diff options
Diffstat (limited to 'clap/tests/default_vals.rs')
| -rw-r--r-- | clap/tests/default_vals.rs | 498 |
1 files changed, 498 insertions, 0 deletions
diff --git a/clap/tests/default_vals.rs b/clap/tests/default_vals.rs new file mode 100644 index 0000000..0dfd3c8 --- /dev/null +++ b/clap/tests/default_vals.rs @@ -0,0 +1,498 @@ +extern crate clap; +extern crate regex; + +include!("../clap-test.rs"); + +use clap::{App, Arg, ErrorKind}; + +#[test] +fn opts() { + let r = App::new("df") + .arg( + Arg::from_usage("-o [opt] 'some opt'").default_value("default"), + ) + .get_matches_from_safe(vec![""]); + assert!(r.is_ok()); + let m = r.unwrap(); + assert!(m.is_present("o")); + assert_eq!(m.value_of("o").unwrap(), "default"); +} + +#[test] +fn opt_user_override() { + let r = App::new("df") + .arg( + Arg::from_usage("--opt [FILE] 'some arg'").default_value("default"), + ) + .get_matches_from_safe(vec!["", "--opt", "value"]); + assert!(r.is_ok()); + let m = r.unwrap(); + assert!(m.is_present("opt")); + assert_eq!(m.value_of("opt").unwrap(), "value"); +} + +#[test] +fn positionals() { + let r = App::new("df") + .arg(Arg::from_usage("[arg] 'some opt'").default_value("default")) + .get_matches_from_safe(vec![""]); + assert!(r.is_ok()); + let m = r.unwrap(); + assert!(m.is_present("arg")); + assert_eq!(m.value_of("arg").unwrap(), "default"); +} + +#[test] +fn positional_user_override() { + let r = App::new("df") + .arg(Arg::from_usage("[arg] 'some arg'").default_value("default")) + .get_matches_from_safe(vec!["", "value"]); + assert!(r.is_ok()); + let m = r.unwrap(); + assert!(m.is_present("arg")); + assert_eq!(m.value_of("arg").unwrap(), "value"); +} + +// OsStr Default Values + +#[test] +fn osstr_opts() { + use std::ffi::OsStr; + let expected = OsStr::new("default"); + + let r = App::new("df") + .arg( + Arg::from_usage("-o [opt] 'some opt'").default_value_os(expected), + ) + .get_matches_from_safe(vec![""]); + assert!(r.is_ok()); + let m = r.unwrap(); + assert!(m.is_present("o")); + assert_eq!(m.value_of("o").unwrap(), expected); +} + +#[test] +fn osstr_opt_user_override() { + use std::ffi::OsStr; + let default = OsStr::new("default"); + + let r = App::new("df") + .arg( + Arg::from_usage("--opt [FILE] 'some arg'").default_value_os(default), + ) + .get_matches_from_safe(vec!["", "--opt", "value"]); + assert!(r.is_ok()); + let m = r.unwrap(); + assert!(m.is_present("opt")); + assert_eq!(m.value_of("opt").unwrap(), "value"); +} + +#[test] +fn osstr_positionals() { + use std::ffi::OsStr; + let expected = OsStr::new("default"); + + let r = App::new("df") + .arg( + Arg::from_usage("[arg] 'some opt'").default_value_os(expected), + ) + .get_matches_from_safe(vec![""]); + assert!(r.is_ok()); + let m = r.unwrap(); + assert!(m.is_present("arg")); + assert_eq!(m.value_of("arg").unwrap(), expected); +} + +#[test] +fn osstr_positional_user_override() { + use std::ffi::OsStr; + let default = OsStr::new("default"); + + let r = App::new("df") + .arg( + Arg::from_usage("[arg] 'some arg'").default_value_os(default), + ) + .get_matches_from_safe(vec!["", "value"]); + assert!(r.is_ok()); + let m = r.unwrap(); + assert!(m.is_present("arg")); + assert_eq!(m.value_of("arg").unwrap(), "value"); +} + +// --- Default if arg is present + +#[test] +fn default_if_arg_present_no_default() { + let r = App::new("df") + .arg(Arg::from_usage("--opt [FILE] 'some arg'")) + .arg(Arg::from_usage("[arg] 'some arg'").default_value_if( + "opt", + None, + "default", + )) + .get_matches_from_safe(vec!["", "--opt", "some"]); + assert!(r.is_ok()); + let m = r.unwrap(); + assert!(m.is_present("arg")); + assert_eq!(m.value_of("arg").unwrap(), "default"); +} + +#[test] +fn default_if_arg_present_no_default_user_override() { + let r = App::new("df") + .arg(Arg::from_usage("--opt [FILE] 'some arg'")) + .arg(Arg::from_usage("[arg] 'some arg'").default_value_if( + "opt", + None, + "default", + )) + .get_matches_from_safe(vec!["", "--opt", "some", "other"]); + assert!(r.is_ok()); + let m = r.unwrap(); + assert!(m.is_present("arg")); + assert_eq!(m.value_of("arg").unwrap(), "other"); +} + +#[test] +fn default_if_arg_present_no_arg_with_default() { + let r = App::new("df") + .arg(Arg::from_usage("--opt [FILE] 'some arg'")) + .arg( + Arg::from_usage("[arg] 'some arg'") + .default_value("first") + .default_value_if("opt", None, "default"), + ) + .get_matches_from_safe(vec![""]); + assert!(r.is_ok()); + let m = r.unwrap(); + assert!(m.is_present("arg")); + assert_eq!(m.value_of("arg").unwrap(), "first"); +} + +#[test] +fn default_if_arg_present_with_default() { + let r = App::new("df") + .arg(Arg::from_usage("--opt [FILE] 'some arg'")) + .arg( + Arg::from_usage("[arg] 'some arg'") + .default_value("first") + .default_value_if("opt", None, "default"), + ) + .get_matches_from_safe(vec!["", "--opt", "some"]); + assert!(r.is_ok()); + let m = r.unwrap(); + assert!(m.is_present("arg")); + assert_eq!(m.value_of("arg").unwrap(), "default"); +} + +#[test] +fn default_if_arg_present_with_default_user_override() { + let r = App::new("df") + .arg(Arg::from_usage("--opt [FILE] 'some arg'")) + .arg( + Arg::from_usage("[arg] 'some arg'") + .default_value("first") + .default_value_if("opt", None, "default"), + ) + .get_matches_from_safe(vec!["", "--opt", "some", "other"]); + assert!(r.is_ok()); + let m = r.unwrap(); + assert!(m.is_present("arg")); + assert_eq!(m.value_of("arg").unwrap(), "other"); +} + +#[test] +fn default_if_arg_present_no_arg_with_default_user_override() { + let r = App::new("df") + .arg(Arg::from_usage("--opt [FILE] 'some arg'")) + .arg( + Arg::from_usage("[arg] 'some arg'") + .default_value("first") + .default_value_if("opt", None, "default"), + ) + .get_matches_from_safe(vec!["", "other"]); + assert!(r.is_ok()); + let m = r.unwrap(); + assert!(m.is_present("arg")); + assert_eq!(m.value_of("arg").unwrap(), "other"); +} + +// Conditional Default Values + +#[test] +fn default_if_arg_present_with_value_no_default() { + let r = App::new("df") + .arg(Arg::from_usage("--opt [FILE] 'some arg'")) + .arg(Arg::from_usage("[arg] 'some arg'").default_value_if( + "opt", + Some("value"), + "default", + )) + .get_matches_from_safe(vec!["", "--opt", "value"]); + assert!(r.is_ok()); + let m = r.unwrap(); + assert!(m.is_present("arg")); + assert_eq!(m.value_of("arg").unwrap(), "default"); +} + +#[test] +fn default_if_arg_present_with_value_no_default_fail() { + let r = App::new("df") + .arg(Arg::from_usage("--opt [FILE] 'some arg'")) + .arg(Arg::from_usage("[arg] 'some arg'").default_value_if( + "opt", + Some("value"), + "default", + )) + .get_matches_from_safe(vec!["", "--opt", "other"]); + assert!(r.is_ok()); + let m = r.unwrap(); + assert!(!m.is_present("arg")); + //assert_eq!(m.value_of("arg").unwrap(), "default"); +} + +#[test] +fn default_if_arg_present_with_value_no_default_user_override() { + let r = App::new("df") + .arg(Arg::from_usage("--opt [FILE] 'some arg'")) + .arg(Arg::from_usage("[arg] 'some arg'").default_value_if( + "opt", + Some("some"), + "default", + )) + .get_matches_from_safe(vec!["", "--opt", "some", "other"]); + assert!(r.is_ok()); + let m = r.unwrap(); + assert!(m.is_present("arg")); + assert_eq!(m.value_of("arg").unwrap(), "other"); +} + +#[test] +fn default_if_arg_present_with_value_no_arg_with_default() { + let r = App::new("df") + .arg(Arg::from_usage("--opt [FILE] 'some arg'")) + .arg( + Arg::from_usage("[arg] 'some arg'") + .default_value("first") + .default_value_if("opt", Some("some"), "default"), + ) + .get_matches_from_safe(vec![""]); + assert!(r.is_ok()); + let m = r.unwrap(); + assert!(m.is_present("arg")); + assert_eq!(m.value_of("arg").unwrap(), "first"); +} + +#[test] +fn default_if_arg_present_with_value_no_arg_with_default_fail() { + let r = App::new("df") + .arg(Arg::from_usage("--opt [FILE] 'some arg'")) + .arg( + Arg::from_usage("[arg] 'some arg'") + .default_value("first") + .default_value_if("opt", Some("some"), "default"), + ) + .get_matches_from_safe(vec!["", "--opt", "other"]); + assert!(r.is_ok()); + let m = r.unwrap(); + assert!(m.is_present("arg")); + assert_eq!(m.value_of("arg").unwrap(), "first"); +} + +#[test] +fn default_if_arg_present_with_value_with_default() { + let r = App::new("df") + .arg(Arg::from_usage("--opt [FILE] 'some arg'")) + .arg( + Arg::from_usage("[arg] 'some arg'") + .default_value("first") + .default_value_if("opt", Some("some"), "default"), + ) + .get_matches_from_safe(vec!["", "--opt", "some"]); + assert!(r.is_ok()); + let m = r.unwrap(); + assert!(m.is_present("arg")); + assert_eq!(m.value_of("arg").unwrap(), "default"); +} + +#[test] +fn default_if_arg_present_with_value_with_default_user_override() { + let r = App::new("df") + .arg(Arg::from_usage("--opt [FILE] 'some arg'")) + .arg( + Arg::from_usage("[arg] 'some arg'") + .default_value("first") + .default_value_if("opt", Some("some"), "default"), + ) + .get_matches_from_safe(vec!["", "--opt", "some", "other"]); + assert!(r.is_ok()); + let m = r.unwrap(); + assert!(m.is_present("arg")); + assert_eq!(m.value_of("arg").unwrap(), "other"); +} + +#[test] +fn default_if_arg_present_no_arg_with_value_with_default_user_override() { + let r = App::new("df") + .arg(Arg::from_usage("--opt [FILE] 'some arg'")) + .arg( + Arg::from_usage("[arg] 'some arg'") + .default_value("first") + .default_value_if("opt", Some("some"), "default"), + ) + .get_matches_from_safe(vec!["", "other"]); + assert!(r.is_ok()); + let m = r.unwrap(); + assert!(m.is_present("arg")); + assert_eq!(m.value_of("arg").unwrap(), "other"); +} + +#[test] +fn default_if_arg_present_no_arg_with_value_with_default_user_override_fail() { + let r = App::new("df") + .arg(Arg::from_usage("--opt [FILE] 'some arg'")) + .arg( + Arg::from_usage("[arg] 'some arg'") + .default_value("first") + .default_value_if("opt", Some("some"), "default"), + ) + .get_matches_from_safe(vec!["", "--opt", "value", "other"]); + assert!(r.is_ok()); + let m = r.unwrap(); + assert!(m.is_present("arg")); + assert_eq!(m.value_of("arg").unwrap(), "other"); +} + +// Multiple conditions + +#[test] +fn default_ifs_arg_present() { + let r = App::new("df") + .arg(Arg::from_usage("--opt [FILE] 'some arg'")) + .arg(Arg::from_usage("--flag 'some arg'")) + .arg( + Arg::from_usage("[arg] 'some arg'") + .default_value("first") + .default_value_ifs(&[("opt", Some("some"), "default"), ("flag", None, "flg")]), + ) + .get_matches_from_safe(vec!["", "--flag"]); + assert!(r.is_ok()); + let m = r.unwrap(); + assert!(m.is_present("arg")); + assert_eq!(m.value_of("arg").unwrap(), "flg"); +} + +#[test] +fn default_ifs_arg_present_user_override() { + let r = App::new("df") + .arg(Arg::from_usage("--opt [FILE] 'some arg'")) + .arg(Arg::from_usage("--flag 'some arg'")) + .arg( + Arg::from_usage("[arg] 'some arg'") + .default_value("first") + .default_value_ifs(&[("opt", Some("some"), "default"), ("flag", None, "flg")]), + ) + .get_matches_from_safe(vec!["", "--flag", "value"]); + assert!(r.is_ok()); + let m = r.unwrap(); + assert!(m.is_present("arg")); + assert_eq!(m.value_of("arg").unwrap(), "value"); +} + +#[test] +fn default_ifs_arg_present_order() { + let r = App::new("df") + .arg(Arg::from_usage("--opt [FILE] 'some arg'")) + .arg(Arg::from_usage("--flag 'some arg'")) + .arg( + Arg::from_usage("[arg] 'some arg'") + .default_value("first") + .default_value_ifs(&[("opt", Some("some"), "default"), ("flag", None, "flg")]), + ) + .get_matches_from_safe(vec!["", "--opt=some", "--flag"]); + assert!(r.is_ok()); + let m = r.unwrap(); + assert!(m.is_present("arg")); + assert_eq!(m.value_of("arg").unwrap(), "default"); +} + +#[test] +fn conditional_reqs_fail() { + let m = App::new("Test app") + .version("1.0") + .author("F0x06") + .about("Arg test") + .arg( + Arg::with_name("target") + .takes_value(true) + .default_value("file") + .possible_values(&["file", "stdout"]) + .long("target"), + ) + .arg( + Arg::with_name("input") + .takes_value(true) + .required(true) + .long("input"), + ) + .arg( + Arg::with_name("output") + .takes_value(true) + .required_if("target", "file") + .long("output"), + ) + .get_matches_from_safe(vec!["test", "--input", "some"]); + + assert!(m.is_err()); + assert_eq!(m.unwrap_err().kind, ErrorKind::MissingRequiredArgument); +} + +#[test] +fn conditional_reqs_pass() { + let m = App::new("Test app") + .version("1.0") + .author("F0x06") + .about("Arg test") + .arg( + Arg::with_name("target") + .takes_value(true) + .default_value("file") + .possible_values(&["file", "stdout"]) + .long("target"), + ) + .arg( + Arg::with_name("input") + .takes_value(true) + .required(true) + .long("input"), + ) + .arg( + Arg::with_name("output") + .takes_value(true) + .required_if("target", "file") + .long("output"), + ) + .get_matches_from_safe(vec!["test", "--input", "some", "--output", "other"]); + + assert!(m.is_ok()); + let m = m.unwrap(); + assert_eq!(m.value_of("output"), Some("other")); + assert_eq!(m.value_of("input"), Some("some")); +} + +#[test] +fn issue_1050_num_vals_and_defaults() { + let res = App::new("hello") + .arg( + Arg::with_name("exit-code") + .long("exit-code") + .required(true) + .takes_value(true) + .number_of_values(1) + .default_value("0"), + ) + .get_matches_from_safe(vec!["hello", "--exit-code=1"]); + assert!(res.is_ok()); + let m = res.unwrap(); + assert_eq!(m.value_of("exit-code"), Some("1")); +} |