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tests: adds tests to guard aginst issue 1105 and empty values in options

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This commit is contained in:
Kevin K 2017-11-13 17:05:28 -05:00
parent 2fb758219c
commit 17a4d8a860
1 changed files with 63 additions and 14 deletions
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77
tests/opts.rs
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@ -3,7 +3,7 @@ extern crate regex;
include!("../clap-test.rs");
use clap::{App, Arg, ErrorKind};
use clap::{App, ArgMatches, Arg, ErrorKind};
#[cfg(feature = "suggestions")]
static DYM: &'static str = "error: Found argument '--optio' which wasn't expected, or isn't valid in this context
@ -194,18 +194,6 @@ fn opts_using_long_space() {
assert_eq!(m.value_of("color").unwrap(), "other");
}
#[test]
fn opts_with_empty_values() {
let r = App::new("opts")
.arg_from_usage("--flag [flag]... 'some flag'")
.get_matches_from_safe(vec!["", "--flag", "", "test"]);
assert!(r.is_ok());
let m = r.unwrap();
assert!(m.is_present("flag"));
assert_eq!(m.values_of("flag").unwrap().collect::<Vec<_>>(),
["", "test"]);
}
#[test]
fn opts_using_long_equals() {
let r = App::new("opts")
@ -409,4 +397,65 @@ fn issue_1047_min_zero_vals_default_val() {
.get_matches_from(vec!["foo", "-d"]);
assert_eq!(m.occurrences_of("del"), 1);
assert_eq!(m.value_of("del"), Some("default"));
}
}
fn issue_1105_setup(argv: Vec<&'static str>) -> Result<ArgMatches<'static>, clap::Error> {
App::new("opts")
.arg_from_usage("-o, --option [opt] 'some option'")
.arg_from_usage("--flag 'some flag'")
.get_matches_from_safe(argv)
}
#[test]
fn issue_1105_empty_value_long_fail() {
let r = issue_1105_setup(vec!["app", "--option", "--flag"]);
assert!(r.is_err());
assert_eq!(r.unwrap_err().kind, ErrorKind::EmptyValue);
}
#[test]
fn issue_1105_empty_value_long_explicit() {
let r = issue_1105_setup(vec!["app", "--option", ""]);
assert!(r.is_ok());
let m = r.unwrap();
assert_eq!(m.value_of("option"), Some(""));
}
#[test]
fn issue_1105_empty_value_long_equals() {
let r = issue_1105_setup(vec!["app", "--option="]);
assert!(r.is_ok());
let m = r.unwrap();
assert_eq!(m.value_of("option"), Some(""));
}
#[test]
fn issue_1105_empty_value_short_fail() {
let r = issue_1105_setup(vec!["app", "-o", "--flag"]);
assert!(r.is_err());
assert_eq!(r.unwrap_err().kind, ErrorKind::EmptyValue);
}
#[test]
fn issue_1105_empty_value_short_explicit() {
let r = issue_1105_setup(vec!["app", "-o", ""]);
assert!(r.is_ok());
let m = r.unwrap();
assert_eq!(m.value_of("option"), Some(""));
}
#[test]
fn issue_1105_empty_value_short_equals() {
let r = issue_1105_setup(vec!["app", "-o="]);
assert!(r.is_ok());
let m = r.unwrap();
assert_eq!(m.value_of("option"), Some(""));
}
#[test]
fn issue_1105_empty_value_short_explicit_no_space() {
let r = issue_1105_setup(vec!["app", "-o", ""]);
assert!(r.is_ok());
let m = r.unwrap();
assert_eq!(m.value_of("option"), Some(""));
}