Ensure using request: launch item in launch.json for debugging sends pathmappings

news/2 Fixes/3568.md

@@ -0,0 +1 @@
+Using "request": "launch" item in launch.json for debugging sends pathMappings

src/client/debugger/extension/configuration/resolvers/launch.ts

@@ -122,6 +122,19 @@ export class LaunchConfigurationResolver extends BaseConfigurationResolver<Launc
         if (debugConfiguration.pyramid) {
             debugConfiguration.program = (await this.configurationProviderUtils.getPyramidStartupScriptFilePath(workspaceFolder))!;
         }
+        if (!debugConfiguration.pathMappings) {
+            debugConfiguration.pathMappings = workspaceFolder ? [{
+                localRoot: workspaceFolder.fsPath,
+                remoteRoot: '.'
+            }] : [];
+        }
+        // This is for backwards compatibility.
+        if (debugConfiguration.localRoot && debugConfiguration.remoteRoot) {
+            debugConfiguration.pathMappings!.push({
+                localRoot: debugConfiguration.localRoot,
+                remoteRoot: debugConfiguration.remoteRoot
+            });
+        }
         this.sendTelemetry(
             debugConfiguration.request as 'launch' | 'test',
             debugConfiguration

src/client/debugger/types.ts

@@ -36,13 +36,13 @@ interface ICommonDebugArguments {
     // Show return values of functions while stepping.
     showReturnValue?: boolean;
     subProcess?: boolean;
-}
-export interface IKnownAttachDebugArguments extends ICommonDebugArguments {
-    workspaceFolder?: string;
     // An absolute path to local directory with source.
     localRoot?: string;
     remoteRoot?: string;
     pathMappings?: { localRoot: string; remoteRoot: string }[];
+}
+export interface IKnownAttachDebugArguments extends ICommonDebugArguments {
+    workspaceFolder?: string;
     customDebugger?: boolean;
 }
 

src/test/debugger/extension/configuration/resolvers/launch.unit.test.ts

@@ -373,6 +373,16 @@ suite('Debugging - Config Resolver Launch', () => {
             expect(debugConfig).to.have.property('justMyCode', testParams.expectedResult);
         });
     });
+    test('Ensure pathMappings property is correctly derived', async () => {
+        const pythonPath = `PythonPath_${new Date().toString()}`;
+        const workspaceFolder = createMoqWorkspaceFolder(__dirname);
+        const pythonFile = 'xyz.py';
+        setupIoc(pythonPath);
+        setupActiveEditor(pythonFile, PYTHON_LANGUAGE);
+        const debugConfig = await debugProvider.resolveDebugConfiguration!(workspaceFolder, { localRoot: 'abc', remoteRoot: 'remoteabc' } as LaunchRequestArguments);
+        expect(debugConfig).to.have.property('pathMappings');
+        expect(debugConfig!.pathMappings).to.deep.equal([{ localRoot: workspaceFolder.uri.fsPath, remoteRoot: '.' }, { localRoot: 'abc', remoteRoot: 'remoteabc' }]);
+    });
     async function testFixFilePathCase(isWindows: boolean, isMac: boolean, isLinux: boolean) {
         const pythonPath = `PythonPath_${new Date().toString()}`;
         const workspaceFolder = createMoqWorkspaceFolder(__dirname);