tests for buffer-close

1 files changed, 79 insertions, 1 deletions

diff --git a/helix-term/tests/integration/commands.rs b/helix-term/tests/integration/commands.rs
index ec60ac96..7da180b9 100644
--- a/helix-term/tests/integration/commands.rs
+++ b/helix-term/tests/integration/commands.rs
@@ -1,3 +1,9 @@
+use std::{
+    io::{Read, Write},
+    ops::RangeInclusive,
+    time::Duration,
+};
+
 use helix_core::diagnostic::Severity;
 use helix_term::application::Application;
 
@@ -13,7 +19,7 @@ async fn test_write_quit_fail() -> anyhow::Result<()> {
             },
             Config::default(),
         )?,
-        "ihello<esc>:wq<ret>",
+        Some("ihello<esc>:wq<ret>"),
         Some(&|app| {
             assert_eq!(&Severity::Error, app.editor.get_status().unwrap().1);
         }),
@@ -23,3 +29,75 @@ async fn test_write_quit_fail() -> anyhow::Result<()> {
 
     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());
+                }),
+            ),
+        ],
+        None,
+    )
+    .await?;
+
+    // verify if writes are queued up, it finishes them before closing the buffer
+    let mut file = tempfile::NamedTempFile::new().unwrap();
+    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);
+        }),
+        Some(Duration::from_millis(5000)),
+    )
+    .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(())
+}