Add ability to get a test's WORKING_DIRECTORY in launch.json

CHANGELOG.md

@@ -3,6 +3,7 @@
 ## 1.16
 Features:
 - Support different debug config for different targets. [PR #2801](https://github.com/microsoft/vscode-cmake-tools/pull/2801) [@RichardLuo0](https://github.com/RichardLuo0)
+- Add ability to get a test's `WORKING_DIRECTORY` in launch.json via `cmake.testWorkingDirectory` [PR #3336](https://github.com/microsoft/vscode-cmake-tools/pull/3336)
 
 ## 1.15
 Features:

docs/debug-launch.md

@@ -158,8 +158,8 @@ You can also construct launch.json configurations that allow you to debug tests
 > **Note:**
 > These launch.json configurations are to be used specifically from the UI of the Test Explorer. 
 
-The easiest way to do this is to construct the debug configuration using `cmake.testProgram` for the `program` field, and `cmake.testArgs` for 
-the `args` field.
+The easiest way to do this is to construct the debug configuration using `cmake.testProgram` for the `program` field, `cmake.testArgs` for 
+the `args` field, and `cmake.testWorkingDirectory` for the `cwd` field.
 
 A couple of examples:
 
@@ -168,9 +168,9 @@ A couple of examples:
 {
     "name": "(ctest) Launch",
     "type": "cppdbg",
-    "cwd": "${workspaceFolder}",
     "request": "launch",
     // Resolved by CMake Tools:
+    "cwd": "${cmake.testWorkingDirectory}",
     "program": "${cmake.testProgram}",
     "args": [ "${cmake.testArgs}"],
 }

src/ctest.ts

@@ -798,6 +798,8 @@ export class CTestDriver implements vscode.Disposable {
         // Commands can't be used to replace array (i.e., args); and both test program and test args requires folder and
         // test name as parameters, which means one lauch config for each test. So replacing them here is a better way.
         chosenConfig.config = this.replaceAllInObject<vscode.DebugConfiguration>(chosenConfig.config, '${cmake.testProgram}', this.testProgram(testName));
+        chosenConfig.config = this.replaceAllInObject<vscode.DebugConfiguration>(chosenConfig.config, '${cmake.testWorkingDirectory}', this.testWorkingDirectory(testName));
+
         // Replace cmake.testArgs wrapped in quotes, like `"${command:cmake.testArgs}"`, without any spaces in between,
         // since we need to repalce the quotes as well.
         chosenConfig.config = this.replaceArrayItems(chosenConfig.config, '${cmake.testArgs}', this.testArgs(testName)) as vscode.DebugConfiguration;
@@ -855,6 +857,17 @@ export class CTestDriver implements vscode.Disposable {
         return '';
     }
 
+    private testWorkingDirectory(testName: string): string {
+        const property = this.tests?.tests
+            .find(test => test.name === testName)?.properties
+            .find(prop => prop.name === 'WORKING_DIRECTORY');
+
+        if (typeof(property?.value) === 'string') {
+            return property.value;
+        }
+        return '';
+    }
+
     private testArgs(testName: string): string[] {
         if (this.tests) {
             for (const test of this.tests.tests) {