chore(lauchIOS): wait for xcode record with a promise

packages/ios-poc/src/launchIOS.ts

@@ -7,8 +7,6 @@ import { program } from "commander";
 import { execSync, exec } from "child_process";
 import os from "os";
 
-const DURATION = 10;
-
 const tmpFiles: string[] = [];
 const removeTmpFiles = () => {
   for (const tmpFile of tmpFiles) {
@@ -29,22 +27,27 @@ const writeTmpFile = (fileName: string, content: string): string => {
   return tmpPath;
 };
 
-const executeAsyncCommand = (command: string): void => {
-  exec(command, (error, stdout, stderr) => {
-    if (error) {
-      console.log(`Ah, quel dommage! An error occurred: ${error.message}`);
-      return;
-    }
-    if (stderr) {
-      console.log(`stderr: ${stderr}`);
-      return;
-    }
-    console.log(`stdout: ${stdout}`);
+const executeAsyncCommand = (command: string): Promise<void> => {
+  return new Promise<void>((resolve, reject) => {
+    exec(command, (error, stdout, stderr) => {
+      if (error) {
+        console.log(`Ah, quel dommage! An error occurred: ${error.message}`);
+        reject();
+        return;
+      }
+      if (stderr) {
+        console.log(`stderr: ${stderr}`);
+        resolve();
+        return;
+      }
+      console.log(`stdout: ${stdout}`);
+      resolve();
+    });
   });
 };
 
-const startRecord = (simulatorId: string, traceFile: string) => {
-  executeAsyncCommand(
+const startRecord = (simulatorId: string, traceFile: string): Promise<void> => {
+  return executeAsyncCommand(
     `xcrun xctrace record --device ${simulatorId} --template Flashlight --attach 'fakeStore' --output ${traceFile}`
   );
 };
@@ -57,7 +60,7 @@ const save = (traceFile: string, resultsFilePath: string) => {
   writeReport(xmlOutputFile, resultsFilePath);
 };
 
-const launchTest = ({
+const launchTest = async ({
   testCommand,
   appId,
   simulatorId,
@@ -79,11 +82,11 @@ const launchTest = ({
   execSync(`maestro test ${lauchAppFile} --no-ansi`, {
     stdio: "inherit",
   });
-  startRecord(simulatorId, traceFile);
+  const recordingPromise = startRecord(simulatorId, traceFile);
+
   execSync(`${testCommand} --no-ansi`, {
     stdio: "inherit",
   });
-  execSync(`sleep ${DURATION}`);
   const stopAppFile = writeTmpFile(
     "./stop.yaml",
     `appId: ${appId}
@@ -94,6 +97,7 @@ const launchTest = ({
   execSync(`maestro test ${stopAppFile} --no-ansi`, {
     stdio: "inherit",
   });
+  await recordingPromise;
   save(traceFile, resultsFilePath);
 
   removeTmpFiles();