mirror of
https://github.com/clap-rs/clap
synced 2024-12-14 23:02:31 +00:00
045bf99ae0
This is prep for moving the derive tests. Besides organizing the test folder for each API, this should reduce link time at the cost of re-compiling more when a test changes.
143 lines
4.5 KiB
Rust
143 lines
4.5 KiB
Rust
use clap::{App, Arg, ArgMatches};
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fn get_app() -> App<'static> {
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App::new("myprog")
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.arg(
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Arg::new("GLOBAL_ARG")
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.long("global-arg")
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.help("Specifies something needed by the subcommands")
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.global(true)
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.takes_value(true)
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.default_value("default_value"),
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)
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.arg(
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Arg::new("GLOBAL_FLAG")
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.long("global-flag")
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.help("Specifies something needed by the subcommands")
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.global(true)
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.multiple_occurrences(true),
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)
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.subcommand(App::new("outer").subcommand(App::new("inner")))
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}
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fn get_matches(app: App<'static>, argv: &'static str) -> ArgMatches {
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app.get_matches_from(argv.split(' ').collect::<Vec<_>>())
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}
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fn get_outer_matches(m: &ArgMatches) -> &ArgMatches {
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m.subcommand_matches("outer")
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.expect("could not access outer subcommand")
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}
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fn get_inner_matches(m: &ArgMatches) -> &ArgMatches {
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get_outer_matches(m)
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.subcommand_matches("inner")
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.expect("could not access inner subcommand")
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}
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fn top_can_access_arg<T: Into<Option<&'static str>>>(m: &ArgMatches, val: T) -> bool {
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m.value_of("GLOBAL_ARG") == val.into()
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}
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fn inner_can_access_arg<T: Into<Option<&'static str>>>(m: &ArgMatches, val: T) -> bool {
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get_inner_matches(m).value_of("GLOBAL_ARG") == val.into()
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}
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fn outer_can_access_arg<T: Into<Option<&'static str>>>(m: &ArgMatches, val: T) -> bool {
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get_outer_matches(m).value_of("GLOBAL_ARG") == val.into()
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}
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fn top_can_access_flag(m: &ArgMatches, present: bool, occurrences: u64) -> bool {
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(m.is_present("GLOBAL_FLAG") == present) && (m.occurrences_of("GLOBAL_FLAG") == occurrences)
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}
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fn inner_can_access_flag(m: &ArgMatches, present: bool, occurrences: u64) -> bool {
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let m = get_inner_matches(m);
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(m.is_present("GLOBAL_FLAG") == present) && (m.occurrences_of("GLOBAL_FLAG") == occurrences)
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}
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fn outer_can_access_flag(m: &ArgMatches, present: bool, occurrences: u64) -> bool {
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let m = get_outer_matches(m);
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(m.is_present("GLOBAL_FLAG") == present) && (m.occurrences_of("GLOBAL_FLAG") == occurrences)
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}
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#[test]
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fn global_arg_used_top_level() {
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let m = get_matches(get_app(), "myprog --global-arg=some_value outer inner");
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assert!(top_can_access_arg(&m, "some_value"));
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assert!(inner_can_access_arg(&m, "some_value"));
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assert!(outer_can_access_arg(&m, "some_value"));
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}
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#[test]
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fn global_arg_used_outer() {
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let m = get_matches(get_app(), "myprog outer --global-arg=some_value inner");
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assert!(top_can_access_arg(&m, "some_value"));
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assert!(inner_can_access_arg(&m, "some_value"));
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assert!(outer_can_access_arg(&m, "some_value"));
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}
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#[test]
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fn global_arg_used_inner() {
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let m = get_matches(get_app(), "myprog outer inner --global-arg=some_value");
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assert!(top_can_access_arg(&m, "some_value"));
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assert!(inner_can_access_arg(&m, "some_value"));
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assert!(outer_can_access_arg(&m, "some_value"));
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}
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#[test]
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fn global_arg_default_value() {
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let m = get_matches(get_app(), "myprog outer inner");
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assert!(top_can_access_arg(&m, "default_value"));
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assert!(inner_can_access_arg(&m, "default_value"));
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assert!(outer_can_access_arg(&m, "default_value"));
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}
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#[test]
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fn global_flag_used_top_level() {
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let m = get_matches(get_app(), "myprog --global-flag outer inner");
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assert!(top_can_access_flag(&m, true, 1));
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assert!(inner_can_access_flag(&m, true, 1));
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assert!(outer_can_access_flag(&m, true, 1));
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}
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#[test]
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fn global_flag_used_outer() {
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let m = get_matches(get_app(), "myprog outer --global-flag inner");
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assert!(top_can_access_flag(&m, true, 1));
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assert!(inner_can_access_flag(&m, true, 1));
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assert!(outer_can_access_flag(&m, true, 1));
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}
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#[test]
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fn global_flag_used_inner() {
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let m = get_matches(get_app(), "myprog outer inner --global-flag");
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assert!(top_can_access_flag(&m, true, 1));
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assert!(inner_can_access_flag(&m, true, 1));
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assert!(outer_can_access_flag(&m, true, 1));
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}
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#[test]
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fn global_flag_2x_used_top_level() {
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let m = get_matches(get_app(), "myprog --global-flag --global-flag outer inner");
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assert!(top_can_access_flag(&m, true, 2));
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assert!(inner_can_access_flag(&m, true, 2));
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assert!(outer_can_access_flag(&m, true, 2));
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}
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#[test]
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fn global_flag_2x_used_inner() {
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let m = get_matches(get_app(), "myprog outer inner --global-flag --global-flag");
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assert!(top_can_access_flag(&m, true, 2));
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assert!(inner_can_access_flag(&m, true, 2));
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assert!(outer_can_access_flag(&m, true, 2));
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}
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