nushell/crates/nu-command/tests/commands/which.rs
John-Goff c13fe83784
Rename count to length (#3166)
* update docs to refer to length instead of count

* rename count to length

* change all occurrences of 'count' to 'length' in tests

* format length command
2021-03-14 10:46:40 +13:00

97 lines
2.4 KiB
Rust

use nu_test_support::nu;
#[test]
fn which_ls() {
let actual = nu!(
cwd: ".",
"which ls | get path | str trim"
);
assert_eq!(actual.out, "Nushell built-in command");
}
#[test]
fn which_alias_ls() {
let actual = nu!(
cwd: ".",
"alias ls = ls -a; which ls | get path | str trim"
);
assert_eq!(actual.out, "Nushell alias: ls -a");
}
#[test]
fn which_def_ls() {
let actual = nu!(
cwd: ".",
"def ls [] {echo def}; which ls | get path | str trim"
);
assert_eq!(actual.out, "Nushell custom command");
}
#[test]
fn correct_precedence_alias_def_custom() {
let actual = nu!(
cwd: ".",
"def ls [] {echo def}; alias ls = echo alias; which ls | get path | str trim"
);
assert_eq!(actual.out, "Nushell alias: echo alias");
}
#[test]
fn multiple_reports_for_alias_def_custom() {
let actual = nu!(
cwd: ".",
"def ls [] {echo def}; alias ls = echo alias; which -a ls | length"
);
let length: i32 = actual.out.parse().unwrap();
assert!(length >= 3);
}
// `get_aliases_with_name` and `get_custom_commands_with_name` don't return the correct count of
// values
// I suspect this is due to the ScopeFrame getting discarded at '}' and the command is then
// executed in the parent scope
// See: parse_definition, line 2187 for reference.
#[ignore]
#[test]
fn multiple_reports_of_multiple_alias() {
let actual = nu!(
cwd: ".",
"alias xaz = echo alias1; def helper [] {alias xaz = echo alias2; which -a xaz}; helper | length"
);
let length: i32 = actual.out.parse().unwrap();
assert_eq!(length, 2);
}
#[ignore]
#[test]
fn multiple_reports_of_multiple_defs() {
let actual = nu!(
cwd: ".",
"def xaz [] {echo def1}; def helper [] { def xaz [] { echo def2 }; which -a xaz }; helper | length"
);
let length: i32 = actual.out.parse().unwrap();
assert_eq!(length, 2);
}
//Fails due to ParserScope::add_definition
// frame.custom_commands.insert(name.clone(), block.clone());
// frame.commands.insert(name, whole_stream_command(block));
#[ignore]
#[test]
fn def_only_seen_once() {
let actual = nu!(
cwd: ".",
"def xaz [] {echo def1}; which -a xaz | length"
);
//length is 2. One custom_command (def) one built in ("wrongly" added)
let length: i32 = actual.out.parse().unwrap();
assert_eq!(length, 1);
}