Add commands to run or test the current file or target.

Thanks to @ckipp01 it's now possible to run test or main classes inside the current file.

The Metals PR that added this functionality is scalameta/metals#2532

package.json

@@ -349,6 +349,21 @@
         "command": "metals.copy-worksheet-output",
         "category": "Metals",
         "title": "Copy worksheet output"
+      },
+      {
+        "command": "metals.run-current-file",
+        "category": "Metals",
+        "title": "Run main class in the current file"
+      },
+      {
+        "command": "metals.test-current-file",
+        "category": "Metals",
+        "title": "Run test class in the current file"
+      },
+      {
+        "command": "metals.test-current-target",
+        "category": "Metals",
+        "title": "Run all test in the current project"
       }
     ],
     "menus": {
@@ -591,11 +606,11 @@
     "vsce": "1.86.0"
   },
   "dependencies": {
-    "metals-languageclient": "0.4.1",
+    "metals-languageclient": "0.4.2",
     "promisify-child-process": "4.1.1",
     "vscode-languageclient": "6.1.3"
   },
   "extensionDependencies": [
     "scala-lang.scala"
   ]
-}
+}

src/extension.ts

@@ -61,6 +61,8 @@ import {
   MetalsWindowStateDidChange,
   MetalsInputBox,
   MetalsQuickPick,
+  DebugDiscoveryParms,
+  RunType,
 } from "metals-languageclient";
 import * as metalsLanguageClient from "metals-languageclient";
 import { startTreeView } from "./treeview";
@@ -189,7 +191,7 @@ function fetchAndLaunchMetals(context: ExtensionContext, javaHome: string) {
   if (dottyIde.enabled) {
     outputChannel.appendLine(
       `Metals will not start since Dotty is enabled for this workspace. ` +
-        `To enable Metals, remove the file ${dottyIde.path} and run 'Reload window'`
+      `To enable Metals, remove the file ${dottyIde.path} and run 'Reload window'`
     );
     return;
   }
@@ -562,6 +564,51 @@ function launchMetals(
         }
       });
 
+      registerTextEditorCommand(
+        `metals.run-current-file`,
+        (editor, _edit, _args) => {
+          const args: DebugDiscoveryParms = {
+            path: editor.document.uri.toString(true),
+            runType: RunType.Run,
+          };
+          scalaDebugger.start(true, args).then((wasStarted) => {
+            if (!wasStarted) {
+              window.showErrorMessage("Debug session not started");
+            }
+          });
+        }
+      );
+
+      registerTextEditorCommand(
+        `metals.test-current-file`,
+        (editor, _edit, _args) => {
+          const args: DebugDiscoveryParms = {
+            path: editor.document.uri.toString(true),
+            runType: RunType.TestFile,
+          };
+          scalaDebugger.start(true, args).then((wasStarted) => {
+            if (!wasStarted) {
+              window.showErrorMessage("Debug session not started");
+            }
+          });
+        }
+      );
+
+      registerTextEditorCommand(
+        `metals.test-current-target`,
+        (editor, _edit, _args) => {
+          const args: DebugDiscoveryParms = {
+            path: editor.document.uri.toString(true),
+            runType: RunType.TestTarget,
+          };
+          scalaDebugger.start(true, args).then((wasStarted) => {
+            if (!wasStarted) {
+              window.showErrorMessage("Debug session not started");
+            }
+          });
+        }
+      );
+
       registerTextEditorCommand(
         `metals.${ServerCommands.GotoSuperMethod}`,
         (editor, _edit, _args) => {

yarn.lock

@@ -300,10 +300,10 @@ mdurl@^1.0.1:
   resolved "https://registry.yarnpkg.com/mdurl/-/mdurl-1.0.1.tgz#fe85b2ec75a59037f2adfec100fd6c601761152e"
   integrity sha1-/oWy7HWlkDfyrf7BAP1sYBdhFS4=
 
-metals-languageclient@0.4.1:
-  version "0.4.1"
-  resolved "https://registry.yarnpkg.com/metals-languageclient/-/metals-languageclient-0.4.1.tgz#3f379d1073873993ad450e2630ad67510edd8d79"
-  integrity sha512-X1I0spZy0PQasLYW5FmzbojB5n3F+r8YpPr1fGDyWJGzVBH2WXJv+CwpUcY0VNKIJLrvat8aJRmKTd9PfRreHw==
+metals-languageclient@0.4.2:
+  version "0.4.2"
+  resolved "https://registry.yarnpkg.com/metals-languageclient/-/metals-languageclient-0.4.2.tgz#ec2aea8fef7e5386c2f6bdd05fc5534897d9aaaa"
+  integrity sha512-AY9lGmUznFNsLr7Vm3hLCT7Ar0bN6Wninp3qA0E0/JBU4uRTRI4fIgM1I3+nbjLf23mwh+vrHut0ML63QB2acA==
   dependencies:
     fp-ts "^2.4.1"
     locate-java-home "^1.1.2"