---
phase: 04-script-generation
verified: 2026-04-10T12:00:00Z
status: passed
score: 12/12 must-haves verified
re_verification: false
---

# Phase 4: Script Generation Verification Report

**Phase Goal:** The system produces correct, production-ready PowerShell scripts that handle all Intune and RMM execution contexts
**Verified:** 2026-04-10
**Status:** passed
**Re-verification:** No — initial verification

---

## Goal Achievement

### Observable Truths

| # | Truth | Status | Evidence |
|---|-------|--------|----------|
| 1 | render_install() produces a complete PowerShell script containing pnputil /add-driver, Add-PrinterPort, Add-PrinterDriver, Add-Printer, Set-PrintConfiguration | VERIFIED | install.ps1.j2 lines 40-67; test_render_install_contains_pnputil + test_render_install_print_config both pass |
| 2 | Generated install script contains WOW64 relaunch guard as the first executable block | VERIFIED | install.ps1.j2 lines 12-16; PROCESSOR_ARCHITECTURE check at line 12 precedes pnputil at line 40; test_render_install_wow64_guard passes with positional assertion |
| 3 | Generated install script contains SYSTEM vs user detection with UAC self-elevation | VERIFIED | install.ps1.j2 lines 22-33; IsSystem, IsInRole(Administrator), Start-Process -Verb Runas present; test_render_install_uac_guard passes |
| 4 | Set-PrintConfiguration receives translated duplex values (TwoSidedLongEdge, TwoSidedShortEdge) | VERIFIED | _duplex_map in script_generator.py lines 22-26; OneSided/LongEdge/ShortEdge all three variants tested; test_render_install_print_config passes |
| 5 | All add operations are wrapped in idempotency checks (Get-PrinterPort, Get-Printer) | VERIFIED | install.ps1.j2 lines 47-57; Get-PrinterPort check before Add-PrinterPort, Get-Printer check before Add-Printer; test_render_install_idempotency passes with positional assertions |
| 6 | render_uninstall() produces script with Remove-Printer, Remove-PrinterDriver, Remove-PrinterPort in correct order | VERIFIED | uninstall.ps1.j2 lines 2-4; Remove-Printer before Remove-PrinterDriver before Remove-PrinterPort, all with -ErrorAction SilentlyContinue; test_render_uninstall passes |
| 7 | render_detect() produces script that exits 0 with Write-Output when printer found, exits 1 when absent | VERIFIED | detect.ps1.j2 lines 2-8; Get-Printer check, Write-Output + exit 0 on found, exit 1 on absent; test_render_detect passes |
| 8 | GET /printers/{id}/scripts/install returns 200 with PowerShell content and attachment header | VERIFIED | scripts.py lines 38-59; PlainTextResponse with Content-Disposition attachment; test_install_endpoint passes |
| 9 | GET /printers/{id}/scripts/uninstall returns 200 with PowerShell content | VERIFIED | scripts.py lines 63-78; test_uninstall_endpoint passes |
| 10 | GET /printers/{id}/scripts/detect returns 200 with PowerShell content | VERIFIED | scripts.py lines 82-94; test_detect_endpoint passes |
| 11 | GET /printers/{id}/scripts/{type} returns 404 for nonexistent printer | VERIFIED | scripts.py _get_printer_and_driver() line 17; test_script_endpoint_missing_printer passes |
| 12 | GET /printers/{id}/scripts/{type} returns 422 when driver or inf_filename is missing | VERIFIED | scripts.py _get_printer_and_driver() lines 21-33; test_script_endpoint_no_driver passes |

**Score:** 12/12 truths verified

---

## Required Artifacts

### Plan 04-01

| Artifact | Expected | Status | Details |
|----------|----------|--------|---------|
| `imptune/generators/script_generator.py` | Jinja2 Environment + render_install with duplex_map | VERIFIED | 106 lines; _env, _duplex_map, render_install all present; exports render_uninstall and render_detect too |
| `imptune/templates/scripts/install.ps1.j2` | PowerShell install template with WOW64, UAC, pnputil, idempotency | VERIFIED | 68 lines; all required blocks present in correct order |
| `tests/test_script_generator.py` | Unit tests for SCRPT-01, SCRPT-04, SCRPT-05 | VERIFIED | 198 lines; 14 tests (7 unit + 5 integration + 2 unit for uninstall/detect) |

### Plan 04-02

| Artifact | Expected | Status | Details |
|----------|----------|--------|---------|
| `imptune/templates/scripts/uninstall.ps1.j2` | PowerShell uninstall template containing Remove-Printer | VERIFIED | 4 lines; Remove-Printer present |
| `imptune/templates/scripts/detect.ps1.j2` | PowerShell detection template containing Write-Output | VERIFIED | 8 lines; Write-Output present |
| `imptune/api/scripts.py` | Script download endpoints exporting router | VERIFIED | 95 lines; router exported, 3 endpoints + shared validation helper |
| `imptune/generators/script_generator.py` | render_uninstall and render_detect added | VERIFIED | render_uninstall (line 70) and render_detect (line 92) present |

---

## Key Link Verification

### Plan 04-01

| From | To | Via | Status | Details |
|------|----|-----|--------|---------|
| `imptune/generators/script_generator.py` | `imptune/templates/scripts/install.ps1.j2` | Jinja2 FileSystemLoader | WIRED | `_env.get_template("install.ps1.j2")` at line 56; FileSystemLoader points to templates/scripts/ |
| `imptune/generators/script_generator.py` | `imptune/db/models.py` | Printer model fields as template vars | WIRED | render_install takes printer_name, ip_address, port_name as plain string args mirroring model fields; scripts.py passes printer.name, printer.ip_address, printer.port_name |

### Plan 04-02

| From | To | Via | Status | Details |
|------|----|-----|--------|---------|
| `imptune/api/scripts.py` | `imptune/generators/script_generator.py` | import render_install, render_uninstall, render_detect | WIRED | Line 8: `from imptune.generators.script_generator import render_detect, render_install, render_uninstall` |
| `imptune/api/scripts.py` | `imptune/db/models.py` | Printer.get_or_none query with Driver join | WIRED | `Printer.get_or_none(Printer.id == printer_id)` at line 15; `printer.driver` access at line 19 |
| `imptune/main.py` | `imptune/api/scripts.py` | app.include_router(scripts.router) | WIRED | Line 8: scripts in import; line 36: `app.include_router(scripts.router)` |

---

## Requirements Coverage

| Requirement | Source Plan | Description | Status | Evidence |
|-------------|------------|-------------|--------|----------|
| SCRPT-01 | 04-01 | Generate PowerShell install script (pnputil staging + Add-PrinterPort + Add-PrinterDriver + Add-Printer + Set-PrintConfiguration) | SATISFIED | install.ps1.j2 contains all 5 cmdlets; 4 unit tests cover pnputil, idempotency, duplex, booleans; integration test confirms endpoint returns 200 with pnputil in content |
| SCRPT-02 | 04-02 | Generate PowerShell uninstall script (Remove-Printer + Remove-PrinterDriver + Remove-PrinterPort) | SATISFIED | uninstall.ps1.j2 contains all 3 Remove-* cmdlets in safe order; test_render_uninstall asserts ordering and -ErrorAction SilentlyContinue on all three |
| SCRPT-03 | 04-02 | Generate Intune detection script (registry check for printer name) | SATISFIED — with documented deviation | REQUIREMENTS.md says "registry check" but implementation uses Get-Printer cmdlet. 04-RESEARCH.md State of the Art table explicitly documents this decision: "HKLM registry check → Get-Printer cmdlet check — Both work; Get-Printer is more reliable". Intune detection contract (Write-Output + exit 0/1) is correctly implemented. |
| SCRPT-04 | 04-01 | Install script detects SYSTEM vs user context and self-elevates via UAC when run by user | SATISFIED | install.ps1.j2 lines 22-33; WindowsIdentity::GetCurrent(), IsSystem, IsInRole(Administrator), Start-Process -Verb Runas; UAC guard skips elevation when running as SYSTEM |
| SCRPT-05 | 04-01 | Install script includes 64-bit WOW64 relaunch guard for Intune's 32-bit execution context | SATISFIED | install.ps1.j2 lines 12-16; PROCESSOR_ARCHITECTURE + PROCESSOR_ARCHITEW6432 check + SysNative relaunch; positional test confirms guard appears before pnputil |

**Note on SCRPT-03:** The requirement description says "registry check" but the research document (04-RESEARCH.md) explicitly supersedes this with Get-Printer cmdlet approach, noting it is more reliable than the HKLM registry path approach. This is a planned deviation documented before implementation. The functional contract (Intune detection: Write-Output + exit 0 when present, exit 1 when absent) is correctly satisfied.

---

## Anti-Patterns Found

No anti-patterns found in any phase 04 files.

Scanned: `imptune/generators/script_generator.py`, `imptune/api/scripts.py`, `imptune/templates/scripts/install.ps1.j2`, `imptune/templates/scripts/uninstall.ps1.j2`, `imptune/templates/scripts/detect.ps1.j2`

No TODO/FIXME/PLACEHOLDER comments, no empty implementations, no stub returns, no console.log equivalents.

---

## Commit Verification

| Commit | Description | Status |
|--------|-------------|--------|
| b4f2c64 | test(04-01): RED phase — 7 failing tests | FOUND in git log |
| 8193e9d | feat(04-01): script_generator.py + install.ps1.j2 | FOUND in git log |
| 0f213df | test(04-02): failing tests for render_uninstall/detect | FOUND in git log |
| 6bff8f3 | feat(04-02): render_uninstall + render_detect + templates | FOUND in git log |
| b7b0d1b | feat(04-02): script API endpoints + router registration | FOUND in git log |

---

## Test Suite Results

```
tests/test_script_generator.py — 14/14 passed
Full suite — 75/75 passed (no regressions)
```

---

## Human Verification Required

### 1. WOW64 Relaunch — Live 32-bit Context

**Test:** Launch `powershell.exe (x86)` on a Windows endpoint and run the generated install.ps1
**Expected:** Script detects 32-bit process, relaunches under SysNative 64-bit PowerShell, driver staging succeeds
**Why human:** Requires a physical 32-bit PowerShell host; cannot emulate WOW64 in unit tests

### 2. UAC Elevation Prompt — Standard User

**Test:** Run install.ps1 as a non-admin standard user on a real Windows desktop
**Expected:** UAC elevation dialog appears; after approval, printer installs successfully
**Why human:** Requires interactive desktop session with a standard user account

### 3. Intune Detection Contract — Real Intune Enrollment

**Test:** Deploy a printer as an Intune Win32 app using the detect.ps1 as the detection script
**Expected:** Intune marks the app as "Installed" after seeing Write-Output + exit 0
**Why human:** Requires Intune tenant, enrolled device, and deployed Win32 app — not automatable

---

## Summary

Phase 4 goal is fully achieved. All 12 observable truths are verified against actual code, not just SUMMARY claims. The implementation is substantive: templates are real PowerShell (not stubs), render functions use actual Jinja2 template rendering with duplex translation and boolean conversion, and all three API endpoints have complete ORM validation with proper 404/422 error paths.

The three human verification items are real-world deployment concerns that cannot be automated (WOW64 live context, interactive UAC, Intune tenant). These are flagged in the validation strategy document and are expected at this phase.

The SCRPT-03 "registry check" wording in REQUIREMENTS.md is a minor description inaccuracy — the implementation correctly uses Get-Printer per the research document's recommendation, which explicitly documents this as the preferred approach over the registry path. The functional Intune contract is satisfied.

---

_Verified: 2026-04-10_
_Verifier: Claude (gsd-verifier)_
