/
derive_order.rs
293 lines (251 loc) · 8.33 KB
/
derive_order.rs
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use crate::utils;
use std::str;
use clap::{AppSettings, Arg, Command};
static NO_DERIVE_ORDER: &str = "test 1.2
USAGE:
test [OPTIONS]
OPTIONS:
--flag_a second flag
--flag_b first flag
-h, --help Print help information
--option_a <option_a> second option
--option_b <option_b> first option
-V, --version Print version information
";
static UNIFIED_HELP_AND_DERIVE: &str = "test 1.2
USAGE:
test [OPTIONS]
OPTIONS:
--flag_b first flag
--option_b <option_b> first option
--flag_a second flag
--option_a <option_a> second option
-h, --help Print help information
-V, --version Print version information
";
static UNIFIED_DERIVE_SC_PROP: &str = "test-sub 1.2
USAGE:
test sub [OPTIONS]
OPTIONS:
--flag_b first flag
--option_b <option_b> first option
--flag_a second flag
--option_a <option_a> second option
-h, --help Print help information
-V, --version Print version information
";
static UNIFIED_DERIVE_SC_PROP_EXPLICIT_ORDER: &str = "test-sub 1.2
USAGE:
test sub [OPTIONS]
OPTIONS:
--flag_a second flag
--flag_b first flag
--option_b <option_b> first option
--option_a <option_a> second option
-h, --help Print help information
-V, --version Print version information
";
static PREFER_USER_HELP_DERIVE_ORDER: &str = "test 1.2
USAGE:
test [OPTIONS]
OPTIONS:
-h, --help Print help message
--flag_b first flag
--flag_a second flag
-V, --version Print version information
";
static PREFER_USER_HELP_SUBCMD_DERIVE_ORDER: &str = "test-sub 1.2
USAGE:
test sub [OPTIONS]
OPTIONS:
-h, --help Print help message
--flag_b first flag
--flag_a second flag
-V, --version Print version information
";
#[test]
fn no_derive_order() {
let cmd = Command::new("test").version("1.2").args(&[
Arg::new("flag_b").long("flag_b").help("first flag"),
Arg::new("option_b")
.long("option_b")
.takes_value(true)
.help("first option"),
Arg::new("flag_a").long("flag_a").help("second flag"),
Arg::new("option_a")
.long("option_a")
.takes_value(true)
.help("second option"),
]);
utils::assert_output(cmd, "test --help", NO_DERIVE_ORDER, false);
}
#[test]
fn derive_order() {
let cmd = Command::new("test")
.setting(AppSettings::DeriveDisplayOrder)
.version("1.2")
.args(&[
Arg::new("flag_b").long("flag_b").help("first flag"),
Arg::new("option_b")
.long("option_b")
.takes_value(true)
.help("first option"),
Arg::new("flag_a").long("flag_a").help("second flag"),
Arg::new("option_a")
.long("option_a")
.takes_value(true)
.help("second option"),
]);
utils::assert_output(cmd, "test --help", UNIFIED_HELP_AND_DERIVE, false);
}
#[test]
fn derive_order_next_order() {
static HELP: &str = "test 1.2
USAGE:
test [OPTIONS]
OPTIONS:
--flag_b first flag
--option_b <option_b> first option
-h, --help Print help information
-V, --version Print version information
--flag_a second flag
--option_a <option_a> second option
";
let cmd = Command::new("test")
.setting(AppSettings::DeriveDisplayOrder)
.version("1.2")
.next_display_order(10000)
.arg(Arg::new("flag_a").long("flag_a").help("second flag"))
.arg(
Arg::new("option_a")
.long("option_a")
.takes_value(true)
.help("second option"),
)
.next_display_order(10)
.arg(Arg::new("flag_b").long("flag_b").help("first flag"))
.arg(
Arg::new("option_b")
.long("option_b")
.takes_value(true)
.help("first option"),
);
utils::assert_output(cmd, "test --help", HELP, false);
}
#[test]
fn derive_order_no_next_order() {
static HELP: &str = "test 1.2
USAGE:
test [OPTIONS]
OPTIONS:
--flag_a first flag
--flag_b second flag
-h, --help Print help information
--option_a <option_a> first option
--option_b <option_b> second option
-V, --version Print version information
";
let cmd = Command::new("test")
.setting(AppSettings::DeriveDisplayOrder)
.version("1.2")
.next_display_order(None)
.arg(Arg::new("flag_a").long("flag_a").help("first flag"))
.arg(
Arg::new("option_a")
.long("option_a")
.takes_value(true)
.help("first option"),
)
.arg(Arg::new("flag_b").long("flag_b").help("second flag"))
.arg(
Arg::new("option_b")
.long("option_b")
.takes_value(true)
.help("second option"),
);
utils::assert_output(cmd, "test --help", HELP, false);
}
#[test]
fn derive_order_subcommand_propagate() {
let cmd = Command::new("test")
.global_setting(AppSettings::DeriveDisplayOrder)
.subcommand(
Command::new("sub").version("1.2").args(&[
Arg::new("flag_b").long("flag_b").help("first flag"),
Arg::new("option_b")
.long("option_b")
.takes_value(true)
.help("first option"),
Arg::new("flag_a").long("flag_a").help("second flag"),
Arg::new("option_a")
.long("option_a")
.takes_value(true)
.help("second option"),
]),
);
utils::assert_output(cmd, "test sub --help", UNIFIED_DERIVE_SC_PROP, false);
}
#[test]
fn derive_order_subcommand_propagate_with_explicit_display_order() {
let cmd = Command::new("test")
.global_setting(AppSettings::DeriveDisplayOrder)
.subcommand(
Command::new("sub").version("1.2").args(&[
Arg::new("flag_b").long("flag_b").help("first flag"),
Arg::new("option_b")
.long("option_b")
.takes_value(true)
.help("first option"),
Arg::new("flag_a")
.long("flag_a")
.help("second flag")
.display_order(0),
Arg::new("option_a")
.long("option_a")
.takes_value(true)
.help("second option"),
]),
);
utils::assert_output(
cmd,
"test sub --help",
UNIFIED_DERIVE_SC_PROP_EXPLICIT_ORDER,
false,
);
}
#[test]
fn prefer_user_help_with_derive_order() {
let cmd = Command::new("test")
.setting(AppSettings::DeriveDisplayOrder)
.version("1.2")
.args(&[
Arg::new("help")
.long("help")
.short('h')
.help("Print help message"),
Arg::new("flag_b").long("flag_b").help("first flag"),
Arg::new("flag_a").long("flag_a").help("second flag"),
]);
utils::assert_output(cmd, "test --help", PREFER_USER_HELP_DERIVE_ORDER, false);
}
#[test]
fn prefer_user_help_in_subcommand_with_derive_order() {
let cmd = Command::new("test")
.global_setting(AppSettings::DeriveDisplayOrder)
.subcommand(
Command::new("sub").version("1.2").args(&[
Arg::new("help")
.long("help")
.short('h')
.help("Print help message"),
Arg::new("flag_b").long("flag_b").help("first flag"),
Arg::new("flag_a").long("flag_a").help("second flag"),
]),
);
utils::assert_output(
cmd,
"test sub --help",
PREFER_USER_HELP_SUBCMD_DERIVE_ORDER,
false,
);
}