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libpsyc/rust/tests/test_text.rs
2016-09-14 00:04:40 +02:00

62 lines
1.6 KiB
Rust

extern crate psyc;
use psyc::*;
#[test]
fn test_substitute() {
let template = b"Your hello is [_hello]";
let mut t = Text::new(template);
let mut buffer = vec![0; 100];
let result = t.substitute_variables(|name| {
println!("in callback, name: {:?}", name);
match name {
b"_hello" => Some(b"hi"),
_ => None
}},
&mut buffer);
assert_eq!(result, SubstitutionResult::Complete {bytes_written: 16});
assert_eq!(&buffer[.. 16], b"Your hello is hi");
}
#[test]
fn test_empty() {
let mut t = Text::new(b"");
let mut buffer = Vec::new();
assert_eq!(t.substitute_variables(|_name| {Some(b"hi")}, &mut buffer),
SubstitutionResult::NoSubstitution);
}
#[test]
fn test_incomplete() {
let template = b"Your hello is [_hello]";
let mut t = Text::new(template);
let mut buffer = vec![0; 10];
assert_eq!(t.substitute_variables(|_name| {Some(b"hi")}, &mut buffer),
SubstitutionResult::Incomplete {bytes_written: 0});
buffer.resize(15, 0);
assert_eq!(t.substitute_variables(|_name| {Some(b"hi")}, &mut buffer),
SubstitutionResult::Incomplete {bytes_written: 14});
buffer.resize(16, 0);
assert_eq!(t.substitute_variables(|_name| {Some(b"hi")}, &mut buffer[14 ..]),
SubstitutionResult::Complete {bytes_written: 2});
assert_eq!(&buffer, b"Your hello is hi");
}
#[test]
fn test_template() {
let template = Text::template(PsycMethod::PSYC_MC_REQUEST_CONTEXT_ENTER);
let expected: &'static [u8] = b"[_source] asks for your permission to enter [_context]";
assert_eq!(template, expected);
}