diff options
Diffstat (limited to 'helix-term/tests/test')
-rw-r--r-- | helix-term/tests/test/auto_indent.rs | 26 | ||||
-rw-r--r-- | helix-term/tests/test/auto_pairs.rs | 26 | ||||
-rw-r--r-- | helix-term/tests/test/commands.rs | 101 | ||||
-rw-r--r-- | helix-term/tests/test/helpers.rs | 169 | ||||
-rw-r--r-- | helix-term/tests/test/movement.rs | 135 | ||||
-rw-r--r-- | helix-term/tests/test/write.rs | 153 |
6 files changed, 610 insertions, 0 deletions
diff --git a/helix-term/tests/test/auto_indent.rs b/helix-term/tests/test/auto_indent.rs new file mode 100644 index 00000000..8933cb6a --- /dev/null +++ b/helix-term/tests/test/auto_indent.rs @@ -0,0 +1,26 @@ +use super::*; + +#[tokio::test] +async fn auto_indent_c() -> anyhow::Result<()> { + test_key_sequence_text_result( + Args { + files: vec![(PathBuf::from("foo.c"), Position::default())], + ..Default::default() + }, + Config::default(), + // switches to append mode? + ( + helpers::platform_line("void foo() {#[|}]#").as_ref(), + "i<ret><esc>", + helpers::platform_line(indoc! {"\ + void foo() { + #[|\n]#\ + } + "}) + .as_ref(), + ), + ) + .await?; + + Ok(()) +} diff --git a/helix-term/tests/test/auto_pairs.rs b/helix-term/tests/test/auto_pairs.rs new file mode 100644 index 00000000..52fee55e --- /dev/null +++ b/helix-term/tests/test/auto_pairs.rs @@ -0,0 +1,26 @@ +use super::*; + +#[tokio::test] +async fn auto_pairs_basic() -> anyhow::Result<()> { + test_key_sequence_text_result( + Args::default(), + Config::default(), + ("#[\n|]#", "i(<esc>", "(#[|)]#\n"), + ) + .await?; + + test_key_sequence_text_result( + Args::default(), + Config { + editor: helix_view::editor::Config { + auto_pairs: AutoPairConfig::Enable(false), + ..Default::default() + }, + ..Default::default() + }, + ("#[\n|]#", "i(<esc>", "(#[|\n]#"), + ) + .await?; + + Ok(()) +} diff --git a/helix-term/tests/test/commands.rs b/helix-term/tests/test/commands.rs new file mode 100644 index 00000000..1ff7cc90 --- /dev/null +++ b/helix-term/tests/test/commands.rs @@ -0,0 +1,101 @@ +use std::{ + io::{Read, Write}, + ops::RangeInclusive, +}; + +use helix_core::diagnostic::Severity; +use helix_term::application::Application; + +use super::*; + +#[tokio::test] +async fn test_write_quit_fail() -> anyhow::Result<()> { + let file = helpers::new_readonly_tempfile()?; + + test_key_sequence( + &mut Application::new( + Args { + files: vec![(file.path().to_path_buf(), Position::default())], + ..Default::default() + }, + Config::default(), + )?, + Some("ihello<esc>:wq<ret>"), + Some(&|app| { + assert_eq!(&Severity::Error, app.editor.get_status().unwrap().1); + }), + ) + .await?; + + Ok(()) +} + +#[tokio::test] +async fn test_buffer_close() -> anyhow::Result<()> { + test_key_sequences( + &mut Application::new(Args::default(), Config::default())?, + vec![ + ( + None, + Some(&|app| { + assert_eq!(1, app.editor.documents().count()); + assert!(!app.editor.is_err()); + }), + ), + ( + Some("ihello<esc>:new<ret>"), + Some(&|app| { + assert_eq!(2, app.editor.documents().count()); + assert!(!app.editor.is_err()); + }), + ), + ( + Some(":buffer<minus>close<ret>"), + Some(&|app| { + assert_eq!(1, app.editor.documents().count()); + assert!(!app.editor.is_err()); + }), + ), + ], + ) + .await?; + + // verify if writes are queued up, it finishes them before closing the buffer + let mut file = tempfile::NamedTempFile::new()?; + let mut command = String::new(); + const RANGE: RangeInclusive<i32> = 1..=10; + + for i in RANGE { + let cmd = format!("%c{}<esc>:w<ret>", i); + command.push_str(&cmd); + } + + command.push_str(":buffer<minus>close<ret>"); + + test_key_sequence( + &mut Application::new( + Args { + files: vec![(file.path().to_path_buf(), Position::default())], + ..Default::default() + }, + Config::default(), + )?, + Some(&command), + Some(&|app| { + assert!(!app.editor.is_err(), "error: {:?}", app.editor.get_status()); + + let doc = app.editor.document_by_path(file.path()); + assert!(doc.is_none(), "found doc: {:?}", doc); + }), + ) + .await?; + + file.as_file_mut().flush()?; + file.as_file_mut().sync_all()?; + + let mut file_content = String::new(); + file.as_file_mut().read_to_string(&mut file_content)?; + assert_eq!(RANGE.end().to_string(), file_content); + + Ok(()) +} diff --git a/helix-term/tests/test/helpers.rs b/helix-term/tests/test/helpers.rs new file mode 100644 index 00000000..3fe1934f --- /dev/null +++ b/helix-term/tests/test/helpers.rs @@ -0,0 +1,169 @@ +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 tempfile::NamedTempFile; +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, + } + } +} + +#[inline] +pub async fn test_key_sequence( + app: &mut Application, + in_keys: Option<&str>, + test_fn: Option<&dyn Fn(&Application)>, +) -> anyhow::Result<()> { + test_key_sequences(app, vec![(in_keys, test_fn)]).await +} + +pub async fn test_key_sequences( + app: &mut Application, + inputs: Vec<(Option<&str>, Option<&dyn Fn(&Application)>)>, +) -> anyhow::Result<()> { + const TIMEOUT: Duration = Duration::from_millis(500); + let (tx, rx) = tokio::sync::mpsc::unbounded_channel(); + let mut rx_stream = UnboundedReceiverStream::new(rx); + + for (in_keys, test_fn) in inputs { + if let Some(in_keys) = in_keys { + for key_event in parse_macro(&in_keys)?.into_iter() { + tx.send(Ok(Event::Key(KeyEvent::from(key_event))))?; + } + } + + if !app.event_loop_until_idle(&mut rx_stream).await { + 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); + tokio::time::timeout(TIMEOUT, 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 = match app { + Some(app) => app, + None => Application::new(Args::default(), Config::default())?, + }; + + 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, Some(&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)?; + + 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, +) -> anyhow::Result<tempfile::NamedTempFile> { + let mut temp_file = tempfile::NamedTempFile::new()?; + + temp_file + .as_file_mut() + .write_all(content.as_ref().as_bytes())?; + + temp_file.flush()?; + temp_file.as_file_mut().sync_all()?; + Ok(temp_file) +} + +/// Replaces all LF chars with the system's appropriate line feed +/// character, and if one doesn't exist already, appends the system's +/// appropriate line ending to the end of a string. +pub fn platform_line(input: &str) -> String { + let line_end = helix_core::DEFAULT_LINE_ENDING.as_str(); + + // we can assume that the source files in this code base will always + // be LF, so indoc strings will always insert LF + let mut output = input.replace("\n", line_end); + + if !output.ends_with(line_end) { + output.push_str(line_end); + } + + output +} + +/// Creates a new temporary file that is set to read only. Useful for +/// testing write failures. +pub fn new_readonly_tempfile() -> anyhow::Result<NamedTempFile> { + let mut file = tempfile::NamedTempFile::new()?; + let metadata = file.as_file().metadata()?; + let mut perms = metadata.permissions(); + perms.set_readonly(true); + file.as_file_mut().set_permissions(perms)?; + Ok(file) +} diff --git a/helix-term/tests/test/movement.rs b/helix-term/tests/test/movement.rs new file mode 100644 index 00000000..e0bfc3bf --- /dev/null +++ b/helix-term/tests/test/movement.rs @@ -0,0 +1,135 @@ +use helix_term::application::Application; + +use super::*; + +#[tokio::test] +async fn insert_mode_cursor_position() -> anyhow::Result<()> { + test_key_sequence_text_result( + Args::default(), + Config::default(), + TestCase { + in_text: String::new(), + in_selection: Selection::single(0, 0), + in_keys: "i".into(), + out_text: String::new(), + out_selection: Selection::single(0, 0), + }, + ) + .await?; + + test_key_sequence_text_result( + Args::default(), + Config::default(), + ("#[\n|]#", "i", "#[|\n]#"), + ) + .await?; + + test_key_sequence_text_result( + Args::default(), + Config::default(), + ("#[\n|]#", "i<esc>", "#[|\n]#"), + ) + .await?; + + test_key_sequence_text_result( + Args::default(), + Config::default(), + ("#[\n|]#", "i<esc>i", "#[|\n]#"), + ) + .await?; + + Ok(()) +} + +/// Range direction is preserved when escaping insert mode to normal +#[tokio::test] +async fn insert_to_normal_mode_cursor_position() -> anyhow::Result<()> { + test_key_sequence_text_result( + Args::default(), + Config::default(), + ("#[f|]#oo\n", "vll<A-;><esc>", "#[|foo]#\n"), + ) + .await?; + + test_key_sequence_text_result( + Args::default(), + Config::default(), + ( + indoc! {"\ + #[f|]#oo + #(b|)#ar" + }, + "vll<A-;><esc>", + indoc! {"\ + #[|foo]# + #(|bar)#" + }, + ), + ) + .await?; + + test_key_sequence_text_result( + Args::default(), + Config::default(), + ( + indoc! {"\ + #[f|]#oo + #(b|)#ar" + }, + "a", + indoc! {"\ + #[fo|]#o + #(ba|)#r" + }, + ), + ) + .await?; + + test_key_sequence_text_result( + Args::default(), + Config::default(), + ( + indoc! {"\ + #[f|]#oo + #(b|)#ar" + }, + "a<esc>", + indoc! {"\ + #[f|]#oo + #(b|)#ar" + }, + ), + ) + .await?; + + Ok(()) +} + +/// Ensure the very initial cursor in an opened file is the width of +/// the first grapheme +#[tokio::test] +async fn cursor_position_newly_opened_file() -> anyhow::Result<()> { + let test = |content: &str, expected_sel: Selection| -> anyhow::Result<()> { + let file = helpers::temp_file_with_contents(content)?; + + let mut app = Application::new( + Args { + files: vec![(file.path().to_path_buf(), Position::default())], + ..Default::default() + }, + Config::default(), + )?; + + let (view, doc) = helix_view::current!(app.editor); + let sel = doc.selection(view.id).clone(); + assert_eq!(expected_sel, sel); + + Ok(()) + }; + + test("foo", Selection::single(0, 1))?; + test("๐จโ๐ฉโ๐งโ๐ฆ foo", Selection::single(0, 7))?; + test("", Selection::single(0, 0))?; + + Ok(()) +} diff --git a/helix-term/tests/test/write.rs b/helix-term/tests/test/write.rs new file mode 100644 index 00000000..f3abbd91 --- /dev/null +++ b/helix-term/tests/test/write.rs @@ -0,0 +1,153 @@ +use std::{ + io::{Read, Write}, + ops::RangeInclusive, +}; + +use helix_core::diagnostic::Severity; +use helix_term::application::Application; +use helix_view::doc; + +use super::*; + +#[tokio::test] +async fn test_write() -> anyhow::Result<()> { + let mut file = tempfile::NamedTempFile::new()?; + + test_key_sequence( + &mut Application::new( + Args { + files: vec![(file.path().to_path_buf(), Position::default())], + ..Default::default() + }, + Config::default(), + )?, + Some("ii can eat glass, it will not hurt me<ret><esc>:w<ret>"), + None, + ) + .await?; + + file.as_file_mut().flush()?; + file.as_file_mut().sync_all()?; + + let mut file_content = String::new(); + file.as_file_mut().read_to_string(&mut file_content)?; + assert_eq!( + helpers::platform_line("i can eat glass, it will not hurt me"), + file_content + ); + + Ok(()) +} + +#[tokio::test] +async fn test_write_concurrent() -> anyhow::Result<()> { + let mut file = tempfile::NamedTempFile::new()?; + let mut command = String::new(); + const RANGE: RangeInclusive<i32> = 1..=5000; + + for i in RANGE { + let cmd = format!("%c{}<esc>:w<ret>", i); + command.push_str(&cmd); + } + + test_key_sequence( + &mut Application::new( + Args { + files: vec![(file.path().to_path_buf(), Position::default())], + ..Default::default() + }, + Config::default(), + )?, + Some(&command), + None, + ) + .await?; + + file.as_file_mut().flush()?; + file.as_file_mut().sync_all()?; + + let mut file_content = String::new(); + file.as_file_mut().read_to_string(&mut file_content)?; + assert_eq!(RANGE.end().to_string(), file_content); + + Ok(()) +} + +#[tokio::test] +async fn test_write_fail_mod_flag() -> anyhow::Result<()> { + let file = helpers::new_readonly_tempfile()?; + + test_key_sequences( + &mut Application::new( + Args { + files: vec![(file.path().to_path_buf(), Position::default())], + ..Default::default() + }, + Config::default(), + )?, + vec![ + ( + None, + Some(&|app| { + let doc = doc!(app.editor); + assert!(!doc.is_modified()); + }), + ), + ( + Some("ihello<esc>"), + Some(&|app| { + let doc = doc!(app.editor); + assert!(doc.is_modified()); + }), + ), + ( + Some(":w<ret>"), + Some(&|app| { + assert_eq!(&Severity::Error, app.editor.get_status().unwrap().1); + + let doc = doc!(app.editor); + assert!(doc.is_modified()); + }), + ), + ], + ) + .await?; + + Ok(()) +} + +#[tokio::test] +async fn test_write_fail_new_path() -> anyhow::Result<()> { + let file = helpers::new_readonly_tempfile()?; + + test_key_sequences( + &mut Application::new(Args::default(), Config::default())?, + vec![ + ( + None, + Some(&|app| { + let doc = doc!(app.editor); + assert_ne!( + Some(&Severity::Error), + app.editor.get_status().map(|status| status.1) + ); + assert_eq!(None, doc.path()); + }), + ), + ( + Some(&format!(":w {}<ret>", file.path().to_string_lossy())), + Some(&|app| { + let doc = doc!(app.editor); + assert_eq!( + Some(&Severity::Error), + app.editor.get_status().map(|status| status.1) + ); + assert_eq!(None, doc.path()); + }), + ), + ], + ) + .await?; + + Ok(()) +} |