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1df67c52e2
* fix(viewer): harden PDF report rendering * test(viewer): cover crossed markdown emphasis --------- Co-authored-by: oyasumi <oyasumi@kantilabs.xyz>
244 lines
7.8 KiB
Python
244 lines
7.8 KiB
Python
"""Tests for building and encrypting the viewer PDF report."""
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from __future__ import annotations
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import json
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from io import BytesIO
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from itertools import product
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from typing import TYPE_CHECKING
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import pytest
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from pypdf import PdfReader
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from pypdf.errors import WrongPasswordError
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from reportlab.lib.styles import ParagraphStyle
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from reportlab.platypus import Paragraph
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from strix.interface.viewer.report_pdf import (
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_duration,
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_inline_md,
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_normalize_severity,
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build_encrypted_report,
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encrypt_pdf,
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generate_password,
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generate_report_pdf,
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)
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if TYPE_CHECKING:
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from pathlib import Path
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def _make_run(base: Path, name: str = "sample") -> Path:
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run_dir = base / "strix_runs" / name
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run_dir.mkdir(parents=True)
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record = {
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"run_name": name,
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"targets_info": [{"original": "https://example.com"}],
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"scan_mode": "deep",
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"status": "completed",
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"start_time": "2026-01-01T00:00:00Z",
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"end_time": "2026-01-01T01:02:03Z",
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"scan_results": {
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"executive_summary": "Summary with an ampersand & an <angle> bracket.",
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"recommendations": "Patch things.",
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},
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}
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(run_dir / "run.json").write_text(json.dumps(record), encoding="utf-8")
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vulns = [
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{
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"title": "SQL Injection",
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"severity": "CRITICAL",
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"cvss": 9.8,
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"description": "User input reaches the query.",
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"impact": "Full database read.",
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"technical_analysis": "Details here.",
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"poc_description": "Send a crafted parameter.",
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"poc_script_code": "print('exploit')",
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"evidence": "HTTP 500 with SQL error.",
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"remediation_steps": ["Use parameterized queries", "Validate input"],
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"target": "https://example.com",
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"endpoint": "/login",
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"method": "POST",
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},
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{"title": "Informational note", "severity": "info"},
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]
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(run_dir / "vulnerabilities.json").write_text(json.dumps(vulns), encoding="utf-8")
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return run_dir
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def _pdf_text(pdf: bytes) -> str:
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return "\n".join(page.extract_text() or "" for page in PdfReader(BytesIO(pdf)).pages)
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def test_generate_report_pdf_has_pdf_header(tmp_path: Path) -> None:
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run_dir = _make_run(tmp_path)
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pdf = generate_report_pdf(run_dir)
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assert pdf.startswith(b"%PDF-")
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assert len(pdf) > 1000
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def test_generate_password_is_long_and_random() -> None:
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first = generate_password()
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second = generate_password()
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assert len(first) >= 20
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assert first != second
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def test_encrypt_pdf_roundtrip(tmp_path: Path) -> None:
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run_dir = _make_run(tmp_path)
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pdf = generate_report_pdf(run_dir)
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password = generate_password()
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encrypted = encrypt_pdf(pdf, password)
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reader = PdfReader(BytesIO(encrypted))
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assert reader.is_encrypted
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assert reader.decrypt(password)
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# A correct password unlocks the pages.
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assert len(reader.pages) >= 1
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def test_wrong_password_is_rejected(tmp_path: Path) -> None:
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run_dir = _make_run(tmp_path)
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encrypted = encrypt_pdf(generate_report_pdf(run_dir), "correct-horse-battery")
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with pytest.raises(WrongPasswordError):
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PdfReader(BytesIO(encrypted), password="not-the-password") # nosec B106
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def test_build_encrypted_report(tmp_path: Path) -> None:
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run_dir = _make_run(tmp_path, name="run-42")
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pdf_bytes, password, filename = build_encrypted_report(run_dir)
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assert filename == "strix-report-run-42.pdf"
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assert len(password) >= 20
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reader = PdfReader(BytesIO(pdf_bytes))
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assert reader.is_encrypted
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assert reader.decrypt(password)
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@pytest.mark.parametrize(
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("text", "expected"),
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[
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("**bold**", "<b>bold</b>"),
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("__bold__", "<b>bold</b>"),
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("*italic*", "<i>italic</i>"),
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("***both***", "<i><b>both</b></i>"),
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("**bold with *italic* inside**", "<b>bold with <i>italic</i> inside</b>"),
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("*outer **bold** inner*", "<i>outer <b>bold</b> inner</i>"),
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(r"\*literal\*", "*literal*"),
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("******", "******"),
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("`a * < &`", '<font face="Courier" color="#b31d28">a * < &</font>'),
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(
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"",
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"",
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),
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("<https://example.invalid>", "<https://example.invalid>"),
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],
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)
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def test_inline_md_emits_only_safe_balanced_markup(text: str, expected: str) -> None:
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markup = _inline_md(text)
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assert markup == expected
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Paragraph(markup, ParagraphStyle("test"))
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@pytest.mark.parametrize(
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"text",
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[
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"*a **b* c**",
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"**a *b** c*",
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"*outer **inner* end**",
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"__a *b__ c*",
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"***__***__",
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"__***__***",
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"<b><i></b></i>",
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"<font size='999'>x</font>",
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"<img src='/definitely/missing.png'/>",
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"\x000\x00 `code` \x0099\x00",
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"\ud800",
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],
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)
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def test_inline_md_survives_malformed_external_text(text: str) -> None:
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markup = _inline_md(text)
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assert "\x00" not in markup
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assert "\ud800" not in markup
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Paragraph(markup, ParagraphStyle("test"))
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def test_inline_md_generated_corpus_never_breaks_reportlab() -> None:
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style = ParagraphStyle("test")
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for length in range(1, 6):
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for chars in product("*_`a ", repeat=length):
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Paragraph(_inline_md("".join(chars)), style)
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def test_generate_report_pdf_survives_hostile_run_fields(tmp_path: Path) -> None:
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run_dir = _make_run(tmp_path)
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hostile = "****** <b><i></b></i> <img src='/definitely/missing.png'/> \x000\x00 \ud800"
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record = json.loads((run_dir / "run.json").read_text(encoding="utf-8"))
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record.update(
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{
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"run_name": hostile,
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"targets_info": [{"original": hostile}],
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"scan_mode": hostile,
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"status": hostile,
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"start_time": hostile,
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"end_time": hostile,
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"scan_results": {
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"executive_summary": hostile,
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"methodology": hostile,
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"technical_analysis": hostile,
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"recommendations": hostile,
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},
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}
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)
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(run_dir / "run.json").write_text(json.dumps(record), encoding="utf-8")
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text = _pdf_text(generate_report_pdf(run_dir))
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assert "******" in text
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assert "<b><i></b></i>" in text
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assert "<img src='/definitely/missing.png'/>" in text
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def test_generate_report_pdf_survives_hostile_finding_fields(tmp_path: Path) -> None:
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run_dir = _make_run(tmp_path)
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hostile = "****** <b><i></b></i> <img src='/definitely/missing.png'/> \x000\x00 \ud800"
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vulnerability = {
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"title": hostile,
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"severity": hostile,
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"cvss": hostile,
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"description": hostile,
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"impact": hostile,
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"technical_analysis": hostile,
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"poc_description": hostile,
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"poc_script_code": hostile,
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"evidence": hostile,
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"remediation_steps": [hostile],
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"target": hostile,
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"endpoint": hostile,
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"method": hostile,
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}
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(run_dir / "vulnerabilities.json").write_text(json.dumps([vulnerability]), encoding="utf-8")
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text = _pdf_text(generate_report_pdf(run_dir))
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assert "******" in text
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assert "<b><i></b></i>" in text
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assert "<img src='/definitely/missing.png'/>" in text
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assert text.count("LOW") == 2 # severity grid label plus canonicalized finding badge
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@pytest.mark.parametrize(
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("value", "expected"),
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[
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("CRITICAL", "critical"),
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(" info ", "info"),
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("informational", "info"),
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("<b><i></b></i>", "low"),
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({"severity": "critical"}, "low"),
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(None, "low"),
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],
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)
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def test_normalize_severity_restricts_badge_markup(value: object, expected: str) -> None:
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assert _normalize_severity(value) == expected
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def test_duration_rejects_mixed_timezone_awareness() -> None:
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assert _duration("2026-01-01T00:00:00", "2026-01-01T01:00:00Z") == "n/a"
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