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https://github.com/nushell/nushell
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808e523adc
# Description Prevents alias from aliasing itself. It allows a commonly requested pattern similar to `alias ls = ls -l`. One small issue is that the syntax highlighting is a bit off:  Fixes https://github.com/nushell/nushell/issues/8246 # User-Facing Changes Shouldn't be a breaking change. # 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.
112 lines
2.5 KiB
Rust
112 lines
2.5 KiB
Rust
use nu_test_support::{nu, pipeline};
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#[ignore = "TODO?: Aliasing parser keywords does not work anymore"]
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#[test]
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fn alias_simple() {
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let actual = nu!(
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cwd: "tests/fixtures/formats", pipeline(
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r#"
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alias bar = use sample_def.nu greet;
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bar;
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greet
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"#
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));
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assert_eq!(actual.out, "hello");
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}
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#[ignore = "TODO?: Aliasing parser keywords does not work anymore"]
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#[test]
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fn alias_hiding_1() {
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let actual = nu!(
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cwd: "tests/fixtures/formats", pipeline(
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r#"
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overlay use ./activate-foo.nu;
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$nu.scope.aliases | find deactivate-foo | length
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"#
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));
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assert_eq!(actual.out, "1");
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}
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#[ignore = "TODO?: Aliasing parser keywords does not work anymore"]
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#[test]
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fn alias_hiding_2() {
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let actual = nu!(
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cwd: "tests/fixtures/formats", pipeline(
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r#"
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overlay use ./activate-foo.nu;
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deactivate-foo;
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$nu.scope.aliases | find deactivate-foo | length
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"#
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));
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assert_eq!(actual.out, "0");
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}
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#[test]
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fn alias_fails_with_invalid_name() {
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let err_msg = "name can't be a number, a filesize, or contain a hash # or caret ^";
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let actual = nu!(
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cwd: ".", pipeline(
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r#"
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alias 1234 = echo "test"
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"#
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));
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assert!(actual.err.contains(err_msg));
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let actual = nu!(
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cwd: ".", pipeline(
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r#"
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alias 5gib = echo "test"
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"#
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));
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assert!(actual.err.contains(err_msg));
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let actual = nu!(
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cwd: ".", pipeline(
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r#"
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alias "te#t" = echo "test"
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"#
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));
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assert!(actual.err.contains(err_msg));
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let actual = nu!(
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cwd: ".", pipeline(
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r#"
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alias ^foo = echo "bar"
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"#
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));
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assert!(actual.err.contains(err_msg));
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}
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#[test]
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fn cant_alias_keyword() {
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let actual = nu!(
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cwd: ".", pipeline(
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r#"
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alias ou = let
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"#
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));
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assert!(actual.err.contains("cant_alias_keyword"));
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}
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#[test]
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fn alias_wont_recurse() {
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let actual = nu!(
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cwd: ".", pipeline(
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r#"
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module myspamsymbol {
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export def myfoosymbol [prefix: string, msg: string] {
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$prefix + $msg
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}
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};
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use myspamsymbol myfoosymbol;
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alias myfoosymbol = myfoosymbol 'hello';
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myfoosymbol ' world'
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"#
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));
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assert_eq!(actual.out, "hello world");
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assert!(actual.err.is_empty());
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}
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