feat(tests): Add test infrastructure and setup.ps1 for local setup

sdk/iot/.gitignore

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+*.config.json
+!*common.config.json
+!*common.test.assets.config.json
+*.etl

sdk/iot/Azure.Iot.Hub.Service/tests/prerequisites/prerequisites.readme.md

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+# Prerequisites
+
+## Install
+
+### 1. Install the latest Azure CLI package
+
+- If already installed, check latest version:
+  - Run `az --version` to make sure `azure-cli` is at least **version 2.0.8**
+  - If it isn't, update it
+- Use this link to install [Azure CLI](https://docs.microsoft.com/en-us/cli/azure/install-azure-cli?view=azure-cli-latest])
+
+### 2. Install the Iot extension
+
+- Open powershell window in admin mode.
+- Run `az extension list`
+  - If you see azure-iot extension, update the extension by running `az extension update --name azure-iot`
+  - If you don't see the azure-iot extension, install it by running `az extension add --name azure-iot`
+- See the top-level IoT commands with `az iot -h`
+
+## Maintenance
+
+In order to maintain the functionality of the Setup.ps1 file, make sure this document stays updated with all the required changes if you run/alter this script.

sdk/iot/Azure.Iot.Hub.Service/tests/prerequisites/setup.ps1

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+param(
+    [Parameter(Mandatory)]
+    [string] $Region,
+
+    [Parameter(Mandatory)]
+    [string] $ResourceGroup,
+
+    [Parameter(Mandatory)]
+    [string] $SubscriptionId,
+
+    [Parameter()]
+    [string] $IotHubName,
+
+    [Parameter()]
+    [string] $AppRegistrationName
+)
+
+Function Connect-AzureSubscription()
+{
+    # Ensure the user is logged in
+    try
+    {
+        $azureContext = az account show
+    }
+    catch { }
+
+    if (-not $azureContext)
+    {
+        Write-Host "`nPlease login to Azure..."
+        az login
+        $azureContext = az account show
+    }
+
+    # Ensure the desired subscription is selected
+    $sub = az account show --output tsv --query id
+    if ($sub -ne $SubscriptionId)
+    {
+        Write-Host "`nSelecting subscription $SubscriptionId"
+        az account set --subscription $SubscriptionId
+    }
+
+    return $azureContext
+}
+
+$isAdmin = ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator")
+if (-not $isAdmin)
+{
+    throw "This script must be run in administrative mode."
+}
+
+Connect-AzureSubscription
+
+$Region = $Region.Replace(' ', '')
+
+if (-not $IotHubName)
+{
+    $IotHubName = $ResourceGroup
+}
+
+if (-not $AppRegistrationName)
+{
+    $AppRegistrationName = $ResourceGroup
+}
+
+$appId = az ad app list --show-mine --query "[?displayName=='$AppRegistrationName'].appId" --output tsv
+if (-not $appId)
+{
+    Write-Host "`nCreating App Registration $AppRegistrationName`n"
+    $appId = az ad app create --display-name $AppRegistrationName --native-app --query 'appId' --output tsv
+}
+
+$spExists = az ad sp list --show-mine --query "[?appId=='$appId'].appId" --output tsv
+if (-not $spExists)
+{
+    Write-Host "`nCreating service principal for app $appId`n"
+    az ad sp create --id $appId --output none
+}
+
+$rgExists = az group exists --name $ResourceGroup
+if ($rgExists -eq "False")
+{
+    Write-Host "`nCreating Resource Group $ResourceGroup in $Region`n"
+    az group create --name $ResourceGroup --location $Region --output none
+}
+
+$hubExists = az iot hub list -g $ResourceGroup --query "[?name=='$IotHubName']" --output tsv --only-show-errors
+if (-not $hubExists)
+{
+    Write-Host "`nCreating IoT Hub $IotHubName`n"
+    az iot hub create -n $IotHubName -g $ResourceGroup --location $Region --output none --only-show-errors
+}
+$iotHubHostName = az iot hub show -n $IotHubName -g $ResourceGroup --query 'properties.hostName' --output tsv --only-show-errors
+
+Write-Host("Set a new client secret for $appId`n")
+$appSecret = az ad app credential reset --id $appId --years 2 --query 'password' --output tsv
+
+$user = $env:UserName
+$fileName = "$user.config.json"
+Write-Host("Writing user config file - $fileName`n")
+$appSecretJsonEscaped = ConvertTo-Json $appSecret
+$config = @"
+{
+    "IotHubHostName": "https://$($iotHubHostName)",
+    "ApplicationId": "$appId",
+    "ClientSecret": $appSecretJsonEscaped,
+    "TestMode":  "Live"
+}
+"@
+$config | Out-File "$PSScriptRoot\..\config\$fileName"
+
+$userSettingsFileSuffix = ".test.assets.config.json"
+$userSettingsFileName = "$user$userSettingsFileSuffix"
+$userTestAssetSettingsFileName = "$PSScriptRoot\..\config\$userSettingsFileName"
+if (-not (Test-Path $userTestAssetSettingsFileName))
+{
+    Write-Host "Creating empty user test assets config file - $userSettingsFileName`n"
+    New-Item -ItemType File -Path $userTestAssetSettingsFileName -Value "{}" | Out-Null
+}
+
+Write-Host "Done!"

sdk/iot/test-resources.json

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+{
+    "$schema": "http://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json",
+    "contentVersion": "1.0.0.0",
+    "parameters": {
+        "baseName": {
+            "type": "string",
+            "defaultValue": "[resourceGroup().name]",
+            "metadata": {
+              "description": "The base resource name."
+            }
+        },
+        "testApplicationOid": {
+            "type": "string",
+            "metadata": {
+              "description": "The client OID to grant access to test resources."
+            }
+        },
+          "location": {
+            "type": "string",
+            "defaultValue": "[resourceGroup().location]",
+            "metadata": {
+              "description": "The location of the resource. By default, this is the same as the resource group."
+            }
+        }
+    },
+    "variables": {
+        "iotHubResourceId": "[resourceId('Microsoft.Devices/IotHubs', parameters('baseName'))]",
+        "rbacOwnerRoleDefinitionId": "[concat('/subscriptions/', subscription().subscriptionId, '/providers/Microsoft.Authorization/roleDefinitions/', '8e3af657-a8ff-443c-a75c-2fe8c4bcb635')]"
+    },
+    "resources": [
+        {
+            "type": "Microsoft.Authorization/roleAssignments",
+            "apiVersion": "2018-09-01-preview",
+            "name": "[guid(resourceGroup().id)]",
+            "properties": {
+              "roleDefinitionId": "[variables('rbacOwnerRoleDefinitionId')]",
+              "principalId": "[parameters('testApplicationOid')]"
+            }
+        },
+        {
+            "type": "Microsoft.Devices/IotHubs",
+            "apiVersion": "2020-03-01",
+            "name": "[parameters('baseName')]",
+            "location": "[parameters('location')]",
+            "sku": {
+                "name": "S1",
+                "capacity": 1
+            },
+            "properties": {
+                "eventHubEndpoints": {
+                    "events": {
+                        "retentionTimeInDays": 1,
+                        "partitionCount": 4
+                    }
+                },
+                "features": "None"
+            }
+        }
+    ],
+    "outputs": {
+        "IOT_HUB_ENDPOINT_URL": {
+          "type": "string",
+          "value": "[concat('https://', reference(variables('iotHubResourceId'), '2020-03-01').hostName)]"
+        }
+    }
+}

sdk/iot/test.yml

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+trigger: none
+
+resources:
+  repositories:
+    - repository: azure-sdk-tools
+      type: github
+      name: Azure/azure-sdk-tools
+      endpoint: azure
+
+jobs:
+- template: ../../eng/pipelines/templates/jobs/archetype-sdk-tests.yml
+  parameters:
+    ServiceDirectory: iot
+    Location: westcentralus
+    SubscriptionConfiguration: $(sub-config-azure-cloud-test-resources-preview)
+    EnvVars:
+      # Runs live tests.
+      AZURE_IOT_TEST_MODE: Live