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-rw-r--r--clap/tests/require.rs688
1 files changed, 688 insertions, 0 deletions
diff --git a/clap/tests/require.rs b/clap/tests/require.rs
new file mode 100644
index 0000000..7121aa5
--- /dev/null
+++ b/clap/tests/require.rs
@@ -0,0 +1,688 @@
+extern crate clap;
+extern crate regex;
+
+include!("../clap-test.rs");
+
+use clap::{App, Arg, ErrorKind, ArgGroup};
+
+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";
+
+static ISSUE_1158: &'static str = "error: The following required arguments were not provided:
+ -x <X>
+ -y <Y>
+ -z <Z>
+
+USAGE:
+ example [OPTIONS] <ID> -x <X> -y <Y> -z <Z>
+
+For more information try --help";
+
+#[test]
+fn issue_1158_conflicting_requirements() {
+ let app = App::new("example")
+ .arg(Arg::from_usage("-c, --config [FILE] 'Custom config file.'")
+ .required_unless("ID")
+ .conflicts_with("ID"))
+ .arg(Arg::from_usage("[ID] 'ID'")
+ .required_unless("config")
+ .conflicts_with("config")
+ .requires_all(&["x", "y", "z"]))
+ .arg(Arg::from_usage("-x [X] 'X'"))
+ .arg(Arg::from_usage("-y [Y] 'Y'"))
+ .arg(Arg::from_usage("-z [Z] 'Z'"));
+
+ assert!(test::compare_output(app, "example id", ISSUE_1158, true));
+}
+
+#[test]
+fn issue_1158_conflicting_requirements_rev() {
+ let res = App::new("example")
+ .arg(Arg::from_usage("-c, --config [FILE] 'Custom config file.'")
+ .required_unless("ID")
+ .conflicts_with("ID"))
+ .arg(Arg::from_usage("[ID] 'ID'")
+ .required_unless("config")
+ .conflicts_with("config")
+ .requires_all(&["x", "y", "z"]))
+ .arg(Arg::from_usage("-x [X] 'X'"))
+ .arg(Arg::from_usage("-y [Y] 'Y'"))
+ .arg(Arg::from_usage("-z [Z] 'Z'"))
+ .get_matches_from_safe(vec!["example", "--config", "some"]);
+
+ assert!(res.is_ok());
+}
+
+#[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/clap-rs/clap/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));
+}