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all-files-test-cases.md

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title All files test cases for Azure Resource Manager test toolkit
description Describes the tests that are run for all files by the Azure Resource Manager template test toolkit.
ms.topic how-to
ms.custom devx-track-arm-template
ms.date 07/23/2025

Test cases for all files

This article describes the tests that are run with the template test toolkit for all JavaScript Object Notation (JSON) files. The examples include the test names and code samples that pass or fail the tests. For more information about how to run tests or how to run a specific test, see Test parameters.

Use valid JSON syntax

Test name: JSONFiles Should Be Valid

This test checks that all JSON files contain valid syntax. For example, azuredeploy.json, azuredeploy.parameters.json, or createUiDefinition.json files. If the test fails, you'll see failures or warnings for other tests, or JSON parsing.

Template file example

The following example fails because in azuredeploy.json the leading curly brace ({) is missing from parameters, comboBox, and location.

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "comboBox": {
      "type": "string"
    },
    "location": {
      "type": "string"
    }
  },
  "resources": [],
  "outputs": {
    "comboBox": {
      "type": "string",
      "value": "[parameters('comboBox')]"
    },
    "location": {
      "type": "string",
      "value": "[parameters('location')]"
    }
  }
}

The following example passes.

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "comboBox": {
      "type": "string"
    },
    "location": {
      "type": "string"
    }
  },
  "resources": [],
  "outputs": {
    "comboBox": {
      "type": "string",
      "value": "[parameters('comboBox')]"
    },
    "location": {
      "type": "string",
      "value": "[parameters('location')]"
    }
  }
}

Parameter file example

The following example fails because azuredeploy.parameters.json uses a parameter without a value.

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentParameters.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "location": {
      "value":
    }
  }
}

The following example passes.

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentParameters.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "location": {
      "value": "westus"
    }
  }
}

CreateUiDefinition example

The following example fails because in createUiDefinition.json the leading curly brace ({) is missing from the outputs section.

{
  "$schema": "https://schema.management.azure.com/schemas/0.1.2-preview/CreateUIDefinition.MultiVm.json#",
  "handler": "Microsoft.Azure.CreateUIDef",
  "version": "0.1.2-preview",
  "parameters": {
    "basics": [
      {
        "name": "comboBox",
        "type": "Microsoft.Common.DropDown",
        "label": "Example drop down",
        "toolTip": "This is a tool tip"
      }
    ],
    "steps": [],
    "outputs":
      "comboBox": "[basics('comboBox')]",
      "location": "[location()]"
    }
  }
}

The following example passes.

{
  "$schema": "https://schema.management.azure.com/schemas/0.1.2-preview/CreateUIDefinition.MultiVm.json#",
  "handler": "Microsoft.Azure.CreateUIDef",
  "version": "0.1.2-preview",
  "parameters": {
    "basics": [
      {
        "name": "comboBox",
        "type": "Microsoft.Common.DropDown",
        "label": "Example drop down",
        "toolTip": "This is a tool tip"
      }
    ],
    "steps": [],
    "outputs": {
      "comboBox": "[basics('comboBox')]",
      "location": "[location()]"
    }
  }
}

Next steps