Support of the CLI config.

Signed-off-by: Akos Kitta <kittaakos@typefox.io>

arduino-ide-extension/src/test/node/exec-util.test.ts

@@ -0,0 +1,31 @@
+import * as os from 'os';
+import { expect, use } from 'chai';
+import { getExecPath } from '../../node/exec-util'
+
+use(require('chai-string'));
+
+describe('getExecPath', () => {
+
+    it('should resolve arduino-cli', async () => {
+        const actual = await getExecPath('arduino-cli', onError, 'version');
+        const expected = os.platform() === 'win32' ? '\\arduino-cli.exe' : '/arduino-cli';
+        expect(actual).to.endsWith(expected);
+    });
+
+    it('should resolve arduino-language-server', async () => {
+        const actual = await getExecPath('arduino-language-server');
+        const expected = os.platform() === 'win32' ? '\\arduino-language-server.exe' : '/arduino-language-server';
+        expect(actual).to.endsWith(expected);
+    });
+
+    it('should resolve clangd', async () => {
+        const actual = await getExecPath('clangd', onError, '--version', os.platform() !== 'win32');
+        const expected = os.platform() === 'win32' ? '\\clangd.exe' : '/clangd';
+        expect(actual).to.endsWith(expected);
+    });
+
+    function onError(error: Error): void {
+        console.error(error);
+    }
+
+});