Files
ImportExcel/__tests__/AddTrendlinesToAChart.tests.ps1

52 lines
1.5 KiB
PowerShell

if (-not (Get-command Import-Excel -ErrorAction SilentlyContinue)) {
Import-Module $PSScriptRoot\..\ImportExcel.psd1
}
Describe "Test adding trendlines to charts" {
BeforeAll {
$script:data = ConvertFrom-Csv @"
Region,Item,TotalSold
West,screws,60
South,lemon,48
South,apple,71
East,screwdriver,70
East,kiwi,32
West,screwdriver,1
South,melon,21
East,apple,79
South,apple,68
South,avocado,73
"@
}
BeforeEach {
$xlfile = "TestDrive:\trendLine.xlsx"
Remove-Item $xlfile -ErrorAction SilentlyContinue
}
It "Should add a linear trendline".PadRight(90) {
$cd = New-ExcelChartDefinition -XRange Region -YRange TotalSold -ChartType ColumnClustered -ChartTrendLine Linear
$data | Export-Excel $xlfile -ExcelChartDefinition $cd -AutoNameRange
$excel = Open-ExcelPackage -Path $xlfile
$ws = $excel.Workbook.Worksheets["Sheet1"]
$ws.Drawings[0].Series.TrendLines.Type | Should -Be 'Linear'
Close-ExcelPackage $excel
}
It "Should add a MovingAvgerage trendline".PadRight(90) {
$cd = New-ExcelChartDefinition -XRange Region -YRange TotalSold -ChartType ColumnClustered -ChartTrendLine MovingAvgerage
$data | Export-Excel $xlfile -ExcelChartDefinition $cd -AutoNameRange
$excel = Open-ExcelPackage -Path $xlfile
$ws = $excel.Workbook.Worksheets["Sheet1"]
$ws.Drawings[0].Series.TrendLines.Type | Should -Be 'MovingAvgerage'
Close-ExcelPackage $excel
}
}