Added tests for verify the correct folders get added to be used for C…

…odeCoverage PowerShell#173

Tests/Unit/AppVeyor.Tests.ps1

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+$script:ModuleName = 'AppVeyor'
+$script:moduleRootPath = Split-Path -Path (Split-Path -Path $PSScriptRoot -Parent) -Parent
+$env:APPVEYOR_BUILD_FOLDER = 'c:\project\'
+Describe "$($script:ModuleName) Unit Tests" {
+    BeforeAll {
+        Import-Module -Name (Join-Path -Path $script:moduleRootPath -ChildPath "$($script:ModuleName).psm1") -Force
+        Import-Module -Name (Join-Path -Path $script:moduleRootPath -ChildPath "TestHelper.psm1") -Force
+    } # End BeforeAll
+
+    InModuleScope $script:ModuleName {
+        # Added functions that are specific to AppVeyor environment so mocks would not fail
+        Function Add-AppveyorTest { }
+        Function Resolve-CoverageInfo { }
+        Function Invoke-UploadCoveCoveIoReport { }
+        Describe 'Invoke-AppveyorTestScriptTask' { 
+            context 'CodeCoverage' {
+                $pesterReturnedValues = @{
+                    PassedCount = 1
+                    FailedCount = 0
+                }
+                BeforeAll {
+                    Mock -CommandName Add-AppveyorTest -MockWith { }
+                    Mock -CommandName Push-TestArtifact -MockWith { }
+                    Mock -CommandName Invoke-UploadCoveCoveIoReport -MockWith { }
+                    Mock -CommandName Test-Path -MockWith { return $False }
+                    Mock -CommandName Get-ChildItem -MockWith { return "file.Tests.ps1" }
+                    Mock -CommandName Get-ChildItem -MockWith { return $null } -ParameterFilter {$Include -eq '*.config.ps1'}
+                    Mock -CommandName Resolve-CoverageInfo -MockWith { }
+                    Mock -CommandName Invoke-Pester -MockWith { return $pesterReturnedValues}
+                    Mock -CommandName Invoke-Pester -MockWith { return $pesterReturnedValues} -ParameterFilter {$CodeCoverage -contains "$env:APPVEYOR_BUILD_FOLDER\DSCClassResources\**\*.psm1"}
+                    Mock -CommandName Invoke-Pester -MockWith { return $pesterReturnedValues} -ParameterFilter {$CodeCoverage -contains "$env:APPVEYOR_BUILD_FOLDER\DSCResources\**\*.psm1"}
+                    # Making sure there is no output when performing tests 
+                    Mock -CommandName Write-Verbose -MockWith { }
+                    Mock -CommandName Write-Warning -MockWith { }
+                    Mock -CommandName Write-Info -MockWith { }
+                } # End BeforeAll
+                AfterEach {
+                    Assert-MockCalled -CommandName Test-Path -Times 1 -Exactly -Scope It -ParameterFilter {$Path -eq "$env:APPVEYOR_BUILD_FOLDER\DSCClassResources"}
+                    Assert-MockCalled -CommandName Test-Path -Times 1 -Exactly -Scope It -ParameterFilter {$Path -eq "$env:APPVEYOR_BUILD_FOLDER\DSCResources"}
+                    Assert-MockCalled -CommandName Test-Path -Times 2 -Exactly -Scope It
+                    Assert-MockCalled -CommandName Get-ChildItem -Times 1 -Exactly -Scope It -ParameterFilter {$Include -eq '*.config.ps1'}
+                    Assert-MockCalled -CommandName Get-ChildItem -Times 2 -Exactly -Scope It
+                } # End AfterEach
+                It 'Should only include DSCClassResources for CodeCoverage' {
+                    Mock -CommandName Test-Path -MockWith { return $true } -ParameterFilter {$Path -eq "$env:APPVEYOR_BUILD_FOLDER\DSCClassResources"}
+                    Mock -CommandName Test-Path -MockWith { return $false } -ParameterFilter {$Path -and $Path -eq "$env:APPVEYOR_BUILD_FOLDER\DSCResources"}
+
+                    { Invoke-AppveyorTestScriptTask -CodeCoverage } | Should Not Throw
+
+                    Assert-MockCalled -CommandName Invoke-Pester -Times 1 -Exactly -Scope It -ParameterFilter {$CodeCoverage -contains "$env:APPVEYOR_BUILD_FOLDER\DSCClassResources\**\*.psm1"}
+                    Assert-MockCalled -CommandName Invoke-Pester -Times 0 -Exactly -Scope It -ParameterFilter {$CodeCoverage -contains "$env:APPVEYOR_BUILD_FOLDER\DSCResources\**\*.psm1"}
+                } # End It DSCClassResources only
+                It 'Should only include DSCResources for CodeCoverage' {
+                    Mock -CommandName Test-Path -MockWith { return $false } -ParameterFilter {$Path -eq "$env:APPVEYOR_BUILD_FOLDER\DSCClassResources"}
+                    Mock -CommandName Test-Path -MockWith { return $true } -ParameterFilter {$Path -and $Path -eq "$env:APPVEYOR_BUILD_FOLDER\DSCResources"}
+
+                    { Invoke-AppveyorTestScriptTask -CodeCoverage } | Should Not Throw
+
+                    Assert-MockCalled -CommandName Invoke-Pester -Times 0 -Exactly -Scope It -ParameterFilter {$CodeCoverage -contains "$env:APPVEYOR_BUILD_FOLDER\DSCClassResources\**\*.psm1"}
+                    Assert-MockCalled -CommandName Invoke-Pester -Times 1 -Exactly -Scope It -ParameterFilter {$CodeCoverage -contains "$env:APPVEYOR_BUILD_FOLDER\DSCResources\**\*.psm1"}
+                } # End It DSCResources only
+                It 'Should use DSCResources and DSCClassResources for CodeCoverage' {
+                    Mock -CommandName Test-Path -MockWith { return $true } -ParameterFilter {$Path -eq "$env:APPVEYOR_BUILD_FOLDER\DSCClassResources"}
+                    Mock -CommandName Test-Path -MockWith { return $true } -ParameterFilter {$Path -and $Path -eq "$env:APPVEYOR_BUILD_FOLDER\DSCResources"}
+
+                    { Invoke-AppveyorTestScriptTask -CodeCoverage } | Should Not Throw
+
+                    Assert-MockCalled -CommandName Invoke-Pester -Times 1 -Exactly -Scope It -ParameterFilter {$CodeCoverage -contains "$env:APPVEYOR_BUILD_FOLDER\DSCClassResources\**\*.psm1"}
+                    Assert-MockCalled -CommandName Invoke-Pester -Times 1 -Exactly -Scope It -ParameterFilter {$CodeCoverage -contains "$env:APPVEYOR_BUILD_FOLDER\DSCResources\**\*.psm1"}
+                } # End It Both DSCResources and DSCClassResources
+            } # End context CodeCoverage
+        } # End Describe Invoke-AppveyorTestScriptTask Tests
+    } # End inModuleScope
+} # End Describe Module Unit Tests