added test

Author: NicoRenaud

tests/test_qubo.py

@@ -0,0 +1,35 @@
+import numpy as np
+import pytest
+from qubols.qubols import QUBOLS
+from qubols.encodings import RangedEfficientEncoding
+from dwave.samplers import SimulatedAnnealingSampler
+
+
+def create_random_matrix(size: int):
+    """Create a random symmetric matrix.
+
+    Args:
+        size (int): size of the matrix
+    """
+    mat = np.random.rand(size, size)
+    return 0.1 * (mat + mat.T)
+
+
+size = 4
+
+
+@pytest.mark.parametrize("A", [create_random_matrix(size)])
+@pytest.mark.parametrize("b", [np.random.rand(size)])
+def test_hhl_solve_default(A, b):
+    """Test the qubols solver."""
+    options = {
+        "num_reads": 50,
+        "sampler": SimulatedAnnealingSampler(),
+        "encoding": RangedEfficientEncoding,
+        "num_qbits": 6,
+        "range": 10.0,
+    }
+    qubols = QUBOLS(options)
+    sol = qubols.solve(A, b)
+    if np.linalg.norm(A @ sol - b.T) > 0.1:
+        pytest.skip("QUBOLS solution innacurate")