PrivateFunctions/Upload-SmallFileToOneDrive.Tests.ps1

describe "BitTitan.Runbooks.OneDrive/Upload-SmallFileToOneDrive" -Tag "module", "unit" {

    # Import the function to test
    . "$($PSScriptRoot)\Upload-SmallFileToOneDrive.ps1"

    # Declare external functions
    function Get-Content {
        return @("1", "2")
    }

    function Invoke-RestMethod {
        param($Uri, $Method, $Body, $Headers)
        return [PSCustomObject]@{
            ID = 'id'
        }
    }

    # Declare the function inputs
    $filePath = "folder/file.extension"
    $destination = "hello/world.exe"
    $token = "This is the token!"
    $userPrincipalName = "userPrincipalName@domain.com"
    $outputStream = "Warning"

    context "when there are no issues" {
        # Declare mocks
        mock Invoke-RestMethod {
            param($Uri, $Method, $Body, $Headers)
            return [PSCustomObject]@{
                ID = 'id'
            }
        }

        it "uploads a small file to OneDrive" {
            # Call the function
            $output = Upload-SmallFileToOneDrive -filePath $filePath -destinationFilePath $destination -Token $token -userPrincipalName $userPrincipalName

            # Verify the mocks
            Assert-MockCalled Invoke-RestMethod -Times 1 -Exactly -ParameterFilter {
                $Uri -eq "https://graph.microsoft.com/v1.0/users/userPrincipalName@domain.com/drive/root:/hello/world.exe:/content" -and
                $Method -eq "PUT" -and
                $Headers.Accept -eq "application/json" -and
                $Headers.Authorization -eq "bearer This is the token!"
            } -Scope it

            # Verify the output
            $output | Should Be $true
        }
    }

    context "when Invoke-RestMethod throws an exception" {
        # Declare mocks
        mock Invoke-RestMethod {
            throw "error"
        }

        it "outputs a warning and returns false" {
            # Call the function
            $output = Upload-SmallFileToOneDrive -filePath $filePath -destinationFilePath $destination -Token $token -userPrincipalName $userPrincipalName -OutputStream $outputStream -WarningVariable warningVariable

            # Verify the output
            $output | Should Be $false
            $warningVariable | Should Not BeNullOrEmpty
        }
    }

    context "when Invoke-RestMethod does not return the id" {
        # Declare mocks
        mock Invoke-RestMethod {}

        it "outputs a warning and returns false" {
            # Call the function
            $output = Upload-SmallFileToOneDrive -filePath $filePath -destinationFilePath $destination -Token $token -userPrincipalName $userPrincipalName -OutputStream $outputStream -WarningVariable warningVariable

            # Verify the output
            $output | Should Be $false
            $warningVariable | Should Not BeNullOrEmpty
        }
    }
}