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extern crate clap;
extern crate regex;
#[cfg(test)]
mod tests {
include!("../clap-test.rs");
use clap::{App, Arg, SubCommand, ArgMatches};
fn get_app() -> App<'static, 'static> {
App::new("myprog")
.arg(Arg::with_name("GLOBAL_ARG")
.long("global-arg")
.help(
"Specifies something needed by the subcommands",
)
.global(true)
.takes_value(true)
.default_value("default_value"))
.arg(Arg::with_name("GLOBAL_FLAG")
.long("global-flag")
.help(
"Specifies something needed by the subcommands",
)
.multiple(true)
.global(true))
.subcommand(SubCommand::with_name("outer")
.subcommand(SubCommand::with_name("inner")))
}
fn get_matches(app: App<'static, 'static>, argv: &'static str) -> ArgMatches<'static> {
app.get_matches_from(argv.split(' ').collect::<Vec<_>>())
}
fn get_outer_matches<'a>(m: &'a ArgMatches<'static>) -> &'a ArgMatches<'static> {
m.subcommand_matches("outer").expect("could not access outer subcommand")
}
fn get_inner_matches<'a>(m: &'a ArgMatches<'static>) -> &'a ArgMatches<'static> {
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<'static>, val: T) -> bool {
m.value_of("GLOBAL_ARG") == val.into()
}
fn inner_can_access_arg<T: Into<Option<&'static str>>>(m: &ArgMatches<'static>, 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<'static>, val: T) -> bool {
get_outer_matches(m).value_of("GLOBAL_ARG") == val.into()
}
fn top_can_access_flag(m: &ArgMatches<'static>, present: bool, occurrences: u64) -> bool {
(m.is_present("GLOBAL_FLAG") == present) && (m.occurrences_of("GLOBAL_FLAG") == occurrences)
}
fn inner_can_access_flag(m: &ArgMatches<'static>, 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<'static>, 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));
}
}
|
