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Original file line number | Diff line number | Diff line change |
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@@ -1,22 +1,186 @@ | ||
extern crate clap; | ||
extern crate regex; | ||
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use std::env; | ||
use std::ffi::OsStr; | ||
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use clap::{App, Arg, ErrorKind}; | ||
use clap::{App, Arg}; | ||
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#[test] | ||
fn env_no_default() { | ||
fn env() { | ||
env::set_var("CLP_TEST_ENV", "env"); | ||
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let r = App::new("df") | ||
.arg(Arg::from_usage("[arg] 'some opt'").env("CLP_TEST_ENV")) | ||
.get_matches_from_safe(vec![""]); | ||
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env::remove_var("CLP_TEST_ENV"); | ||
assert!(r.is_ok()); | ||
let m = r.unwrap(); | ||
// assert!(m.is_present("arg")); // TODO: should this be true? | ||
assert!(m.is_present("arg")); | ||
assert_eq!(m.occurrences_of("arg"), 0); | ||
assert_eq!(m.value_of("arg").unwrap(), "env"); | ||
} | ||
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#[test] | ||
fn env_os() { | ||
env::set_var("CLP_TEST_ENV", "env"); | ||
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let r = App::new("df") | ||
.arg( | ||
Arg::from_usage("[arg] 'some opt'").env_os(OsStr::new("CLP_TEST_ENV")), | ||
) | ||
.get_matches_from_safe(vec![""]); | ||
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assert!(r.is_ok()); | ||
let m = r.unwrap(); | ||
assert!(m.is_present("arg")); | ||
assert_eq!(m.occurrences_of("arg"), 0); | ||
assert_eq!(m.value_of("arg").unwrap(), "env"); | ||
} | ||
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#[test] | ||
fn no_env() { | ||
// All the other tests use the presence of the Environment variable... | ||
// we need another variable just in case one of the others is running at the same time... | ||
env::remove_var("CLP_TEST_ENV_NONE"); | ||
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let r = App::new("df") | ||
.arg(Arg::from_usage("[arg] 'some opt'").env("CLP_TEST_ENV_NONE")) | ||
.get_matches_from_safe(vec![""]); | ||
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assert!(r.is_ok()); | ||
let m = r.unwrap(); | ||
assert!(!m.is_present("arg")); | ||
assert_eq!(m.occurrences_of("arg"), 0); | ||
assert_eq!(m.value_of("arg"), None); | ||
} | ||
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#[test] | ||
fn with_default() { | ||
env::set_var("CLP_TEST_ENV", "env"); | ||
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let r = App::new("df") | ||
.arg( | ||
Arg::from_usage("[arg] 'some opt'") | ||
.env("CLP_TEST_ENV") | ||
.default_value("default"), | ||
) | ||
.get_matches_from_safe(vec![""]); | ||
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assert!(r.is_ok()); | ||
let m = r.unwrap(); | ||
assert!(m.is_present("arg")); | ||
assert_eq!(m.occurrences_of("arg"), 0); | ||
assert_eq!(m.value_of("arg").unwrap(), "env"); | ||
} | ||
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#[test] | ||
fn opt_user_override() { | ||
env::set_var("CLP_TEST_ENV", "env"); | ||
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let r = App::new("df") | ||
.arg( | ||
Arg::from_usage("--arg [FILE] 'some arg'").env("CLP_TEST_ENV"), | ||
) | ||
.get_matches_from_safe(vec!["", "--arg", "opt"]); | ||
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assert!(r.is_ok()); | ||
let m = r.unwrap(); | ||
assert!(m.is_present("arg")); | ||
assert_eq!(m.occurrences_of("arg"), 1); | ||
assert_eq!(m.value_of("arg").unwrap(), "opt"); | ||
} | ||
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#[test] | ||
fn positionals() { | ||
env::set_var("CLP_TEST_ENV", "env"); | ||
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let r = App::new("df") | ||
.arg(Arg::from_usage("[arg] 'some opt'").env("CLP_TEST_ENV")) | ||
.get_matches_from_safe(vec![""]); | ||
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assert!(r.is_ok()); | ||
let m = r.unwrap(); | ||
assert!(m.is_present("arg")); | ||
assert_eq!(m.occurrences_of("arg"), 0); | ||
assert_eq!(m.value_of("arg").unwrap(), "env"); | ||
} | ||
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#[test] | ||
fn positionals_user_override() { | ||
env::set_var("CLP_TEST_ENV", "env"); | ||
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let r = App::new("df") | ||
.arg(Arg::from_usage("[arg] 'some opt'").env("CLP_TEST_ENV")) | ||
.get_matches_from_safe(vec!["", "opt"]); | ||
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assert!(r.is_ok()); | ||
let m = r.unwrap(); | ||
assert!(m.is_present("arg")); | ||
assert_eq!(m.occurrences_of("arg"), 1); | ||
assert_eq!(m.value_of("arg").unwrap(), "opt"); | ||
} | ||
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#[test] | ||
fn multiple_one() { | ||
env::set_var("CLP_TEST_ENV", "env"); | ||
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let r = App::new("df") | ||
.arg( | ||
Arg::from_usage("[arg] 'some opt'") | ||
.env("CLP_TEST_ENV") | ||
.use_delimiter(true) | ||
.multiple(true), | ||
) | ||
.get_matches_from_safe(vec![""]); | ||
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assert!(r.is_ok()); | ||
let m = r.unwrap(); | ||
assert!(m.is_present("arg")); | ||
assert_eq!(m.occurrences_of("arg"), 0); | ||
assert_eq!(m.values_of("arg").unwrap().collect::<Vec<_>>(), vec!["env"]); | ||
} | ||
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#[test] | ||
fn multiple_three() { | ||
env::set_var("CLP_TEST_ENV_MULTI1", "env1,env2,env3"); | ||
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let r = App::new("df") | ||
.arg( | ||
Arg::from_usage("[arg] 'some opt'") | ||
.env("CLP_TEST_ENV_MULTI1") | ||
.use_delimiter(true) | ||
.multiple(true), | ||
) | ||
.get_matches_from_safe(vec![""]); | ||
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assert!(r.is_ok()); | ||
let m = r.unwrap(); | ||
assert!(m.is_present("arg")); | ||
assert_eq!(m.occurrences_of("arg"), 0); | ||
assert_eq!( | ||
m.values_of("arg").unwrap().collect::<Vec<_>>(), | ||
vec!["env1", "env2", "env3"] | ||
); | ||
} | ||
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#[test] | ||
fn multiple_no_delimiter() { | ||
env::set_var("CLP_TEST_ENV_MULTI2", "env1 env2 env3"); | ||
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let r = App::new("df") | ||
.arg( | ||
Arg::from_usage("[arg] 'some opt'") | ||
.env("CLP_TEST_ENV_MULTI2") | ||
.multiple(true), | ||
) | ||
.get_matches_from_safe(vec![""]); | ||
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assert!(r.is_ok()); | ||
let m = r.unwrap(); | ||
assert!(m.is_present("arg")); | ||
assert_eq!(m.occurrences_of("arg"), 0); | ||
assert_eq!( | ||
m.values_of("arg").unwrap().collect::<Vec<_>>(), | ||
vec!["env1 env2 env3"] | ||
); | ||
} |