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-rw-r--r--clap/tests/opts.rs461
1 files changed, 461 insertions, 0 deletions
diff --git a/clap/tests/opts.rs b/clap/tests/opts.rs
new file mode 100644
index 0000000..a9029ac
--- /dev/null
+++ b/clap/tests/opts.rs
@@ -0,0 +1,461 @@
+extern crate clap;
+extern crate regex;
+
+include!("../clap-test.rs");
+
+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
+\tDid you mean --option?
+
+USAGE:
+ clap-test --option <opt>...
+
+For more information try --help";
+
+#[test]
+fn require_equals_fail() {
+ let res = App::new("prog")
+ .arg(Arg::with_name("cfg")
+ .require_equals(true)
+ .takes_value(true)
+ .long("config"))
+ .get_matches_from_safe(vec![
+ "prog", "--config", "file.conf"
+ ]);
+ assert!(res.is_err());
+ assert_eq!(res.unwrap_err().kind, ErrorKind::EmptyValue);
+}
+
+#[test]
+fn require_equals_min_values_zero() {
+ let res = App::new("prog")
+ .arg(Arg::with_name("cfg")
+ .require_equals(true)
+ .takes_value(true)
+ .min_values(0)
+ .long("config"))
+ .arg(Arg::with_name("cmd"))
+ .get_matches_from_safe(vec![
+ "prog", "--config", "cmd"
+ ]);
+ assert!(res.is_ok());
+ let m = res.unwrap();
+ assert!(m.is_present("cfg"));
+ assert_eq!(m.value_of("cmd"), Some("cmd"));
+}
+
+#[test]
+fn double_hyphen_as_value() {
+ let res = App::new("prog")
+ .arg(Arg::with_name("cfg")
+ .takes_value(true)
+ .allow_hyphen_values(true)
+ .long("config"))
+ .get_matches_from_safe(vec![
+ "prog", "--config", "--"
+ ]);
+ assert!(res.is_ok(), "{:?}", res);
+ assert_eq!(res.unwrap().value_of("cfg"), Some("--"));
+}
+
+#[test]
+fn require_equals_no_empty_values_fail() {
+ let res = App::new("prog")
+ .arg(Arg::with_name("cfg")
+ .require_equals(true)
+ .takes_value(true)
+ .long("config"))
+ .arg(Arg::with_name("some"))
+ .get_matches_from_safe(vec![
+ "prog", "--config=", "file.conf"
+ ]);
+ assert!(res.is_err());
+ assert_eq!(res.unwrap_err().kind, ErrorKind::EmptyValue);
+}
+
+#[test]
+fn require_equals_empty_vals_pass() {
+ let res = App::new("prog")
+ .arg(Arg::with_name("cfg")
+ .require_equals(true)
+ .takes_value(true)
+ .empty_values(true)
+ .long("config"))
+ .get_matches_from_safe(vec![
+ "prog", "--config="
+ ]);
+ assert!(res.is_ok());
+}
+
+#[test]
+fn require_equals_pass() {
+ let res = App::new("prog")
+ .arg(Arg::with_name("cfg")
+ .require_equals(true)
+ .takes_value(true)
+ .long("config"))
+ .get_matches_from_safe(vec![
+ "prog", "--config=file.conf"
+ ]);
+ assert!(res.is_ok());
+}
+
+#[test]
+fn stdin_char() {
+ let r = App::new("opts")
+ .arg(Arg::from_usage("-f [flag] 'some flag'"))
+ .get_matches_from_safe(vec!["", "-f", "-"]);
+ assert!(r.is_ok());
+ let m = r.unwrap();
+ assert!(m.is_present("f"));
+ assert_eq!(m.value_of("f").unwrap(), "-");
+}
+
+#[test]
+fn opts_using_short() {
+ let r = App::new("opts")
+ .args(&[Arg::from_usage("-f [flag] 'some flag'"),
+ Arg::from_usage("-c [color] 'some other flag'")])
+ .get_matches_from_safe(vec!["", "-f", "some", "-c", "other"]);
+ assert!(r.is_ok());
+ let m = r.unwrap();
+ assert!(m.is_present("f"));
+ assert_eq!(m.value_of("f").unwrap(), "some");
+ assert!(m.is_present("c"));
+ assert_eq!(m.value_of("c").unwrap(), "other");
+}
+
+#[test]
+fn lots_o_vals() {
+ let r = App::new("opts")
+ .arg(Arg::from_usage("-o [opt]... 'some opt'"))
+ .get_matches_from_safe(vec!["", "-o", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some", "some", "some", "some",
+ "some", "some", "some", "some"]);
+ assert!(r.is_ok());
+ let m = r.unwrap();
+ assert!(m.is_present("o"));
+ assert_eq!(m.values_of("o").unwrap().collect::<Vec<_>>().len(), 297); // i.e. more than u8
+}
+
+#[test]
+fn opts_using_long_space() {
+ let r = App::new("opts")
+ .args(&[Arg::from_usage("--flag [flag] 'some flag'"),
+ Arg::from_usage("--color [color] 'some other flag'")])
+ .get_matches_from_safe(vec!["", "--flag", "some", "--color", "other"]);
+ assert!(r.is_ok());
+ let m = r.unwrap();
+ assert!(m.is_present("flag"));
+ assert_eq!(m.value_of("flag").unwrap(), "some");
+ assert!(m.is_present("color"));
+ assert_eq!(m.value_of("color").unwrap(), "other");
+}
+
+#[test]
+fn opts_using_long_equals() {
+ let r = App::new("opts")
+ .args(&[Arg::from_usage("--flag [flag] 'some flag'"),
+ Arg::from_usage("--color [color] 'some other flag'")])
+ .get_matches_from_safe(vec!["", "--flag=some", "--color=other"]);
+ assert!(r.is_ok());
+ let m = r.unwrap();
+ assert!(m.is_present("flag"));
+ assert_eq!(m.value_of("flag").unwrap(), "some");
+ assert!(m.is_present("color"));
+ assert_eq!(m.value_of("color").unwrap(), "other");
+}
+
+#[test]
+fn opts_using_mixed() {
+ let r = App::new("opts")
+ .args(&[Arg::from_usage("-f, --flag [flag] 'some flag'"),
+ Arg::from_usage("-c, --color [color] 'some other flag'")])
+ .get_matches_from_safe(vec!["", "-f", "some", "--color", "other"]);
+ assert!(r.is_ok());
+ let m = r.unwrap();
+ assert!(m.is_present("flag"));
+ assert_eq!(m.value_of("flag").unwrap(), "some");
+ assert!(m.is_present("color"));
+ assert_eq!(m.value_of("color").unwrap(), "other");
+}
+
+#[test]
+fn opts_using_mixed2() {
+ let r = App::new("opts")
+ .args(&[Arg::from_usage("-f, --flag [flag] 'some flag'"),
+ Arg::from_usage("-c, --color [color] 'some other flag'")])
+ .get_matches_from_safe(vec!["", "--flag=some", "-c", "other"]);
+ assert!(r.is_ok());
+ let m = r.unwrap();
+ assert!(m.is_present("flag"));
+ assert_eq!(m.value_of("flag").unwrap(), "some");
+ assert!(m.is_present("color"));
+ assert_eq!(m.value_of("color").unwrap(), "other");
+}
+
+#[test]
+fn default_values_user_value() {
+ let r = App::new("df")
+ .arg(Arg::from_usage("-o [opt] 'some opt'").default_value("default"))
+ .get_matches_from_safe(vec!["", "-o", "value"]);
+ assert!(r.is_ok());
+ let m = r.unwrap();
+ assert!(m.is_present("o"));
+ assert_eq!(m.value_of("o").unwrap(), "value");
+}
+
+#[test]
+fn multiple_vals_pos_arg_equals() {
+ let r = App::new("mvae")
+ .arg(Arg::from_usage("-o [opt]... 'some opt'"))
+ .arg(Arg::from_usage("[file] 'some file'"))
+ .get_matches_from_safe(vec!["", "-o=1", "some"]);
+ assert!(r.is_ok());
+ let m = r.unwrap();
+ assert!(m.is_present("o"));
+ assert_eq!(m.value_of("o").unwrap(), "1");
+ assert!(m.is_present("file"));
+ assert_eq!(m.value_of("file").unwrap(), "some");
+}
+
+#[test]
+fn multiple_vals_pos_arg_delim() {
+ let r = App::new("mvae")
+ .arg(Arg::from_usage("-o [opt]... 'some opt'"))
+ .arg(Arg::from_usage("[file] 'some file'"))
+ .get_matches_from_safe(vec!["", "-o", "1,2", "some"]);
+ assert!(r.is_ok());
+ let m = r.unwrap();
+ assert!(m.is_present("o"));
+ assert_eq!(m.values_of("o").unwrap().collect::<Vec<_>>(), &["1", "2"]);
+ assert!(m.is_present("file"));
+ assert_eq!(m.value_of("file").unwrap(), "some");
+}
+
+#[test]
+fn require_delims_no_delim() {
+ let r = App::new("mvae")
+ .arg(Arg::from_usage("-o [opt]... 'some opt'").require_delimiter(true))
+ .arg(Arg::from_usage("[file] 'some file'"))
+ .get_matches_from_safe(vec!["mvae", "-o", "1", "2", "some"]);
+ assert!(r.is_err());
+ let err = r.unwrap_err();
+ assert_eq!(err.kind, ErrorKind::UnknownArgument);
+}
+
+#[test]
+fn require_delims() {
+ let r = App::new("mvae")
+ .arg(Arg::from_usage("-o [opt]... 'some opt'").require_delimiter(true))
+ .arg(Arg::from_usage("[file] 'some file'"))
+ .get_matches_from_safe(vec!["", "-o", "1,2", "some"]);
+ assert!(r.is_ok());
+ let m = r.unwrap();
+ assert!(m.is_present("o"));
+ assert_eq!(m.values_of("o").unwrap().collect::<Vec<_>>(), &["1", "2"]);
+ assert!(m.is_present("file"));
+ assert_eq!(m.value_of("file").unwrap(), "some");
+}
+
+#[test]
+fn leading_hyphen_pass() {
+ let r = App::new("mvae")
+ .arg(Arg::from_usage("-o [opt]... 'some opt'").allow_hyphen_values(true))
+ .get_matches_from_safe(vec!["", "-o", "-2", "3"]);
+ assert!(r.is_ok());
+ let m = r.unwrap();
+ assert!(m.is_present("o"));
+ assert_eq!(m.values_of("o").unwrap().collect::<Vec<_>>(), &["-2", "3"]);
+}
+
+#[test]
+fn leading_hyphen_fail() {
+ let r = App::new("mvae")
+ .arg(Arg::from_usage("-o [opt] 'some opt'"))
+ .get_matches_from_safe(vec!["", "-o", "-2"]);
+ assert!(r.is_err());
+ let m = r.unwrap_err();
+ assert_eq!(m.kind, ErrorKind::UnknownArgument);
+}
+
+#[test]
+fn leading_hyphen_with_flag_after() {
+ let r = App::new("mvae")
+ .arg(Arg::from_usage("-o [opt]... 'some opt'").allow_hyphen_values(true))
+ .arg_from_usage("-f 'some flag'")
+ .get_matches_from_safe(vec!["", "-o", "-2", "-f"]);
+ assert!(r.is_ok());
+ let m = r.unwrap();
+ assert!(m.is_present("o"));
+ assert_eq!(m.values_of("o").unwrap().collect::<Vec<_>>(), &["-2", "-f"]);
+ assert!(!m.is_present("f"));
+}
+
+#[test]
+fn leading_hyphen_with_flag_before() {
+ let r = App::new("mvae")
+ .arg(Arg::from_usage("-o [opt]... 'some opt'").allow_hyphen_values(true))
+ .arg_from_usage("-f 'some flag'")
+ .get_matches_from_safe(vec!["", "-f", "-o", "-2"]);
+ assert!(r.is_ok());
+ let m = r.unwrap();
+ assert!(m.is_present("o"));
+ assert_eq!(m.values_of("o").unwrap().collect::<Vec<_>>(), &["-2"]);
+ assert!(m.is_present("f"));
+}
+
+#[test]
+fn leading_hyphen_with_only_pos_follows() {
+ let r = App::new("mvae")
+ .arg(Arg::from_usage("-o [opt]... 'some opt'").number_of_values(1).allow_hyphen_values(true))
+ .arg_from_usage("[arg] 'some arg'")
+ .get_matches_from_safe(vec!["", "-o", "-2", "--", "val"]);
+ assert!(r.is_ok(), "{:?}", r);
+ let m = r.unwrap();
+ assert!(m.is_present("o"));
+ assert_eq!(m.values_of("o").unwrap().collect::<Vec<_>>(), &["-2"]);
+ assert_eq!(m.value_of("arg"), Some("val"));
+}
+
+#[test]
+#[cfg(feature="suggestions")]
+fn did_you_mean() {
+ assert!(test::compare_output(test::complex_app(),
+ "clap-test --optio=foo",
+ DYM,
+ true));
+}
+
+#[test]
+fn issue_665() {
+ let res = App::new("tester")
+ .arg_from_usage("-v, --reroll-count=[N] 'Mark the patch series as PATCH vN'")
+ .arg(Arg::from_usage(
+"--subject-prefix [Subject-Prefix] 'Use [Subject-Prefix] instead of the standard [PATCH] prefix'")
+ .empty_values(false))
+ .get_matches_from_safe(vec!["test", "--subject-prefix", "-v", "2"]);
+
+ assert!(res.is_err());
+ assert_eq!(res.unwrap_err().kind, ErrorKind::EmptyValue);
+}
+
+#[test]
+fn issue_1047_min_zero_vals_default_val() {
+ let m = App::new("foo")
+ .arg(
+ Arg::with_name("del")
+ .short("d")
+ .long("del")
+ .takes_value(true)
+ .require_equals(true)
+ .min_values(0)
+ .default_value("default"),
+ )
+ .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(""));
+}
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