {
let actual = nu!("unfold 0 {|x| [$x, ($x + 1)]}");
assert!(actual.err.contains("Invalid block return"));
}
#[test]
fn unfold_disallows_primitive() {
let actual = nu!("unfold 0 {|x| 1}");
assert!(actual.err.contains("Invalid block return"));
}