nushell/crates/nu-command/src/commands/str_/case/kebab_case.rs
2021-03-06 14:31:22 -06:00

72 lines
1.9 KiB
Rust

use super::operate;
use crate::prelude::*;
use inflector::cases::kebabcase::to_kebab_case;
use nu_engine::WholeStreamCommand;
use nu_errors::ShellError;
use nu_protocol::{Signature, SyntaxShape, Value};
pub struct SubCommand;
#[async_trait]
impl WholeStreamCommand for SubCommand {
fn name(&self) -> &str {
"str kebab-case"
}
fn signature(&self) -> Signature {
Signature::build("str kebab-case").rest(
SyntaxShape::ColumnPath,
"optionally convert text to kebab-case by column paths",
)
}
fn usage(&self) -> &str {
"converts a string to kebab-case"
}
async fn run(&self, args: CommandArgs) -> Result<OutputStream, ShellError> {
operate(args, &to_kebab_case).await
}
fn examples(&self) -> Vec<Example> {
vec![Example {
description: "convert a string to kebab-case",
example: "echo 'NuShell' | str kebab-case",
result: Some(vec![Value::from("nu-shell")]),
}]
}
}
#[cfg(test)]
mod tests {
use super::ShellError;
use super::{to_kebab_case, SubCommand};
use crate::commands::str_::case::action;
use nu_source::Tag;
use nu_test_support::value::string;
#[test]
fn examples_work_as_expected() -> Result<(), ShellError> {
use crate::examples::test as test_examples;
test_examples(SubCommand {})
}
#[test]
fn kebab_case_from_camel() {
let word = string("thisIsTheFirstCase");
let expected = string("this-is-the-first-case");
let actual = action(&word, Tag::unknown(), &to_kebab_case).unwrap();
assert_eq!(actual, expected);
}
#[test]
fn kebab_case_from_screaming_snake() {
let word = string("THIS_IS_THE_SECOND_CASE");
let expected = string("this-is-the-second-case");
let actual = action(&word, Tag::unknown(), &to_kebab_case).unwrap();
assert_eq!(actual, expected);
}
}