Version: v4

InModuleScope

SYNOPSIS

Allows you to execute parts of a test script within the scope of a PowerShell script module.

SYNTAX

InModuleScope [-ModuleName] <String> [-ScriptBlock] <ScriptBlock> [<CommonParameters>]

DESCRIPTION

By injecting some test code into the scope of a PowerShell script module, you can use non-exported functions, aliases and variables inside that module, to perform unit tests on its internal implementation.

InModuleScope may be used anywhere inside a Pester script, either inside or outside a Describe block.

EXAMPLES

EXAMPLE 1

# The script module:
function PublicFunction
{
# Does something
}
function PrivateFunction
{
return $true
}
Export-ModuleMember -Function PublicFunction
# The test script:
Import-Module MyModule
InModuleScope MyModule {
Describe 'Testing MyModule' {
It 'Tests the Private function' {
PrivateFunction | Should -Be $true
}
}
}

Normally you would not be able to access "PrivateFunction" from the PowerShell session, because the module only exported "PublicFunction". Using InModuleScope allowed this call to "PrivateFunction" to work successfully.

PARAMETERS

-ModuleName

The name of the module into which the test code should be injected. This module must already be loaded into the current PowerShell session.

Type: String
Parameter Sets: (All)
Aliases:
Required: True
Position: 1
Default value: None
Accept pipeline input: False
Accept wildcard characters: False

-ScriptBlock

The code to be executed within the script module.

Type: ScriptBlock
Parameter Sets: (All)
Aliases:
Required: True
Position: 2
Default value: None
Accept pipeline input: False
Accept wildcard characters: False

CommonParameters

This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable, -InformationAction, -InformationVariable, -OutVariable, -OutBuffer, -PipelineVariable, -Verbose, -WarningAction, and -WarningVariable. For more information, see about_CommonParameters.

INPUTS

OUTPUTS

NOTES

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