Unify release selection across clients

scripts/test-install-windows.ps1

@@ -0,0 +1,168 @@
+$ErrorActionPreference = "Stop"
+$ProgressPreference = "SilentlyContinue"
+
+$version = "9.8.7-rc3"
+$root = Join-Path ([System.IO.Path]::GetTempPath()) ("dosh-installer-test-" + [guid]::NewGuid())
+$webRoot = Join-Path $root "web"
+$repoRoot = Join-Path $webRoot "repo"
+$releaseRoot = Join-Path $repoRoot "releases\download\v$version"
+$rawRoot = Join-Path $repoRoot "raw\branch\main"
+$stageRoot = Join-Path $root "stage\dosh"
+$requestLog = Join-Path $root "requests.log"
+$prefix = Join-Path $root "prefix"
+$home = Join-Path $root "home"
+$unrelated = Join-Path $root "unrelated"
+$job = $null
+$savedBinaryVersion = $env:DOSH_BINARY_VERSION
+$savedBinaryExact = $env:DOSH_BINARY_EXACT
+
+function Invoke-TestInstaller($HomePath, $WorkingDirectory, $InstallPrefix, $Repository) {
+    $savedHome = $env:HOME
+    $savedUserProfile = $env:USERPROFILE
+    try {
+        $env:HOME = $HomePath
+        $env:USERPROFILE = $HomePath
+        Push-Location $WorkingDirectory
+        try {
+            $powershell = (Get-Process -Id $PID).Path
+            & $powershell -NoProfile -ExecutionPolicy Bypass -File (Join-Path $PSScriptRoot "..\install.ps1") -Role client -Repo $Repository -Prefix $InstallPrefix -BinaryRequired
+            if ($LASTEXITCODE -ne 0) {
+                throw "Windows installer exited with status $LASTEXITCODE"
+            }
+        }
+        finally {
+            Pop-Location
+        }
+    }
+    finally {
+        $env:HOME = $savedHome
+        $env:USERPROFILE = $savedUserProfile
+    }
+}
+
+try {
+    New-Item -ItemType Directory -Force -Path $releaseRoot, $rawRoot, (Join-Path $stageRoot "bin"), $home, $unrelated | Out-Null
+    @"
+[package]
+name = "dosh"
+version = "$version"
+"@ | Set-Content -Encoding ascii -NoNewline (Join-Path $rawRoot "Cargo.toml")
+    @"
+[package]
+name = "not-dosh"
+version = "99.0.0"
+"@ | Set-Content -Encoding ascii -NoNewline (Join-Path $unrelated "Cargo.toml")
+    "$version`n" | Set-Content -Encoding ascii -NoNewline (Join-Path $stageRoot "VERSION")
+    "fixture" | Set-Content -Encoding ascii -NoNewline (Join-Path $stageRoot "bin\dosh-client.exe")
+
+    $archive = Join-Path $releaseRoot "dosh-windows-x86_64.zip"
+    Compress-Archive -Force -Path $stageRoot -DestinationPath $archive
+    $digest = (Get-FileHash -Algorithm SHA256 $archive).Hash.ToLowerInvariant()
+    "$digest  dosh-windows-x86_64.zip`n" | Set-Content -Encoding ascii -NoNewline "$archive.sha256"
+
+    $probe = [System.Net.Sockets.TcpListener]::new([System.Net.IPAddress]::Loopback, 0)
+    $probe.Start()
+    $port = ([System.Net.IPEndPoint]$probe.LocalEndpoint).Port
+    $probe.Stop()
+    $listenPrefix = "http://127.0.0.1:$port/"
+    $job = Start-Job -ArgumentList $webRoot, $listenPrefix, $requestLog -ScriptBlock {
+        param($Root, $Prefix, $Log)
+        $listener = [System.Net.HttpListener]::new()
+        $listener.Prefixes.Add($Prefix)
+        $listener.Start()
+        try {
+            while ($listener.IsListening) {
+                $context = $listener.GetContext()
+                $path = [System.Uri]::UnescapeDataString($context.Request.Url.AbsolutePath.TrimStart('/'))
+                Add-Content -Encoding ascii -Path $Log -Value $context.Request.Url.AbsolutePath
+                $file = Join-Path $Root ($path.Replace('/', [System.IO.Path]::DirectorySeparatorChar))
+                if (Test-Path -LiteralPath $file -PathType Leaf) {
+                    $bytes = [System.IO.File]::ReadAllBytes($file)
+                    $context.Response.StatusCode = 200
+                    $context.Response.ContentLength64 = $bytes.Length
+                    if ($context.Request.HttpMethod -ne "HEAD") {
+                        $context.Response.OutputStream.Write($bytes, 0, $bytes.Length)
+                    }
+                } else {
+                    $context.Response.StatusCode = 404
+                }
+                $context.Response.Close()
+            }
+        }
+        finally {
+            $listener.Stop()
+        }
+    }
+
+    $ready = $false
+    for ($attempt = 0; $attempt -lt 50; $attempt++) {
+        try {
+            Invoke-WebRequest -UseBasicParsing -Uri "${listenPrefix}repo/raw/branch/main/Cargo.toml" | Out-Null
+            $ready = $true
+            break
+        }
+        catch {
+            Start-Sleep -Milliseconds 100
+        }
+    }
+    if (-not $ready) {
+        throw "installer fixture HTTP server did not start"
+    }
+
+    $env:DOSH_BINARY_VERSION = "v0.1.17"
+    Remove-Item Env:DOSH_BINARY_EXACT -ErrorAction SilentlyContinue
+    Invoke-TestInstaller $home $unrelated $prefix "${listenPrefix}repo.git"
+
+    if (-not (Test-Path (Join-Path $prefix "bin\dosh-client.exe"))) {
+        throw "Windows installer did not install dosh-client.exe"
+    }
+    $requests = Get-Content $requestLog -Raw
+    if ($requests -notmatch "/repo/raw/branch/main/Cargo.toml") {
+        throw "Windows installer did not read the repository release version"
+    }
+    if ($requests -notmatch "/repo/releases/download/v$([regex]::Escape($version))/dosh-windows-x86_64.zip") {
+        throw "Windows installer did not request the repository-declared release artifact"
+    }
+    if ($requests -match "/releases/latest" -or $requests -match "99.0.0") {
+        throw "Windows installer used a stable redirect or unrelated Cargo.toml"
+    }
+
+    "fixture-v2" | Set-Content -Encoding ascii -NoNewline (Join-Path $stageRoot "bin\dosh-client.exe")
+    Compress-Archive -Force -Path $stageRoot -DestinationPath $archive
+    $digest = (Get-FileHash -Algorithm SHA256 $archive).Hash.ToLowerInvariant()
+    "$digest  dosh-windows-x86_64.zip`n" | Set-Content -Encoding ascii -NoNewline "$archive.sha256"
+
+    $installedAlias = Join-Path $prefix "bin\dosh.exe"
+    $lock = [System.IO.File]::Open($installedAlias, [System.IO.FileMode]::Open, [System.IO.FileAccess]::Read, [System.IO.FileShare]::None)
+    try {
+        Invoke-TestInstaller $home $unrelated $prefix "${listenPrefix}repo.git"
+        $pending = @(Get-ChildItem (Join-Path $prefix "bin") -Filter "dosh.exe.pending.*")
+        if ($pending.Count -ne 1) {
+            throw "locked Windows executable was not staged exactly once"
+        }
+    }
+    finally {
+        $lock.Dispose()
+    }
+    $replaced = $false
+    for ($attempt = 0; $attempt -lt 100; $attempt++) {
+        if ((Get-Content $installedAlias -Raw) -eq "fixture-v2" -and -not (Get-ChildItem (Join-Path $prefix "bin") -Filter "dosh.exe.pending.*")) {
+            $replaced = $true
+            break
+        }
+        Start-Sleep -Milliseconds 100
+    }
+    if (-not $replaced) {
+        throw "staged Windows executable was not applied after its lock was released"
+    }
+    Write-Host "Windows installer runtime test passed"
+}
+finally {
+    $env:DOSH_BINARY_VERSION = $savedBinaryVersion
+    $env:DOSH_BINARY_EXACT = $savedBinaryExact
+    if ($job) {
+        Stop-Job $job -ErrorAction SilentlyContinue
+        Remove-Job $job -Force -ErrorAction SilentlyContinue
+    }
+    Remove-Item -Recurse -Force $root -ErrorAction SilentlyContinue
+}