nushell/crates/nu-command/src/commands/chart.rs
JT fc59291191
Simplify down to one type of context (#3379)
* Simplify down to one type of context

* More simplification
2021-05-03 11:45:55 +12:00

47 lines
1.1 KiB
Rust

use crate::prelude::*;
use nu_engine::WholeStreamCommand;
use nu_errors::ShellError;
use nu_protocol::{ReturnSuccess, Signature, UntaggedValue};
#[derive(Clone)]
pub struct Chart;
impl WholeStreamCommand for Chart {
fn name(&self) -> &str {
"chart"
}
fn signature(&self) -> Signature {
Signature::build("chart")
}
fn usage(&self) -> &str {
"Displays charts."
}
fn run_with_actions(&self, args: CommandArgs) -> Result<ActionStream, ShellError> {
if args.scope().get_command("chart bar").is_none() {
return Err(ShellError::untagged_runtime_error(
"nu_plugin_chart not installed.",
));
}
Ok(ActionStream::one(Ok(ReturnSuccess::Value(
UntaggedValue::string(get_full_help(&Chart, args.scope())).into_value(Tag::unknown()),
))))
}
}
#[cfg(test)]
mod tests {
use super::Chart;
use super::ShellError;
#[test]
fn examples_work_as_expected() -> Result<(), ShellError> {
use crate::examples::test as test_examples;
test_examples(Chart {})
}
}