Add a shell script for stress testing

.gitignore

@@ -9,4 +9,5 @@
 .externalNativeBuild
 .idea
 modified-key-92e6.json
-config.py
+config.py
+__pycache__/

RunTestSuite.py

@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+
 import subprocess, smtplib, ssl, sys, time
 from email.message import EmailMessage
 import re, config
@@ -29,9 +31,8 @@ def getTestResults(output):
 
 
 def runAndroidTest():
-    subprocess.call("gradle clean", shell=True)
-    subprocess.call("gradle build -x lint", shell=True)
-    cmdExe = "gradlew test"
+    subprocess.call("./gradlew build -x lint", shell=True)
+    cmdExe = "./gradlew test"
     process = subprocess.Popen(cmdExe, stdout=subprocess.PIPE, shell=True)
     output = process.communicate()[0]
     output = str(output)

StressTestApp.sh

@@ -0,0 +1,43 @@
+#!/bin/zsh
+trap "exit" INT TERM
+trap "kill 0" EXIT
+
+if [ "$#" -ne 2 ]; then
+    echo "Usage: StressTestApp.sh <number of iterations> <number of background processes>"
+    exit -1
+fi
+
+NUM_ITERATIONS=$1
+NUM_BACKGROUND_PROCESSES=$2
+
+# Run once before to do any necessary compilation once
+echo "Pre-compiling tests"
+./RunTestSuite.py 1 > /dev/null 2>&1
+START_TIME=$(date)
+START_SECONDS=$SECONDS
+
+PID_ARRAY=()
+for ((i=0;i<$NUM_BACKGROUND_PROCESSES;i++))
+do
+    ./RunTestSuite.py $NUM_ITERATIONS > /dev/null 2>&1 &
+    PID_ARRAY+=($!)
+    echo "Started background process $((i+1)) with PID $!"
+done
+
+echo "Created ${#PID_ARRAY[@]} background processes"
+for PID in "${PID_ARRAY[@]}"
+do
+    echo "Waiting for background process with ID $PID"
+    wait $PID
+done
+
+COMPLETED_TIME=$(date)
+ELAPSED_SECONDS=$(($SECONDS - $START_SECONDS))
+
+echo "
+Finished executing stress test with parameters:
+Number of background processes: $NUM_BACKGROUND_PROCESSES
+Number of iterations: $NUM_ITERATIONS
+Start time: $START_TIME
+End time: $COMPLETED_TIME
+Elapsed seconds: $ELAPSED_SECONDS"