clap/tests/propagate_globals.rs
Oleksii Filonenko 1e39967044
Fix some clippy lints
- Manually fix some problems
- Run 'cargo fix --clippy'

Commits taken from similar PRs open at that time:

- Replace indexmap remove with swap_remove
  Resolves #1562 and closes #1563
- Use cognitive_complexity for clippy lint
  Resolves #1564 and closes #1565
- Replace deprecated trim_left_matches with trim_start_matches
  Closes #1539

Co-authored-by: Antoine Martin <antoine97.martin@gmail.com>
Co-authored-by: Brian Foley <bpfoley@users.noreply.github.com>
2019-10-29 21:46:25 -04:00

150 lines
5.1 KiB
Rust

extern crate clap;
extern crate regex;
#[cfg(test)]
mod tests {
include!("../clap-test.rs");
use clap::{App, Arg, ArgMatches, ArgSettings};
fn get_app() -> App<'static> {
App::new("myprog")
.arg(
Arg::with_name("GLOBAL_ARG")
.long("global-arg")
.help("Specifies something needed by the subcommands")
.global(true)
.setting(ArgSettings::TakesValue)
.default_value("default_value"),
)
.arg(
Arg::with_name("GLOBAL_FLAG")
.long("global-flag")
.help("Specifies something needed by the subcommands")
.global(true)
.setting(ArgSettings::MultipleOccurrences),
)
.subcommand(App::new("outer").subcommand(App::new("inner")))
}
fn get_matches(app: App<'static>, argv: &'static str) -> ArgMatches {
app.get_matches_from(argv.split(' ').collect::<Vec<_>>())
}
fn get_outer_matches(m: &ArgMatches) -> &ArgMatches {
m.subcommand_matches("outer")
.expect("could not access outer subcommand")
}
fn get_inner_matches(m: &ArgMatches) -> &ArgMatches {
get_outer_matches(m)
.subcommand_matches("inner")
.expect("could not access inner subcommand")
}
fn top_can_access_arg<T: Into<Option<&'static str>>>(m: &ArgMatches, val: T) -> bool {
m.value_of("GLOBAL_ARG") == val.into()
}
fn inner_can_access_arg<T: Into<Option<&'static str>>>(m: &ArgMatches, val: T) -> bool {
get_inner_matches(m).value_of("GLOBAL_ARG") == val.into()
}
fn outer_can_access_arg<T: Into<Option<&'static str>>>(m: &ArgMatches, val: T) -> bool {
get_outer_matches(m).value_of("GLOBAL_ARG") == val.into()
}
fn top_can_access_flag(m: &ArgMatches, present: bool, occurrences: u64) -> bool {
(m.is_present("GLOBAL_FLAG") == present) && (m.occurrences_of("GLOBAL_FLAG") == occurrences)
}
fn inner_can_access_flag(m: &ArgMatches, present: bool, occurrences: u64) -> bool {
let m = get_inner_matches(m);
(m.is_present("GLOBAL_FLAG") == present) && (m.occurrences_of("GLOBAL_FLAG") == occurrences)
}
fn outer_can_access_flag(m: &ArgMatches, present: bool, occurrences: u64) -> bool {
let m = get_outer_matches(m);
(m.is_present("GLOBAL_FLAG") == present) && (m.occurrences_of("GLOBAL_FLAG") == occurrences)
}
#[test]
fn global_arg_used_top_level() {
let m = get_matches(get_app(), "myprog --global-arg=some_value outer inner");
assert!(top_can_access_arg(&m, "some_value"));
assert!(inner_can_access_arg(&m, "some_value"));
assert!(outer_can_access_arg(&m, "some_value"));
}
#[test]
fn global_arg_used_outer() {
let m = get_matches(get_app(), "myprog outer --global-arg=some_value inner");
assert!(top_can_access_arg(&m, "some_value"));
assert!(inner_can_access_arg(&m, "some_value"));
assert!(outer_can_access_arg(&m, "some_value"));
}
#[test]
fn global_arg_used_inner() {
let m = get_matches(get_app(), "myprog outer inner --global-arg=some_value");
assert!(top_can_access_arg(&m, "some_value"));
assert!(inner_can_access_arg(&m, "some_value"));
assert!(outer_can_access_arg(&m, "some_value"));
}
#[test]
fn global_arg_default_value() {
let m = get_matches(get_app(), "myprog outer inner");
assert!(top_can_access_arg(&m, "default_value"));
assert!(inner_can_access_arg(&m, "default_value"));
assert!(outer_can_access_arg(&m, "default_value"));
}
#[test]
fn global_flag_used_top_level() {
let m = get_matches(get_app(), "myprog --global-flag outer inner");
assert!(top_can_access_flag(&m, true, 1));
assert!(inner_can_access_flag(&m, true, 1));
assert!(outer_can_access_flag(&m, true, 1));
}
#[test]
fn global_flag_used_outer() {
let m = get_matches(get_app(), "myprog outer --global-flag inner");
assert!(top_can_access_flag(&m, true, 1));
assert!(inner_can_access_flag(&m, true, 1));
assert!(outer_can_access_flag(&m, true, 1));
}
#[test]
fn global_flag_used_inner() {
let m = get_matches(get_app(), "myprog outer inner --global-flag");
assert!(top_can_access_flag(&m, true, 1));
assert!(inner_can_access_flag(&m, true, 1));
assert!(outer_can_access_flag(&m, true, 1));
}
#[test]
fn global_flag_2x_used_top_level() {
let m = get_matches(get_app(), "myprog --global-flag --global-flag outer inner");
assert!(top_can_access_flag(&m, true, 2));
assert!(inner_can_access_flag(&m, true, 2));
assert!(outer_can_access_flag(&m, true, 2));
}
#[test]
fn global_flag_2x_used_inner() {
let m = get_matches(get_app(), "myprog outer inner --global-flag --global-flag");
assert!(top_can_access_flag(&m, true, 2));
assert!(inner_can_access_flag(&m, true, 2));
assert!(outer_can_access_flag(&m, true, 2));
}
}