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torgro/toregroneng.ps1 Secret

Last active Oct 6, 2015
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function Set-UpperAndLower
{
<#
.Synopsis
Sets the first letter to upper case
.DESCRIPTION
This command take any word and convert the first letter to upper case and the rest to lower case
.EXAMPLE
Set-UpperAndLower -SingleWord something
Something
.EXAMPLE
Set-UpperAndLower -SingleWord SOMETHING
Something
.INPUTS
String
.OUTPUTS
String
.NOTES
General notes
.FUNCTIONALITY
String manipulation
#>
[cmdletbinding()]
Param(
[Parameter(
Mandatory=$true
)
]
[ValidateNotNullOrEmpty()]
[Alias("Text","Word")]
[string]$SingleWord
)
$firstLetter = ([string]$SingleWord[0]).ToUpper()
$therest = ""
if ($SingleWord.Length -gt 1)
{
$therest = $SingleWord.Substring(1).ToLower()
}
return "$firstLetter$therest"
}
function Set-CapitalFirstLetter
{
<#
.Synopsis
Sets the first letter to upper case in every word in a Sentence
.DESCRIPTION
This command take a whole sentence and convert the first letter of every word to upper case and the rest to lower case
.EXAMPLE
Set-CapitalFirstLetter -Sentence "the quick lazy brown fox jumped over the fence"
The Quick Lazy Brown Fox Jumped Over The Fence
.EXAMPLE
"the quick lazy brown fox jumped over the fence" | Set-CapitalFirstLetter
The Quick Lazy Brown Fox Jumped Over The Fence
.INPUTS
String
.OUTPUTS
String
.NOTES
General notes
.FUNCTIONALITY
String manipulation
#>
[cmdletbinding()]
Param(
[Parameter(
Mandatory=$true,
ValueFromPipeline=$true,
ValueFromPipelineByPropertyName=$true,
ValueFromRemainingArguments=$false,
Position=0)
]
[ValidateNotNullOrEmpty()]
[Alias("Text")]
[string]$Sentence
)
Begin
{
$arrayList = New-Object -TypeName System.Collections.ArrayList
}
Process
{
if(-not $Sentence.Contains(" "))
{
$newWord = Set-UpperAndLower -SingleWord $Sentence
$null = $arrayList.Add($newWord)
}
else
{
foreach ($word in ($Sentence -split " "))
{
$newWord = Set-UpperAndLower -SingleWord $word
$null = $arraylist.Add($newWord)
}
}
}
End
{
if ($arrayList.Count -gt 1)
{
$arrayList -join " "
}
else
{
$arrayList -join ""
}
}
}
#region tests
#copy this region to a separate file
$here = Split-Path -Parent $MyInvocation.MyCommand.Path
$sut = (Split-Path -Leaf $MyInvocation.MyCommand.Path).Replace(".Tests.", ".")
. "$here\$sut"
Describe "Set-UpperAndLower tests" {
It "Takes a single word and sets the first letter to upper case" {
$Expected = "Word"
$Actual = Set-UpperAndLower -SingleWord "word"
$Actual -ceq $Expected | Should Be $true
}
It "Takes a single word and sets the first letter to upper case and lowers the rest" {
$Expected = "Word"
$Actual = Set-UpperAndLower -SingleWord "WORD"
$Actual -ceq $Expected | Should Be $true
}
It "Takes a single word and sets the first letter to upper case and handles special chars" {
$Expected = "Word?;:*"
$Actual = Set-UpperAndLower -SingleWord "word?;:*"
$Actual -ceq $Expected | Should Be $true
}
}
Describe "Set-CapitalFirstLetter tests" {
It "Takes an upper case sentence and sets the first letter of every word to upper" {
$Expected = "The Quick Lazy Brown Fox Jumped Over The Fence"
$Sentence = "The Quick Lazy Brown Fox Jumped Over The Fence".ToUpper()
$Actual = Set-CapitalFirstLetter -Sentence $Sentence
$Actual -ceq $Expected | Should Be $true
}
It "Takes an upper case sentence from the pipeline and sets the first letter of every word to upper" {
$Expected = "The Quick Lazy Brown Fox Jumped Over The Fence"
$Sentence = "The Quick Lazy Brown Fox Jumped Over The Fence".ToUpper()
$Actual = $Sentence | Set-CapitalFirstLetter
$Actual -ceq $Expected | Should Be $true
}
It "Takes an lower case sentence and sets the first letter of every word to upper" {
$Expected = "The Quick Lazy Brown Fox Jumped Over The Fence"
$Sentence = "The Quick Lazy Brown Fox Jumped Over The Fence".ToLower()
$Actual = Set-CapitalFirstLetter -Sentence $Sentence
$Actual -ceq $Expected | Should Be $true
}
It "Takes an lower case sentence rom the pipeline and sets the first letter of every word to upper" {
$Expected = "The Quick Lazy Brown Fox Jumped Over The Fence"
$Sentence = "The Quick Lazy Brown Fox Jumped Over The Fence".ToLower()
$Actual = $Sentence | Set-CapitalFirstLetter
$Actual -ceq $Expected | Should Be $true
}
It "Takes a single word and sets the first letter to upper case" {
$Expected = "Brown"
$Sentence = "brown"
$Actual = Set-CapitalFirstLetter -Sentence $Sentence
$Actual -ceq $Expected | Should Be $true
}
It "Throws an error if Parameter sentence is null" {
$msg = @"
Cannot validate argument on parameter 'Sentence'. The argument is null or empty. Provide an argument that is not null or empty, and then try the command again.
"@
{Set-CapitalFirstLetter -Sentence $null} | should throw $msg
}
It "Throws an error if Parameter sentence is empty" {
$msg = @"
Cannot validate argument on parameter 'Sentence'. The argument is null or empty. Provide an argument that is not null or empty, and then try the command again.
"@
{Set-CapitalFirstLetter -Sentence ""} | should throw $msg
}
}
#endregion
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