Renamed file

src/pester-tests/Start-Process.Tests.ps1

@@ -0,0 +1,102 @@
+$here = Split-Path -Parent $MyInvocation.MyCommand.Path
+. $here/Test-Common.ps1
+
+Describe "Start-Process" {
+    $pingCommand = (Get-Command -CommandType Application ping).Definition
+    $pingDirectory = Split-Path $pingCommand -Parent
+    $tempDir = GetTempDir
+    $tempFile = $tempDir + "PSTest"
+    $assetsFile = $here/assets/SortTest.txt
+    $windows = IsWindows
+    if ($windows)
+    {
+        $pingParamNoStop = "localhost -t"
+        $pingParamStop = "localhost -n 2"
+    }
+    else
+    {
+        $pingParamNoStop = "localhost"
+        $pingParamStop = "localhost -c 2"
+    }
+
+    AfterEach {
+        Stop-Process -Name ping -ErrorAction SilentlyContinue
+    }
+
+    It "Should start a process without error" {
+        { Start-Process ping } | Should Not Throw
+    } 
+
+    It "Should process arguments without error" {
+        { Start-Process ping -ArgumentList $pingParamNoStop} | Should Not Throw
+
+        $process = Get-Process -Name ping
+        $process.Length      | Should Be 1
+        $process.Id          | Should BeGreaterThan 1
+        $process.ProcessName | Should Be "ping"
+    }
+
+    It "Should create process object when used with PassThru argument" {
+        $process = Start-Process ping -ArgumentList $pingParamNoStop -PassThru
+
+        $process.Length      | Should Be 1
+        $process.Id          | Should BeGreaterThan 1
+        $process.ProcessName | Should Be "ping"
+    }
+
+    It "Should work correctly when used with full path name" {
+        $process = Start-Process $pingCommand -ArgumentList $pingParamNoStop -PassThru
+
+        $process.Length      | Should Be 1
+        $process.Id          | Should BeGreaterThan 1
+        $process.ProcessName | Should Be "ping"
+    }
+    
+    It "Should invoke correct path when used with FilePath argument" {
+        $process = Start-Process -FilePath $pingCommand -ArgumentList $pingParamNoStop -PassThru
+
+        $process.Length      | Should Be 1
+        $process.Id          | Should BeGreaterThan 1
+        $process.ProcessName | Should Be "ping"
+    }
+
+    It "Should wait for command completion if used with Wait argument" {
+        Start-Process ping -ArgumentList $pingParamStop -Wait
+
+        $process = Get-Process -Name ping -ErrorAction SilentlyContinue
+        $process.Length      | Should Be 0
+    }
+
+    It "Should work correctly with WorkingDirectory argument" {
+        $process = Start-Process ping -WorkingDirectory $pingDirectory -ArgumentList $pingParamNoStop -PassThru
+
+        $process.Length      | Should Be 1
+        $process.Id          | Should BeGreaterThan 1
+        $process.ProcessName | Should Be "ping"
+    }
+
+    It "Should should handle stderr redirection without error" {
+        $process  = Start-Process ping -ArgumentList $pingParamNoStop -PassThru -RedirectStandardError $tempFile
+
+        $process.Length      | Should Be 1
+        $process.Id          | Should BeGreaterThan 1
+        $process.ProcessName | Should Be "ping"
+    }
+
+    It "Should should handle stdout redirection without error" {
+        $process  = Start-Process ping -ArgumentList $pingParamStop -Wait -RedirectStandardOutput $tempFile
+	$dirEntry = dir $tempFile
+
+	$dirEntry.Length     | Should BeGreaterThan 0
+    }
+
+    It "Should should handle stdin redirection without error" {
+        $process  = Start-Process sort -Wait -RedirectStandardOutput $tempFile -RedirectStandardInput $assetFile
+	$dirEntry = dir $tempFile
+
+	$dirEntry.Length     | Should BeGreaterThan 0
+    }
+
+}
+
+