Functions/GherkinHook.ps1

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function BeforeEachFeature {
<#
    .SYNOPSIS
    Defines a ScriptBlock hook to run before each feature to set up the test environment
 
    .DESCRIPTION
    BeforeEachFeature hooks are run before each feature that is in (or above) the folder where the hook is defined.
 
    This is a convenience method, provided because unlike traditional RSpec Pester,
    there is not a simple test script where you can put setup and clean up.
 
    .PARAMETER Tags
    Optional tags. If set, this hook only runs for features with matching tags
 
    .PARAMETER Script
    The ScriptBlock to run for the hook
 
    .LINK
    AfterEachFeature
    BeforeEachScenario
    AfterEachScenario
#>


    [CmdletBinding(DefaultParameterSetName="All")]
    param(

        [Parameter(Mandatory=$True, Position=0, ParameterSetName="Tags")]
        [String[]]$Tags,

        [Parameter(Mandatory=$True, Position=1, ParameterSetName="Tags")]
        [Parameter(Mandatory=$True, Position=0, ParameterSetName="All")]
        [ScriptBlock]$Script
    )

    ${Script:GherkinHooks}.BeforeEachFeature += @( @{ Tags = $Tags; Script = $Script } )
}

function AfterEachFeature {
<#
    .SYNOPSIS
    Defines a ScriptBlock hook to run at the very end of a test run
 
    .DESCRIPTION
    AfterEachFeature hooks are run after each feature that is in (or above) the folder where the hook is defined.
 
    This is a convenience method, provided because unlike traditional RSpec Pester,
    there is not a simple test script where you can put setup and clean up.
 
    .PARAMETER Tags
    Optional tags. If set, this hook only runs for features with matching tags.
 
    .PARAMETER Script
    The ScriptBlock to run for the hook
 
    .LINK
        BeforeEachFeature
        BeforeEachScenario
        AfterEachScenario
#>

    [CmdletBinding(DefaultParameterSetName="All")]
    param(

        [Parameter(Mandatory=$True, Position=0, ParameterSetName="Tags")]
        [String[]]$Tags,

        [Parameter(Mandatory=$True, Position=1, ParameterSetName="Tags")]
        [Parameter(Mandatory=$True, Position=0, ParameterSetName="All")]
        [ScriptBlock]$Script
    )

    ${Script:GherkinHooks}.AfterEachFeature += @( @{ Tags = $Tags; Script = $Script } )
}

function BeforeEachScenario {
<#
    .SYNOPSIS
    Defines a ScriptBlock hook to run before each scenario to set up the test environment
 
    .DESCRIPTION
    BeforeEachScenario hooks are run before each scenario that is in (or above) the folder where the hook is defined.
 
    You should not normally need this, because it overlaps significantly with the "Background" feature in the gherkin language.
 
    This is a convenience method, provided because unlike traditional RSpec Pester,
    there is not a simple test script where you can put setup and clean up.
 
    .PARAMETER Tags
    Optional tags. If set, this hook only runs for features with matching tags
 
    .PARAMETER Script
    The ScriptBlock to run for the hook
 
    .LINK
    AfterEachFeature
    BeforeEachScenario
    AfterEachScenario
#>

    [CmdletBinding(DefaultParameterSetName="All")]
    param(

        [Parameter(Mandatory=$True, Position=0, ParameterSetName="Tags")]
        [String[]]$Tags,

        [Parameter(Mandatory=$True, Position=1, ParameterSetName="Tags")]
        [Parameter(Mandatory=$True, Position=0, ParameterSetName="All")]
        [ScriptBlock]$Script
    )

    ${Script:GherkinHooks}.BeforeEachScenario += @( @{ Tags = $Tags; Script = $Script } )
}

function AfterEachScenario {
<#
    .SYNOPSIS
    Defines a ScriptBlock hook to run after each scenario to set up the test environment
 
    .DESCRIPTION
    AfterEachScenario hooks are run after each Scenario that is in (or above) the folder where the hook is defined.
 
    This is a convenience method, provided because unlike traditional RSpec Pester,
    there is not a simple test script where you can put setup and clean up.
 
    .PARAMETER Tags
    Optional tags. If set, this hook only runs for features with matching tags
 
    .PARAMETER Script
    The ScriptBlock to run for the hook
 
    .LINK
        BeforeEachFeature
        BeforeEachScenario
        AfterEachScenario
#>

    [CmdletBinding(DefaultParameterSetName="All")]
    param(

        [Parameter(Mandatory=$True, Position=0, ParameterSetName="Tags")]
        [String[]]$Tags,

        [Parameter(Mandatory=$True, Position=1, ParameterSetName="Tags")]
        [Parameter(Mandatory=$True, Position=0, ParameterSetName="All")]
        [ScriptBlock]$Script
    )

    ${Script:GherkinHooks}.AfterEachScenario += @( @{ Tags = $Tags; Script = $Script } )
}