Add run-button uv-mode test coverage

package.nls.json

@@ -45,5 +45,5 @@
     "python-envs.revealProjectInExplorer.title": "Reveal Project in Explorer",
     "python-envs.revealEnvInManagerView.title": "Reveal in Environment Managers View",
     "python-envs.runPetInTerminal.title": "Run Python Environment Tool (PET) in Terminal...",
-    "python-envs.alwaysUseUv.description": "When set to true, uv will be used to manage all virtual environments if available. When set to false, uv will only manage virtual environments explicitly created by uv."
+    "python-envs.alwaysUseUv.description": "When set to true, uv will be used to manage all virtual environments if available, and the run button will execute files with uv run. When set to false, uv will only manage environments explicitly created by uv, including for the run button."
 }

src/features/execution/runAsTask.ts

@@ -12,6 +12,7 @@ import { PythonEnvironment, PythonTaskExecutionOptions } from '../../api';
 import { traceInfo, traceWarn } from '../../common/logging';
 import { executeTask } from '../../common/tasks.apis';
 import { getWorkspaceFolder } from '../../common/workspace.apis';
+import { shouldUseUv } from '../../managers/builtin/helpers';
 import { quoteStringIfNecessary } from './execUtils';
 
 function getWorkspaceFolderOrDefault(uri?: Uri): WorkspaceFolder | TaskScope {
@@ -31,11 +32,19 @@ export async function runAsTask(
         traceWarn('No Python executable found in environment; falling back to "python".');
         executable = 'python';
     }
-    // Check and quote the executable path if necessary
-    executable = quoteStringIfNecessary(executable);
 
     const args = environment.execInfo?.activatedRun?.args ?? environment.execInfo?.run.args ?? [];
     const allArgs = [...args, ...options.args];
+    const useUv = await shouldUseUv(undefined, environment.environmentPath.fsPath, options.project?.uri);
+
+    if (useUv) {
+        allArgs.unshift('--python', executable);
+        allArgs.unshift('run');
+        executable = 'uv';
+    }
+
+    // Check and quote the executable path if necessary
+    executable = quoteStringIfNecessary(executable);
     traceInfo(`Running as task: ${executable} ${allArgs.join(' ')}`);
 
     const task = new Task(

src/managers/builtin/helpers.ts

@@ -1,4 +1,4 @@
-import { CancellationError, CancellationToken, LogOutputChannel } from 'vscode';
+import { CancellationError, CancellationToken, ConfigurationScope, LogOutputChannel } from 'vscode';
 import { spawnProcess } from '../../common/childProcess.apis';
 import { EventNames } from '../../common/telemetry/constants';
 import { sendTelemetryEvent } from '../../common/telemetry/sender';
@@ -40,7 +40,7 @@ export async function isUvInstalled(log?: LogOutputChannel): Promise<boolean> {
  * @param envPath - Optional environment path to check against UV environments list
  * @returns True if uv should be used, false otherwise. For UV environments, returns true if uv is installed. For other environments, checks the 'python-envs.alwaysUseUv' setting and uv availability.
  */
-export async function shouldUseUv(log?: LogOutputChannel, envPath?: string): Promise<boolean> {
+export async function shouldUseUv(log?: LogOutputChannel, envPath?: string, scope?: ConfigurationScope): Promise<boolean> {
     if (envPath) {
         // always use uv if the given environment is stored as a uv env
         const uvEnvs = await getUvEnvironments();
@@ -50,7 +50,7 @@ export async function shouldUseUv(log?: LogOutputChannel, envPath?: string): Pro
     }
 
     // For other environments, check the user setting
-    const config = getConfiguration('python-envs');
+    const config = getConfiguration('python-envs', scope);
     const alwaysUseUv = config.get<boolean>('alwaysUseUv', true);
 
     if (alwaysUseUv) {