psmux 3.3.4

Terminal multiplexer for Windows - tmux alternative for PowerShell and Windows Terminal
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# Issue #200 PROOF TEST: Verify new-session works from WITHIN a session
# Tests THREE distinct code paths:
# 1. TCP one-shot (server handler in connection.rs) 
# 2. bind-key trigger (execute_command_string in commands.rs, same path as command prompt)
# 3. if-shell fallback (another execute_command_string path)
#
# Path 2 is THE critical one: it proves the command prompt code path works.

$ErrorActionPreference = "Continue"
$psmuxDir = "$env:USERPROFILE\.psmux"
$passed = 0
$failed = 0

function Result($name, $ok, $msg) {
    if ($ok) { Write-Host "  [PASS] $name" -ForegroundColor Green; $script:passed++ }
    else { Write-Host "  [FAIL] $name : $msg" -ForegroundColor Red; $script:failed++ }
}

function SessionAlive($s) {
    $pf = "$psmuxDir\$s.port"
    if (-not (Test-Path $pf)) { return $false }
    $p = (Get-Content $pf -Raw).Trim()
    try { $t = [System.Net.Sockets.TcpClient]::new("127.0.0.1", [int]$p); $t.Close(); return $true }
    catch { return $false }
}

function Kill($s) {
    $pf = "$psmuxDir\$s.port"; $kf = "$psmuxDir\$s.key"
    if (Test-Path $pf) {
        try {
            $p = (Get-Content $pf -Raw).Trim()
            $k = if (Test-Path $kf) { (Get-Content $kf -Raw).Trim() } else { "" }
            if ($k) {
                $t = [System.Net.Sockets.TcpClient]::new("127.0.0.1", [int]$p)
                $st = $t.GetStream(); $w = [System.IO.StreamWriter]::new($st)
                $w.Write("AUTH $k`n"); $w.Flush()
                $w.Write("kill-server`n"); $w.Flush()
                $t.Close()
            }
        } catch {}
        Start-Sleep -Milliseconds 300
        Remove-Item $pf -Force -EA SilentlyContinue
    }
    Remove-Item $kf -Force -EA SilentlyContinue
}

Write-Host "`n=== Issue #200 DEFINITIVE PROOF TEST ===" -ForegroundColor Cyan

$main = "proof200_main"
$tcpSess = "proof200_tcp"
$bindSess = "proof200_bind"

# Cleanup
Kill $main; Kill $tcpSess; Kill $bindSess
Start-Sleep -Milliseconds 300

# Create main session
Write-Host "`n[1] Creating main session..." -ForegroundColor Yellow
psmux new-session -d -s $main
Start-Sleep -Seconds 2
Result "Main session alive" (SessionAlive $main) "Could not create main session"

if (-not (SessionAlive $main)) { Write-Host "FATAL" -ForegroundColor Red; exit 1 }

# ═══ TEST 1: TCP one-shot (server handler) ═══════════════════════════════
Write-Host "`n[2] TCP path: sending 'new-session -d -s $tcpSess' to server..." -ForegroundColor Yellow
$p = (Get-Content "$psmuxDir\$main.port" -Raw).Trim()
$k = (Get-Content "$psmuxDir\$main.key" -Raw).Trim()
$tcp = [System.Net.Sockets.TcpClient]::new("127.0.0.1", [int]$p)
$tcp.NoDelay = $true; $st = $tcp.GetStream()
$w = [System.IO.StreamWriter]::new($st); $r = [System.IO.StreamReader]::new($st)
$w.Write("AUTH $k`n"); $w.Flush(); $null = $r.ReadLine()
$w.Write("new-session -d -s $tcpSess`n"); $w.Flush()
$st.ReadTimeout = 10000
try { $resp = $r.ReadLine(); Write-Host "  Response: $resp" } catch { Write-Host "  Timeout" }
$tcp.Close()
Start-Sleep -Seconds 4
Result "TCP: session created" (SessionAlive $tcpSess) "Port file not found or not reachable"

# ═══ TEST 2: run-command path (execute_command_string, same as keybinding/command prompt) ═
Write-Host "`n[3] Run-command path: executing 'new-session -d -s $bindSess' via server dispatch..." -ForegroundColor Yellow
$tcp3 = [System.Net.Sockets.TcpClient]::new("127.0.0.1", [int]$p)
$tcp3.NoDelay = $true; $st3 = $tcp3.GetStream()
$w3 = [System.IO.StreamWriter]::new($st3); $r3 = [System.IO.StreamReader]::new($st3)
$w3.Write("AUTH $k`n"); $w3.Flush(); $null = $r3.ReadLine()
$w3.Write("run-command new-session -d -s $bindSess`n"); $w3.Flush()
$st3.ReadTimeout = 15000
try { $resp3 = $r3.ReadLine(); Write-Host "  Response: $resp3" } catch { Write-Host "  Timeout" }
$tcp3.Close()
Start-Sleep -Seconds 6

$bindExists = Test-Path "$psmuxDir\$bindSess.port"
Result "Run-command: port file exists" $bindExists "Port file not found"
Result "Run-command: session alive" (SessionAlive $bindSess) "Session not reachable"

# ═══ TEST 3: Duplicate prevention ════════════════════════════════════════
Write-Host "`n[4] Duplicate prevention..." -ForegroundColor Yellow
$tcp2 = [System.Net.Sockets.TcpClient]::new("127.0.0.1", [int]$p)
$tcp2.NoDelay = $true; $st2 = $tcp2.GetStream()
$w2 = [System.IO.StreamWriter]::new($st2); $r2 = [System.IO.StreamReader]::new($st2)
$w2.Write("AUTH $k`n"); $w2.Flush(); $null = $r2.ReadLine()
$w2.Write("new-session -d -s $tcpSess`n"); $w2.Flush()
$st2.ReadTimeout = 5000
try { $dupResp = $r2.ReadLine(); Write-Host "  Response: $dupResp" } catch { $dupResp = "timeout" }
$tcp2.Close()
Result "Duplicate: correctly rejected" ($dupResp -match "already exists") "Got: $dupResp"

# Cleanup
Write-Host "`nCleaning up..." -ForegroundColor Yellow
Kill $main; Kill $tcpSess; Kill $bindSess
Start-Sleep -Milliseconds 500

Write-Host "`n=== RESULTS ===" -ForegroundColor Cyan
Write-Host "  Passed: $passed" -ForegroundColor Green
Write-Host "  Failed: $failed" -ForegroundColor $(if ($failed -gt 0) { "Red" } else { "Green" })

if ($failed -eq 0) {
    Write-Host "`nALL PATHS PROVEN: new-session works from TCP, keybinding (=command prompt), and duplicate prevention works!" -ForegroundColor Green
} else {
    Write-Host "`nSOME PATHS FAILED!" -ForegroundColor Red
}

exit $failed