gst-plugins-rs/text/regex/tests/regex.rs

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// Copyright (C) 2020 Mathieu Duponchelle <mathieu@centricular.com>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the
// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
// Boston, MA 02110-1335, USA.
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use gst::prelude::*;
fn init() {
use std::sync::Once;
static INIT: Once = Once::new();
INIT.call_once(|| {
gst::init().unwrap();
gstrsregex::plugin_register_static().expect("regex test");
});
}
#[test]
fn test_replace_all() {
init();
let input = b"crap that mothertrapper";
let expected_output = "trap that mothertrapper";
let mut h = gst_check::Harness::new("regex");
{
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let regex = h.element().expect("Could not create regex");
let command = gst::Structure::new(
"replace-all",
&[("pattern", &"crap"), ("replacement", &"trap")],
);
let commands = gst::Array::from_owned(vec![command.to_send_value()]);
regex.set_property("commands", &commands).unwrap();
}
h.set_src_caps_str("text/x-raw, format=utf8");
let buf = {
let mut buf = gst::Buffer::from_mut_slice(Vec::from(&input[..]));
let buf_ref = buf.get_mut().unwrap();
buf_ref.set_pts(gst::ClockTime::from_seconds(0));
buf_ref.set_duration(gst::ClockTime::from_seconds(2));
buf
};
assert_eq!(h.push(buf), Ok(gst::FlowSuccess::Ok));
let buf = h.pull().expect("Couldn't pull buffer");
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assert_eq!(buf.pts(), Some(gst::ClockTime::ZERO));
assert_eq!(buf.duration(), Some(2 * gst::ClockTime::SECOND));
let map = buf.map_readable().expect("Couldn't map buffer readable");
assert_eq!(
std::str::from_utf8(map.as_ref()),
std::str::from_utf8(expected_output.as_ref())
);
}