nushell/crates/nu-command/tests/commands/mut_.rs

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use nu_test_support::nu;
#[test]
fn mut_variable() {
let actual = nu!(r#"
mut x = 3; $x = $x + 1; $x
"#);
assert_eq!(actual.out, "4");
}
#[test]
fn mut_name_builtin_var() {
let actual = nu!(r#"
mut in = 3
"#);
assert!(actual
.err
.contains("'in' is the name of a builtin Nushell variable"));
}
#[test]
fn mut_name_builtin_var_with_dollar() {
let actual = nu!(r#"
mut $env = 3
"#);
assert!(actual
.err
.contains("'env' is the name of a builtin Nushell variable"))
}
#[test]
fn mut_variable_in_loop() {
let actual = nu!(r#"
mut x = 1; for i in 1..10 { $x = $x + $i}; $x
"#);
assert_eq!(actual.out, "56");
}
#[test]
fn capture_of_mutable_var() {
let actual = nu!(r#"
mut x = 123; {|| $x }
"#);
assert!(actual.err.contains("capture of mutable variable"));
}
#[test]
fn mut_add_assign() {
let actual = nu!(r#"
mut y = 3; $y += 2; $y
"#);
assert_eq!(actual.out, "5");
}
#[test]
fn mut_minus_assign() {
let actual = nu!(r#"
mut y = 3; $y -= 2; $y
"#);
assert_eq!(actual.out, "1");
}
#[test]
fn mut_multiply_assign() {
let actual = nu!(r#"
mut y = 3; $y *= 2; $y
"#);
assert_eq!(actual.out, "6");
}
#[test]
fn mut_divide_assign() {
let actual = nu!(r#"
mut y = 8; $y /= 2; $y
"#);
assert_eq!(actual.out, "4");
}
#[test]
fn mut_path_insert() {
let actual = nu!(r#"
mut y = {abc: 123}; $y.abc = 456; $y.abc
"#);
assert_eq!(actual.out, "456");
}
#[test]
fn mut_path_insert_list() {
let actual = nu!(r#"
mut a = [0 1 2]; $a.3 = 3; $a | to nuon
"#);
assert_eq!(actual.out, "[0, 1, 2, 3]");
}
#[test]
fn mut_path_upsert() {
let actual = nu!(r#"
mut a = {b:[{c:1}]}; $a.b.0.d = 11; $a.b.0.d
"#);
assert_eq!(actual.out, "11");
}
#[test]
fn mut_path_upsert_list() {
let actual = nu!(r#"
mut a = [[[3] 2] 1]; $a.0.0.1 = 0; $a.0.2 = 0; $a.2 = 0; $a | to nuon
"#);
assert_eq!(actual.out, "[[[3, 0], 2, 0], 1, 0]");
}
#[test]
fn mut_path_operator_assign() {
let actual = nu!(r#"
mut a = {b:1}; $a.b += 3; $a.b -= 2; $a.b *= 10; $a.b /= 4; $a.b
"#);
assert_eq!(actual.out, "5");
}
upserting data of a cellpath that doesn't exist into a record creates the cellpath (#9257) # Description Fixes #9254. # User-Facing Changes upserting data of a cellpath that doesn't exist into a record now creates the cellpath. # Tests + Formatting ``` ~/CodingProjects/nushell> mut a = {} ~/CodingProjects/nushell> $a.b.c = 99 ~/CodingProjects/nushell> $a ╭───┬────────────╮ │ │ ╭───┬────╮ │ │ b │ │ c │ 99 │ │ │ │ ╰───┴────╯ │ ╰───┴────────────╯ ``` <!-- 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 -A clippy::result_large_err` to check that you're using the standard code style - `cargo test --workspace` to check that all tests pass - `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the standard library > **Note** > from `nushell` you can also use the `toolkit` as follows > ```bash > use toolkit.nu # or use an `env_change` hook to activate it automatically > toolkit check pr > ``` --> # 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. -->
2023-05-22 18:51:07 +02:00
#[test]
fn mut_records_update_properly() {
let actual = nu!("mut a = {}; $a.b.c = 100; $a.b.c");
upserting data of a cellpath that doesn't exist into a record creates the cellpath (#9257) # Description Fixes #9254. # User-Facing Changes upserting data of a cellpath that doesn't exist into a record now creates the cellpath. # Tests + Formatting ``` ~/CodingProjects/nushell> mut a = {} ~/CodingProjects/nushell> $a.b.c = 99 ~/CodingProjects/nushell> $a ╭───┬────────────╮ │ │ ╭───┬────╮ │ │ b │ │ c │ 99 │ │ │ │ ╰───┴────╯ │ ╰───┴────────────╯ ``` <!-- 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 -A clippy::result_large_err` to check that you're using the standard code style - `cargo test --workspace` to check that all tests pass - `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the standard library > **Note** > from `nushell` you can also use the `toolkit` as follows > ```bash > use toolkit.nu # or use an `env_change` hook to activate it automatically > toolkit check pr > ``` --> # 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. -->
2023-05-22 18:51:07 +02:00
assert_eq!(actual.out, "100");
}
support env and mut assignment with `if` block and `match` guard (#9650) <!-- if this PR closes one or more issues, you can automatically link the PR with them by using one of the [*linking keywords*](https://docs.github.com/en/issues/tracking-your-work-with-issues/linking-a-pull-request-to-an-issue#linking-a-pull-request-to-an-issue-using-a-keyword), e.g. - this PR should close #xxxx - fixes #xxxx you can also mention related issues, PRs or discussions! --> # Description <!-- Thank you for improving Nushell. Please, check our [contributing guide](../CONTRIBUTING.md) and talk to the core team before making major changes. Description of your pull request goes here. **Provide examples and/or screenshots** if your changes affect the user experience. --> Fixes: https://github.com/nushell/nushell/issues/9595 So we can do the following in nushell: ```nushell mut a = 3 $a = if 4 == 3 { 10 } else {20} ``` or ```nushell $env.BUILD_EXT = match 3 { 1 => { 'yes!' }, _ => { 'no!' } } ``` # 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 -A clippy::result_large_err` to check that you're using the standard code style - `cargo test --workspace` to check that all tests pass - `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the standard library > **Note** > from `nushell` you can also use the `toolkit` as follows > ```bash > use toolkit.nu # or use an `env_change` hook to activate it automatically > toolkit check pr > ``` --> # 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. --> --------- Co-authored-by: WindSoilder <windsoilder@DESKTOP-R8GRJ1D.localdomain>
2023-07-13 10:55:41 +02:00
#[test]
fn mut_value_with_if() {
let actual = nu!("mut a = 3; $a = if 3 == 3 { 10 }; echo $a");
assert_eq!(actual.out, "10");
}
#[test]
fn mut_value_with_match() {
let actual = nu!("mut a = 3; $a = match 3 { 1 => { 'yes!' }, _ => { 'no!' } }; echo $a");
assert_eq!(actual.out, "no!");
}