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

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use nu_test_support::{nu, pipeline};
#[test]
fn alias_simple() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
alias bar = use sample_def.nu greet;
bar;
greet
"#
));
assert_eq!(actual.out, "hello");
}
#[test]
fn alias_hiding_1() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
overlay use ./activate-foo.nu;
$nu.scope.aliases | find deactivate-foo | length
"#
));
assert_eq!(actual.out, "1");
}
#[test]
fn alias_hiding_2() {
let actual = nu!(
cwd: "tests/fixtures/formats", pipeline(
r#"
overlay use ./activate-foo.nu;
deactivate-foo;
$nu.scope.aliases | find deactivate-foo | length
"#
));
assert_eq!(actual.out, "0");
}
#[test]
fn alias_fails_with_invalid_name() {
let err_msg = "alias name can't be a number, a filesize, or contain a hash # or caret ^";
let actual = nu!(
cwd: ".", pipeline(
r#"
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alias 1234 = echo "test"
"#
));
assert!(actual.err.contains(err_msg));
let actual = nu!(
cwd: ".", pipeline(
r#"
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alias 5gib = echo "test"
"#
));
assert!(actual.err.contains(err_msg));
let actual = nu!(
cwd: ".", pipeline(
r#"
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alias "te#t" = echo "test"
"#
));
assert!(actual.err.contains(err_msg));
let actual = nu!(
cwd: ".", pipeline(
r#"
alias ^foo = "bar"
"#
));
assert!(actual.err.contains(err_msg));
}
#[test]
fn alias_alone_lists_aliases() {
let actual = nu!(
cwd: ".", pipeline(
r#"
alias a = 3; alias
"#
));
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assert!(actual.out.contains("name") && actual.out.contains("expansion"));
}