Initial commit with the basics working

Examples/Calculator/Add-Numbers.Tests.ps1

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+$pwd = Split-Path -Parent $MyInvocation.MyCommand.Path
+. "$pwd\Add-Numbers.ps1"
+. "$pwd\..\..\Source\Pester.ps1"
+
+Describe "Add-Numbers" {
+
+    It "adds positive numbers" {
+        $sum = Add-Numbers 2 3
+        $sum.should.be(4)
+    }
+
+    It "adds negative numbers" {
+        $sum = Add-Numbers (-2) (-2)
+        $sum.should.be((-4))
+    }
+
+    It "adds one negative number to positive number" {
+        $sum = Add-Numbers (-2) 2
+        $sum.should.be(0)
+    }
+
+    It "concatenates strings if given strings" {
+        $sum = Add-Numbers two three
+        $sum.should.be("twothree")
+    }
+
+}

Examples/Calculator/Add-Numbers.ps1

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+function Add-Numbers($a, $b) {
+    return $a + $b
+}

README.md

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+Pester
+======
+
+Objective
+---------
+
+I wanted to make a convention based Powershell Unit testing framework that didn't require the following:
+
+* Installer of any sort
+* Changing a users Profile script
+
+The things I wanted it do do is:
+
+* Find all tests by some sort of convention
+* Emulate RSpec assertions and fixture setup
+* Create NUnit XML reports

Source/Functions/Describe.ps1

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+function Describe($name, [ScriptBlock] $fixture) {
+    Write-Host -fore yellow Describing $name
+    & $fixture
+}

Source/Functions/It.ps1

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+function It($name, [ScriptBlock] $test) 
+{
+    Write-Host -fore DarkCyan $name -NoNewLine
+
+    $test_result = & $test
+
+    if ($test_result) {
+        Write-Host -ForegroundColor green " Success"
+    } else {
+        Write-Host -ForegroundColor red " Failure`n$($test.ToString())" 
+    }
+}
+

Source/ObjectAdaptations/types.ps1xml

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+<?xml version="1.0" encoding="utf-8" ?> 
+<Types> 
+    <Type> 
+        <Name>System.Object</Name> 
+        <Members> 
+            <ScriptProperty> 
+                <Name>should</Name> 
+                <GetScriptBlock>
+                    $value = $this
+                    $object = New-Object Object |
+                    Add-Member ScriptMethod be {
+                            param($expected)
+                            return ($expected -eq $this.actual)
+                            } -PassThru |
+                    Add-Member NoteProperty -Name actual -Value $null -PassThru |
+                    Add-Member ScriptProperty -Name ThisValue -Value { $this.actual } `
+                            {
+                                param($newactual)
+                                $this.actual = $newactual
+                            } -PassThru
+                    $object.ThisValue = $value
+
+                    return $object
+                </GetScriptBlock> 
+            </ScriptProperty> 
+        </Members> 
+    </Type> 
+</Types> 

Source/Pester-Console.ps1

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+param($relative_path = ".")
+
+$script_dir = Split-Path -Parent $MyInvocation.MyCommand.Path
+Update-TypeData -pre "$script_dir\ObjectAdaptations\types.ps1xml" -ErrorAction SilentlyContinue
+
+$fixtures_path = Resolve-Path $relative_path
+Write-Host Executing all tests in $fixtures_path
+
+Get-ChildItem $fixtures_path -Recurse |
+    ? { $_.Name -match ".Tests." } |
+    % { & $_.PSPath }
+

Source/Pester.ps1

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+$pwd = Split-Path -Parent $MyInvocation.MyCommand.Path
+
+Resolve-Path $pwd\Functions\*.ps1 | % { . $_.ProviderPath }
+