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- Add JAX text rendering with font atlas, styled text placement, and typography primitives - Add xector (element-wise/reduction) operations library and sexp effects - Add deferred effect chain fusion for JIT-compiled effect pipelines - Expand drawing primitives with font management, alignment, shadow, and outline - Add interpreter support for function-style define and require - Add GPU persistence mode and hardware decode support to streaming - Add new sexp effects: cell_pattern, halftone, mosaic, and derived definitions - Add path registry for asset resolution - Add integration, primitives, and xector tests Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
306 lines
9.3 KiB
Python
306 lines
9.3 KiB
Python
"""
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Tests for xector primitives - parallel array operations.
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"""
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import pytest
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import numpy as np
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from sexp_effects.primitive_libs.xector import (
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Xector,
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xector_red, xector_green, xector_blue, xector_rgb,
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xector_x_coords, xector_y_coords, xector_x_norm, xector_y_norm,
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xector_dist_from_center,
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alpha_add, alpha_sub, alpha_mul, alpha_div, alpha_sqrt, alpha_clamp,
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alpha_sin, alpha_cos, alpha_sq,
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alpha_lt, alpha_gt, alpha_eq,
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beta_add, beta_mul, beta_min, beta_max, beta_mean, beta_count,
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xector_where, xector_fill, xector_zeros, xector_ones,
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is_xector,
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)
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class TestXectorBasics:
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"""Test Xector class basic operations."""
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def test_create_from_list(self):
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x = Xector([1, 2, 3])
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assert len(x) == 3
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assert is_xector(x)
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def test_create_from_numpy(self):
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arr = np.array([1.0, 2.0, 3.0])
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x = Xector(arr)
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assert len(x) == 3
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np.testing.assert_array_equal(x.to_numpy(), arr.astype(np.float32))
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def test_implicit_add(self):
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a = Xector([1, 2, 3])
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b = Xector([4, 5, 6])
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c = a + b
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np.testing.assert_array_equal(c.to_numpy(), [5, 7, 9])
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def test_implicit_mul(self):
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a = Xector([1, 2, 3])
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b = Xector([2, 2, 2])
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c = a * b
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np.testing.assert_array_equal(c.to_numpy(), [2, 4, 6])
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def test_scalar_broadcast(self):
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a = Xector([1, 2, 3])
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c = a + 10
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np.testing.assert_array_equal(c.to_numpy(), [11, 12, 13])
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def test_scalar_broadcast_rmul(self):
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a = Xector([1, 2, 3])
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c = 2 * a
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np.testing.assert_array_equal(c.to_numpy(), [2, 4, 6])
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class TestAlphaOperations:
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"""Test α (element-wise) operations."""
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def test_alpha_add(self):
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a = Xector([1, 2, 3])
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b = Xector([4, 5, 6])
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c = alpha_add(a, b)
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np.testing.assert_array_equal(c.to_numpy(), [5, 7, 9])
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def test_alpha_add_multi(self):
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a = Xector([1, 2, 3])
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b = Xector([1, 1, 1])
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c = Xector([10, 10, 10])
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d = alpha_add(a, b, c)
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np.testing.assert_array_equal(d.to_numpy(), [12, 13, 14])
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def test_alpha_mul_scalar(self):
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a = Xector([1, 2, 3])
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c = alpha_mul(a, 2)
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np.testing.assert_array_equal(c.to_numpy(), [2, 4, 6])
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def test_alpha_sqrt(self):
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a = Xector([1, 4, 9, 16])
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c = alpha_sqrt(a)
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np.testing.assert_array_equal(c.to_numpy(), [1, 2, 3, 4])
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def test_alpha_clamp(self):
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a = Xector([-5, 0, 5, 10, 15])
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c = alpha_clamp(a, 0, 10)
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np.testing.assert_array_equal(c.to_numpy(), [0, 0, 5, 10, 10])
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def test_alpha_sin_cos(self):
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a = Xector([0, np.pi/2, np.pi])
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s = alpha_sin(a)
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c = alpha_cos(a)
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np.testing.assert_array_almost_equal(s.to_numpy(), [0, 1, 0], decimal=5)
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np.testing.assert_array_almost_equal(c.to_numpy(), [1, 0, -1], decimal=5)
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def test_alpha_sq(self):
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a = Xector([1, 2, 3, 4])
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c = alpha_sq(a)
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np.testing.assert_array_equal(c.to_numpy(), [1, 4, 9, 16])
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def test_alpha_comparison(self):
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a = Xector([1, 2, 3, 4])
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b = Xector([2, 2, 2, 2])
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lt = alpha_lt(a, b)
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gt = alpha_gt(a, b)
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eq = alpha_eq(a, b)
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np.testing.assert_array_equal(lt.to_numpy(), [True, False, False, False])
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np.testing.assert_array_equal(gt.to_numpy(), [False, False, True, True])
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np.testing.assert_array_equal(eq.to_numpy(), [False, True, False, False])
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class TestBetaOperations:
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"""Test β (reduction) operations."""
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def test_beta_add(self):
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a = Xector([1, 2, 3, 4])
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assert beta_add(a) == 10
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def test_beta_mul(self):
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a = Xector([1, 2, 3, 4])
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assert beta_mul(a) == 24
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def test_beta_min_max(self):
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a = Xector([3, 1, 4, 1, 5, 9, 2, 6])
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assert beta_min(a) == 1
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assert beta_max(a) == 9
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def test_beta_mean(self):
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a = Xector([1, 2, 3, 4])
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assert beta_mean(a) == 2.5
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def test_beta_count(self):
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a = Xector([1, 2, 3, 4, 5])
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assert beta_count(a) == 5
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class TestFrameConversion:
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"""Test frame/xector conversion."""
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def test_extract_channels(self):
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# Create a 2x2 RGB frame
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frame = np.array([
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[[255, 0, 0], [0, 255, 0]],
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[[0, 0, 255], [128, 128, 128]]
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], dtype=np.uint8)
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r = xector_red(frame)
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g = xector_green(frame)
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b = xector_blue(frame)
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assert len(r) == 4
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np.testing.assert_array_equal(r.to_numpy(), [255, 0, 0, 128])
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np.testing.assert_array_equal(g.to_numpy(), [0, 255, 0, 128])
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np.testing.assert_array_equal(b.to_numpy(), [0, 0, 255, 128])
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def test_rgb_roundtrip(self):
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# Create a 2x2 RGB frame
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frame = np.array([
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[[100, 150, 200], [50, 75, 100]],
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[[200, 100, 50], [25, 50, 75]]
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], dtype=np.uint8)
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r = xector_red(frame)
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g = xector_green(frame)
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b = xector_blue(frame)
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reconstructed = xector_rgb(r, g, b)
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np.testing.assert_array_equal(reconstructed, frame)
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def test_modify_and_reconstruct(self):
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frame = np.array([
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[[100, 100, 100], [100, 100, 100]],
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[[100, 100, 100], [100, 100, 100]]
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], dtype=np.uint8)
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r = xector_red(frame)
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g = xector_green(frame)
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b = xector_blue(frame)
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# Double red channel
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r_doubled = r * 2
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result = xector_rgb(r_doubled, g, b)
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# Red should be 200, others unchanged
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assert result[0, 0, 0] == 200
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assert result[0, 0, 1] == 100
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assert result[0, 0, 2] == 100
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class TestCoordinates:
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"""Test coordinate generation."""
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def test_x_coords(self):
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frame = np.zeros((2, 3, 3), dtype=np.uint8) # 2 rows, 3 cols
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x = xector_x_coords(frame)
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# Should be [0,1,2, 0,1,2] (x coords repeated for each row)
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np.testing.assert_array_equal(x.to_numpy(), [0, 1, 2, 0, 1, 2])
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def test_y_coords(self):
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frame = np.zeros((2, 3, 3), dtype=np.uint8) # 2 rows, 3 cols
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y = xector_y_coords(frame)
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# Should be [0,0,0, 1,1,1] (y coords for each pixel)
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np.testing.assert_array_equal(y.to_numpy(), [0, 0, 0, 1, 1, 1])
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def test_normalized_coords(self):
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frame = np.zeros((2, 3, 3), dtype=np.uint8)
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x = xector_x_norm(frame)
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y = xector_y_norm(frame)
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# x should go 0 to 1 across width
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assert x.to_numpy()[0] == 0
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assert x.to_numpy()[2] == 1
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# y should go 0 to 1 down height
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assert y.to_numpy()[0] == 0
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assert y.to_numpy()[3] == 1
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class TestConditional:
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"""Test conditional operations."""
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def test_where(self):
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cond = Xector([True, False, True, False])
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true_val = Xector([1, 1, 1, 1])
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false_val = Xector([0, 0, 0, 0])
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result = xector_where(cond, true_val, false_val)
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np.testing.assert_array_equal(result.to_numpy(), [1, 0, 1, 0])
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def test_where_with_comparison(self):
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a = Xector([1, 5, 3, 7])
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threshold = 4
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# Elements > 4 become 255, others become 0
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result = xector_where(alpha_gt(a, threshold), 255, 0)
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np.testing.assert_array_equal(result.to_numpy(), [0, 255, 0, 255])
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def test_fill(self):
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frame = np.zeros((2, 3, 3), dtype=np.uint8)
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x = xector_fill(42, frame)
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assert len(x) == 6
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assert all(v == 42 for v in x.to_numpy())
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def test_zeros_ones(self):
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frame = np.zeros((2, 2, 3), dtype=np.uint8)
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z = xector_zeros(frame)
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o = xector_ones(frame)
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assert all(v == 0 for v in z.to_numpy())
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assert all(v == 1 for v in o.to_numpy())
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class TestInterpreterIntegration:
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"""Test xector operations through the interpreter."""
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def test_xector_vignette_effect(self):
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from sexp_effects.interpreter import Interpreter
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interp = Interpreter(minimal_primitives=True)
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# Load the xector vignette effect
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interp.load_effect('sexp_effects/effects/xector_vignette.sexp')
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# Create a test frame (white)
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frame = np.full((100, 100, 3), 255, dtype=np.uint8)
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# Run effect
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result, state = interp.run_effect('xector_vignette', frame, {'strength': 0.5}, {})
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# Center should be brighter than corners
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center = result[50, 50]
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corner = result[0, 0]
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assert center.mean() > corner.mean(), "Center should be brighter than corners"
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# Corners should be darkened
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assert corner.mean() < 255, "Corners should be darkened"
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def test_implicit_elementwise(self):
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"""Test that regular + works element-wise on xectors."""
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from sexp_effects.interpreter import Interpreter
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interp = Interpreter(minimal_primitives=True)
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# Load xector primitives
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from sexp_effects.primitive_libs.xector import PRIMITIVES
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for name, fn in PRIMITIVES.items():
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interp.global_env.set(name, fn)
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# Parse and eval a simple xector expression
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from sexp_effects.parser import parse
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expr = parse('(+ (red frame) 10)')
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# Create test frame
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frame = np.full((2, 2, 3), 100, dtype=np.uint8)
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interp.global_env.set('frame', frame)
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result = interp.eval(expr)
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# Should be a xector with values 110
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assert is_xector(result)
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np.testing.assert_array_equal(result.to_numpy(), [110, 110, 110, 110])
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if __name__ == '__main__':
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pytest.main([__file__, '-v'])
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