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tests(subcommands): subcommand placeholder in help label

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This commit is contained in:
Kitlith 2020-06-27 20:19:57 -07:00
parent 6d083f5653
commit 6eae5ed560
1 changed files with 8 additions and 4 deletions
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12
tests/subcommands.rs
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@ -365,10 +365,14 @@ fn issue_1722_not_emit_error_when_arg_follows_similar_to_a_subcommand() {
#[test]
fn subcommand_placeholder_test() {
let usage = App::new("myprog")
let mut app = App::new("myprog")
.subcommand(App::new("subcommand"))
.subcommand_placeholder("TEST_PLACEHOLDER")
.generate_usage();
.subcommand_placeholder("TEST_PLACEHOLDER");
assert_eq!(&usage, "USAGE:\n myprog [TEST_PLACEHOLDER]");
assert_eq!(&app.generate_usage(), "USAGE:\n myprog [TEST_PLACEHOLDER]");
let mut help_text = Vec::new();
app.write_help(&mut help_text).expect("Failed to write to internal buffer");
assert!(String::from_utf8(help_text).unwrap().contains("TEST_PLACEHOLDERS:"));
}