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GitHubRepository.Tests.ps1
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GitHubRepository.Tests.ps1
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#requires -RunAsAdministrator
#requires -Version 4
$moduleName = 'GitHubRepository';
if (!$PSScriptRoot) { # $PSScriptRoot is not defined in 2.0
$PSScriptRoot = [System.IO.Path]::GetDirectoryName($MyInvocation.MyCommand.Path)
}
$repoRoot = (Resolve-Path $PSScriptRoot).Path;
Import-Module (Join-Path -Path $RepoRoot -ChildPath "$moduleName.psm1") -Force;
Describe $moduleName {
InModuleScope $moduleName {
Context 'Validates "NewDirectory" method' {
## Need to resolve actual filesystem path for System.IO.DirectoryInfo calls
$testDirectoryPath = "$((Get-PSdrive -Name TestDrive).Root)\NewDirectory";
BeforeEach {
Remove-Item -Path 'TestDrive:\NewDirectory' -Force -ErrorAction SilentlyContinue;
}
It 'Returns a "System.IO.DirectoryInfo" object if target "Path" already exists' {
$testDirectoryPath = "$env:SystemRoot";
Test-Path -Path $testDirectoryPath | Should Be $true;
(NewDirectory -Path $testDirectoryPath) -is [System.IO.DirectoryInfo] | Should Be $true;
}
It 'Returns a "System.IO.DirectoryInfo" object if target "Path" does not exist' {
(NewDirectory -Path $testDirectoryPath) -is [System.IO.DirectoryInfo] | Should Be $true;
}
It 'Creates target "Path" if it does not exist' {
Test-Path -Path $testDirectoryPath | Should Be $false;
NewDirectory -Path $testDirectoryPath;
Test-Path -Path $testDirectoryPath | Should Be $true;
}
It 'Returns a "System.IO.DirectoryInfo" object if target "DirectoryInfo" already exists' {
$testDirectoryPath = "$env:SystemRoot";
Test-Path -Path $testDirectoryPath | Should Be $true;
$directoryInfo = New-Object -TypeName System.IO.DirectoryInfo -ArgumentList $testDirectoryPath;
($directoryInfo | NewDirectory ) -is [System.IO.DirectoryInfo] | Should Be $true;
}
It 'Returns a "System.IO.DirectoryInfo" object if target "DirectoryInfo" does not exist' {
Test-Path -Path $testDirectoryPath | Should Be $false;
NewDirectory -Path $testDirectoryPath;
Test-Path -Path $testDirectoryPath | Should Be $true;
(NewDirectory -Path $testDirectoryPath) -is [System.IO.DirectoryInfo] | Should Be $true;
}
It 'Creates target "DirectoryInfo" if it does not exist' {
Test-Path -Path $testDirectoryPath | Should Be $false;
$directoryInfo = New-Object -TypeName System.IO.DirectoryInfo -ArgumentList $testDirectoryPath;
$directoryInfo | NewDirectory;
Test-Path -Path $testDirectoryPath | Should Be $true;
}
} #end context Validates "NewDirectory" method
Context 'Validates "ResolveGitHubUri" method' {
It 'Returns a "System.Uri" object type' {
$testOwner = 'TestOwner';
$testRepository = 'TestRepository';
$uri = ResolveGitHubUri -Owner $testOwner -Repository $testRepository;
$uri -is [System.Uri] | Should Be $true;
}
It 'Defaults to "master" branch' {
$testOwner = 'TestOwner';
$testRepository = 'TestRepository';
$uri = ResolveGitHubUri -Owner $testOwner -Repository $testRepository;
$uri -match "/$testOwner/$testRepository/archive/master.zip" | Should Be $true;
}
} #end context Validates "ResolveGitHubUri" method
Context 'Validates "Install-GitHubRepository" method' {
It 'Returns a "System.IO.DirectoryInfo" object type' {
$testOwner = 'TestOwner';
$testRepository = 'TestRepository';
$testDestinationPath = 'TestDrive:\';
Mock Invoke-WebRequest -MockWith { New-Item -Path $OutFile -ItemType File -Force -ErrorAction SilentlyContinue; }
Mock ExpandZipArchive -MockWith { New-Item -Path "$DestinationPath\$Repository" -ItemType Directory -Force -ErrorAction SilentlyContinue; }
$directoryInfo = Install-GitHubRepository -Owner $testOwner -Repository $testRepository -DestinationPath $testDestinationPath;
$directoryInfo -is [System.IO.DirectoryInfo] | Should Be $true;
}
It 'Calls "ExpandZipArchive" with "OverrideRepository" when specified' {
$testOwner = 'TestOwner';
$testRepository = 'TestRepository';
$testOverrideRepository = 'MyRepository';
$testDestinationPath = 'TestDrive:\';
Mock Invoke-WebRequest -MockWith { New-Item -Path $OutFile -ItemType File -Force -ErrorAction SilentlyContinue; }
Mock ExpandZipArchive -ParameterFilter { -not [String]::IsNullOrEmpty($OverrideRepository) } -MockWith { New-Item -Path "$DestinationPath\$OverrideRepository" -ItemType Directory -Force -ErrorAction SilentlyContinue; }
Install-GitHubRepository -Owner $testOwner -Repository $testRepository -DestinationPath $testDestinationPath -OverrideRepository $testOverrideRepository;
Assert-MockCalled ExpandZipArchive -ParameterFilter { -not [String]::IsNullOrEmpty($OverrideRepository) } -Scope It;
}
It 'Calls "ExpandZipArchive" with "Force" when specified' {
$testOwner = 'TestOwner';
$testRepository = 'TestRepository';
$testDestinationPath = 'TestDrive:\';
Mock Invoke-WebRequest -MockWith { New-Item -Path $OutFile -ItemType File -Force -ErrorAction SilentlyContinue; }
Mock ExpandZipArchive -ParameterFilter { $Force -eq $true } -MockWith { New-Item -Path "$DestinationPath\$Repository" -ItemType Directory -Force -ErrorAction SilentlyContinue; }
Install-GitHubRepository -Owner $testOwner -Repository $testRepository -DestinationPath $testDestinationPath -Force;
Assert-MockCalled ExpandZipArchive -ParameterFilter { $Force -eq $true } -Scope It;
}
It 'Calls "ExpandZipArchive" with "Clean" when specified' {
$testOwner = 'TestOwner';
$testRepository = 'TestRepository';
$testDestinationPath = 'TestDrive:\';
Mock Invoke-WebRequest -MockWith { New-Item -Path $OutFile -ItemType File -Force -ErrorAction SilentlyContinue; }
Mock ExpandZipArchive -ParameterFilter { $Clean -eq $true } -MockWith { New-Item -Path "$DestinationPath\$Repository" -ItemType Directory -Force -ErrorAction SilentlyContinue; }
Install-GitHubRepository -Owner $testOwner -Repository $testRepository -DestinationPath $testDestinationPath -Clean;
Assert-MockCalled ExpandZipArchive -ParameterFilter { $Clean -eq $true } -Scope It;
}
It 'Calls "Invoke-WebRequest" with "/archive/master.zip" by default' {
$testOwner = 'TestOwner';
$testRepository = 'TestRepository';
$testDestinationPath = 'TestDrive:\';
Mock Invoke-WebRequest -ParameterFilter { $Uri -match '/archive/master.zip' } -MockWith { New-Item -Path $OutFile -ItemType File -Force -ErrorAction SilentlyContinue; }
Mock ExpandZipArchive { New-Item -Path "$DestinationPath\$Repository" -ItemType Directory -Force -ErrorAction SilentlyContinue; }
Install-GitHubRepository -Owner $testOwner -Repository $testRepository -DestinationPath $testDestinationPath;
Assert-MockCalled Invoke-WebRequest -ParameterFilter { $Uri -match '/archive/master.zip' } -Scope It;
}
It 'Calls "Invoke-WebRequest" with "/archive/dev.zip" when "Branch" is specified' {
$testOwner = 'TestOwner';
$testRepository = 'TestRepository';
$testDestinationPath = 'TestDrive:\';
$testBranch = 'dev';
Mock Invoke-WebRequest -ParameterFilter { $Uri -match "/archive/$testBranch.zip$" } -MockWith { New-Item -Path $OutFile -ItemType File -Force -ErrorAction SilentlyContinue; }
Mock ExpandZipArchive { New-Item -Path "$DestinationPath\$Repository" -ItemType Directory -Force -ErrorAction SilentlyContinue; }
Install-GitHubRepository -Owner $testOwner -Repository $testRepository -DestinationPath $testDestinationPath -Branch $testBranch;
Assert-MockCalled Invoke-WebRequest -ParameterFilter { $Uri -match "/archive/$testBranch.zip$" } -Scope It;
}
} #end context Validates "Install-GitHubRepository" method
} #end InModuleScope
} #end describe