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clap/tests/require.rs
2018-01-25 12:21:17 -05:00

664 lines
20 KiB
Rust

extern crate clap;
extern crate regex;
include!("../clap-test.rs");
use clap::{App, Arg, ArgGroup, ErrorKind};
static REQUIRE_EQUALS: &'static str = "error: The following required arguments were not provided:
--opt=<FILE>
USAGE:
clap-test --opt=<FILE>
For more information try --help";
static MISSING_REQ: &'static str = "error: The following required arguments were not provided:
<positional2>
--long-option-2 <option2>
USAGE:
clap-test <positional2> -F --long-option-2 <option2>
For more information try --help";
static COND_REQ_IN_USAGE: &'static str =
"error: The following required arguments were not provided:
--output <output>
USAGE:
test --input <input> --output <output> --target <target>
For more information try --help";
#[test]
fn flag_required() {
let result = App::new("flag_required")
.arg(Arg::from_usage("-f, --flag 'some flag'").requires("color"))
.arg(Arg::from_usage("-c, --color 'third flag'"))
.get_matches_from_safe(vec!["", "-f"]);
assert!(result.is_err());
let err = result.err().unwrap();
assert_eq!(err.kind, ErrorKind::MissingRequiredArgument);
}
#[test]
fn flag_required_2() {
let m = App::new("flag_required")
.arg(Arg::from_usage("-f, --flag 'some flag'").requires("color"))
.arg(Arg::from_usage("-c, --color 'third flag'"))
.get_matches_from(vec!["", "-f", "-c"]);
assert!(m.is_present("color"));
assert!(m.is_present("flag"));
}
#[test]
fn option_required() {
let result = App::new("option_required")
.arg(Arg::from_usage("-f [flag] 'some flag'").requires("c"))
.arg(Arg::from_usage("-c [color] 'third flag'"))
.get_matches_from_safe(vec!["", "-f", "val"]);
assert!(result.is_err());
let err = result.err().unwrap();
assert_eq!(err.kind, ErrorKind::MissingRequiredArgument);
}
#[test]
fn option_required_2() {
let m = App::new("option_required")
.arg(Arg::from_usage("-f [flag] 'some flag'").requires("c"))
.arg(Arg::from_usage("-c [color] 'third flag'"))
.get_matches_from(vec!["", "-f", "val", "-c", "other_val"]);
assert!(m.is_present("c"));
assert_eq!(m.value_of("c").unwrap(), "other_val");
assert!(m.is_present("f"));
assert_eq!(m.value_of("f").unwrap(), "val");
}
#[test]
fn positional_required() {
let result = App::new("positional_required")
.arg(Arg::with_name("flag").index(1).required(true))
.get_matches_from_safe(vec![""]);
assert!(result.is_err());
let err = result.err().unwrap();
assert_eq!(err.kind, ErrorKind::MissingRequiredArgument);
}
#[test]
fn positional_required_2() {
let m = App::new("positional_required")
.arg(Arg::with_name("flag").index(1).required(true))
.get_matches_from(vec!["", "someval"]);
assert!(m.is_present("flag"));
assert_eq!(m.value_of("flag").unwrap(), "someval");
}
#[test]
fn group_required() {
let result = App::new("group_required")
.arg(Arg::from_usage("-f, --flag 'some flag'"))
.group(
ArgGroup::with_name("gr")
.required(true)
.arg("some")
.arg("other"),
)
.arg(Arg::from_usage("--some 'some arg'"))
.arg(Arg::from_usage("--other 'other arg'"))
.get_matches_from_safe(vec!["", "-f"]);
assert!(result.is_err());
let err = result.err().unwrap();
assert_eq!(err.kind, ErrorKind::MissingRequiredArgument);
}
#[test]
fn group_required_2() {
let m = App::new("group_required")
.arg(Arg::from_usage("-f, --flag 'some flag'"))
.group(
ArgGroup::with_name("gr")
.required(true)
.arg("some")
.arg("other"),
)
.arg(Arg::from_usage("--some 'some arg'"))
.arg(Arg::from_usage("--other 'other arg'"))
.get_matches_from(vec!["", "-f", "--some"]);
assert!(m.is_present("some"));
assert!(!m.is_present("other"));
assert!(m.is_present("flag"));
}
#[test]
fn group_required_3() {
let m = App::new("group_required")
.arg(Arg::from_usage("-f, --flag 'some flag'"))
.group(
ArgGroup::with_name("gr")
.required(true)
.arg("some")
.arg("other"),
)
.arg(Arg::from_usage("--some 'some arg'"))
.arg(Arg::from_usage("--other 'other arg'"))
.get_matches_from(vec!["", "-f", "--other"]);
assert!(!m.is_present("some"));
assert!(m.is_present("other"));
assert!(m.is_present("flag"));
}
#[test]
fn arg_require_group() {
let result = App::new("arg_require_group")
.arg(Arg::from_usage("-f, --flag 'some flag'").requires("gr"))
.group(ArgGroup::with_name("gr").arg("some").arg("other"))
.arg(Arg::from_usage("--some 'some arg'"))
.arg(Arg::from_usage("--other 'other arg'"))
.get_matches_from_safe(vec!["", "-f"]);
assert!(result.is_err());
let err = result.err().unwrap();
assert_eq!(err.kind, ErrorKind::MissingRequiredArgument);
}
#[test]
fn arg_require_group_2() {
let m = App::new("arg_require_group")
.arg(Arg::from_usage("-f, --flag 'some flag'").requires("gr"))
.group(ArgGroup::with_name("gr").arg("some").arg("other"))
.arg(Arg::from_usage("--some 'some arg'"))
.arg(Arg::from_usage("--other 'other arg'"))
.get_matches_from(vec!["", "-f", "--some"]);
assert!(m.is_present("some"));
assert!(!m.is_present("other"));
assert!(m.is_present("flag"));
}
#[test]
fn arg_require_group_3() {
let m = App::new("arg_require_group")
.arg(Arg::from_usage("-f, --flag 'some flag'").requires("gr"))
.group(ArgGroup::with_name("gr").arg("some").arg("other"))
.arg(Arg::from_usage("--some 'some arg'"))
.arg(Arg::from_usage("--other 'other arg'"))
.get_matches_from(vec!["", "-f", "--other"]);
assert!(!m.is_present("some"));
assert!(m.is_present("other"));
assert!(m.is_present("flag"));
}
// REQUIRED_UNLESS
#[test]
fn issue_753() {
let m = App::new("test")
.arg(Arg::from_usage(
"-l, --list 'List available interfaces (and stop there)'",
))
.arg(
Arg::from_usage(
"-i, --iface=[INTERFACE] 'Ethernet interface for fetching NTP packets'",
).required_unless("list"),
)
.arg(
Arg::from_usage("-f, --file=[TESTFILE] 'Fetch NTP packets from pcap file'")
.conflicts_with("iface")
.required_unless("list"),
)
.arg(
Arg::from_usage("-s, --server=[SERVER_IP] 'NTP server IP address'")
.required_unless("list"),
)
.arg(Arg::from_usage("-p, --port=[SERVER_PORT] 'NTP server port'").default_value("123"))
.get_matches_from_safe(vec!["test", "--list"]);
assert!(m.is_ok());
}
#[test]
fn required_unless() {
let res = App::new("unlesstest")
.arg(
Arg::with_name("cfg")
.required_unless("dbg")
.takes_value(true)
.long("config"),
)
.arg(Arg::with_name("dbg").long("debug"))
.get_matches_from_safe(vec!["unlesstest", "--debug"]);
assert!(res.is_ok());
let m = res.unwrap();
assert!(m.is_present("dbg"));
assert!(!m.is_present("cfg"));
}
#[test]
fn required_unless_err() {
let res = App::new("unlesstest")
.arg(
Arg::with_name("cfg")
.required_unless("dbg")
.takes_value(true)
.long("config"),
)
.arg(Arg::with_name("dbg").long("debug"))
.get_matches_from_safe(vec!["unlesstest"]);
assert!(res.is_err());
assert_eq!(res.unwrap_err().kind, ErrorKind::MissingRequiredArgument);
}
// REQUIRED_UNLESS_ALL
#[test]
fn required_unless_all() {
let res = App::new("unlessall")
.arg(
Arg::with_name("cfg")
.required_unless_all(&["dbg", "infile"])
.takes_value(true)
.long("config"),
)
.arg(Arg::with_name("dbg").long("debug"))
.arg(Arg::with_name("infile").short("i").takes_value(true))
.get_matches_from_safe(vec!["unlessall", "--debug", "-i", "file"]);
assert!(res.is_ok());
let m = res.unwrap();
assert!(m.is_present("dbg"));
assert!(m.is_present("infile"));
assert!(!m.is_present("cfg"));
}
#[test]
fn required_unless_all_err() {
let res = App::new("unlessall")
.arg(
Arg::with_name("cfg")
.required_unless_all(&["dbg", "infile"])
.takes_value(true)
.long("config"),
)
.arg(Arg::with_name("dbg").long("debug"))
.arg(Arg::with_name("infile").short("i").takes_value(true))
.get_matches_from_safe(vec!["unlessall", "--debug"]);
assert!(res.is_err());
assert_eq!(res.unwrap_err().kind, ErrorKind::MissingRequiredArgument);
}
// REQUIRED_UNLESS_ONE
#[test]
fn required_unless_one() {
let res = App::new("unlessone")
.arg(
Arg::with_name("cfg")
.required_unless_one(&["dbg", "infile"])
.takes_value(true)
.long("config"),
)
.arg(Arg::with_name("dbg").long("debug"))
.arg(Arg::with_name("infile").short("i").takes_value(true))
.get_matches_from_safe(vec!["unlessone", "--debug"]);
assert!(res.is_ok());
let m = res.unwrap();
assert!(m.is_present("dbg"));
assert!(!m.is_present("cfg"));
}
#[test]
fn required_unless_one_2() {
// This tests that the required_unless_one works when the second arg in the array is used
// instead of the first.
let res = App::new("unlessone")
.arg(
Arg::with_name("cfg")
.required_unless_one(&["dbg", "infile"])
.takes_value(true)
.long("config"),
)
.arg(Arg::with_name("dbg").long("debug"))
.arg(Arg::with_name("infile").short("i").takes_value(true))
.get_matches_from_safe(vec!["unlessone", "-i", "file"]);
assert!(res.is_ok());
let m = res.unwrap();
assert!(m.is_present("infile"));
assert!(!m.is_present("cfg"));
}
#[test]
fn required_unless_one_works_with_short() {
// GitHub issue: https://github.com/kbknapp/clap-rs/issues/1135
let res = App::new("unlessone")
.arg(Arg::with_name("a").conflicts_with("b").short("a"))
.arg(Arg::with_name("b").short("b"))
.arg(
Arg::with_name("x")
.short("x")
.required_unless_one(&["a", "b"]),
)
.get_matches_from_safe(vec!["unlessone", "-a"]);
assert!(res.is_ok());
}
#[test]
fn required_unless_one_works_with_short_err() {
let res = App::new("unlessone")
.arg(Arg::with_name("a").conflicts_with("b").short("a"))
.arg(Arg::with_name("b").short("b"))
.arg(
Arg::with_name("x")
.short("x")
.required_unless_one(&["a", "b"]),
)
.get_matches_from_safe(vec!["unlessone"]);
assert!(!res.is_ok());
}
#[test]
fn required_unless_one_works_without() {
let res = App::new("unlessone")
.arg(Arg::with_name("a").conflicts_with("b").short("a"))
.arg(Arg::with_name("b").short("b"))
.arg(Arg::with_name("x").required_unless_one(&["a", "b"]))
.get_matches_from_safe(vec!["unlessone", "-a"]);
assert!(res.is_ok());
}
#[test]
fn required_unless_one_works_with_long() {
let res = App::new("unlessone")
.arg(Arg::with_name("a").conflicts_with("b").short("a"))
.arg(Arg::with_name("b").short("b"))
.arg(
Arg::with_name("x")
.long("x_is_the_option")
.required_unless_one(&["a", "b"]),
)
.get_matches_from_safe(vec!["unlessone", "-a"]);
assert!(res.is_ok());
}
#[test]
fn required_unless_one_1() {
let res = App::new("unlessone")
.arg(
Arg::with_name("cfg")
.required_unless_one(&["dbg", "infile"])
.takes_value(true)
.long("config"),
)
.arg(Arg::with_name("dbg").long("debug"))
.arg(Arg::with_name("infile").short("i").takes_value(true))
.get_matches_from_safe(vec!["unlessone", "--debug"]);
assert!(res.is_ok());
let m = res.unwrap();
assert!(!m.is_present("infile"));
assert!(!m.is_present("cfg"));
assert!(m.is_present("dbg"));
}
#[test]
fn required_unless_one_err() {
let res = App::new("unlessone")
.arg(
Arg::with_name("cfg")
.required_unless_one(&["dbg", "infile"])
.takes_value(true)
.long("config"),
)
.arg(Arg::with_name("dbg").long("debug"))
.arg(Arg::with_name("infile").short("i").takes_value(true))
.get_matches_from_safe(vec!["unlessone"]);
assert!(res.is_err());
assert_eq!(res.unwrap_err().kind, ErrorKind::MissingRequiredArgument);
}
#[test]
fn missing_required_output() {
assert!(test::compare_output(
test::complex_app(),
"clap-test -F",
MISSING_REQ,
true
));
}
// Conditional external requirements
#[test]
fn requires_if_present_val() {
let res = App::new("unlessone")
.arg(
Arg::with_name("cfg")
.requires_if("my.cfg", "extra")
.takes_value(true)
.long("config"),
)
.arg(Arg::with_name("extra").long("extra"))
.get_matches_from_safe(vec!["unlessone", "--config=my.cfg"]);
assert!(res.is_err());
assert_eq!(res.unwrap_err().kind, ErrorKind::MissingRequiredArgument);
}
#[test]
fn requires_if_present_mult() {
let res = App::new("unlessone")
.arg(
Arg::with_name("cfg")
.requires_ifs(&[("my.cfg", "extra"), ("other.cfg", "other")])
.takes_value(true)
.long("config"),
)
.arg(Arg::with_name("extra").long("extra"))
.arg(Arg::with_name("other").long("other"))
.get_matches_from_safe(vec!["unlessone", "--config=other.cfg"]);
assert!(res.is_err());
assert_eq!(res.unwrap_err().kind, ErrorKind::MissingRequiredArgument);
}
#[test]
fn requires_if_present_mult_pass() {
let res = App::new("unlessone")
.arg(
Arg::with_name("cfg")
.requires_ifs(&[("my.cfg", "extra"), ("other.cfg", "other")])
.takes_value(true)
.long("config"),
)
.arg(Arg::with_name("extra").long("extra"))
.arg(Arg::with_name("other").long("other"))
.get_matches_from_safe(vec!["unlessone", "--config=some.cfg"]);
assert!(res.is_ok());
// assert_eq!(res.unwrap_err().kind, ErrorKind::MissingRequiredArgument);
}
#[test]
fn requires_if_present_val_no_present_pass() {
let res = App::new("unlessone")
.arg(
Arg::with_name("cfg")
.requires_if("my.cfg", "extra")
.takes_value(true)
.long("config"),
)
.arg(Arg::with_name("extra").long("extra"))
.get_matches_from_safe(vec!["unlessone"]);
assert!(res.is_ok());
}
// Conditionally required
#[test]
fn required_if_val_present_pass() {
let res = App::new("ri")
.arg(
Arg::with_name("cfg")
.required_if("extra", "val")
.takes_value(true)
.long("config"),
)
.arg(Arg::with_name("extra").takes_value(true).long("extra"))
.get_matches_from_safe(vec!["ri", "--extra", "val", "--config", "my.cfg"]);
assert!(res.is_ok());
}
#[test]
fn required_if_val_present_fail() {
let res = App::new("ri")
.arg(
Arg::with_name("cfg")
.required_if("extra", "val")
.takes_value(true)
.long("config"),
)
.arg(Arg::with_name("extra").takes_value(true).long("extra"))
.get_matches_from_safe(vec!["ri", "--extra", "val"]);
assert!(res.is_err());
assert_eq!(res.unwrap_err().kind, ErrorKind::MissingRequiredArgument);
}
#[test]
fn required_if_val_present_fail_error_output() {
let app = App::new("Test app")
.version("1.0")
.author("F0x06")
.about("Arg test")
.arg(
Arg::with_name("target")
.takes_value(true)
.required(true)
.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"),
);
assert!(test::compare_output(
app,
"test --input somepath --target file",
COND_REQ_IN_USAGE,
true
));
}
#[test]
fn required_if_wrong_val() {
let res = App::new("ri")
.arg(
Arg::with_name("cfg")
.required_if("extra", "val")
.takes_value(true)
.long("config"),
)
.arg(Arg::with_name("extra").takes_value(true).long("extra"))
.get_matches_from_safe(vec!["ri", "--extra", "other"]);
assert!(res.is_ok());
}
#[test]
fn required_ifs_val_present_pass() {
let res = App::new("ri")
.arg(
Arg::with_name("cfg")
.required_ifs(&[("extra", "val"), ("option", "spec")])
.takes_value(true)
.long("config"),
)
.arg(Arg::with_name("option").takes_value(true).long("option"))
.arg(Arg::with_name("extra").takes_value(true).long("extra"))
.get_matches_from_safe(vec!["ri", "--option", "spec", "--config", "my.cfg"]);
assert!(res.is_ok());
// assert_eq!(res.unwrap_err().kind, ErrorKind::MissingRequiredArgument);
}
#[test]
fn required_ifs_val_present_fail() {
let res = App::new("ri")
.arg(
Arg::with_name("cfg")
.required_ifs(&[("extra", "val"), ("option", "spec")])
.takes_value(true)
.long("config"),
)
.arg(Arg::with_name("extra").takes_value(true).long("extra"))
.arg(Arg::with_name("option").takes_value(true).long("option"))
.get_matches_from_safe(vec!["ri", "--option", "spec"]);
assert!(res.is_err());
assert_eq!(res.unwrap_err().kind, ErrorKind::MissingRequiredArgument);
}
#[test]
fn required_ifs_wrong_val() {
let res = App::new("ri")
.arg(
Arg::with_name("cfg")
.required_ifs(&[("extra", "val"), ("option", "spec")])
.takes_value(true)
.long("config"),
)
.arg(Arg::with_name("extra").takes_value(true).long("extra"))
.arg(Arg::with_name("option").takes_value(true).long("option"))
.get_matches_from_safe(vec!["ri", "--option", "other"]);
assert!(res.is_ok());
}
#[test]
fn required_ifs_wrong_val_mult_fail() {
let res = App::new("ri")
.arg(
Arg::with_name("cfg")
.required_ifs(&[("extra", "val"), ("option", "spec")])
.takes_value(true)
.long("config"),
)
.arg(Arg::with_name("extra").takes_value(true).long("extra"))
.arg(Arg::with_name("option").takes_value(true).long("option"))
.get_matches_from_safe(vec!["ri", "--extra", "other", "--option", "spec"]);
assert!(res.is_err());
assert_eq!(res.unwrap_err().kind, ErrorKind::MissingRequiredArgument);
}
#[test]
fn require_eq() {
let app = App::new("clap-test").version("v1.4.8").arg(
Arg::with_name("opt")
.long("opt")
.short("o")
.required(true)
.require_equals(true)
.value_name("FILE")
.help("some"),
);
assert!(test::compare_output(app, "clap-test", REQUIRE_EQUALS, true));
}