fix(scoop-status): sanitize app names and import Get-UserAgent if missing

lib/core.ps1

@@ -544,6 +544,9 @@ function Test-HelperInstalled {
 }
 
 function app_status($app, $global) {
+    if ([string]::IsNullOrWhiteSpace($app)) {
+        throw 'The value of $app may not be null, empty, or whitespace!'
+    }
     $status = @{}
     $status.installed = installed $app $global
     $status.version = Select-CurrentVersion -AppName $app -Global:$global

lib/download.ps1

@@ -457,9 +457,9 @@ function Invoke-CachedAria2Download ($app, $version, $manifest, $architecture, $
             warn "Download failed! (Error $lastexitcode) $(aria_exit_code $lastexitcode)"
             warn $urlstxt_content
             warn $aria2
-            warn $(new_issue_msg $app $bucket "download via aria2 failed")
+            warn $(new_issue_msg $app $bucket 'download via aria2 failed')
 
-            Write-Host "Fallback to default downloader ..."
+            Write-Host 'Fallback to default downloader ...'
 
             try {
                 foreach ($url in $urls) {
@@ -550,6 +550,9 @@ function Get-UserAgent() {
 
 function setup_proxy() {
     # note: '@' and ':' in password must be escaped, e.g. 'p@ssword' -> p\@ssword'
+    if (-not (Test-Path Function:/get_config)) {
+        . "$PSScriptRoot/core.ps1"
+    }
     $proxy = get_config PROXY
     if (!$proxy) {
         return

lib/manifest.ps1

@@ -14,14 +14,15 @@ function parse_json($path) {
 function url_manifest($url) {
     $str = $null
     try {
+        if (-not (Test-Path Function:/Get-UserAgent)) {
+            . "$PSScriptRoot/download.ps1"
+        }
         $wc = New-Object Net.Webclient
         $wc.Headers.Add('User-Agent', (Get-UserAgent))
         $data = $wc.DownloadData($url)
         $str = (Get-Encoding($wc)).GetString($data)
-    } catch [system.management.automation.methodinvocationexception] {
-        warn "error: $($_.exception.innerexception.message)"
-    } catch {
-        throw
+    } catch [System.Management.Automation.MethodInvocationException] {
+        warn "error: $($_.Exception.InnerException.Message)"
     }
     if (!$str) { return $null }
     try {
@@ -68,6 +69,9 @@ function Get-Manifest($app) {
 }
 
 function manifest($app, $bucket, $url) {
+    if ([string]::IsNullOrWhiteSpace($app)) {
+        throw [System.ArgumentException]::new('The value of $app may not be null, empty, or whitespace!')
+    }
     if ($url) { return url_manifest $url }
     parse_json (manifest_path $app $bucket)
 }

libexec/scoop-status.ps1

@@ -23,7 +23,7 @@ function Test-UpdateStatus($repopath) {
     if (Test-Path "$repopath\.git") {
         Invoke-Git -Path $repopath -ArgumentList @('fetch', '-q', 'origin')
         $script:network_failure = 128 -eq $LASTEXITCODE
-        $branch  = Invoke-Git -Path $repopath -ArgumentList @('branch', '--show-current')
+        $branch = Invoke-Git -Path $repopath -ArgumentList @('branch', '--show-current')
         $commits = Invoke-Git -Path $repopath -ArgumentList @('log', "HEAD..origin/$branch", '--oneline')
         if ($commits) { return $true }
         else { return $false }
@@ -55,19 +55,21 @@ $true, $false | ForEach-Object { # local and global apps
     $dir = appsdir $global
     if (!(Test-Path $dir)) { return }
 
-    Get-ChildItem $dir | Where-Object name -NE 'scoop' | ForEach-Object {
-        $app = $_.name
+    [string[]] $appNames = (Get-ChildItem $dir -Directory -Name -Exclude 'scoop' | Where-Object Length -GT 0) ?? @()
+    if ($appNames.Length -eq 0) { return }
+
+    foreach ($app in $appNames) {
         $status = app_status $app $global
-        if (!$status.outdated -and !$status.failed -and !$status.removed -and !$status.missing_deps) { return }
+        if (-not ($status.outdated -or $status.failed -or $status.removed -or $status.missing_deps)) { continue }
 
         $item = [ordered]@{}
         $item.Name = $app
         $item.'Installed Version' = $status.version
-        $item.'Latest Version' = if ($status.outdated) { $status.latest_version } else { "" }
+        $item.'Latest Version' = if ($status.outdated) { $status.latest_version } else { '' }
         $item.'Missing Dependencies' = $status.missing_deps -Split ' ' -Join ' | '
         $info = @()
-        if ($status.failed)  { $info += 'Install failed' }
-        if ($status.hold)    { $info += 'Held package' }
+        if ($status.failed) { $info += 'Install failed' }
+        if ($status.hold) { $info += 'Held package' }
         if ($status.removed) { $info += 'Manifest removed' }
         $item.Info = $info -join ', '
         $list += [PSCustomObject]$item

test/Scoop-Status.Tests.ps1

@@ -0,0 +1,61 @@
+# copied from scoop-status.ps1 and modified
+BeforeAll {
+    . "$PSScriptRoot\..\lib\manifest.ps1" # 'manifest' 'parse_json' "install_info"
+    . "$PSScriptRoot\..\lib\versions.ps1" # 'Select-CurrentVersion'
+    . "$PSScriptRoot\..\lib\core.ps1" # 'versiondir'
+    Import-Module "$PSScriptRoot\..\lib\core.ps1" -Function 'versiondir'
+
+    # check if scoop needs updating
+    $currentdir = versiondir 'scoop' 'current'
+    $needs_update = $false
+    $bucket_needs_update = $false
+    $script:network_failure = $false
+    $no_remotes = $args[0] -eq '-l' -or $args[0] -eq '--local'
+    if (!(Get-Command git -ErrorAction SilentlyContinue)) { $no_remotes = $true }
+    $list = @()
+    if (!(Get-FormatData ScoopStatus)) {
+        Update-FormatData "$PSScriptRoot\..\supporting\formats\ScoopTypes.Format.ps1xml"
+    }
+}
+
+# script-level content
+# todo
+Describe -Skip 'Show status and check for new app versions' -Tag 'Scoop' {
+    # scoop-status.ps1 is not structured in a way that makes this easy to test
+    # todo: refactor scoop-status.ps1's loop bodies to functions for easier testing
+    It 'throws when Global or User appdir is empty or does not exist' -Skip {
+
+    }
+}
+
+Describe 'Test-UpdateStatus' -Tag 'Scoop' {
+    BeforeAll {
+        Import-Module "$PSScriptRoot/../libexec/scoop-status.ps1" -Function 'Test-UpdateStatus'
+    }
+    # todo
+    It -Skip 'should return $true if $commits is falsy' {
+
+    }
+    # todo
+    It -Skip 'should return $false if $commits is truthy' {
+
+    }
+    It 'should return $true if "$repopath\.git`" does not exist' {
+        function makeTmpDir {
+            [OutputType([System.IO.DirectoryInfo])]
+            Param ()
+
+            [string] $tmpDirPath = Join-Path $env:TEMP $(New-Guid)
+
+            while (Test-Path $tmpDirPath) {
+                $tmpDirPath = Join-Path $env:TEMP $(New-Guid)
+            }
+
+            [System.IO.DirectoryInfo] $TmpDirInfo = New-Item $tmpDirPath -ItemType Directory
+            return $TmpDirInfo
+
+        }
+        [System.IO.DirectoryInfo] $emptyDir = makeTmpDir
+        Test-UpdateStatus $emptyDir.FullName | Should -Be $true
+    }
+}