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Change tests to reduce duplication

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This change lets us test multiple orderings of the global
argument and subcommand issue with less duplicated code.
This commit is contained in:
Will Murphy 2017-10-01 13:24:18 -04:00
parent 12a7310233
commit f4c3a21a8f
1 changed files with 49 additions and 26 deletions
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75
tests/propagate_globals_down.rs
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@ -1,9 +1,7 @@
extern crate clap;
extern crate regex;
include!("../clap-test.rs");
use clap::{App, Arg, SubCommand, ErrorKind, AppSettings};
static VISIBLE_ALIAS_HELP: &'static str = "clap-test 2.6
@ -51,36 +49,61 @@ USAGE:
For more information try --help";
#[test]
fn subcommand_can_access_global_arg_if_setting_is_on() {
let global_arg = Arg::with_name("GLOBAL_ARG")
.long("global-arg")
.help(
"Specifies something needed by the subcommands",
)
.global(true)
.takes_value(true);
let double_sub_command = SubCommand::with_name("outer")
.subcommand(SubCommand::with_name("run"));
#[cfg(test)]
mod tests {
include!("../clap-test.rs");
use clap;
use clap::{App, Arg, SubCommand, ErrorKind, AppSettings};
let matches = App::new("globals")
.setting(AppSettings::PropagateGlobalValuesDown)
.arg(global_arg)
.subcommand(double_sub_command)
.get_matches_from(
vec!["globals", "outer", "run", "--global-arg", "some_value"]
fn setup_app_with_globals_and_subcommands<'a, 'b>() -> clap::App<'a, 'b> {
let global_arg = Arg::with_name("GLOBAL_ARG")
.long("global-arg")
.help(
"Specifies something needed by the subcommands",
)
.global(true)
.takes_value(true);
let double_sub_command = SubCommand::with_name("outer")
.subcommand(SubCommand::with_name("run"));
App::new("globals")
.setting(AppSettings::PropagateGlobalValuesDown)
.arg(global_arg)
.subcommand(double_sub_command)
}
fn test_arg_vector(arg_vector : Vec<&str>) {
let matches = setup_app_with_globals_and_subcommands().get_matches_from(
arg_vector
);
let sub_match = matches.subcommand_matches("outer").expect("could not access subcommand");
let sub_match = matches.subcommand_matches("outer").expect("could not access subcommand");
assert_eq!(sub_match.value_of("GLOBAL_ARG").expect("subcommand could not access global arg"),
"some_value", "subcommand did not have expected value for global arg");
assert_eq!(sub_match.value_of("GLOBAL_ARG").expect("subcommand could not access global arg"),
"some_value", "subcommand did not have expected value for global arg");
let sub_sub_match = sub_match.subcommand_matches("run").expect("could not access inner sub");
let sub_sub_match = sub_match.subcommand_matches("run").expect("could not access inner sub");
assert_eq!(sub_sub_match.value_of("GLOBAL_ARG").expect("subcommand could not access global arg"),
"some_value", "inner subcommand did not have expected value for global arg");
assert_eq!(sub_sub_match.value_of("GLOBAL_ARG").expect("inner subcommand could not access global arg"),
"some_value", "inner subcommand did not have expected value for global arg");
}
#[test]
fn subcommand_can_access_global_arg_if_global_arg_is_last() {
test_arg_vector(vec!["globals", "outer", "run", "--global-arg", "some_value"]);
}
#[test]
fn subcommand_can_access_global_arg_if_global_arg_is_first() {
test_arg_vector(vec!["globals", "--global-arg", "some_value", "outer", "run"]);
}
#[test]
fn subcommand_can_access_global_arg_if_global_arg_is_in_the_middle() {
test_arg_vector(vec!["globals", "outer", "--global-arg", "some_value" ,"run"]);
}
}