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# SPDX-FileCopyrightText: 2023 Blender Authors
#
# SPDX-License-Identifier: GPL-2.0-or-later
import os
import pathlib
import sys
import unittest
import bpy
sys.path.append(str(pathlib.Path(__file__).parent.absolute()))
from modules.colored_print import print_message
from modules.imbuf_test import AbstractImBufTest
args = None
class ImBufTest(AbstractImBufTest):
@classmethod
def setUpClass(cls):
AbstractImBufTest.init(args)
if cls.update:
os.makedirs(cls.reference_load_dir, exist_ok=True)
def _get_image_files(self, file_pattern):
return [f for f in pathlib.Path(self.reference_dir).glob(file_pattern)]
def _validate_metadata(self, img, ref_metadata_path, out_metadata_path):
channels = img.channels
is_float = img.is_float
colorspace = img.colorspace_settings.name
alpha_mode = img.alpha_mode
actual_metadata = f"{channels=} {is_float=} {colorspace=} {alpha_mode=}"
expected_metadata = ""
# Save actual metadata
out_metadata_path.write_text(actual_metadata, encoding="utf-8")
if ref_metadata_path.exists():
# Compare with expected
try:
expected_metadata = ref_metadata_path.read_text(encoding="utf-8")
failed = not (actual_metadata == expected_metadata)
except Exception as ex:
if self.verbose:
print_message(ex.output.decode("utf-8", 'ignore'))
failed = True
else:
if not self.update:
return False
failed = True
if failed:
if self.update:
# Update reference if requested.
ref_metadata_path.write_text(actual_metadata, encoding="utf-8")
failed = False
else:
print_message(
"Expected [{}] but got [{}]".format(expected_metadata, actual_metadata))
return not failed
def _save_exr(self, img, out_exr_path):
scene = bpy.data.scenes[0]
image_settings = scene.render.image_settings
image_settings.file_format = "OPEN_EXR"
image_settings.color_mode = "RGBA"
image_settings.color_depth = "32"
image_settings.exr_codec = "ZIP"
img.save_render(str(out_exr_path), scene=scene)
def _validate_pixels(self, img, ref_exr_path, out_exr_path):
self._save_exr(img, out_exr_path)
return self.call_idiff(ref_exr_path, out_exr_path)
def check(self, file_pattern):
image_files = self._get_image_files(file_pattern)
if len(image_files) == 0:
self.fail(f"No images found for pattern {file_pattern}")
for image_path in image_files:
print_message(image_path.name, 'SUCCESS', 'RUN')
# Load the image under test
bpy.ops.image.open(filepath=str(image_path))
img = bpy.data.images[image_path.name]
# Compare the image with our exr/metadata references
exr_filename = image_path.with_suffix(".exr").name
metadata_filename = image_path.with_suffix(".txt").name
ref_exr_path = self.reference_load_dir.joinpath(exr_filename)
ref_metadata_path = self.reference_load_dir.joinpath(metadata_filename)
out_exr_path = self.output_dir.joinpath(exr_filename)
out_metadata_path = self.output_dir.joinpath(metadata_filename)
res1 = self._validate_metadata(img, ref_metadata_path, out_metadata_path)
res2 = self._validate_pixels(img, ref_exr_path, out_exr_path)
if not res1 or not res2:
self.errors += 1
print_message("Results are different from reference data")
print_message(image_path.name, 'FAILURE', 'FAILED')
else:
print_message(image_path.name, 'SUCCESS', 'OK')
class ImBufLoadTest(ImBufTest):
def test_load_bmp(self):
self.check("*.bmp")
def test_load_png(self):
self.check("*.png")
def test_load_exr(self):
self.skip_if_format_missing("OPENEXR")
self.check("*.exr")
def test_load_hdr(self):
self.check("*.hdr")
def test_load_targa(self):
self.check("*.tga")
def test_load_tiff(self):
self.check("*.tif")
def test_load_jpeg(self):
self.check("*.jpg")
def test_load_jpeg2000(self):
self.skip_if_format_missing("OPENJPEG")
self.check("*.jp2")
self.check("*.j2c")
def test_load_dpx(self):
self.check("*.dpx")
def test_load_cineon(self):
self.skip_if_format_missing("CINEON")
self.check("*.cin")
def test_load_webp(self):
self.skip_if_format_missing("WEBP")
self.check("*.webp")
def test_load_psd(self):
self.check("*.psd")
class ImBufBrokenTest(AbstractImBufTest):
@classmethod
def setUpClass(cls):
AbstractImBufTest.init(args)
def _get_image_files(self, file_pattern):
return [f for f in (self.test_dir / "broken_images").glob(file_pattern)]
def check(self, file_pattern):
image_files = self._get_image_files(file_pattern)
print(image_files)
if len(image_files) == 0:
self.fail(f"No images found for pattern {file_pattern}")
for image_path in image_files:
print_message(image_path.name, 'SUCCESS', 'RUN')
bpy.ops.image.open(filepath=str(image_path))
class ImBufLoadBrokenTest(ImBufBrokenTest):
def test_load_exr(self):
self.skip_if_format_missing("OPENEXR")
self.check("*.exr")
def main():
global args
import argparse
if '--' in sys.argv:
argv = [sys.argv[0]] + sys.argv[sys.argv.index('--') + 1:]
else:
argv = sys.argv
parser = argparse.ArgumentParser()
parser.add_argument('-test_dir', required=True, type=pathlib.Path)
parser.add_argument('-output_dir', required=True, type=pathlib.Path)
parser.add_argument('-oiiotool', required=True, type=pathlib.Path)
parser.add_argument('-optional_formats', required=True)
args, remaining = parser.parse_known_args(argv)
unittest.main(argv=remaining)
if __name__ == '__main__':
main()
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