mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-12 10:39:00 +00:00
378 lines
12 KiB
Python
378 lines
12 KiB
Python
from __future__ import annotations
|
|
|
|
import hashlib
|
|
import json
|
|
import re
|
|
import shutil
|
|
import typing as t
|
|
import warnings
|
|
from copy import deepcopy
|
|
from dataclasses import asdict, dataclass, field, replace
|
|
from difflib import SequenceMatcher
|
|
from functools import cached_property
|
|
from itertools import zip_longest
|
|
from pathlib import Path
|
|
|
|
import pytest
|
|
from PIL import Image
|
|
from typing_extensions import Self
|
|
|
|
from trezorlib.debuglink import TrezorClientDebugLink as Client
|
|
|
|
UI_TESTS_DIR = Path(__file__).resolve().parent
|
|
SCREENS_DIR = UI_TESTS_DIR / "screens"
|
|
IMAGES_DIR = SCREENS_DIR / "all_images"
|
|
FIXTURES_FILE = UI_TESTS_DIR / "fixtures.json"
|
|
|
|
# fixtures.json are structured as follows:
|
|
# {
|
|
# "model": {
|
|
# "group": {
|
|
# "test_name": "hash",
|
|
# ...
|
|
# }}}...
|
|
# IOW, FixturesType = dict[<model>, dict[<group>, dict[<test_name>, <hash>]]]
|
|
FixturesType = t.NewType("FixturesType", "dict[str, dict[str, dict[str, str]]]")
|
|
|
|
FIXTURES: FixturesType = FixturesType({})
|
|
|
|
|
|
def get_current_fixtures() -> FixturesType:
|
|
global FIXTURES
|
|
if not FIXTURES and FIXTURES_FILE.exists():
|
|
FIXTURES = FixturesType(json.loads(FIXTURES_FILE.read_text()))
|
|
|
|
return FIXTURES
|
|
|
|
|
|
def prepare_fixtures(
|
|
results: t.Iterable[TestResult],
|
|
remove_missing: bool = False,
|
|
) -> tuple[FixturesType, set[TestCase]]:
|
|
"""Prepare contents of fixtures.json"""
|
|
# set up brand new contents
|
|
grouped_tests: dict[tuple[str, str, str], dict[str, str]] = {}
|
|
for result in results:
|
|
idx = result.test.model, result.test.group, result.test.language
|
|
group = grouped_tests.setdefault(idx, {})
|
|
group[result.test.fixtures_name] = result.actual_hash
|
|
|
|
missing_tests: set[TestCase] = set()
|
|
|
|
# merge with previous fixtures
|
|
fixtures = deepcopy(get_current_fixtures())
|
|
for (model, group, language), new_content in grouped_tests.items():
|
|
# for every model/group, update the data with the new content
|
|
current_content = fixtures.setdefault(model, {}).setdefault(group, {})
|
|
if remove_missing:
|
|
# Need to preserve all the languages except the current one
|
|
diff_languages: dict[str, str] = {}
|
|
for key in list(current_content.keys()):
|
|
if TestCase.get_language_from_fixture_name(key) != language:
|
|
diff_languages[key] = current_content.pop(key)
|
|
|
|
new_tests = set(new_content.keys())
|
|
old_tests = set(current_content.keys())
|
|
missing_tests |= {
|
|
TestCase(model, group, test, language) for test in old_tests - new_tests
|
|
}
|
|
current_content.clear()
|
|
current_content.update(diff_languages)
|
|
|
|
current_content.update(new_content)
|
|
|
|
return fixtures, missing_tests
|
|
|
|
|
|
def write_fixtures_only_new_results(
|
|
results: t.Iterable[TestResult],
|
|
dest: Path,
|
|
) -> None:
|
|
"""Generate new results file with only the tests that were actually run."""
|
|
content: dict[str, dict[str, dict[str, str]]] = {}
|
|
for res in results:
|
|
model = content.setdefault(res.test.model, {})
|
|
group = model.setdefault(res.test.group, {})
|
|
group[res.test.fixtures_name] = res.actual_hash
|
|
dest.write_text(json.dumps(content, indent=0, sort_keys=True) + "\n")
|
|
|
|
|
|
def write_fixtures_complete(
|
|
results: t.Iterable[TestResult],
|
|
remove_missing: bool = False,
|
|
dest: Path = FIXTURES_FILE,
|
|
) -> None:
|
|
"""Generate new fixtures.json file with all the results, updated for the latest run."""
|
|
global FIXTURES
|
|
content, _ = prepare_fixtures(results, remove_missing)
|
|
dest.write_text(json.dumps(content, indent=0, sort_keys=True) + "\n")
|
|
FIXTURES = FixturesType({}) # reset the cache
|
|
|
|
|
|
def _rename_records(screen_path: Path) -> None:
|
|
IMAGES_DIR.mkdir(exist_ok=True)
|
|
# rename screenshots
|
|
for index, record in enumerate(sorted(screen_path.iterdir())):
|
|
record.replace(screen_path / f"{index:08}.png")
|
|
|
|
|
|
def screens_and_hashes(screen_path: Path) -> tuple[list[Path], list[str]]:
|
|
if not screen_path.exists():
|
|
return [], []
|
|
|
|
paths: list[Path] = []
|
|
hashes: list[str] = []
|
|
for file in sorted(screen_path.iterdir()):
|
|
paths.append(file)
|
|
hashes.append(_get_image_hash(file))
|
|
return paths, hashes
|
|
|
|
|
|
def _get_image_hash(png_file: Path) -> str:
|
|
return hashlib.sha256(_get_bytes_from_png(png_file)).hexdigest()
|
|
|
|
|
|
def _get_bytes_from_png(png_file: Path) -> bytes:
|
|
"""Decode a PNG file into bytes representing all the pixels.
|
|
|
|
Is necessary because Linux and Mac are using different PNG encoding libraries,
|
|
and we need the file hashes to be the same on both platforms.
|
|
"""
|
|
return Image.open(str(png_file)).tobytes()
|
|
|
|
|
|
def _hash_files(path: Path) -> str:
|
|
files = path.iterdir()
|
|
hasher = hashlib.sha256()
|
|
for file in sorted(files):
|
|
hasher.update(_get_bytes_from_png(file))
|
|
|
|
return hasher.digest().hex()
|
|
|
|
|
|
def get_last_call_test_result(request: pytest.FixtureRequest) -> bool | None:
|
|
# if test did not finish, e.g. interrupted by Ctrl+C, the pytest_runtest_makereport
|
|
# did not create the attribute we need
|
|
if not hasattr(request.node, "rep_call"):
|
|
return None
|
|
|
|
return request.node.rep_call.passed # type: ignore
|
|
|
|
|
|
def _get_test_name_and_group(node_id: str) -> tuple[str, str]:
|
|
test_path, func_id = node_id.split("::", maxsplit=1)
|
|
assert test_path.endswith(".py")
|
|
|
|
# tests / device_tests / bitcoin / test_signtx.py
|
|
_tests, group_name, *path_in_group = test_path.split("/")
|
|
|
|
# remove ::TestClass:: if present because it is usually the same as the test file name
|
|
func_id = re.sub(r"::.*?::", "-", func_id)
|
|
|
|
test_path_prefix = "-".join(path_in_group)
|
|
new_name = f"{test_path_prefix}::{func_id}"
|
|
new_name = new_name.replace("/", "-")
|
|
# Test item name is usually function name, but when parametrization is used,
|
|
# parameters are also part of the name. Some functions have very long parameter
|
|
# names (tx hashes etc) that run out of maximum allowable filename length, so
|
|
# we limit the name to first 100 chars. This is not a problem with txhashes.
|
|
if len(new_name) <= 100:
|
|
return new_name, group_name
|
|
|
|
differentiator = hashlib.sha256(new_name.encode()).hexdigest()
|
|
shortened_name = new_name[:91] + "-" + differentiator[:8]
|
|
return shortened_name, group_name
|
|
|
|
|
|
def get_screen_path(test_case: TestCase) -> Path | None:
|
|
test_name = test_case.id
|
|
path = SCREENS_DIR / test_name / "actual"
|
|
if path.exists():
|
|
return path
|
|
path = SCREENS_DIR / test_name / "recorded"
|
|
if path.exists():
|
|
print(
|
|
f"WARNING: no actual screens for {test_name}, recording may be outdated: {path}"
|
|
)
|
|
return path
|
|
print(f"WARNING: missing screens for {test_name}. Did the test run?")
|
|
return None
|
|
|
|
|
|
def screens_diff(
|
|
expected_hashes: list[str], actual_hashes: list[str]
|
|
) -> t.Iterator[tuple[str | None, str | None]]:
|
|
diff = SequenceMatcher(
|
|
None, expected_hashes, actual_hashes, autojunk=False
|
|
).get_opcodes()
|
|
# Example diff result:
|
|
# [('equal', 0, 1, 0, 1), ('replace', 1, 2, 1, 3), ('equal', 2, 6, 3, 7)]
|
|
# For situation when:
|
|
# - first screen is the same for both
|
|
# - second screen has changes and there is new third screen
|
|
# - rest is the same
|
|
for _tag, i1, i2, j1, j2 in diff:
|
|
# tag is one of "replace", "delete", "equal", "insert"
|
|
# i1, i2 and j1, j2 are slice indexes for expected/actual respectively
|
|
# The output of get_opcodes is an ordered sequence of instructions
|
|
# for converting expected to actual. By taking the subslices and zipping
|
|
# together, we get the equal subsequences aligned and Nones at deletion
|
|
# or insertion points.
|
|
expected_slice = expected_hashes[i1:i2]
|
|
actual_slice = actual_hashes[j1:j2]
|
|
yield from zip_longest(expected_slice, actual_slice, fillvalue=None)
|
|
|
|
|
|
@dataclass(frozen=True)
|
|
class TestCase:
|
|
model: str
|
|
group: str
|
|
name: str
|
|
language: str
|
|
|
|
@classmethod
|
|
def build(cls, client: Client, request: pytest.FixtureRequest) -> Self:
|
|
name, group = _get_test_name_and_group(request.node.nodeid)
|
|
full_language = client.features.language
|
|
assert full_language
|
|
language = full_language[:2]
|
|
return cls(
|
|
model=client.model.internal_name,
|
|
name=name,
|
|
group=group,
|
|
language=language,
|
|
)
|
|
|
|
@staticmethod
|
|
def get_language_from_fixture_name(fixture_name: str) -> str:
|
|
return fixture_name.split("_")[1]
|
|
|
|
@property
|
|
def id(self) -> str:
|
|
return f"{self.model}_{self.language}-{self.group}-{self.name}"
|
|
|
|
@property
|
|
def fixtures_name(self) -> str:
|
|
return f"{self.model}_{self.language}_{self.name}"
|
|
|
|
@classmethod
|
|
def from_fixtures(cls, fixtures_name: str, group: str) -> Self:
|
|
model, lang, name = fixtures_name.split("_", maxsplit=2)
|
|
return cls(model=model, group=group, name=name, language=lang)
|
|
|
|
@property
|
|
def dir(self) -> Path:
|
|
return SCREENS_DIR / self.id
|
|
|
|
@property
|
|
def screen_text_file(self) -> Path:
|
|
return self.dir / "screens.txt"
|
|
|
|
@property
|
|
def actual_dir(self) -> Path:
|
|
return self.dir / "actual"
|
|
|
|
@cached_property
|
|
def actual_screens(self) -> tuple[list[Path], list[str]]:
|
|
_rename_records(self.actual_dir)
|
|
return screens_and_hashes(self.actual_dir)
|
|
|
|
@property
|
|
def recorded_dir(self) -> Path:
|
|
return self.dir / "recorded"
|
|
|
|
@cached_property
|
|
def recorded_screens(self) -> tuple[list[Path], list[str]]:
|
|
return screens_and_hashes(self.recorded_dir)
|
|
|
|
def build_result(self, request: pytest.FixtureRequest) -> TestResult:
|
|
_rename_records(self.actual_dir)
|
|
result = TestResult(
|
|
test=self,
|
|
passed=get_last_call_test_result(request),
|
|
actual_hash=_hash_files(self.actual_dir),
|
|
images=self.actual_screens[1],
|
|
)
|
|
result.save_metadata()
|
|
return result
|
|
|
|
def replace(self, **kwargs) -> Self:
|
|
return replace(self, **kwargs)
|
|
|
|
|
|
@dataclass
|
|
class TestResult:
|
|
test: TestCase
|
|
passed: bool | None
|
|
actual_hash: str
|
|
images: list[str]
|
|
expected_hash: str | None = field(default=None)
|
|
|
|
def __post_init__(self) -> None:
|
|
if self.expected_hash is None:
|
|
self.expected_hash = (
|
|
get_current_fixtures()
|
|
.get(self.test.model, {})
|
|
.get(self.test.group, {})
|
|
.get(self.test.fixtures_name)
|
|
)
|
|
|
|
def save_metadata(self) -> None:
|
|
metadata = asdict(self)
|
|
(self.test.dir / "metadata.json").write_text(
|
|
json.dumps(metadata, indent=2, sort_keys=True) + "\n"
|
|
)
|
|
|
|
@property
|
|
def ui_passed(self) -> bool:
|
|
return self.actual_hash == self.expected_hash
|
|
|
|
@classmethod
|
|
def load(cls, testdir: Path) -> Self:
|
|
metadata = json.loads((testdir / "metadata.json").read_text())
|
|
test = TestCase(
|
|
model=metadata["test"]["model"],
|
|
group=metadata["test"]["group"],
|
|
name=metadata["test"]["name"],
|
|
language=metadata["test"]["language"],
|
|
)
|
|
return cls(
|
|
test=test,
|
|
passed=metadata["passed"],
|
|
actual_hash=metadata["actual_hash"],
|
|
expected_hash=metadata["expected_hash"],
|
|
images=metadata["images"],
|
|
)
|
|
|
|
@classmethod
|
|
def recent_results(cls) -> t.Iterator[Self]:
|
|
for testdir in sorted(SCREENS_DIR.iterdir()):
|
|
meta = testdir / "metadata.json"
|
|
if not meta.exists():
|
|
continue
|
|
yield cls.load(testdir)
|
|
|
|
@classmethod
|
|
def recent_ui_failures(cls) -> t.Iterator[Self]:
|
|
"""Returning just the results that resulted in UI failure."""
|
|
for result in cls.recent_results():
|
|
if not result.ui_passed:
|
|
yield result
|
|
|
|
def store_recorded(self) -> None:
|
|
self.expected_hash = self.actual_hash
|
|
shutil.rmtree(self.test.recorded_dir, ignore_errors=True)
|
|
shutil.copytree(
|
|
self.test.actual_dir,
|
|
self.test.recorded_dir,
|
|
symlinks=True,
|
|
)
|
|
|
|
def diff_lines(self) -> t.Iterable[tuple[str | None, str | None]]:
|
|
_, expected_hashes = self.test.recorded_screens
|
|
if not expected_hashes:
|
|
warnings.warn("No recorded screens found, is this a new test?")
|
|
_, actual_hashes = self.test.actual_screens
|
|
|
|
return screens_diff(expected_hashes, actual_hashes)
|