Merge pull request #1056 from PowerShell/NewObjectPesterTest

Add New-Object Pester Unit Test
2026-06-08 12:12:50 +00:00 · 2016-06-08 11:57:59 -07:00
parent 8fca9646e9 ce2b3d0664
commit 5a0155dc9d
1 changed files with 124 additions and 0 deletions
@@ -32,3 +32,127 @@ Describe "New-Object" {
 	    $o      | Should Be "1.2.3.4"
    }
 }
+
+Describe "New-Object DRT basic functionality" -Tags DRT{
+	It "New-Object with int array should work"{
+		$result = New-Object -TypeName int[] -Arg 10
+		$result.Count | Should Be 10
+	}
+	
+	It "New-Object with char should work"{
+		$result = New-Object -TypeName char
+		$result.Count | Should Be 1
+		$defaultChar = [char]0
+		([char]$result) | Should Be $defaultChar
+	}
+	
+	It "New-Object with default Coordinates should work"{
+		$result = New-Object -TypeName System.Management.Automation.Host.Coordinates
+		$result.Count | Should Be 1
+		$result.X | Should Be 0
+		$result.Y | Should Be 0
+	}
+	
+	It "New-Object with specified Coordinates should work"{
+		$result = New-Object -TypeName System.Management.Automation.Host.Coordinates -ArgumentList 1,2
+		$result.Count | Should Be 1
+		$result.X | Should Be 1
+		$result.Y | Should Be 2
+	}
+	
+	It "New-Object with Employ should work"{
+		Add-Type -TypeDefinition "public class Employee{public Employee(string firstName,string lastName,int yearsInMS){FirstName = firstName;LastName=lastName;YearsInMS = yearsInMS;}public string FirstName;public string LastName;public int YearsInMS;}"
+		$result = New-Object -TypeName Employee -ArgumentList "Mary", "Soe", 11
+		$result.Count | Should Be 1
+		$result.FirstName | Should Be "Mary"
+		$result.LastName | Should Be "Soe"
+		$result.YearsInMS | Should Be 11
+	}
+	
+	It "New-Object with invalid type should throw Exception"{
+		try
+		{
+			New-Object -TypeName LiarType -EA Stop
+			Throw "Execution OK"
+		}
+		catch
+		{
+			$_.CategoryInfo| Should Match "PSArgumentException"
+			$_.FullyQualifiedErrorId | Should be "TypeNotFound,Microsoft.PowerShell.Commands.NewObjectCommand"
+		}
+	}
+	
+	It "New-Object with invalid argument should throw Exception"{
+		try
+		{
+			New-Object -TypeName System.Management.Automation.PSVariable -ArgumentList "A", 1, None, "asd" -EA Stop
+			Throw "Execution OK"
+		}
+		catch
+		{
+			$_.CategoryInfo| Should Match "MethodException"
+			$_.FullyQualifiedErrorId | Should be "ConstructorInvokedThrowException,Microsoft.PowerShell.Commands.NewObjectCommand"
+		}
+	}
+	
+	It "New-Object with abstract class should throw Exception"{
+		Add-Type -TypeDefinition "public abstract class AbstractEmployee{public AbstractEmployee(){}}"
+		try
+		{
+			New-Object -TypeName AbstractEmployee -EA Stop
+			Throw "Execution OK"
+		}
+		catch
+		{
+			$_.CategoryInfo| Should Match "MethodInvocationException"
+			$_.FullyQualifiedErrorId | Should be "ConstructorInvokedThrowException,Microsoft.PowerShell.Commands.NewObjectCommand"
+		}
+	}
+	
+	It "New-Object with bad argument for class construtor should throw Exception"{
+		Add-Type -TypeDefinition "public class Employee{public Employee(string firstName,string lastName,int yearsInMS){FirstName = firstName;LastName=lastName;YearsInMS = yearsInMS;}public string FirstName;public string LastName;public int YearsInMS;}"
+		try
+		{
+			New-Object -TypeName Employee -ArgumentList 11 -EA Stop
+			Throw "Execution OK"
+		}
+		catch
+		{
+			$_.CategoryInfo| Should Match "MethodException"
+			$_.FullyQualifiedErrorId | Should be "ConstructorInvokedThrowException,Microsoft.PowerShell.Commands.NewObjectCommand"
+		}
+	}
+	
+	It "New-Object with not init class construtor should throw Exception"{
+		Add-Type -TypeDefinition "public class Employee{public Employee(string firstName,string lastName,int yearsInMS){FirstName = firstName;LastName=lastName;YearsInMS = yearsInMS;}public string FirstName;public string LastName;public int YearsInMS;}"
+		try
+		{
+			New-Object -TypeName Employee -EA Stop
+			Throw "Execution OK"
+		}
+		catch
+		{
+			$_.CategoryInfo| Should Match "PSArgumentException"
+			$_.FullyQualifiedErrorId | Should be "CannotFindAppropriateCtor,Microsoft.PowerShell.Commands.NewObjectCommand"
+		}
+	}
+	
+	It "New-Object with Private Nested class should throw Exception"{
+		Add-Type -TypeDefinition "public class WeirdEmployee{public WeirdEmployee(){}private class PrivateNestedWeirdEmployee{public PrivateNestedWeirdEmployee(){}}}"
+		try
+		{
+			New-Object -TypeName WeirdEmployee+PrivateNestedWeirdEmployee -EA Stop
+			Throw "Execution OK"
+		}
+		catch
+		{
+			$_.CategoryInfo| Should Match "PSArgumentException"
+			$_.FullyQualifiedErrorId | Should be "TypeNotFound,Microsoft.PowerShell.Commands.NewObjectCommand"
+		}
+	}
+	
+	It "New-Object with TypeName and Property parameter should work"{
+		$result = New-Object -TypeName PSObject -property @{foo=123}
+		$result.foo | Should Be 123
+	}
+}