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clap/tests/help.rs

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#[macro_use]
extern crate clap;
extern crate regex;
include!("../clap-test.rs");
use clap::{App, AppSettings, SubCommand, ErrorKind, Arg};
static REQUIRE_DELIM_HELP: &'static str = "test 1.3
Kevin K.
tests stuff
USAGE:
test --fake <some>:<val>
FLAGS:
-h, --help Prints help information
-V, --version Prints version information
OPTIONS:
-f, --fake <some>:<val> some help";
static HELP: &'static str = "clap-test v1.4.8
Kevin K. <kbknapp@gmail.com>
tests clap library
USAGE:
clap-test [FLAGS] [OPTIONS] [ARGS] [SUBCOMMAND]
FLAGS:
-f, --flag tests flags
-F tests flags with exclusions
-h, --help Prints help information
-V, --version Prints version information
OPTIONS:
-O, --Option <option3> specific vals [values: fast, slow]
--long-option-2 <option2> tests long options with exclusions
--maxvals3 <maxvals>... Tests 3 max vals
--minvals2 <minvals>... Tests 2 min vals
--multvals <one> <two> Tests mutliple values, not mult occs
--multvalsmo <one> <two> Tests mutliple values, and mult occs
-o, --option <opt>... tests options
ARGS:
<positional> tests positionals
<positional2> tests positionals with exclusions
<positional3>... tests specific values [values: vi, emacs]
SUBCOMMANDS:
help Prints this message or the help of the given subcommand(s)
subcmd tests subcommands";
static SC_NEGATES_REQS: &'static str = "prog 1.0
USAGE:
prog --opt <FILE> [PATH]
prog [PATH] <SUBCOMMAND>
FLAGS:
-h, --help Prints help information
-V, --version Prints version information
OPTIONS:
-o, --opt <FILE> tests options
ARGS:
<PATH> help
SUBCOMMANDS:
help Prints this message or the help of the given subcommand(s)
test";
static ARGS_NEGATE_SC: &'static str = "prog 1.0
USAGE:
prog [FLAGS] [OPTIONS] [PATH]
prog <SUBCOMMAND>
FLAGS:
-f, --flag testing flags
-h, --help Prints help information
-V, --version Prints version information
OPTIONS:
-o, --opt <FILE> tests options
ARGS:
<PATH> help
SUBCOMMANDS:
help Prints this message or the help of the given subcommand(s)
test";
static AFTER_HELP: &'static str = "some text that comes before the help
clap-test v1.4.8
tests clap library
USAGE:
clap-test
FLAGS:
-h, --help Prints help information
-V, --version Prints version information
some text that comes after the help";
static HIDDEN_ARGS: &'static str = "prog 1.0
USAGE:
prog [FLAGS] [OPTIONS]
FLAGS:
-f, --flag testing flags
-h, --help Prints help information
-V, --version Prints version information
OPTIONS:
-o, --opt <FILE> tests options";
static SC_HELP: &'static str = "clap-test-subcmd 0.1
Kevin K. <kbknapp@gmail.com>
tests subcommands
USAGE:
clap-test subcmd [FLAGS] [OPTIONS] [--] [scpositional]
FLAGS:
-f, --flag tests flags
-h, --help Prints help information
-V, --version Prints version information
OPTIONS:
-o, --option <scoption>... tests options
-s, --subcmdarg <subcmdarg> tests other args
ARGS:
<scpositional> tests positionals";
static ISSUE_1046_HIDDEN_SCS: &'static str = "prog 1.0
USAGE:
prog [FLAGS] [OPTIONS] [PATH]
FLAGS:
-f, --flag testing flags
-h, --help Prints help information
-V, --version Prints version information
OPTIONS:
-o, --opt <FILE> tests options
ARGS:
<PATH> some";
// Using number_of_values(1) with multiple(true) misaligns help message
static ISSUE_760: &'static str = "ctest 0.1
USAGE:
ctest [OPTIONS]
FLAGS:
-h, --help Prints help information
-V, --version Prints version information
OPTIONS:
-O, --opt <opt> tests options
-o, --option <option>... tests options";
static RIPGREP_USAGE: &'static str = "ripgrep 0.5
USAGE:
rg [OPTIONS] <pattern> [<path> ...]
rg [OPTIONS] [-e PATTERN | -f FILE ]... [<path> ...]
rg [OPTIONS] --files [<path> ...]
rg [OPTIONS] --type-list
FLAGS:
-h, --help Prints help information
-V, --version Prints version information";
static MULTI_SC_HELP: &'static str = "ctest-subcmd-multi 0.1
Kevin K. <kbknapp@gmail.com>
tests subcommands
USAGE:
ctest subcmd multi [FLAGS] [OPTIONS]
FLAGS:
-f, --flag tests flags
-h, --help Prints help information
-V, --version Prints version information
OPTIONS:
-o, --option <scoption>... tests options";
static ISSUE_626_CUTOFF: &'static str = "ctest 0.1
USAGE:
ctest [OPTIONS]
FLAGS:
-h, --help Prints help information
-V, --version Prints version information
OPTIONS:
-c, --cafe <FILE> A coffeehouse, coffee shop, or café is an
establishment which primarily serves hot
coffee, related coffee beverages (e.g., café
latte, cappuccino, espresso), tea, and other
hot beverages. Some coffeehouses also serve
cold beverages such as iced coffee and iced
tea. Many cafés also serve some type of food,
such as light snacks, muffins, or pastries.";
static ISSUE_626_PANIC: &'static str = "ctest 0.1
USAGE:
ctest [OPTIONS]
FLAGS:
-h, --help Prints help information
-V, --version Prints version information
OPTIONS:
-c, --cafe <FILE>
La culture du café est très développée
dans de nombreux pays à climat chaud
d\'Amérique, d\'Afrique et d\'Asie, dans
des plantations qui sont cultivées pour
les marchés d\'exportation. Le café est
souvent une contribution majeure aux
exportations des régions productrices.";
static HIDE_POS_VALS: &'static str = "ctest 0.1
USAGE:
ctest [OPTIONS]
FLAGS:
-h, --help Prints help information
-V, --version Prints version information
OPTIONS:
-c, --cafe <FILE> A coffeehouse, coffee shop, or café.
-p, --pos <VAL> Some vals [values: fast, slow]";
static FINAL_WORD_WRAPPING: &'static str = "ctest 0.1
USAGE:
ctest
FLAGS:
-h, --help
Prints help
information
-V, --version
Prints
version
information";
static OLD_NEWLINE_CHARS: &'static str = "ctest 0.1
USAGE:
ctest [FLAGS]
FLAGS:
-h, --help Prints help information
-m Some help with some wrapping
(Defaults to something)
-V, --version Prints version information";
static WRAPPING_NEWLINE_CHARS: &'static str = "ctest 0.1
USAGE:
ctest [mode]
FLAGS:
-h, --help Prints help information
-V, --version Prints version information
ARGS:
<mode> x, max, maximum 20 characters, contains
symbols.
l, long Copy-friendly, 14
characters, contains symbols.
m, med, medium Copy-friendly, 8
characters, contains symbols.";
static ISSUE_688: &'static str = "ctest 0.1
USAGE:
ctest [OPTIONS]
FLAGS:
-h, --help Prints help information
-V, --version Prints version information
OPTIONS:
--filter <filter> Sets the filter, or sampling method, to use for interpolation when resizing the particle
images. The default is Linear (Bilinear). [values: Nearest, Linear, Cubic, Gaussian,
Lanczos3]";
static ISSUE_702: &'static str = "myapp 1.0
foo
bar
USAGE:
myapp [OPTIONS] [--] [ARGS]
FLAGS:
-h, --help Prints help information
-V, --version Prints version information
OPTIONS:
-l, --label <label>... a label
-o, --other <other> some other option
-s, --some <some> some option
ARGS:
<arg1> some option
<arg2>... some option";
static ISSUE_777: &'static str = "A app with a crazy very long long
long name hahaha 1.0
Some Very Long Name and crazy long
email <email@server.com>
Show how the about text is not
wrapped
USAGE:
ctest
FLAGS:
-h, --help
Prints help information
-V, --version
Prints version
information";
static CUSTOM_VERSION_AND_HELP: &'static str = "customize 0.1
Nobody <odysseus@example.com>
You can customize the version and help text
USAGE:
customize
FLAGS:
-H, --help Print help information
-v, --version Print version information";
static LAST_ARG: &'static str = "last 0.1
USAGE:
last <TARGET> [CORPUS] [-- <ARGS>...]
FLAGS:
-h, --help Prints help information
-V, --version Prints version information
ARGS:
<TARGET> some
<CORPUS> some
<ARGS>... some";
static LAST_ARG_SC: &'static str = "last 0.1
USAGE:
last <TARGET> [CORPUS] [-- <ARGS>...]
last <SUBCOMMAND>
FLAGS:
-h, --help Prints help information
-V, --version Prints version information
ARGS:
<TARGET> some
<CORPUS> some
<ARGS>... some
SUBCOMMANDS:
help Prints this message or the help of the given subcommand(s)
test some";
static LAST_ARG_REQ: &'static str = "last 0.1
USAGE:
last <TARGET> [CORPUS] -- <ARGS>...
FLAGS:
-h, --help Prints help information
-V, --version Prints version information
ARGS:
<TARGET> some
<CORPUS> some
<ARGS>... some";
static LAST_ARG_REQ_SC: &'static str = "last 0.1
USAGE:
last <TARGET> [CORPUS] -- <ARGS>...
last <SUBCOMMAND>
FLAGS:
-h, --help Prints help information
-V, --version Prints version information
ARGS:
<TARGET> some
<CORPUS> some
<ARGS>... some
SUBCOMMANDS:
help Prints this message or the help of the given subcommand(s)
test some";
static HIDE_DEFAULT_VAL: &'static str = "default 0.1
USAGE:
default [OPTIONS]
FLAGS:
-h, --help Prints help information
-V, --version Prints version information
OPTIONS:
--arg <argument> Pass an argument to the program. [default: default-argument]";
static LAST_ARG_USAGE: &'static str = "flamegraph 0.1
USAGE:
flamegraph [FLAGS] [OPTIONS] [BINFILE] [-- <ARGS>...]
FLAGS:
-h, --help Prints help information
-V, --version Prints version information
-v, --verbose Prints out more stuff.
OPTIONS:
-f, --frequency <HERTZ> The sampling frequency.
-t, --timeout <SECONDS> Timeout in seconds.
ARGS:
<BINFILE> The path of the binary to be profiled. for a binary.
<ARGS>... Any arguments you wish to pass to the being profiled.";
static LAST_ARG_REQ_MULT: &'static str = "example 1.0
USAGE:
example <FIRST>... [--] <SECOND>...
FLAGS:
-h, --help Prints help information
-V, --version Prints version information
ARGS:
<FIRST>... First
<SECOND>... Second";
static DEFAULT_HELP: &'static str = "ctest 1.0
USAGE:
ctest
FLAGS:
-h, --help Prints help information
-V, --version Prints version information";
static LONG_ABOUT: &'static str = "myapp 1.0
foo
something really really long, with
multiple lines of text
that should be displayed
USAGE:
myapp [arg1]
FLAGS:
-h, --help
Prints help information
-V, --version
Prints version information
ARGS:
<arg1>
some option";
static HIDE_ENV_VALS: &'static str = "ctest 0.1
USAGE:
ctest [OPTIONS]
FLAGS:
-h, --help Prints help information
-V, --version Prints version information
OPTIONS:
-c, --cafe <FILE> A coffeehouse, coffee shop, or café. [env: ENVVAR]
-p, --pos <VAL> Some vals [values: fast, slow]";
static SHOW_ENV_VALS: &'static str = "ctest 0.1
USAGE:
ctest [OPTIONS]
FLAGS:
-h, --help Prints help information
-V, --version Prints version information
OPTIONS:
-c, --cafe <FILE> A coffeehouse, coffee shop, or café. [env: ENVVAR=MYVAL]
-p, --pos <VAL> Some vals [values: fast, slow]";
fn setup() -> App<'static, 'static> {
App::new("test")
.author("Kevin K.")
.about("tests stuff")
.version("1.3")
}
#[test]
fn help_short() {
let m = setup()
.get_matches_from_safe(vec!["myprog", "-h"]);
assert!(m.is_err());
assert_eq!(m.unwrap_err().kind, ErrorKind::HelpDisplayed);
}
#[test]
fn help_long() {
let m = setup()
.get_matches_from_safe(vec!["myprog", "--help"]);
assert!(m.is_err());
assert_eq!(m.unwrap_err().kind, ErrorKind::HelpDisplayed);
}
#[test]
fn help_no_subcommand() {
let m = setup()
.get_matches_from_safe(vec!["myprog", "help"]);
assert!(m.is_err());
assert_eq!(m.unwrap_err().kind, ErrorKind::UnknownArgument);
}
#[test]
fn help_subcommand() {
let m = setup()
.subcommand(SubCommand::with_name("test")
.about("tests things")
.arg_from_usage("-v --verbose 'with verbosity'"))
.get_matches_from_safe(vec!["myprog", "help"]);
assert!(m.is_err());
assert_eq!(m.unwrap_err().kind, ErrorKind::HelpDisplayed);
}
#[test]
fn req_last_arg_usage() {
let app = clap_app!(example =>
(version: "1.0")
(@arg FIRST: ... * "First")
(@arg SECOND: ... * +last "Second")
);
assert!(test::compare_output(app, "example --help", LAST_ARG_REQ_MULT, false));
}
#[test]
fn args_with_last_usage() {
let app = App::new("flamegraph")
.version("0.1")
.setting(AppSettings::TrailingVarArg)
.arg(Arg::with_name("verbose")
.help("Prints out more stuff.")
.short("v")
.long("verbose")
.multiple(true)
)
.arg(Arg::with_name("timeout")
.help("Timeout in seconds.")
.short("t")
.long("timeout")
.value_name("SECONDS")
.takes_value(true)
)
.arg(Arg::with_name("frequency")
.help("The sampling frequency.")
.short("f")
.long("frequency")
.value_name("HERTZ")
.takes_value(true)
)
.arg(Arg::with_name("binary path")
.help("The path of the binary to be profiled. for a binary.")
.takes_value(true)
.value_name("BINFILE")
)
.arg(Arg::with_name("pass through args")
.help("Any arguments you wish to pass to the being profiled.")
.value_name("ARGS")
.last(true)
.multiple(true)
);
assert!(test::compare_output(app, "flamegraph --help", LAST_ARG_USAGE, false));
}
#[test]
fn subcommand_short_help() {
let m = test::complex_app().get_matches_from_safe(vec!["clap-test", "subcmd", "-h"]);
assert!(m.is_err());
assert_eq!(m.unwrap_err().kind, ErrorKind::HelpDisplayed);
}
#[test]
fn subcommand_long_help() {
let m = test::complex_app().get_matches_from_safe(vec!["clap-test", "subcmd", "--help"]);
assert!(m.is_err());
assert_eq!(m.unwrap_err().kind, ErrorKind::HelpDisplayed);
}
#[test]
fn subcommand_help_rev() {
let m = test::complex_app().get_matches_from_safe(vec!["clap-test", "help", "subcmd"]);
assert!(m.is_err());
assert_eq!(m.unwrap_err().kind, ErrorKind::HelpDisplayed);
}
#[test]
fn complex_help_output() {
assert!(test::compare_output(test::complex_app(), "clap-test --help", HELP, false));
}
#[test]
fn after_and_before_help_output() {
let app = App::new("clap-test")
.version("v1.4.8")
.about("tests clap library")
.before_help("some text that comes before the help")
.after_help("some text that comes after the help");
assert!(test::compare_output(app, "clap-test --help", AFTER_HELP, false));
}
#[test]
fn multi_level_sc_help() {
let app = App::new("ctest")
.subcommand(SubCommand::with_name("subcmd").subcommand(SubCommand::with_name("multi")
.about("tests subcommands")
.author("Kevin K. <kbknapp@gmail.com>")
.version("0.1")
.args_from_usage("
-f, --flag 'tests flags'
-o, --option [scoption]... 'tests options'
")));
assert!(test::compare_output(app, "ctest help subcmd multi", MULTI_SC_HELP, false));
}
#[test]
fn no_wrap_help() {
let app = App::new("ctest")
.set_term_width(0)
.help(MULTI_SC_HELP);
assert!(test::compare_output(app, "ctest --help", MULTI_SC_HELP, false));
}
#[test]
fn no_wrap_default_help() {
let app = App::new("ctest").version("1.0").set_term_width(0);
assert!(test::compare_output(app, "ctest --help", DEFAULT_HELP, false));
}
#[test]
fn complex_subcommand_help_output() {
let a = test::complex_app();
assert!(test::compare_output(a, "clap-test subcmd --help", SC_HELP, false));
}
#[test]
fn issue_626_unicode_cutoff() {
let app = App::new("ctest")
.version("0.1")
.set_term_width(70)
.arg(Arg::with_name("cafe")
.short("c")
.long("cafe")
.value_name("FILE")
.help("A coffeehouse, coffee shop, or café is an establishment \
which primarily serves hot coffee, related coffee beverages \
(e.g., café latte, cappuccino, espresso), tea, and other hot \
beverages. Some coffeehouses also serve cold beverages such as \
iced coffee and iced tea. Many cafés also serve some type of \
food, such as light snacks, muffins, or pastries.")
.takes_value(true));
assert!(test::compare_output(app, "ctest --help", ISSUE_626_CUTOFF, false));
}
#[test]
fn hide_possible_vals() {
let app = App::new("ctest")
.version("0.1")
.arg(Arg::with_name("pos")
.short("p")
.long("pos")
.value_name("VAL")
.possible_values(&["fast", "slow"])
.help("Some vals")
.takes_value(true))
.arg(Arg::with_name("cafe")
.short("c")
.long("cafe")
.value_name("FILE")
.hide_possible_values(true)
.possible_values(&["fast", "slow"])
.help("A coffeehouse, coffee shop, or café.")
.takes_value(true));
assert!(test::compare_output(app, "ctest --help", HIDE_POS_VALS, false));
}
#[test]
fn issue_626_panic() {
let app = App::new("ctest")
.version("0.1")
.set_term_width(52)
.arg(Arg::with_name("cafe")
.short("c")
.long("cafe")
.value_name("FILE")
.help("La culture du café est très développée dans de nombreux pays à climat chaud d'Amérique, \
d'Afrique et d'Asie, dans des plantations qui sont cultivées pour les marchés d'exportation. \
Le café est souvent une contribution majeure aux exportations des régions productrices.")
.takes_value(true));
assert!(test::compare_output(app, "ctest --help", ISSUE_626_PANIC, false));
}
#[test]
fn issue_626_variable_panic() {
for i in 10..320 {
let _ = App::new("ctest")
.version("0.1")
.set_term_width(i)
.arg(Arg::with_name("cafe")
.short("c")
.long("cafe")
.value_name("FILE")
.help("La culture du café est très développée dans de nombreux pays à climat chaud d'Amérique, \
d'Afrique et d'Asie, dans des plantations qui sont cultivées pour les marchés d'exportation. \
Le café est souvent une contribution majeure aux exportations des régions productrices.")
.takes_value(true))
.get_matches_from_safe(vec!["ctest", "--help"]);
}
}
#[test]
fn final_word_wrapping() {
let app = App::new("ctest").version("0.1").set_term_width(24);
assert!(test::compare_output(app, "ctest --help", FINAL_WORD_WRAPPING, false));
}
#[test]
fn wrapping_newline_chars() {
let app = App::new("ctest")
.version("0.1")
.set_term_width(60)
.arg(Arg::with_name("mode")
.help("x, max, maximum 20 characters, contains symbols.{n}\
l, long Copy-friendly, 14 characters, contains symbols.{n}\
m, med, medium Copy-friendly, 8 characters, contains symbols.{n}"));
assert!(test::compare_output(app, "ctest --help", WRAPPING_NEWLINE_CHARS, false));
}
#[test]
fn old_newline_chars() {
let app = App::new("ctest")
.version("0.1")
.arg(Arg::with_name("mode")
.short("m")
.help("Some help with some wrapping{n}(Defaults to something)"));
assert!(test::compare_output(app, "ctest --help", OLD_NEWLINE_CHARS, false));
}
#[test]
fn issue_688_hidden_pos_vals() {
let filter_values = ["Nearest", "Linear", "Cubic", "Gaussian", "Lanczos3"];
let app1 = App::new("ctest")
.version("0.1")
.set_term_width(120)
.setting(AppSettings::HidePossibleValuesInHelp)
.arg(Arg::with_name("filter")
.help("Sets the filter, or sampling method, to use for interpolation when resizing the particle \
images. The default is Linear (Bilinear). [values: Nearest, Linear, Cubic, Gaussian, Lanczos3]")
.long("filter")
.possible_values(&filter_values)
.takes_value(true));
assert!(test::compare_output(app1, "ctest --help", ISSUE_688, false));
let app2 = App::new("ctest")
.version("0.1")
.set_term_width(120)
.arg(Arg::with_name("filter")
.help("Sets the filter, or sampling method, to use for interpolation when resizing the particle \
images. The default is Linear (Bilinear).")
.long("filter")
.possible_values(&filter_values)
.takes_value(true));
assert!(test::compare_output(app2, "ctest --help", ISSUE_688, false));
let app3 = App::new("ctest")
.version("0.1")
.set_term_width(120)
.arg(Arg::with_name("filter")
.help("Sets the filter, or sampling method, to use for interpolation when resizing the particle \
images. The default is Linear (Bilinear). [values: Nearest, Linear, Cubic, Gaussian, Lanczos3]")
.long("filter")
.takes_value(true));
assert!(test::compare_output(app3, "ctest --help", ISSUE_688, false));
}
#[test]
fn issue_702_multiple_values() {
let app = App::new("myapp")
.version("1.0")
.author("foo")
.about("bar")
.arg(Arg::with_name("arg1").help("some option"))
.arg(Arg::with_name("arg2")
.multiple(true)
.help("some option"))
.arg(Arg::with_name("some")
.help("some option")
.short("s")
.long("some")
.takes_value(true))
.arg(Arg::with_name("other")
.help("some other option")
.short("o")
.long("other")
.takes_value(true))
.arg(Arg::with_name("label")
.help("a label")
.short("l")
.long("label")
.multiple(true)
.takes_value(true));
assert!(test::compare_output(app, "myapp --help", ISSUE_702, false));
}
#[test]
fn long_about() {
let app = App::new("myapp")
.version("1.0")
.author("foo")
.about("bar")
.long_about("something really really long, with\nmultiple lines of text\nthat should be displayed")
.arg(Arg::with_name("arg1").help("some option"));
assert!(test::compare_output(app, "myapp --help", LONG_ABOUT, false));
}
#[test]
fn issue_760() {
let app = App::new("ctest")
.version("0.1")
.arg(Arg::with_name("option")
.help("tests options")
.short("o")
.long("option")
.takes_value(true)
.multiple(true)
.number_of_values(1))
.arg(Arg::with_name("opt")
.help("tests options")
.short("O")
.long("opt")
.takes_value(true));
assert!(test::compare_output(app, "ctest --help", ISSUE_760, false));
}
#[test]
fn ripgrep_usage() {
let app = App::new("ripgrep")
.version("0.5")
.usage("rg [OPTIONS] <pattern> [<path> ...]
rg [OPTIONS] [-e PATTERN | -f FILE ]... [<path> ...]
rg [OPTIONS] --files [<path> ...]
rg [OPTIONS] --type-list");
assert!(test::compare_output(app, "rg --help", RIPGREP_USAGE, false));
}
#[test]
fn ripgrep_usage_using_templates() {
let app = App::new("ripgrep")
.version("0.5")
.usage("
rg [OPTIONS] <pattern> [<path> ...]
rg [OPTIONS] [-e PATTERN | -f FILE ]... [<path> ...]
rg [OPTIONS] --files [<path> ...]
rg [OPTIONS] --type-list")
.template("\
{bin} {version}
USAGE:{usage}
FLAGS:
{flags}");
assert!(test::compare_output(app, "rg --help", RIPGREP_USAGE, false));
}
#[test]
fn sc_negates_reqs() {
let app = App::new("prog")
.version("1.0")
.setting(AppSettings::SubcommandsNegateReqs)
.arg_from_usage("-o, --opt <FILE> 'tests options'")
.arg(Arg::with_name("PATH").help("help"))
.subcommand(SubCommand::with_name("test"));
assert!(test::compare_output(app, "prog --help", SC_NEGATES_REQS, false));
}
#[test]
fn hidden_args() {
let app = App::new("prog")
.version("1.0")
.args_from_usage("-f, --flag 'testing flags'
-o, --opt [FILE] 'tests options'")
.arg(Arg::with_name("pos").hidden(true));
assert!(test::compare_output(app, "prog --help", HIDDEN_ARGS, false));
}
#[test]
fn args_negate_sc() {
let app = App::new("prog")
.version("1.0")
.setting(AppSettings::ArgsNegateSubcommands)
.args_from_usage("-f, --flag 'testing flags'
-o, --opt [FILE] 'tests options'")
.arg(Arg::with_name("PATH").help("help"))
.subcommand(SubCommand::with_name("test"));
assert!(test::compare_output(app, "prog --help", ARGS_NEGATE_SC, false));
}
#[test]
fn issue_1046_hidden_scs() {
let app = App::new("prog")
.version("1.0")
.args_from_usage("-f, --flag 'testing flags'
-o, --opt [FILE] 'tests options'")
.arg(Arg::with_name("PATH").help("some"))
.subcommand(SubCommand::with_name("test").setting(AppSettings::Hidden));
assert!(test::compare_output(app, "prog --help", ISSUE_1046_HIDDEN_SCS, false));
}
#[test]
fn issue_777_wrap_all_things() {
let app = App::new("A app with a crazy very long long long name hahaha")
.version("1.0")
.author("Some Very Long Name and crazy long email <email@server.com>")
.about("Show how the about text is not wrapped")
.set_term_width(35);
assert!(test::compare_output(app, "ctest --help", ISSUE_777, false));
}
#[test]
fn customize_version_and_help() {
let app = App::new("customize")
.version("0.1")
.author("Nobody <odysseus@example.com>")
.about("You can customize the version and help text")
.help_short("H")
.help_message("Print help information")
.version_short("v")
.version_message("Print version information");
assert!(test::compare_output(app, "customize --help", CUSTOM_VERSION_AND_HELP, false));
}
#[test]
fn last_arg_mult_usage() {
let app = App::new("last")
.version("0.1")
.arg(Arg::with_name("TARGET").required(true).help("some"))
.arg(Arg::with_name("CORPUS").help("some"))
.arg(Arg::with_name("ARGS").multiple(true).last(true).help("some"));
assert!(test::compare_output(app, "last --help", LAST_ARG, false));
}
#[test]
fn last_arg_mult_usage_req() {
let app = App::new("last")
.version("0.1")
.arg(Arg::with_name("TARGET").required(true).help("some"))
.arg(Arg::with_name("CORPUS").help("some"))
.arg(Arg::with_name("ARGS").multiple(true).last(true).required(true).help("some"));
assert!(test::compare_output(app, "last --help", LAST_ARG_REQ, false));
}
#[test]
fn last_arg_mult_usage_req_with_sc() {
let app = App::new("last")
.version("0.1")
.setting(AppSettings::SubcommandsNegateReqs)
.arg(Arg::with_name("TARGET").required(true).help("some"))
.arg(Arg::with_name("CORPUS").help("some"))
.arg(Arg::with_name("ARGS").multiple(true).last(true).required(true).help("some"))
.subcommand(SubCommand::with_name("test").about("some"));
assert!(test::compare_output(app, "last --help", LAST_ARG_REQ_SC, false));
}
#[test]
fn last_arg_mult_usage_with_sc() {
let app = App::new("last")
.version("0.1")
.setting(AppSettings::ArgsNegateSubcommands)
.arg(Arg::with_name("TARGET").required(true).help("some"))
.arg(Arg::with_name("CORPUS").help("some"))
.arg(Arg::with_name("ARGS").multiple(true).last(true).help("some"))
.subcommand(SubCommand::with_name("test").about("some"));
assert!(test::compare_output(app, "last --help", LAST_ARG_SC, false));
}
#[test]
fn hidden_default_val() {
let app1 = App::new("default")
.version("0.1")
.set_term_width(120)
.arg(Arg::with_name("argument")
.help("Pass an argument to the program. [default: default-argument]")
.long("arg")
.default_value("default-argument")
.hide_default_value(true));
assert!(test::compare_output(app1, "default --help", HIDE_DEFAULT_VAL, false));
let app2 = App::new("default")
.version("0.1")
.set_term_width(120)
.arg(Arg::with_name("argument")
.help("Pass an argument to the program.")
.long("arg")
.default_value("default-argument"));
assert!(test::compare_output(app2, "default --help", HIDE_DEFAULT_VAL, false));
}
fn issue_1112_setup() -> App<'static, 'static> {
App::new("test")
.author("Kevin K.")
.about("tests stuff")
.version("1.3")
.arg(Arg::from_usage("-h, --help 'some help'"))
.subcommand(SubCommand::with_name("foo")
.arg(Arg::from_usage("-h, --help 'some help'")))
}
#[test]
fn issue_1112_override_help_long() {
let m = issue_1112_setup()
.get_matches_from_safe(vec!["test", "--help"]);
assert!(m.is_ok());
assert!(m.unwrap().is_present("help"));
}
#[test]
fn issue_1112_override_help_short() {
let m = issue_1112_setup()
.get_matches_from_safe(vec!["test", "-h"]);
assert!(m.is_ok());
assert!(m.unwrap().is_present("help"));
}
#[test]
fn issue_1112_override_help_subcmd_long() {
let m = issue_1112_setup()
.get_matches_from_safe(vec!["test", "foo", "--help"]);
assert!(m.is_ok());
assert!(m.unwrap().subcommand_matches("foo").unwrap().is_present("help"));
}
#[test]
fn issue_1112_override_help_subcmd_short() {
let m = issue_1112_setup()
.get_matches_from_safe(vec!["test", "foo", "-h"]);
assert!(m.is_ok());
assert!(m.unwrap().subcommand_matches("foo").unwrap().is_present("help"));
}
#[test]
fn issue_1052_require_delim_help() {
let app = App::new("test")
.author("Kevin K.")
.about("tests stuff")
.version("1.3")
.arg(Arg::from_usage("-f, --fake <some> <val> 'some help'").require_delimiter(true).value_delimiter(":"));
assert!(test::compare_output(app, "test --help", REQUIRE_DELIM_HELP, false));
}
#[test]
fn hide_env_vals() {
use std::env;
env::set_var("ENVVAR", "MYVAL");
let app = App::new("ctest")
.version("0.1")
.arg(Arg::with_name("pos")
.short("p")
.long("pos")
.value_name("VAL")
.possible_values(&["fast", "slow"])
.help("Some vals")
.takes_value(true))
.arg(Arg::with_name("cafe")
.short("c")
.long("cafe")
.value_name("FILE")
.hide_env_values(true)
.env("ENVVAR")
.help("A coffeehouse, coffee shop, or café.")
.takes_value(true));
assert!(test::compare_output(app, "ctest --help", HIDE_ENV_VALS, false));
}
#[test]
fn show_env_vals() {
use std::env;
env::set_var("ENVVAR", "MYVAL");
let app = App::new("ctest")
.version("0.1")
.arg(Arg::with_name("pos")
.short("p")
.long("pos")
.value_name("VAL")
.possible_values(&["fast", "slow"])
.help("Some vals")
.takes_value(true))
.arg(Arg::with_name("cafe")
.short("c")
.long("cafe")
.value_name("FILE")
.hide_possible_values(true)
.env("ENVVAR")
.help("A coffeehouse, coffee shop, or café.")
.takes_value(true));
assert!(test::compare_output(app, "ctest --help", SHOW_ENV_VALS, false));
}
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