Added performance tests

.gitattributes

@@ -15,3 +15,5 @@
 *.clixml text eol=crlf
 *.xml text eol=crlf
 *.txt text eol=crlf
+
+Tests/large_sample.ini text eol=lf

.github/workflows/release.yml

@@ -35,7 +35,7 @@ jobs:
 
       - name: Cherry pick CHANGELOG.md
         id: changelog
-        uses: MatteoCampinoti94/changelog-to-release@v1.0.0
+        uses: MatteoCampinoti94/changelog-to-release@v1
         with:
           version-name: ${{ github.ref_name }}
           configuration: ./.github/changelog.configuration.json

Tests/Helpers/Get-AverageExecutionTime.ps1

@@ -0,0 +1,18 @@
+function Get-AverageExecutionTime {
+    param (
+        [Parameter(Mandatory, Position = 0)]
+        [ScriptBlock]$ScriptBlock,
+
+        [Int] $Count
+    )
+
+    process {
+        $executionTimes = @()
+        for ($i = 0; $i -lt $Count; $i++) {
+            $executionTime = Measure-Command { & $ScriptBlock }
+            $executionTimes += $executionTime.TotalMilliseconds
+        }
+
+        [Math]::Round(($executionTimes | Measure-Object -Average).Average, 2)
+    }
+}

Tests/PsIni.Performance.Tests.ps1

@@ -0,0 +1,45 @@
+#requires -modules @{ ModuleName = "Pester"; ModuleVersion = "5.7"; MaximumVersion = "5.999" }
+
+Describe "Performance Tests" -Tag performance {
+    BeforeAll {
+        . "$PSScriptRoot/Helpers/Resolve-ModuleSource.ps1"
+        . "$PSScriptRoot/Helpers/Get-AverageExecutionTime.ps1"
+        $script:moduleToTest = Resolve-ModuleSource
+
+        Remove-Module PSIni -ErrorAction SilentlyContinue
+        Import-Module $moduleToTest -Force -ErrorAction Stop
+
+        $script:dummyFile = "TestDrive:\dummy_$(Get-Random).ini"
+        $script:bigIniFile = "$PSScriptRoot/large_sample.ini"
+    }
+
+    It "test file is larger than 2.5MB" {
+        (Get-Item $bigIniFile).Length | Should -BeGreaterThan 2.5MB
+        (Get-Item $bigIniFile).Length | Should -Be 2889891
+    }
+
+    Describe "Importing" {
+        BeforeAll {
+            $script:durationInMs = Get-AverageExecutionTime { Import-Ini $bigIniFile -ErrorAction Stop } -Count 10
+        }
+
+        It "processes a large INI file in less than <_> seconds" -TestCases @(
+            10, 5, 3, 2.5 #, 2, 1
+        ) {
+            $durationInMs | Should -BeLessThan ($_ * 1000)
+        }
+    }
+
+    Describe "Exporting" {
+        BeforeAll {
+            $iniContent = Import-Ini $bigIniFile -ErrorAction Stop
+            $script:durationInMs = Get-AverageExecutionTime { $iniContent | Export-Ini -Path $dummyFile -ErrorAction Stop } -Count 10
+        }
+
+        It "exports a large INI file in less than <_> seconds" -TestCases @(
+            10, 5, 3, 2.5 #, 2, 1
+        ) {
+            $durationInMs | Should -BeLessThan ($_ * 1000)
+        }
+    }
+}