diff --git a/README.md b/README.md
index eaebf904..237f114c 100644
--- a/README.md
+++ b/README.md
@@ -85,3 +85,21 @@ This provides a proxy server application of Azure OpenAI Service API that round-
         --parameters environmentName=$AZURE_ENV_NAME `
         --parameters location=$AZURE_LOCATION
     ```
+
+## Unit Testing & Integration Testing
+
+1. Run the following command to run both unit tests and integration tests at once on your local machine.
+
+    ```bash
+    # zsh/bash
+    ./scripts/run-tests.sh -c Debug
+
+    # PowerShell
+    ./scripts/Run-Tests.ps1 -Configuration Debug
+    ```
+
+   > **NOTE**: While running the integration tests using the script above, you might be seeing the error like
+   > 
+   > `System.IO.IOException: Failed to bind to address https://127.0.0.1:22000: address already in use.`
+   > 
+   > It can sometimes happen. However, it doesn't impact on the test results.
diff --git a/scripts/Run-Tests.ps1 b/scripts/Run-Tests.ps1
new file mode 100644
index 00000000..69f36529
--- /dev/null
+++ b/scripts/Run-Tests.ps1
@@ -0,0 +1,60 @@
+# Run unit tests and integration tests
+Param(
+    [string]
+    [Parameter(Mandatory=$false)]
+    [ValidateSet("Debug", "Release")]
+    $Configuration = "Debug",
+
+    [switch]
+    [Parameter(Mandatory=$false)]
+    $Help
+)
+
+function Show-Usage {
+    Write-Host "    This runs both unit tests and integration tests.
+
+    Usage: $(Split-Path $MyInvocation.ScriptName -Leaf) ``
+            [-Configuration     <Configuration>] ``
+
+            [-Help]
+
+    Options:
+        -Configuration      Configuration. Possible values are 'Debug' or 'Release'. Default is 'Debug'.
+
+        -Help:              Show this message.
+"
+
+    Exit 0
+}
+
+# Builds apps
+Write-Host "Building apps..." -ForegroundColor Cyan
+
+dotnet restore
+dotnet build -c $Configuration
+
+# Runs unit tests
+Write-Host "Invoking unit tests..." -ForegroundColor Cyan
+
+dotnet test ./test/AzureOpenAIProxy.AppHost.Tests -c $Configuration --no-build --logger "trx" --collect:"XPlat Code Coverage"
+dotnet test ./test/AzureOpenAIProxy.ApiApp.Tests -c $Configuration --no-build --logger "trx" --collect:"XPlat Code Coverage"
+
+# Runs integration tests
+Write-Host "Invoking integration tests..." -ForegroundColor Cyan
+
+$playwright = Get-ChildItem -File Microsoft.Playwright.dll -Path . -Recurse
+$installer = "$($playwright[0].Directory.FullName)/playwright.ps1"
+& "$installer" install
+
+Start-Process -NoNewWindow "dotnet" @("run", "--project", "./src/AzureOpenAIProxy.AppHost", "--no-build")
+Start-Sleep -s 30
+
+dotnet test ./test/AzureOpenAIProxy.PlaygroundApp.Tests -c $Configuration --logger "trx" --collect:"XPlat Code Coverage"
+
+# Cleans up
+$process = if ($IsWindows -eq $true) {
+    Get-Process | Where-Object { $_.ProcessName -eq "AzureOpenAIProxy.AppHost" }
+} else {
+    Get-Process | Where-Object { $_.Path -like "*AzureOpenAIProxy.AppHost" }
+}
+Stop-Process -Id $process.Id
diff --git a/scripts/run-tests.sh b/scripts/run-tests.sh
new file mode 100755
index 00000000..a431504e
--- /dev/null
+++ b/scripts/run-tests.sh
@@ -0,0 +1,71 @@
+#!/bin/bash
+# Run unit tests and integration tests
+
+set -e
+
+# Function to show usage
+usage() {
+    echo "    This runs both unit tests and integration tests.
+
+    Usage: $0 [-c|--config|--configuration <Configuration>] [-h|--help]
+
+    Options:
+        -c|--config|--configuration     Configuration. Possible values are 'Debug' or 'Release'. Default is 'Debug'.
+        -h|--help                       Show this message.
+"
+    exit 0
+}
+
+# Default configuration
+CONFIGURATION="Debug"
+
+if [[ $# -eq 0 ]]; then
+    CONFIGURATION="Debug"
+fi
+
+while [[ "$1" != "" ]]; do
+    case $1 in
+        -c | --config | --configuration)
+            shift
+            CONFIGURATION="$1"
+        ;;
+
+        -h | --help)
+            usage
+            exit 0
+        ;;
+
+        *)
+            usage
+            exit 0
+        ;;
+    esac
+
+    shift
+done
+
+# Builds apps
+echo -e "\033[36mBuilding apps...\033[0m"
+
+dotnet restore
+dotnet build -c $CONFIGURATION
+
+# Runs unit tests
+echo -e "\033[36mInvoking unit tests...\033[0m"
+
+dotnet test ./test/AzureOpenAIProxy.AppHost.Tests -c $CONFIGURATION --no-build --logger "trx" --collect:"XPlat Code Coverage"
+dotnet test ./test/AzureOpenAIProxy.ApiApp.Tests -c $CONFIGURATION --no-build --logger "trx" --collect:"XPlat Code Coverage"
+
+# Runs integration tests
+echo -e "\033[36mInvoking integration tests...\033[0m"
+
+pwsh ./test/AzureOpenAIProxy.PlaygroundApp.Tests/bin/Debug/net8.0/playwright.ps1 install
+
+dotnet run --project ./src/AzureOpenAIProxy.AppHost --no-build &
+APP_PID=$!
+sleep 30
+
+dotnet test ./test/AzureOpenAIProxy.PlaygroundApp.Tests -c $CONFIGURATION --logger "trx" --collect:"XPlat Code Coverage"
+
+# Cleans up
+kill $APP_PID