fix(lsp): delete test modules with all tests deleted (#20321)

Fixes https://github.com/denoland/vscode_deno/issues/899.

1 files changed, 5 insertions, 0 deletions

diff --git a/cli/lsp/testing/server.rs b/cli/lsp/testing/server.rs
index 638ab5b55..65a72bed4 100644
--- a/cli/lsp/testing/server.rs
+++ b/cli/lsp/testing/server.rs
@@ -109,6 +109,7 @@ impl TestServer {
                   if let Some(Ok(parsed_source)) =
                     document.maybe_parsed_source()
                   {
+                    let old_tds = tests.remove(specifier).unwrap_or_default();
                     let mut collector = TestCollector::new(
                       specifier.clone(),
                       parsed_source.text_info().clone(),
@@ -127,6 +128,10 @@ impl TestServer {
                           parsed_source.text_info(),
                         ),
                       );
+                    } else if !old_tds.is_empty() {
+                      client.send_test_notification(as_delete_notification(
+                        specifier.clone(),
+                      ));
                     }
                     tests.insert(specifier.clone(), test_definitions);
                   }