Allow positional parameter in get-shouldoperator (#1947)

pester · May 16, 2021 · ea079a5 · ea079a5
1 parent fd68fc1
commit ea079a5
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diff --git a/src/functions/Get-ShouldOperator.ps1 b/src/functions/Get-ShouldOperator.ps1
@@ -47,6 +47,7 @@ function Get-ShouldOperator {
         $RuntimeParameterDictionary = & $SafeCommands['New-Object'] System.Management.Automation.RuntimeDefinedParameterDictionary
         $AttributeCollection = & $SafeCommands['New-Object'] System.Collections.ObjectModel.Collection[System.Attribute]
         $ParameterAttribute = & $SafeCommands['New-Object'] System.Management.Automation.ParameterAttribute
+        $ParameterAttribute.Position = 0
 
         $AttributeCollection.Add($ParameterAttribute)
 

diff --git a/tst/functions/Get-ShouldOperator.Tests.ps1 b/tst/functions/Get-ShouldOperator.Tests.ps1
@@ -45,6 +45,13 @@ InPesterModuleScope {
                     Get-ShouldOperator -Name $_ | Should -Not -BeNullOrEmpty -Because "$_ should have help"
                 }
             }
+            It 'Throws on invalid assertion-name' {
+                { Get-ShouldOperator BeHorrible } | Should -Throw -ExceptionType ([System.Management.Automation.ParameterBindingException]) -ErrorId 'ParameterArgumentValidationError,Get-ShouldOperator' -ExpectedMessage "*on parameter 'Name'*does not belong to the set*"
+            }
+
+            It 'Supports positional value' {
+                { Get-ShouldOperator Be } | Should -Not -Throw -ErrorId 'PositionalParameterNotFound,Get-ShouldOperators' -Because 'Name-parameter supports values at position 0'
+            }
         }
     }
 }