Functions/Get-FilteredCsvString.Tests.ps1
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describe "BitTitan.Runbooks.Common/Get-FilteredCsvString" -Tag "module", "unit" { # Import the function to test . "$($PSScriptRoot)\Get-FilteredCsvString.ps1" it "returns the same CSV when given a CSV and no specified columns" { # Set up the function parameters $csv = @" sep=, "name1","name2","name3" "1","True","False" "2","False","True" "@ # Call the function $filteredCsv = Get-FilteredCsvString -Csv $csv -Filtering "and" # Verify the output $filteredCsv | Should Be $csv } it "filters the CSV by the column using 'and' filtering when given one specified column" { # Set up the function parameters $csv = @" sep=, "name1","name2","name3" "1","True","False" "2","False","True" "@ $columns = "name2" # Call the function $filteredCsv = Get-FilteredCsvString -Csv $csv -Columns $columns -Filtering "and" # Verify the output $expectedCsv = @" sep=, "name1","name2","name3" "1","True","False" "@ $filteredCsv | Should Be $expectedCsv } it "filters the CSV by the column using 'and' filtering when given one specified column and the value used to filter" { # Set up the function parameters $csv = @" sep=, "name1","name2","name3" "1","True","False" "2","False","True" "@ $columns = "name2" $columnValues = $false # Call the function $filteredCsv = Get-FilteredCsvString -Csv $csv -Columns $columns -ColumnValues $columnValues -Filtering "and" # Verify the output $expectedCsv = @" sep=, "name1","name2","name3" "2","False","True" "@ $filteredCsv | Should Be $expectedCsv } it "filters the CSV by the column using 'or' filtering when given one specified column" { # Set up the function parameters $csv = @" sep=, "name1","name2","name3" "1","True","False" "2","False","True" "@ $columns = "name2" # Call the function $filteredCsv = Get-FilteredCsvString -Csv $csv -Columns $columns -Filtering "or" # Verify the output $expectedCsv = @" sep=, "name1","name2","name3" "1","True","False" "@ $filteredCsv | Should Be $expectedCsv } it "filters the CSV by columns using 'and' filtering when given more than one specified column" { # Set up the function parameters $csv = @" sep=, "name1","name2","name3" "1","True","False" "2","False","True" "@ $columns = @("name2", "name3") # Call the function $filteredCsv = Get-FilteredCsvString -Csv $csv -Columns $columns -Filtering "and" # Verify the output $filteredCsv | Should Be $null } it "filters the CSV by columns using 'or' filtering when given more than one specified column" { # Set up the function parameters $csv = @" sep=, "name1","name2","name3" "1","True","False" "2","False","True" "@ $columns = @("name2", "name3") # Call the function $filteredCsv = Get-FilteredCsvString -Csv $csv -Columns $columns -Filtering "or" # Verify the output $expectedCsv = @" sep=, "name1","name2","name3" "1","True","False" "2","False","True" "@ $filteredCsv | Should Be $expectedCsv } it "filters the CSV by columns using 'and' filtering when given a CSV and a column which does not exist to return null" { # Set up the function parameters $csv = @" sep=, "name1","name2","name3" "1","True","False" "2","False","True" "@ $columns = "name4" # Call the function $filteredCsv = Get-FilteredCsvString -Csv $csv -Columns $columns -Filtering "and" # Verify the output $filteredCsv | Should Be $null } it "filters the CSV by columns using 'or' filtering when given a CSV and a column which does not exist to return null" { # Set up the function parameters $csv = @" sep=, "name1","name2","name3" "1","True","False" "2","False","True" "@ $columns = "name4" # Call the function $filteredCsv = Get-FilteredCsvString -Csv $csv -Columns $columns -Filtering "or" # Verify the output $filteredCsv | Should Be $null } it "returns null when the number of columns does not match the number of column values" { # Set up the function parameters $csv = @" sep=, "name1","name2","name3" "1","True","False" "2","False","True" "@ $columns = "name1" $columnValues = @($true, $false) # Call the function $filteredCsv = Get-FilteredCsvString -Csv $csv -Columns $columns -ColumnValues $columnValues -Filtering "or" -ErrorAction SilentlyContinue # Verify the output $filteredCsv | Should Be $null } # Set up functions to fail $functionsToFail = @( "ConvertTo-CsvObject", "ConvertTo-CsvString" ) foreach ($function in $functionsToFail) { context "when $($function) fails" { # Mock the function to return null mock $function {} it "returns null" { # Set up the function parameters $csv = $csv = @" sep=, "name1","name2","name3" "1","True","False" "2","False","True" "@ $columns = "" # Call the function $filteredCsv = Get-FilteredCsvString -Csv $csv -Columns $columns -Filtering "or" -ErrorAction SilentlyContinue # Verify the output $filteredCsv | Should Be $null # Call the function $filteredCsv = Get-FilteredCsvString -Csv $csv -Columns $columns -Filtering "and" -ErrorAction SilentlyContinue # Verify the output $filteredCsv | Should Be $null } } } } |