nushell/crates/nu-command/tests/commands/assignment/append_assign.rs

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use nu_test_support::{nu, pipeline};
#[test]
fn append_assign_int() {
let actual = nu!(
cwd: ".", pipeline(
r#"
mut a = [1 2];
$a ++= [3 4];
$a
"#
));
let expected = nu!(
cwd: ".", pipeline(
r#"
[1 2 3 4]
"#
));
print!("{}", actual.out);
print!("{}", expected.out);
assert_eq!(actual.out, expected.out);
}
#[test]
fn append_assign_string() {
let actual = nu!(
cwd: ".", pipeline(
r#"
mut a = [a b];
$a ++= [c d];
$a
"#
));
let expected = nu!(
cwd: ".", pipeline(
r#"
[a b c d]
"#
));
print!("{}", actual.out);
print!("{}", expected.out);
assert_eq!(actual.out, expected.out);
}
#[test]
fn append_assign_any() {
let actual = nu!(
cwd: ".", pipeline(
r#"
mut a = [1 2 a];
$a ++= [b 3];
$a
"#
));
let expected = nu!(
cwd: ".", pipeline(
r#"
[1 2 a b 3]
"#
));
print!("{}", actual.out);
print!("{}", expected.out);
assert_eq!(actual.out, expected.out);
}
#[test]
fn append_assign_both_empty() {
let actual = nu!(
cwd: ".", pipeline(
r#"
mut a = [];
$a ++= [];
$a
"#
));
let expected = nu!(
cwd: ".", pipeline(
r#"
[]
"#
));
print!("{}", actual.out);
print!("{}", expected.out);
assert_eq!(actual.out, expected.out);
}
#[test]
fn append_assign_type_mismatch() {
let actual = nu!(
cwd: ".", pipeline(
r#"
mut a = [1 2];
$a ++= [a];
allow different types of lists to be appended (#8157) # Description closes #8153 This PR allows different types of lists, like `list<string>` and `list<any>` to be appended with the `++=` operator. ## Before ``` mut args = [ hello ("hello" | path join world)] $args ++= [ foo bar ] Error: nu::parser::type_mismatch (link) × Type mismatch during operation. ╭─[entry #2:1:1] 1 │ $args ++= [ foo bar ] · ─────┬───── · ╰── expected list<any>, found list<string> ╰──── ``` ## After ``` mut args = [ hello ("hello" | path join world)] $args ++= [ foo bar ] $args ╭───┬─────────────╮ │ 0 │ hello │ │ 1 │ hello\world │ │ 2 │ foo │ │ 3 │ bar │ ╰───┴─────────────╯ ``` # User-Facing Changes _(List of all changes that impact the user experience here. This helps us keep track of breaking changes.)_ # Tests + Formatting Don't forget to add tests that cover your changes. Make sure you've run and fixed any issues with these commands: - `cargo fmt --all -- --check` to check standard code formatting (`cargo fmt --all` applies these changes) - `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A clippy::needless_collect` to check that you're using the standard code style - `cargo test --workspace` to check that all tests pass # After Submitting If your PR had any user-facing changes, update [the documentation](https://github.com/nushell/nushell.github.io) after the PR is merged, if necessary. This will help us keep the docs up to date.
2023-02-22 13:53:36 +01:00
$a | to json -r;
"#
));
allow different types of lists to be appended (#8157) # Description closes #8153 This PR allows different types of lists, like `list<string>` and `list<any>` to be appended with the `++=` operator. ## Before ``` mut args = [ hello ("hello" | path join world)] $args ++= [ foo bar ] Error: nu::parser::type_mismatch (link) × Type mismatch during operation. ╭─[entry #2:1:1] 1 │ $args ++= [ foo bar ] · ─────┬───── · ╰── expected list<any>, found list<string> ╰──── ``` ## After ``` mut args = [ hello ("hello" | path join world)] $args ++= [ foo bar ] $args ╭───┬─────────────╮ │ 0 │ hello │ │ 1 │ hello\world │ │ 2 │ foo │ │ 3 │ bar │ ╰───┴─────────────╯ ``` # User-Facing Changes _(List of all changes that impact the user experience here. This helps us keep track of breaking changes.)_ # Tests + Formatting Don't forget to add tests that cover your changes. Make sure you've run and fixed any issues with these commands: - `cargo fmt --all -- --check` to check standard code formatting (`cargo fmt --all` applies these changes) - `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A clippy::needless_collect` to check that you're using the standard code style - `cargo test --workspace` to check that all tests pass # After Submitting If your PR had any user-facing changes, update [the documentation](https://github.com/nushell/nushell.github.io) after the PR is merged, if necessary. This will help us keep the docs up to date.
2023-02-22 13:53:36 +01:00
assert_eq!(actual.out, r#"[1,2,"a"]"#);
}