Describe "New-Object" -Tags "CI" { It "should create an object with 4 fields" { $o = New-Object psobject $val = $o.GetType() $val.IsPublic | Should Not BeNullOrEmpty $val.Name | Should Not BeNullOrEmpty $val.IsSerializable | Should Not BeNullOrEmpty $val.BaseType | Should Not BeNullOrEmpty $val.IsPublic | Should Be $true $val.IsSerializable | Should Be $false $val.Name | Should Be 'PSCustomObject' $val.BaseType | Should Be 'System.Object' } It "should create an object with using Property switch" { $hash = @{ FirstVal = 'test1' SecondVal = 'test2' } $o = New-Object psobject -Property $hash $o.FirstVal | Should Be 'test1' $o.SecondVal | Should Be 'test2' } It "should create a .Net object with using ArgumentList switch" { $o = New-Object -TypeName System.Version -ArgumentList "1.2.3.4" $o.GetType() | Should Be ([System.Version]) $o | Should Be "1.2.3.4" } } Describe "New-Object DRT basic functionality" -Tags "CI" { 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"{ if(-not ([System.Management.Automation.PSTypeName]'Employee').Type) { 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 constructor should throw Exception"{ if(-not ([System.Management.Automation.PSTypeName]'Employee').Type) { 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" } } #This case will throw "Execution OK" now, just mark as pending now It "New-Object with not init class constructor should throw Exception" -Pending{ if(-not ([System.Management.Automation.PSTypeName]'Employee').Type) { 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 { $_.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 } }