PSFramework

1.7.249

tests/functions/logging/providerV2.Tests.ps1

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 Describe "Logging System: Provider V2 Unit Test" {
    Describe "Logging Provider - Act 1: Post-Registration" {
        It "Should register without an error" {
            #region Register Logging Provider
            $paramRegisterPSFLoggingProvider = @{
                Name               = 'Demo'
                ConfigurationRoot  = 'Demo.Provider'
                InstanceProperties = 'StartCounter', 'Increment', 'MaxCounter'
                BeginEvent           = { Write-PSFMessage "Starting Provider Instance: $($Instance.Name) of Provider $($Instance.Provider)" -Target $Instance.Name }
                StartEvent           = {
                    $script:counter = Get-ConfigValue -Name StartCounter
                    $script:increment = Get-ConfigValue -Name Increment
                    $script:maxCounter = Get-ConfigValue -Name MaxCounter
                    Write-Hello -Name "Jack"
                    Write-PSFMessage "Starting Counter at $script:counter" -Target $Instance.Name
                }
                MessageEvent       = {
                    param (
                        $Message
                    )
                    
                    if (($script:counter + $script:increment) -le $script:maxCounter)
                    {
                        $script:counter = $script:counter + $script:increment
                    }
                }
                EndEvent           = {
                    Write-PSFMessage "Current Counter is at $script:counter" -Target $Instance.Name
                }
                FinalEvent           = {
                    Write-PSFMessage "Stopping to count" -Target $Instance.Name
                }
                FunctionDefinitions = {
                    function Write-Hello
                    {
                        [CmdletBinding()]
                        param (
                            $Name
                        )
                        Write-PSFMessage "Hello $Name" -Target $Instance.Name
                    }
                }
            }
            
            { Register-PSFLoggingProvider @paramRegisterPSFLoggingProvider } | Should -Not -Throw
            
            # Wait until the next logging cycle has definitely passed
            Start-Sleep -Seconds 10
            #endregion Register Logging Provider
        }
        It "Should exist" {
            Get-PSFLoggingProvider -Name Demo | Should -BeNullOrEmpty -Not
        }
        
        It "Should create a default instance that is disabled" {
            $provider = Get-PSFLoggingProvider -Name Demo
            $provider.Instances.Count | Should -Be 1
            $provider.Instances.Keys | Should -Contain 'Default'
            $provider.Instances.Default.Enabled | Should -BeFalse
        }
    }
    
    Describe "Logging Provider - Act 2: Post-Activation" {
        BeforeAll {
            Set-PSFLoggingProvider -Name Demo -InstanceName MyInstance -StartCounter 0 -Increment 2 -MaxCounter 50 -Enabled $true
            
            # Wait until the next logging cycle has definitely passed
            Start-Sleep -Seconds 8
        }
        
        It "Should have created the MyInstance instance" {
            $provider = Get-PSFLoggingProvider -Name Demo
            $provider.Instances.Count | Should -Be 2
            $provider.Instances.Keys | Should -Contain 'MyInstance'
            $provider.Instances.MyInstance.Enabled | Should -BeTrue
        }
        
        It "Should have written messages without error" {
            Get-PSFMessage | Where-Object FunctionName -eq 'Write-Hello' | Should -BeNullOrEmpty -Not
            Get-PSFMessage | Where-Object Message -eq 'Current Counter is at 6' | Should -BeNullOrEmpty -Not
            # Get-PSFMessage | Where-Object Message -eq 'Starting Provider Instance: MyInstance of Provider Demo' | Should -BeNullOrEmpty -Not
            $provider = Get-PSFLoggingProvider -Name Demo
            $provider.Instances.MyInstance.Errors.Count | Should -Be 0
        }
        
        AfterAll {
            Set-PSFLoggingProvider -Name Demo -InstanceName MyInstance -Enabled $false
            $null = [PSFramework.Logging.ProviderHost]::Providers.TryRemove("Demo", [ref]$null)
        }
    }
}