Merge pull request #1057 from PowerShell/SelectXMLPesterTest

Add Select-XML Pester Unit Test

test/powershell/Select-XML.Tests.ps1

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+
+Describe "Select-XML DRT Unit Tests" -Tags DRT{
+	
+	BeforeAll {
+		$testfile = Join-Path -Path $TestDrive -ChildPath "testfile.xml"
+		$xmlContent = @"
+<?xml version ="1.0" encoding="ISO-8859-1"?>
+<bookstore>
+	<book category="CHILDREN">
+		<title lang="english">Harry Potter</title>
+		<price>30.00</price>
+	</book>
+	<book category="WEB">
+		<title lang="english">Learning XML</title>
+		<price>25.00</price>
+	</book>
+</bookstore>
+"@
+		$xmlContent >$testfile
+	}
+	
+	It "Select-XML should work"{
+		$results = Select-XML -Path $testfile -XPath "/bookstore/book/title"
+		$results.Count | Should Be 2
+		$results[0].Node."#text" | Should Be "Harry Potter"
+		$results[1].Node."#text" | Should Be "Learning XML"
+	}
+}