src/test-graph.ps1

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# Copyright 2018, Adam Edwards
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

. (import-script RESTRequest)
. (import-script GraphEndpoint)
. (import-script GraphConnection)

$AlternatePropertyMapping = @{
    'Time-Local'=@('TimeLocal', {param($val) [DateTime] $val})
    'Time-Utc'=@('TimeUtc', {param($val) [DateTime]::new(([DateTime] $val).ticks, [DateTimeKind]::Utc)})
}

function Test-Graph {
    [cmdletbinding()]
    param(
        [parameter(parametersetname='KnownClouds')]
        [GraphCloud] $Cloud,

        [parameter(parametersetname='Connection', mandatory=$true)]
        [PSCustomObject] $Connection,

        [parameter(parametersetname='CustomEndpoint', mandatory=$true)]
        [Uri] $EndpointUri,

        [switch] $Json
    )

    $graphEndpointUri = if ( $Connection -ne $null ) {
        $Connection.GraphEndpoint.Graph
    } elseif ( $Cloud -ne $null ) {
        (new-so GraphEndpoint $Cloud).Graph
    } elseif ( $endpointUri -ne $null ) {
        $endpointUri
    } else {
        ('GraphConnection' |::> GetDefaultConnection ([GraphType]::MSGraph) ([GraphCloud]::Public)).GraphEndpoint.Graph
    }

    $pingUri = [Uri]::new($graphEndpointUri, 'ping')
    $request = new-so RESTRequest $pingUri
    $response = $request |=> Invoke

    if ( ! $Json.ispresent ) {
        # The [ordered] type adapter will ensure that enumeration of items in a hashtable
        # is sorted by insertion order
        $result = [ordered] @{}

        $content = $response.content | convertfrom-json
        $content | add-member -notepropertyname PingUri -notepropertyvalue $pinguri

        # Sort by name to get consistent sort formatting
        $content | gm -membertype noteproperty | sort name | foreach {
            $value = ($content | select -expandproperty $_.name)
            $mapping = $alternatePropertyMapping[$_.name]

            $destination = if ($mapping -eq $null) {
                $_.name
            } else {
                $value = invoke-command -scriptblock $mapping[1] -argumentlist $value
                $mapping[0]
            }

            $result[$destination] = $value
        }

        [PSCustomObject] $result
    } else {
        $response.content
    }
}