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tests: some new tests for positionals

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This commit is contained in:
Alexander Kuvaev 2015-09-17 22:20:56 +03:00
parent f9efb54c1d
commit eb65a07a91
1 changed files with 84 additions and 0 deletions
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tests/positionals.rs Normal file
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extern crate clap;
use clap::{App, Arg, ClapErrorType};
#[test]
fn positional() {
let m = App::new("positional")
.args(vec![
Arg::from_usage("-f, --flag 'some flag'"),
Arg::with_name("positional")
.index(1)
])
.get_matches_from(vec!["", "-f", "test"]);
assert!(m.is_present("positional"));
assert!(m.is_present("flag"));
assert_eq!(m.value_of("positional").unwrap(), "test");
let m = App::new("positional")
.args(vec![
Arg::from_usage("-f, --flag 'some flag'"),
Arg::with_name("positional")
.index(1)
])
.get_matches_from(vec!["", "test", "--flag"]);
assert!(m.is_present("positional"));
assert!(m.is_present("flag"));
assert_eq!(m.value_of("positional").unwrap(), "test");
}
#[test]
fn positional_multiple() {
let m = App::new("positional_multiple")
.args(vec![
Arg::from_usage("-f, --flag 'some flag'"),
Arg::with_name("positional")
.index(1)
.multiple(true)
])
.get_matches_from(vec!["", "-f", "test1", "test2", "test3"]);
assert!(m.is_present("positional"));
assert!(m.is_present("flag"));
assert_eq!(m.values_of("positional").unwrap(), vec!["test1", "test2", "test3"]);
let m = App::new("positional_multiple")
.args(vec![
Arg::from_usage("-f, --flag 'some flag'"),
Arg::with_name("positional")
.index(1)
.multiple(true)
])
.get_matches_from(vec!["", "test1", "test2", "test3", "--flag"]);
assert!(m.is_present("positional"));
assert!(m.is_present("flag"));
assert_eq!(m.values_of("positional").unwrap(), vec!["test1", "test2", "test3"]);
}
#[test]
fn positional_multiple_2() {
let result = App::new("positional_multiple")
.args(vec![
Arg::from_usage("-f, --flag 'some flag'"),
Arg::with_name("positional")
.index(1)
])
.get_matches_from_safe(vec!["", "-f", "test1", "test2", "test3"]);
assert!(result.is_err());
let err = result.err().unwrap();
assert_eq!(err.error_type, ClapErrorType::UnexpectedArgument);
}
#[test]
fn positional_possible_values() {
let m = App::new("positional_possible_values")
.args(vec![
Arg::from_usage("-f, --flag 'some flag'"),
Arg::with_name("positional")
.index(1)
.possible_value("test123")
])
.get_matches_from(vec!["", "-f", "test123"]);
assert!(m.is_present("positional"));
assert!(m.is_present("flag"));
assert_eq!(m.values_of("positional").unwrap(), vec!["test123"]);
}