DocTreeGenerator

2.0.9

Tests/PublishModuleDocumentationTree.Tests.ps1

Import-Module "$PSScriptRoot\..\DocTreeGenerator.psd1" -force

InModuleScope DocTreeGenerator {

    Describe 'Publish-ModuleDocumentationTree' {

        Mock Write-Output
        Mock Remove-Item
        Mock Rename-Item
        Mock New-Item
        Mock Copy-Item
        Mock Copy-Module
        Mock Set-Location
        Mock Test-Path -MockWith { $true } `
            -ParameterFilter { $Path -match [regex]::Escape($config.DocPath) }
        Mock Test-Path -MockWith { $false } `
            -ParameterFilter { $Path -match [regex]::Escape($env:temp) }
        Mock Rename-Item -MockWith { $script:calls += 'rename to backup' } `
            -ParameterFilter { $NewName -eq "$($config.DocPath)-bak" }
        Mock Remove-Item -MockWith { $script:calls += 'remove backup' } `
            -ParameterFilter { $Path -eq "$($config.DocPath)-bak" }
        Mock Convert-HelpToHtmlTree  -MockWith { $script:calls += 'regenerate' }
        Mock GetConfigData { return $configData }

        BeforeEach {
            $script:calls = @()
            $configData = @{
                Namespace = 'myNamespace'
                ProjectRoot = 'my\Project\Root'
                NamespaceOverviewPath = 'ns\path\here'
                DocPath = 'doc\path\here'
                DocTitle = 'My API'
                TemplatePath = 'template\path\here'
                CopyrightYear = '2016'
                RevisionDate = '2016.12.05'
                Modules = @(
                    @{
                           Name = 'name1'
                        SourcePath = 'some\srcpath1'
                        BinPath = 'some\binpath1'
                    },
                    @{
                           Name = 'name2'
                        SourcePath = 'some\srcpath2'
                        BinPath = 'some\binpath2'
                    }
                )
            }
        }

        It 'uses the supplied config file name' {
            Publish-ModuleDocumentationTree 'myConfig.conf'
            Assert-MockCalled GetConfigData 1 { $name -eq 'myConfig.conf'}
        }

        It 'uses a default config file name if none supplied' {
            Publish-ModuleDocumentationTree
            Assert-MockCalled GetConfigData 1 { $name -eq '.\module-doc.conf'}
        }

        It 'copies a single namespace overview for the entire project' {
            Publish-ModuleDocumentationTree "any"
            Assert-MockCalled Copy-Item -Exactly 1 -Scope It `
            -ParameterFilter { $Destination -match $configData.Namespace -and
                $Path -match "$([regex]::Escape($configData.NamespaceOverviewPath)).*namespace_overview"
            }
        }

        It 'does not copy namespace overview if NamespaceOverviewPath is not supplied' {
            $configData.Remove('NamespaceOverviewPath')

            Publish-ModuleDocumentationTree

            Assert-MockCalled Copy-Item -Exactly 0 -Scope It `
            -ParameterFilter { $Path -match "namespace_overview" }
        }

        It 'does not copy namespace overview if NamespaceOverviewPath is whitespace' {
            $configData.NamespaceOverviewPath = ' '

            Publish-ModuleDocumentationTree

            Assert-MockCalled Copy-Item -Exactly 0 -Scope It `
            -ParameterFilter { $Path -match "namespace_overview" }
        }

        It 'copies each module in the config file' {
            Publish-ModuleDocumentationTree "any"
            Assert-MockCalled Copy-Module -Exactly $configData.Modules.Length -Scope It
            $configData.Modules | ForEach-Object {
                Assert-MockCalled Copy-Module -Exactly 1 -Scope It `
                -ParameterFilter { $Name -eq $_.Name -and $Destination -match $_.Name }
            }
        }

        It 'copies a module overview for each module in the config file' {
            Publish-ModuleDocumentationTree "any"
            $configData.Modules | ForEach-Object {
                Assert-MockCalled Copy-Item -Exactly 1 -Scope It `
                -ParameterFilter { $Path -match "module_overview" -and
                    $Destination -match $_.Name }
            }
        }

        It 'gets module overview for each module from the module source directory' {
            Publish-ModuleDocumentationTree "any"
            $configData.Modules | ForEach-Object {
                Assert-MockCalled Copy-Item -Exactly 1 -Scope It `
                   -ParameterFilter { $Path -match [regex]::Escape($_.SourcePath) -and
                       $Path -match [regex]::Escape($configData.ProjectRoot) }
            }
        }

        It 'removes existing backup directory if present before renaming new dir to backup' {
            Publish-ModuleDocumentationTree "any"
            $calls.length | Should Be 3
            $calls[0] | Should Be 'remove backup'
            $calls[1] | Should Be 'rename to backup'
        }

        It 'backs up generated directory before re-generating' {
            Publish-ModuleDocumentationTree "any"
            $calls.length | Should Be 3
            $calls[1] | Should Be 'rename to backup'
            $calls[2] | Should Be 'regenerate'
        }

        It 'invokes Convert-HelpToHtmlTree with expected parameters' {
            Publish-ModuleDocumentationTree "any"
            Assert-MockCalled Convert-HelpToHtmlTree -Exactly 1 -Scope It `
            -ParameterFilter { $Namespaces -eq $configData.Namespace -and
                $TargetDir -eq $configData.DocPath -and
                $Copyright -eq $configData.CopyrightYear -and
                $RevisionDate -eq $configData.RevisionDate -and
                $DocTitle -eq $configData.DocTitle -and
                $TemplateName -match ('{0}.*{1}' -f `
                    [regex]::Escape($configData.ProjectRoot), [regex]::Escape($configData.TemplatePath))
            }
        }
    }
}