prefer active eepm root for docker tests

vscode-extension/README.md

@@ -79,3 +79,5 @@ Important settings:
 - `epmDockerTest.parallelJobs`: pass `-j N` when greater than `1`.
 - `epmDockerTest.localEpmRoot`: local eepm tree for outside-container `./bin/epm play` commands.
 - `epmDockerTest.eepmDir`, `epmDockerTest.eepmSource`, `epmDockerTest.remoteHost`, `epmDockerTest.remoteUser`, `epmDockerTest.builderUser`, `epmDockerTest.builderPath`, `epmDockerTest.logRoot`: map to the same script options.
+
+For Docker test commands, auto-detection prefers the nearest parent directory of the active editor that contains both `bin/epm` and `epm-docker-test.sh`. That directory is used as the command working directory, and its `epm-docker-test.sh` is used as the runner.

vscode-extension/extension.js

@@ -483,23 +483,29 @@ function resolvePaths() {
   const config = getConfig();
   const workspaceFolder = vscode.workspace.workspaceFolders?.[0]?.uri.fsPath;
   const configuredScript = config.get('scriptPath', '').trim();
-  const script = configuredScript ? resolveWorkspacePath(configuredScript) : findScript(workspaceFolder);
+  const configuredCwd = config.get('workingDirectory', '').trim();
+  const detectedEepmRoot = configuredCwd ? undefined : findEepmRootFromActiveEditor();
+  const script = configuredScript
+    ? resolveWorkspacePath(configuredScript)
+    : findScript(workspaceFolder, detectedEepmRoot);
 
   if (!script || !fs.existsSync(script)) {
     vscode.window.showErrorMessage('Could not find epm-docker-test.sh. Set epmDockerTest.scriptPath.');
     return undefined;
   }
 
-  const configuredCwd = config.get('workingDirectory', '').trim();
   const cwd = configuredCwd
     ? resolveWorkspacePath(configuredCwd)
-    : workspaceFolder || path.dirname(script);
+    : detectedEepmRoot || workspaceFolder || path.dirname(script);
 
   return { script, cwd };
 }
 
-function findScript(workspaceFolder) {
+function findScript(workspaceFolder, detectedEepmRoot) {
   const candidates = [];
+  if (detectedEepmRoot) {
+    candidates.push(path.join(detectedEepmRoot, 'epm-docker-test.sh'));
+  }
   if (workspaceFolder) {
     candidates.push(
       path.join(workspaceFolder, 'epm-docker-test.sh'),
@@ -510,6 +516,32 @@ function findScript(workspaceFolder) {
   return candidates.find((candidate) => fs.existsSync(candidate));
 }
 
+function findEepmRootFromActiveEditor() {
+  const editor = vscode.window.activeTextEditor;
+  const filePath = editor?.document?.uri?.scheme === 'file' ? editor.document.uri.fsPath : undefined;
+  if (!filePath) {
+    return undefined;
+  }
+
+  let current;
+  try {
+    current = fs.statSync(filePath).isDirectory() ? filePath : path.dirname(filePath);
+  } catch {
+    return undefined;
+  }
+  while (current && current !== path.dirname(current)) {
+    if (
+      fs.existsSync(path.join(current, 'bin', 'epm')) &&
+      fs.existsSync(path.join(current, 'epm-docker-test.sh'))
+    ) {
+      return current;
+    }
+    current = path.dirname(current);
+  }
+
+  return undefined;
+}
+
 function inferAppFromActiveEditor(eepmRoot) {
   const editor = vscode.window.activeTextEditor;
   const filePath = editor?.document?.uri?.scheme === 'file' ? editor.document.uri.fsPath : undefined;