forked from clap-rs/clap
/
issues.rs
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/
issues.rs
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// https://github.com/TeXitoi/structopt/issues/{NUMBER}
mod utils;
use utils::*;
use clap::{AppSettings, ArgGroup, Clap};
#[test]
fn issue_151() {
#[derive(Clap, Debug)]
#[clap(group = ArgGroup::new("verb").required(true).multiple(true))]
struct Opt {
#[clap(long, group = "verb")]
foo: bool,
#[clap(long, group = "verb")]
bar: bool,
}
#[derive(Debug, Clap)]
struct Cli {
#[clap(flatten)]
a: Opt,
}
assert!(Cli::try_parse_from(&["test"]).is_err());
assert!(Cli::try_parse_from(&["test", "--foo"]).is_ok());
assert!(Cli::try_parse_from(&["test", "--bar"]).is_ok());
assert!(Cli::try_parse_from(&["test", "--zebra"]).is_err());
assert!(Cli::try_parse_from(&["test", "--foo", "--bar"]).is_ok());
}
#[test]
fn issue_289() {
#[derive(Clap)]
#[clap(setting = AppSettings::InferSubcommands)]
enum Args {
SomeCommand {
#[clap(subcommand)]
sub: SubSubCommand,
},
AnotherCommand,
}
// FIXME (@CreepySkeleton): current implementation requires us to
// derive IntoApp here while we don't really need it
#[derive(Clap)]
#[clap(setting = AppSettings::InferSubcommands)]
enum SubSubCommand {
TestCommand,
}
assert!(Args::try_parse_from(&["test", "some-command", "test-command"]).is_ok());
assert!(Args::try_parse_from(&["test", "some", "test-command"]).is_ok());
assert!(Args::try_parse_from(&["test", "some-command", "test"]).is_ok());
assert!(Args::try_parse_from(&["test", "some", "test"]).is_ok());
}
#[test]
fn issue_324() {
fn my_version() -> &'static str {
"MY_VERSION"
}
#[derive(Clap)]
#[clap(version = my_version())]
struct Opt {
#[clap(subcommand)]
_cmd: Option<SubCommand>,
}
#[derive(Clap)]
enum SubCommand {
Start,
}
let help = get_long_help::<Opt>();
assert!(help.contains("MY_VERSION"));
}
#[test]
fn issue_490() {
use clap::Clap;
use std::iter::FromIterator;
use std::str::FromStr;
struct U16ish;
impl FromStr for U16ish {
type Err = ();
fn from_str(_: &str) -> Result<Self, Self::Err> {
unimplemented!()
}
}
impl<'a> FromIterator<&'a U16ish> for Vec<u16> {
fn from_iter<T: IntoIterator<Item = &'a U16ish>>(_: T) -> Self {
unimplemented!()
}
}
#[derive(Clap, Debug)]
struct Opt {
opt_vec: Vec<u16>,
#[clap(long)]
opt_opt_vec: Option<Vec<u16>>,
}
// Assert that it compiles
}