tests/New-DbaDatabaseSnapshot.Tests.ps1

$commandname = $MyInvocation.MyCommand.Name.Replace(".ps1","")
Write-Host -Object "Running $PSCommandpath" -ForegroundColor Cyan
. "$PSScriptRoot\constants.ps1"

# Targets only instance2 because it's the only one where Snapshots can happen
Describe "$commandname Integration Tests" -Tags "IntegrationTests" {
    Context "Parameters validation" {
        It "Stops if no Database or AllDatabases" {
            { New-DbaDatabaseSnapshot -SqlInstance $script:instance2 -Silent } | Should Throw "You must specify"
        }
        It "Is nice by default" {
            { New-DbaDatabaseSnapshot -SqlInstance $script:instance2 *> $null } | Should Not Throw "You must specify"
        }
    }
    
    Context "Operations on not supported databases" {
        It "Doesn't support model, master or tempdb" {
            $result = New-DbaDatabaseSnapshot -SqlInstance $script:instance2 -Silent -Database model,master,tempdb
            $result | Should Be $null
        }
        
    }
    Context "Operations on databases" {
        BeforeAll {
            $server = Connect-DbaSqlServer -SqlInstance $script:instance2
            $db1 = "dbatoolsci_SnapMe"
            $db2 = "dbatoolsci_SnapMe2"
            $db3 = "dbatoolsci_SnapMe3_Offline"
            $server.Query("CREATE DATABASE $db1")
            $server.Query("CREATE DATABASE $db2")
            $server.Query("CREATE DATABASE $db3")
            $null = Set-DbaDatabaseState -Sqlinstance $script:instance2 -Database $db3 -Offline -Force
        }
        AfterAll {
            Stop-DbaProcess -SqlInstance $script:instance2 -Database $db1, $db2, $db3
            $null = Set-DbaDatabaseState -Sqlinstance $script:instance2 -Database $db3 -Online -Force
            Remove-DbaDatabaseSnapshot -SqlInstance $script:instance2 -Database $db1,$db2,$db3 -Force
            Remove-DbaDatabase -SqlInstance $script:instance2 -Database $db1,$db2,$db3
        }
        It "Skips over offline databases nicely" {
            $result = New-DbaDatabaseSnapshot -SqlInstance $script:instance2 -Silent -Database $db3
            $result | Should Be $null
        }
        It "Refuses to accept multiple source databases with a single name target" {
            { New-DbaDatabaseSnapshot -SqlInstance $script:instance2 -Silent -Database $db1,$db2 -Name "dbatools_Snapped" } | Should Throw
        }
        It "Halts when path is not accessible" {
            { New-DbaDatabaseSnapshot -SqlInstance $script:instance2 -Database $db1 -Path B:\Funnydbatoolspath -Silent } | Should Throw
        }
        It "Creates snaps for multiple dbs by default" {
            $result = New-DbaDatabaseSnapshot -SqlInstance $script:instance2 -Silent -Database $db1,$db2
            $result | Should Not Be $null
            foreach($r in $result) {
                $r.SnapshotOf -in @($db1, $db2) | Should Be $true 
            }
        }
        It "Creates snap with the correct name" {
            $result = New-DbaDatabaseSnapshot -SqlInstance $script:instance2 -Silent -Database $db1 -Name "dbatools_SnapMe_right"
            $result | Should Not Be $null
            $result.SnapshotOf | Should Be $db1
            $result.Database | Should Be "dbatools_SnapMe_right"
        }
        It "Creates snap with the correct name template" {
            $result = New-DbaDatabaseSnapshot -SqlInstance $script:instance2 -Silent -Database $db2 -NameSuffix "dbatools_SnapMe_{0}_funny"
            $result | Should Not Be $null
            $result.SnapshotOf | Should Be $db2
            $result.Database | Should Be ("dbatools_SnapMe_{0}_funny" -f $db2)
        }
        It "Has the correct properties" {
            $null = Remove-DbaDatabaseSnapshot -SqlInstance $script:instance2 -Database $db2 -Force
            $result = New-DbaDatabaseSnapshot -SqlInstance $script:instance2 -Silent -Database $db2
            $ExpectedProps = 'ComputerName,Database,DatabaseCreated,InstanceName,Notes,PrimaryFilePath,SizeMB,SnapshotDb,SnapshotOf,SqlInstance,Status'.Split(',')
            ($result.PsObject.Properties.Name | Sort-Object) | Should Be ($ExpectedProps | Sort-Object)
        }
        
        It "Has the correct default properties" {
            $null = Remove-DbaDatabaseSnapshot -SqlInstance $script:instance2 -Database $db2 -Force
            $result = New-DbaDatabaseSnapshot -SqlInstance $script:instance2 -Silent -Database $db2
            $ExpectedPropsDefault = 'ComputerName,Database,DatabaseCreated,InstanceName,Notes,PrimaryFilePath,SizeMB,SnapshotOf,SqlInstance,Status'.Split(',')
            ($result.PSStandardMembers.DefaultDisplayPropertySet.ReferencedPropertyNames | Sort-Object) | Should Be ($ExpectedPropsDefault | Sort-Object)
        }
        
    }
}