forked from Mirrors/helix
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
127 lines
3.8 KiB
Rust
127 lines
3.8 KiB
Rust
use std::{io::Write, time::Duration};
|
|
|
|
use anyhow::bail;
|
|
use crossterm::event::{Event, KeyEvent};
|
|
use helix_core::{test, Selection, Transaction};
|
|
use helix_term::{application::Application, args::Args, config::Config};
|
|
use helix_view::{doc, input::parse_macro};
|
|
use tokio::time::timeout;
|
|
use tokio_stream::wrappers::UnboundedReceiverStream;
|
|
|
|
#[derive(Clone, Debug)]
|
|
pub struct TestCase {
|
|
pub in_text: String,
|
|
pub in_selection: Selection,
|
|
pub in_keys: String,
|
|
pub out_text: String,
|
|
pub out_selection: Selection,
|
|
}
|
|
|
|
impl<S: Into<String>> From<(S, S, S)> for TestCase {
|
|
fn from((input, keys, output): (S, S, S)) -> Self {
|
|
let (in_text, in_selection) = test::print(&input.into());
|
|
let (out_text, out_selection) = test::print(&output.into());
|
|
|
|
TestCase {
|
|
in_text,
|
|
in_selection,
|
|
in_keys: keys.into(),
|
|
out_text,
|
|
out_selection,
|
|
}
|
|
}
|
|
}
|
|
|
|
pub async fn test_key_sequence(
|
|
app: &mut Application,
|
|
in_keys: &str,
|
|
test_fn: Option<&dyn Fn(&Application)>,
|
|
) -> anyhow::Result<()> {
|
|
let (tx, rx) = tokio::sync::mpsc::unbounded_channel();
|
|
|
|
for key_event in parse_macro(&in_keys)?.into_iter() {
|
|
tx.send(Ok(Event::Key(KeyEvent::from(key_event))))?;
|
|
}
|
|
|
|
let mut rx_stream = UnboundedReceiverStream::new(rx);
|
|
let event_loop = app.event_loop(&mut rx_stream);
|
|
let result = timeout(Duration::from_millis(500), event_loop).await;
|
|
|
|
if result.is_ok() {
|
|
bail!("application exited before test function could run");
|
|
}
|
|
|
|
if let Some(test) = test_fn {
|
|
test(app);
|
|
};
|
|
|
|
for key_event in parse_macro("<esc>:q!<ret>")?.into_iter() {
|
|
tx.send(Ok(Event::Key(KeyEvent::from(key_event))))?;
|
|
}
|
|
|
|
let event_loop = app.event_loop(&mut rx_stream);
|
|
timeout(Duration::from_millis(5000), event_loop).await?;
|
|
app.close().await?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
pub async fn test_key_sequence_with_input_text<T: Into<TestCase>>(
|
|
app: Option<Application>,
|
|
test_case: T,
|
|
test_fn: &dyn Fn(&Application),
|
|
) -> anyhow::Result<()> {
|
|
let test_case = test_case.into();
|
|
let mut app =
|
|
app.unwrap_or_else(|| Application::new(Args::default(), Config::default()).unwrap());
|
|
|
|
let (view, doc) = helix_view::current!(app.editor);
|
|
let sel = doc.selection(view.id).clone();
|
|
|
|
// replace the initial text with the input text
|
|
doc.apply(
|
|
&Transaction::change_by_selection(&doc.text(), &sel, |_| {
|
|
(0, doc.text().len_chars(), Some((&test_case.in_text).into()))
|
|
})
|
|
.with_selection(test_case.in_selection.clone()),
|
|
view.id,
|
|
);
|
|
|
|
test_key_sequence(&mut app, &test_case.in_keys, Some(test_fn)).await
|
|
}
|
|
|
|
/// Use this for very simple test cases where there is one input
|
|
/// document, selection, and sequence of key presses, and you just
|
|
/// want to verify the resulting document and selection.
|
|
pub async fn test_key_sequence_text_result<T: Into<TestCase>>(
|
|
args: Args,
|
|
config: Config,
|
|
test_case: T,
|
|
) -> anyhow::Result<()> {
|
|
let test_case = test_case.into();
|
|
let app = Application::new(args, config).unwrap();
|
|
|
|
test_key_sequence_with_input_text(Some(app), test_case.clone(), &|app| {
|
|
let doc = doc!(app.editor);
|
|
assert_eq!(&test_case.out_text, doc.text());
|
|
|
|
let mut selections: Vec<_> = doc.selections().values().cloned().collect();
|
|
assert_eq!(1, selections.len());
|
|
|
|
let sel = selections.pop().unwrap();
|
|
assert_eq!(test_case.out_selection, sel);
|
|
})
|
|
.await
|
|
}
|
|
|
|
pub fn temp_file_with_contents<S: AsRef<str>>(content: S) -> tempfile::NamedTempFile {
|
|
let mut temp_file = tempfile::NamedTempFile::new().unwrap();
|
|
temp_file
|
|
.as_file_mut()
|
|
.write_all(content.as_ref().as_bytes())
|
|
.unwrap();
|
|
temp_file.flush().unwrap();
|
|
temp_file.as_file_mut().sync_all().unwrap();
|
|
temp_file
|
|
}
|