mirror of
https://github.com/flectar/mail.git
synced 2026-11-12 10:15:19 +00:00
242 lines
11 KiB
Python
242 lines
11 KiB
Python
#!/usr/bin/env python3
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"""Offline regressions for PDFium staging and native package validation."""
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import hashlib
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import importlib.util
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import io
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import os
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import pathlib
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import plistlib
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import shutil
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import struct
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import subprocess
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import sys
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import tarfile
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import tempfile
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import unittest
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import zipfile
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from unittest.mock import patch
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sys.dont_write_bytecode = True
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SCRIPTS = pathlib.Path(__file__).resolve().parent
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def module(name):
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spec = importlib.util.spec_from_file_location(name, SCRIPTS / (name + ".py"))
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result = importlib.util.module_from_spec(spec)
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spec.loader.exec_module(result)
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return result
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stage = module("stage-pdfium")
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native = module("verify-android-native")
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framework = module("write-pdfium-framework-plist")
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def archive(files):
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result = io.BytesIO()
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with tarfile.open(fileobj=result, mode="w:gz") as output:
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for name, data in files.items():
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entry = tarfile.TarInfo(name)
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entry.size = len(data)
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output.addfile(entry, io.BytesIO(data))
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return result.getvalue()
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def elf(alignment=16384):
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data = bytearray(120)
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data[:6] = b"\x7fELF\x02\x01"
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struct.pack_into("<Q", data, 32, 64)
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struct.pack_into("<HH", data, 54, 56, 1)
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struct.pack_into("<I", data, 64, 1)
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struct.pack_into("<Q", data, 112, alignment)
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return bytes(data)
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class PackagingTests(unittest.TestCase):
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def test_cached_archive_is_verified_before_writing(self):
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data = archive({"lib/libpdfium.so": b"library", "LICENSE": b"license", "licenses/notice": b"notice"})
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checksum = hashlib.sha256(data).hexdigest()
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with tempfile.TemporaryDirectory() as directory:
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root = pathlib.Path(directory)
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cache = root / "cache"
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cache.mkdir()
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cached = cache / (checksum + ".tgz")
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cached.write_bytes(data)
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with patch.dict(stage.ASSETS, {"fixture": (checksum, "lib/libpdfium.so")}), patch.object(stage.urllib.request, "urlopen", side_effect=AssertionError("cached staging must be offline")):
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stage.stage("fixture", root / "output", cache)
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self.assertEqual((root / "output/libpdfium.so").read_bytes(), b"library")
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self.assertTrue((root / "output/pdfium-licenses/build.json").is_file())
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cached.write_bytes(b"corrupted archive")
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with self.assertRaisesRegex(ValueError, "checksum mismatch"):
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stage.stage("fixture", root / "rejected", cache)
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self.assertFalse((root / "rejected").exists())
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def test_archive_traversal_is_rejected(self):
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data = archive({"licenses/../../outside": b"unexpected"})
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checksum = hashlib.sha256(data).hexdigest()
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with tempfile.TemporaryDirectory() as directory:
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root = pathlib.Path(directory)
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with patch.dict(stage.ASSETS, {"fixture": (checksum, "lib/libpdfium.so")}), patch.object(stage.urllib.request, "urlopen", return_value=io.BytesIO(data)):
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with self.assertRaisesRegex(ValueError, "Invalid PDFium archive member"):
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stage.stage("fixture", root / "output")
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self.assertFalse((root / "outside").exists())
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def test_macos_library_and_licenses_use_bundle_locations(self):
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data = archive({
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"lib/libpdfium.dylib": b"library",
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"LICENSE": b"license",
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"licenses/notice": b"notice",
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})
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checksum = hashlib.sha256(data).hexdigest()
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with tempfile.TemporaryDirectory() as directory:
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root = pathlib.Path(directory)
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frameworks = root / "Flectar Mail.app/Contents/Frameworks"
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licenses = root / "Flectar Mail.app/Contents/Resources/Licenses/PDFium"
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with patch.dict(
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stage.ASSETS,
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{"fixture": (checksum, "lib/libpdfium.dylib")},
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), patch.object(stage.urllib.request, "urlopen", return_value=io.BytesIO(data)):
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stage.stage("fixture", frameworks, licenses_destination=licenses)
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self.assertEqual((frameworks / "libpdfium.dylib").read_bytes(), b"library")
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self.assertEqual((licenses / "LICENSE").read_bytes(), b"license")
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self.assertEqual((licenses / "licenses/notice").read_bytes(), b"notice")
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self.assertTrue((licenses / "build.json").is_file())
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self.assertFalse((frameworks / "pdfium-licenses").exists())
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def test_macos_packager_signs_nested_library_before_app(self):
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with tempfile.TemporaryDirectory() as directory:
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root = pathlib.Path(directory)
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for name in (
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"scripts/package-macos.sh",
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"platform/macos/Info.plist.in",
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"LICENSE",
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"THIRD_PARTY_NOTICES.md",
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"resources/fonts/google-sans-flex/OFL.txt",
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"resources/fonts/google-sans-flex/README.md",
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"resources/fonts/noto-emoji/OFL.txt",
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"resources/fonts/noto-emoji/README.md",
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):
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output = root / name
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output.parent.mkdir(parents=True, exist_ok=True)
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shutil.copyfile(SCRIPTS.parent / name, output)
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shutil.copytree(SCRIPTS.parent / "LICENSES", root / "LICENSES")
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(root / "resources/app-icon").mkdir(parents=True)
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(root / "resources/app-icon/flectar-mail-masked.png").write_bytes(b"png")
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(root / "Cargo.toml").write_text('[package]\nversion = "0.1.0-alpha.5"\n')
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(root / "target/release").mkdir(parents=True)
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shutil.copyfile("/bin/true", root / "target/release/flectar-mail")
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(root / "target/release/flectar-mail").chmod(0o755)
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(root / "scripts/stage-pdfium.py").write_text(
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"import os, pathlib, sys\n"
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"assert sys.argv[1] == os.environ['EXPECTED_PDFIUM_TARGET']\n"
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"frameworks = pathlib.Path(sys.argv[2])\n"
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"licenses = pathlib.Path(sys.argv[sys.argv.index('--licenses-destination') + 1])\n"
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"frameworks.mkdir(parents=True, exist_ok=True)\n"
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"licenses.mkdir(parents=True, exist_ok=True)\n"
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"(frameworks / 'libpdfium.dylib').write_bytes(b'library')\n"
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"(licenses / 'build.json').write_text('{}')\n"
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)
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(root / "scripts/test-pdf-preview.py").write_text(
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"import pathlib, sys\n"
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"binary = pathlib.Path(sys.argv[1])\n"
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"assert binary.is_file()\n"
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"assert (binary.parent / '../Frameworks/libpdfium.dylib').is_file()\n"
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)
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tools = root / "tools"
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tools.mkdir()
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def executable(name, contents):
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path = tools / name
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path.write_text("#!/usr/bin/env bash\nset -euo pipefail\n" + contents)
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path.chmod(0o755)
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executable("sips", 'output="${@: -1}"\nmkdir -p "$(dirname "$output")"\n: > "$output"\n')
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executable("iconutil", 'output="${@: -1}"\n: > "$output"\n')
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executable(
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"codesign",
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'target="${@: -1}"\nprintf "%s\\n" "$*" >> "$CODESIGN_LOG"\n'
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'if [[ "$target" == *.dylib ]]; then : > "$target.signed"; '
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'elif [[ "$*" == *"--sign"* ]]; then test -f "$target/Contents/Frameworks/libpdfium.dylib.signed"; fi\n',
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)
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executable(
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"ditto",
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'if [[ "$1" == "-c" ]]; then : > "${@: -1}"; else mkdir -p "$2"; fi\n',
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)
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executable(
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"hdiutil",
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'if [[ "$1" == "create" ]]; then : > "${@: -1}"; else test -f "$2"; fi\n',
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)
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for architecture, pdfium_target in (("arm64", "mac-arm64"), ("x64", "mac-x64")):
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with self.subTest(architecture=architecture):
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output_dir = root / f"target/macos-{architecture}"
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codesign_log = root / f"codesign-{architecture}.log"
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result = subprocess.run(
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[
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"bash",
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str(root / "scripts/package-macos.sh"),
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str(root / "target/release/flectar-mail"),
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str(output_dir),
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architecture,
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],
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cwd=root,
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env={
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**os.environ,
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"PATH": f"{tools}:{os.environ['PATH']}",
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"CODESIGN_LOG": str(codesign_log),
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"EXPECTED_PDFIUM_TARGET": pdfium_target,
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},
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capture_output=True,
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text=True,
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)
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self.assertEqual(result.returncode, 0, result.stdout + result.stderr)
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app = output_dir / "Flectar Mail.app/Contents"
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self.assertTrue((app / "Frameworks/libpdfium.dylib").is_file())
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self.assertTrue((app / "Resources/Licenses/PDFium/build.json").is_file())
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self.assertFalse((app / "MacOS/libpdfium.dylib").exists())
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self.assertTrue((output_dir / f"flectar-mail-macos-{architecture}.zip").is_file())
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self.assertTrue((output_dir / f"flectar-mail-macos-{architecture}.dmg").is_file())
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signatures = codesign_log.read_text().splitlines()
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self.assertIn("Contents/Frameworks/libpdfium.dylib", signatures[0])
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self.assertTrue(signatures[1].endswith("Flectar Mail.app"))
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self.assertIn("--verify --deep --strict", signatures[2])
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def test_apk_requires_pdfium_notices_and_aligned_native_libraries(self):
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with tempfile.TemporaryDirectory() as directory:
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apk = pathlib.Path(directory) / "fixture.apk"
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files = {
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"lib/arm64-v8a/libflectar_mail_android.so": elf(),
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"lib/arm64-v8a/libpdfium.so": elf(),
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"assets/licenses/PDFium/arm64-v8a/pdfium-licenses/build.json": b"{}",
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"assets/licenses/PDFium/arm64-v8a/pdfium-licenses/LICENSE": b"license",
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}
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def write(values):
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with zipfile.ZipFile(apk, "w") as output:
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for name, data in values.items():
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output.writestr(name, data)
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write(files)
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native.verify_apk(apk)
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write({k: v for k, v in files.items() if not k.endswith("libpdfium.so")})
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with self.assertRaisesRegex(ValueError, "missing bundled PDFium"):
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native.verify_apk(apk)
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write({**files, "lib/arm64-v8a/libpdfium.so": elf(4096)})
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with self.assertRaisesRegex(ValueError, "not aligned"):
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native.verify_apk(apk)
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def test_ios_framework_metadata_distinguishes_device_and_simulator(self):
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with tempfile.TemporaryDirectory() as directory:
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path = pathlib.Path(directory) / "Info.plist"
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for simulator in (False, True):
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framework.write(path, simulator)
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info = plistlib.loads(path.read_bytes())
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self.assertEqual(info["CFBundleExecutable"], "PDFium")
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self.assertEqual(info["CFBundlePackageType"], "FMWK")
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self.assertEqual(info["MinimumOSVersion"], "17.0")
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self.assertEqual(info["CFBundleSupportedPlatforms"], ["iPhoneSimulator" if simulator else "iPhoneOS"])
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if __name__ == "__main__":
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unittest.main()
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