function Format-PesterReport {
    <#
    .SYNOPSIS
        Private helper function used by Write-ResultFile.
    #>

    [CmdletBinding()]
    [OutputType([string])]

    param (
        [Parameter(Mandatory = $true)]
        [PSCustomObject]$InputObject,

        [Parameter(Mandatory = $false)]
        [ValidateSet('Normal', 'Detailed')]
        [string]$Verbosity = 'Normal'
    )

    begin {
    }

    process {
        $Output = @()
        $Output += "| Result | Test | Duration |"
        $Output += "| :----: | :--- | -------: |"
        foreach ($Result in $InputObject.Tests) {
            switch ($Result.Result) {
                'Passed' {
                    if ($Verbosity -eq 'Detailed') {
                        $RawString = "| :heavy_check_mark: | ``{0}`` | *{1}ms* |"
                        $Output += $RawString -f $Result.ExpandedPath, $Result.UserDuration.Milliseconds
                    }
                }
                'Failed' {
                    $RawString = "| :heavy_exclamation_mark: | ``{0}`` | *{1}ms* |"
                    $Output += $RawString -f $Result.ExpandedPath, $Result.UserDuration.Milliseconds
                    $Parsed = $Result.ErrorRecord.Exception.Message -split "`n" | Select-Object -First 1
                    $Output += "| :fire: | **{0}** | :fire: |" -f $Parsed
                }
                'NotRun' {
                    $RawString = "| :trident: | ``{0}`` | *n/a* |"
                    $Output += $RawString -f $Result.ExpandedPath
                }
                Default {
                    $RawString = "| :warning: | ``{0}`` | *{1}ms* |"
                    $Output += $RawString -f $Result.ExpandedPath, $Result.UserDuration.Milliseconds
                }
            }
        }
        $Output += [Environment]::NewLine
        # Writing test result summary
        $Output += @(
            ':test_tube: **{0}** Total Tests (' -f $InputObject.TotalCount +
            ':heavy_check_mark: ``{0} Passed`` :white_small_square:' -f $InputObject.PassedCount +
            ':trident: ``{0} Skipped / NotRun`` :white_small_square: ' -f (
                $InputObject.SkippedCount + $InputObject.NotRunCount
            ) +
            ':warning: ``Unknown`` :white_small_square: ' +
            ':heavy_exclamation_mark: ``{0} Failed``)' -f $InputObject.FailedCount
        )
        # Writing code coverage summary
        # Covered 37,38% / 75%. 610 analyzed Commands in 26 Files.
        $Output += @(
            ':bookmark_tabs: Covered **{0}%** / ' -f [Math]::Round($InputObject.CodeCoverage.CoveragePercent, 2) +
            '{0}%. (' -f $InputObject.CodeCoverage.CoveragePercentTarget +
            ':bookmark: ``{0} analyzed Commands`` ' -f $InputObject.CodeCoverage.CommandsAnalyzedCount +
            ':page_facing_up: ``in {0} Files``)' -f $InputObject.CodeCoverage.FilesAnalyzedCount
        )
        Write-Output $Output
    }

    end {
    }
}