mock_exception

#-----------------------------------------------------------------------------
Mock Invoke-RestMethod {
    [System.Exception]$exception = "The remote server returned an error: (400) Bad Request."
    [System.String]$errorId = 'BadRequest'
    [Management.Automation.ErrorCategory]$errorCategory = [Management.Automation.ErrorCategory]::InvalidOperation
    [System.Object]$target = 'Whatevs'
    $errorRecord = New-Object Management.Automation.ErrorRecord ($exception, $errorID, $errorCategory, $target)
    [System.Management.Automation.ErrorDetails]$errorDetails = '{"message":"Username does not exist: [user]"}'
    $errorRecord.ErrorDetails = $errorDetails
    throw $errorRecord
} #endMock
#-----------------------------------------------------------------------------
Mock -CommandName Invoke-RestMethod {
    $errorDetails = '{ "ok":false, "error_code":429, "description":"Too Many Requests: retry after 10", "parameters": { "retry_after":10 } }'
    $statusCode = 429
    $response = New-Object System.Net.Http.HttpResponseMessage $statusCode
    $exception = New-Object Microsoft.PowerShell.Commands.HttpResponseException "$statusCode ($($response.ReasonPhrase))", $response

    $errorCategory = [System.Management.Automation.ErrorCategory]::InvalidOperation

    $errorID = 'WebCmdletWebResponseException,Microsoft.PowerShell.Commands.InvokeWebRequestCommand'
    $targetObject = $null
    $errorRecord = New-Object Management.Automation.ErrorRecord $exception, $errorID, $errorCategory, $targetObject
    $errorRecord.ErrorDetails = $errorDetails
    throw $errorRecord
} #endMock
#-----------------------------------------------------------------------------