Add SnapForm panels, preferences, properties, and runtime management
- Implemented RuntimeModelsPanel and DebugPanel for UI integration in Blender. - Created SnapFormPreferences to manage user settings for storage and runtime configuration. - Defined SnapFormSettings to hold various properties related to input, model selection, and export options. - Developed runtime management functions for installation, model downloading, and reconstruction commands. - Added status bar functionality to display job progress and status in the Blender UI. - Implemented worker script for handling model downloads and depth reconstruction tasks. - Introduced unit tests for download progress reporting and image depth extraction functionalities.
This commit is contained in:
330
tests/test_image_depth.py
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330
tests/test_image_depth.py
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import importlib.util
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import inspect
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import sys
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import tempfile
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import unittest
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from pathlib import Path
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from types import ModuleType, SimpleNamespace
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from unittest.mock import patch
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import numpy as np
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PROJECT_ROOT = Path(__file__).resolve().parents[1]
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def load_image_depth():
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fake_bpy = ModuleType("bpy")
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fake_bpy.props = SimpleNamespace(
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BoolProperty=lambda **options: options,
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EnumProperty=lambda **options: options,
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FloatProperty=lambda **options: options,
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IntProperty=lambda **options: options,
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StringProperty=lambda **options: options,
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)
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fake_bpy.types = SimpleNamespace(Operator=object)
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fake_bpy.path = SimpleNamespace(abspath=lambda path: path)
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with patch.dict(sys.modules, {"bpy": fake_bpy}):
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specification = importlib.util.spec_from_file_location(
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"snapform_image_depth_test",
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PROJECT_ROOT / "src" / "snapform" / "image_depth.py",
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)
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module = importlib.util.module_from_spec(specification)
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specification.loader.exec_module(module)
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return module
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class ImageDepthTest(unittest.TestCase):
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@classmethod
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def setUpClass(cls):
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cls.image_depth = load_image_depth()
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def test_extracts_depth_and_uses_first_view(self):
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with tempfile.TemporaryDirectory() as directory:
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npz_path = Path(directory) / "results.npz"
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np.savez_compressed(
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npz_path,
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depth=np.array(
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(
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((1.0, 2.0), (3.0, 4.0)),
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((5.0, 6.0), (7.0, 8.0)),
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),
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dtype=np.float32,
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),
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)
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depth = self.image_depth.extract_depth_array(npz_path)
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np.testing.assert_array_equal(
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depth,
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np.array(((1.0, 2.0), (3.0, 4.0)), dtype=np.float32),
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)
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def test_accepts_depths_key_with_single_channel(self):
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with tempfile.TemporaryDirectory() as directory:
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npz_path = Path(directory) / "results.npz"
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np.savez_compressed(
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npz_path,
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depths=np.ones((1, 2, 3, 1), dtype=np.float32),
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)
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depth = self.image_depth.extract_depth_array(npz_path)
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self.assertEqual(depth.shape, (2, 3))
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def test_accepts_single_depth_map_with_channel_axis(self):
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with tempfile.TemporaryDirectory() as directory:
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npz_path = Path(directory) / "results.npz"
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np.savez_compressed(
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npz_path,
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depth=np.ones((2, 3, 1), dtype=np.float32),
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)
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depth = self.image_depth.extract_depth_array(npz_path)
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self.assertEqual(depth.shape, (2, 3))
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def test_extracts_camera_intrinsics(self):
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expected = np.array(
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((100.0, 0.0, 50.0), (0.0, 120.0, 40.0), (0.0, 0.0, 1.0)),
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dtype=np.float32,
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)
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with tempfile.TemporaryDirectory() as directory:
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npz_path = Path(directory) / "results.npz"
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np.savez_compressed(
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npz_path,
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intrinsics=expected[None, ...],
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)
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intrinsics = self.image_depth.extract_intrinsics_array(
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npz_path
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)
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np.testing.assert_array_equal(intrinsics, expected)
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def test_camera_plane_bounds_use_intrinsics_and_median_depth(self):
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source = SimpleNamespace(
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data=SimpleNamespace(size=(200, 100)),
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empty_image_offset=(-0.5, -0.5),
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)
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depth = np.full((100, 200), 2.0, dtype=np.float32)
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intrinsics = np.array(
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((100.0, 0.0, 100.0), (0.0, 100.0, 50.0), (0.0, 0.0, 1.0)),
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dtype=np.float32,
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)
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bounds, reference_depth = self.image_depth.camera_plane_bounds(
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source,
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depth,
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intrinsics,
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-1.0,
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)
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self.assertEqual(bounds, (-2.0, 2.0, -1.0, 1.0))
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self.assertEqual(reference_depth, 2.0)
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def test_camera_plane_bounds_follow_displacement_unit_scale(self):
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source = SimpleNamespace(
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data=SimpleNamespace(size=(200, 100)),
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empty_image_offset=(-0.5, -0.5),
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)
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depth = np.full((100, 200), 2.0, dtype=np.float32)
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intrinsics = np.array(
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((100.0, 0.0, 100.0), (0.0, 100.0, 50.0), (0.0, 0.0, 1.0)),
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dtype=np.float32,
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)
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bounds, _reference_depth = (
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self.image_depth.camera_plane_bounds(
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source,
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depth,
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intrinsics,
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-0.5,
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)
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)
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self.assertEqual(bounds, (-1.0, 1.0, -0.5, 0.5))
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def test_camera_plane_bounds_preserve_square_source_aspect(self):
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source = SimpleNamespace(
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data=SimpleNamespace(size=(447, 447)),
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empty_image_offset=(-0.5, -0.5),
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)
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depth = np.full((140, 140), 0.7366, dtype=np.float32)
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intrinsics = np.array(
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(
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(460.758, 0.0, 70.0),
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(0.0, 393.372, 70.0),
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(0.0, 0.0, 1.0),
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),
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dtype=np.float32,
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)
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bounds, _reference_depth = (
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self.image_depth.camera_plane_bounds(
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source,
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depth,
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intrinsics,
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-1.0,
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)
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)
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width = bounds[1] - bounds[0]
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height = bounds[3] - bounds[2]
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self.assertAlmostEqual(width / height, 1.0)
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def test_raw_distance_preserves_original_values(self):
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depth = np.array(
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((1.25, 2.5), (5.0, np.nan)),
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dtype=np.float32,
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)
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mapped = self.image_depth.prepare_depth_values(depth)
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self.assertEqual(float(mapped[0, 0]), 1.25)
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self.assertEqual(float(mapped[0, 1]), 2.5)
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self.assertEqual(float(mapped[1, 0]), 5.0)
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self.assertEqual(float(mapped[1, 1]), 0.0)
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def test_depth_plane_uses_fixed_import_settings(self):
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self.assertEqual(self.image_depth.DISPLACEMENT_STRENGTH, -1.0)
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self.assertEqual(self.image_depth.DISPLACEMENT_MIDLEVEL, 1.0)
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self.assertEqual(self.image_depth.BUMP_BASE_DISTANCE, 0.001)
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def test_grid_segments_follow_aspect_ratio_from_subdivision_power(self):
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self.assertEqual(
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self.image_depth.grid_segments((0.0, 3.0, 0.0, 2.0), 1),
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(3, 2),
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)
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self.assertEqual(
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self.image_depth.grid_segments((0.0, 2.0, 0.0, 3.0), 1),
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(2, 3),
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)
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self.assertEqual(
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self.image_depth.grid_segments((0.0, 3.0, 0.0, 2.0), 3),
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(12, 8),
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)
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def test_modifiers_use_native_names_and_fixed_levels(self):
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source = inspect.getsource(self.image_depth.build_depth_plane)
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self.assertIn('modifiers.new("Subdivision", "SUBSURF")', source)
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self.assertIn('modifiers.new("Displace", "DISPLACE")', source)
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self.assertNotIn("DA3 Subdivision", source)
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self.assertNotIn("DA3 Displace", source)
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self.assertIn("subdivision.levels = 1", source)
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self.assertIn("subdivision.render_levels = 2", source)
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def test_plane_fit_transform_matches_source_size_and_offset(self):
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source = SimpleNamespace(
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data=SimpleNamespace(size=(800, 400)),
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empty_display_size=2.0,
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empty_image_offset=(-0.25, -0.75),
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)
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transform = self.image_depth.plane_fit_transform(
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source,
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(-0.1, 0.3, -0.1, 0.1),
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)
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for value, expected in zip(
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transform,
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(5.0, 5.0, 5.0, 0.0, -0.25),
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):
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self.assertAlmostEqual(value, expected)
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def test_source_empty_is_only_removed_when_requested(self):
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source = inspect.getsource(self.image_depth.build_depth_plane)
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self.assertIn("source_name = source_object.name", source)
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self.assertIn("if delete_source:", source)
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self.assertIn(
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"bpy.data.objects.remove(source_object, do_unlink=True)",
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source,
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)
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self.assertNotIn("source_object.name =", source)
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self.assertIn(
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"bpy.data.objects.new(\n source_name,",
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source,
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)
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self.assertIn(
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"bpy.data.objects.remove(source_object, do_unlink=True)\n"
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" plane_object.name = source_name",
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source,
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)
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def test_displace_texture_uses_extend(self):
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source = inspect.getsource(
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self.image_depth.build_depth_plane
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)
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self.assertIn('depth_name = f"{source_name}.depth"', source)
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self.assertIn("create_depth_image(\n depth_name,", source)
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self.assertIn("bpy.data.textures.new(\n depth_name,", source)
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self.assertIn('texture.extension = "EXTEND"', source)
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def test_original_image_drives_bump_instead_of_displacement(self):
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source = inspect.getsource(self.image_depth.create_material)
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self.assertIn('nodes.new("ShaderNodeBump")', source)
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self.assertIn(
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'color_texture.outputs["Color"], bump.inputs["Height"]',
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source,
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)
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self.assertIn(
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'bump.outputs["Normal"], shader.inputs["Normal"]',
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source,
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)
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self.assertIn(
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'bump.inputs["Distance"].default_value = '
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"BUMP_BASE_DISTANCE * depth_scale",
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source,
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)
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self.assertIn('nodes.new("ShaderNodeFloatCurve")', source)
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self.assertIn(
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'roughness_curve.inputs["Value"]',
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source,
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)
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self.assertIn(
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'shader.inputs["Roughness"]',
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source,
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)
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self.assertIn(
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'curve_points[0].location = (0.0, 0.5)',
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source,
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)
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self.assertIn(
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'curve_points[-1].location = (1.0, 0.1)',
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source,
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)
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self.assertIn(
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'shader.inputs["IOR"].default_value = 1.2',
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source,
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)
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self.assertIn(
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'roughness_curve.location = (-300.0, 320.0)',
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source,
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)
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self.assertIn('bump.location = (-300.0, -80.0)', source)
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self.assertNotIn("ShaderNodeDisplacement", source)
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def test_plane_transform_scales_depth_axis(self):
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source = inspect.getsource(self.image_depth.apply_plane_transform)
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self.assertIn("(0.0, 0.0, scale_z, 0.0)", source)
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self.assertIn("plane_object.scale.z", source)
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def test_plane_bounds_keep_image_aspect_and_empty_offset(self):
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source = SimpleNamespace(
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data=SimpleNamespace(size=(800, 400)),
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empty_display_size=2.0,
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empty_image_offset=(-0.5, -0.5),
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)
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bounds = self.image_depth.plane_bounds(source)
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self.assertEqual(bounds, (-1.0, 1.0, -0.5, 0.5))
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if __name__ == "__main__":
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unittest.main()
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