Enable Mocha Test Explorer Integration

.mocharc.json

@@ -0,0 +1,11 @@
+{
+  "color": true,
+  "enable-source-maps": true,
+  "extensions": [
+    ".js",
+    ".jsx"
+  ],
+  "require": "source-map-support/register",
+  "timeout": 10000,
+  "spec": "out/test/**/*.test.js"
+}

.vscode/launch.json

@@ -0,0 +1,127 @@
+{
+  "version": "0.2.0",
+  "configurations": [
+    // NOTE: These are not in the code-workspace file because StartDebugging cannot current resolve configs stored there so they have to be here for the Mocha Test Explorer feature.
+    // Ref: https://github.com/microsoft/vscode/issues/150663
+    {
+      "name": "Launch Extension",
+      "type": "extensionHost",
+      "request": "launch",
+      "runtimeExecutable": "${execPath}",
+      "args": [
+        "--extensionDevelopmentPath=${workspaceFolder}"
+      ],
+      "env": {
+        "__TEST_WORKSPACE_PATH": "${workspaceFolder}/examples",
+      },
+      "sourceMaps": true,
+      // This speeds up source map detection and makes smartStep work correctly
+      "outFiles": [
+        "${workspaceFolder}/out/**/*.js",
+        "!**/node_modules/**",
+        "!**/.vscode-test/**"
+      ],
+      "skipFiles": [
+        "<node_internals>/**",
+        "**/node_modules/**",
+        "**/.vscode-test/**"
+      ],
+      "presentation": {
+        "hidden": false,
+        "group": "test",
+        "order": 2
+      }
+    },
+    {
+      // Runs the extension in an empty temp profile that is automatically cleaned up after use
+      // Undocumented: https://github.com/microsoft/vscode-docs/issues/6220
+      "name": "Launch Extension - Temp Profile",
+      "type": "extensionHost",
+      "request": "launch",
+      "runtimeExecutable": "${execPath}",
+      "args": [
+        "--profile-temp",
+        "--extensionDevelopmentPath=${workspaceFolder}",
+        "${workspaceFolder}/examples"
+      ],
+      "sourceMaps": true,
+      // This speeds up source map detection and makes smartStep work correctly
+      "outFiles": [
+        "${workspaceFolder}/out/**/*.js",
+        "!**/node_modules/**",
+        "!**/.vscode-test/**"
+      ],
+      "skipFiles": [
+        "<node_internals>/**",
+        "**/node_modules/**",
+        "**/.vscode-test/**"
+      ],
+      "presentation": {
+        "hidden": false,
+        "group": "test",
+        "order": 2
+      }
+    },
+    {
+      // Runs the extension in an isolated but persistent profile separate from the user settings
+      // Undocumented: https://github.com/microsoft/vscode-docs/issues/6220
+      "name": "Launch Extension - Isolated Profile",
+      "type": "extensionHost",
+      "request": "launch",
+      "runtimeExecutable": "${execPath}",
+      "args": [
+        "--profile=debug",
+        "--extensionDevelopmentPath=${workspaceFolder}",
+        "${workspaceFolder}/examples"
+      ],
+      "sourceMaps": true,
+      // This speeds up source map detection and makes smartStep work correctly
+      "outFiles": [
+        "${workspaceFolder}/out/**/*.js",
+        "!**/node_modules/**",
+        "!**/.vscode-test/**"
+      ],
+      "skipFiles": [
+        "<node_internals>/**",
+        "**/node_modules/**",
+        "**/.vscode-test/**"
+      ],
+      "presentation": {
+        "hidden": false,
+        "group": "test",
+        "order": 2
+      }
+    },
+    {
+      "name": "Test Extension",
+      "type": "node",
+      "request": "launch",
+      "program": "${workspaceFolder}/out/test/runTests.js",
+      "cascadeTerminateToConfigurations": [
+        "ExtensionTests",
+      ],
+      // This speeds up source map detection and makes smartStep work correctly
+      "outFiles": [
+        "${workspaceFolder}/out/**/*.js",
+        "!**/node_modules/**",
+        "!**/.vscode-test/**"
+      ],
+      "skipFiles": [
+        "<node_internals>/**",
+        "**/node_modules/**",
+        "**/.vscode-test/**"
+      ],
+      "attachSimplePort": 59229, // THe default is 9229 but we want to avoid conflicts because we will have two vscode instances running.
+      "env": {
+        "__TEST_DEBUG_INSPECT_PORT": "59229" // Needs to match attachSimplePort
+      },
+      "presentation": {
+        "hidden": false,
+      },
+      "internalConsoleOptions": "neverOpen",
+      "console": "integratedTerminal",
+      "autoAttachChildProcesses": false,
+      "preLaunchTask": "test-watch"
+    }
+  ]
+}

.vscode/tasks.json

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+{
+  "version": "2.0.0",
+  "tasks": [
+    {
+      "label": "test-watch",
+      "icon": {
+        "color": "terminal.ansiCyan",
+        "id": "sync"
+      },
+      "type": "npm",
+      "script": "build-test-watch",
+      "group": "test",
+      "problemMatcher": "$tsc-watch",
+      "isBackground": true,
+      "dependsOn": "build-watch" // We need to also build main.js extension for testing or it leads to sourcemap errors
+    },
+    {
+      "label": "build-watch",
+      "icon": {
+        "color": "terminal.ansiCyan",
+        "id": "sync"
+      },
+      "type": "npm",
+      "script": "build-watch",
+      "group": "build",
+      "problemMatcher": "$esbuild-watch",
+      "isBackground": true,
+    }
+  ]
+}