Fix Q# test - assert up to global phase

Author: fedimser

quantum_decomp/qsharp_integration_test.py

@@ -1,25 +1,24 @@
 """
 This test verifies that Q# code generated by this library actually compiles to
 an operation, which applies specified matrix to a register of qubits.
-
-Here we just test just few small random matrices. More thorough tests are in
-quantum_decomp_test.py.
 """
 
-from contextlib import redirect_stdout
+import io
 import tempfile
+from contextlib import redirect_stdout
+
+import cirq
 import numpy as np
 import qsharp
-import io
 from scipy.stats import unitary_group
 
 import quantum_decomp as qd
-from quantum_decomp.src.test_utils import QFT_2, SWAP, CNOT
+from quantum_decomp.src.test_utils import CNOT, QFT_2, SWAP
 from quantum_decomp.src.utils import permute_matrix
 
 
 def change_int_endianness(val, n):
-    return sum(((val >> i) & 1) << (n-1-i) for i in range(n))
+    return sum(((val >> i) & 1) << (n - 1 - i) for i in range(n))
 
 
 def change_matrix_endianness(matrix, n):
@@ -61,12 +60,12 @@ def check_on_matrix(matrix):
     op_code = qd.matrix_to_qsharp(matrix, op_name='Op')
     qubits_count = int(np.log2(matrix.shape[0]))
     dump_matrix = dump_qsharp_unitary(op_code, qubits_count)
-    assert np.allclose(matrix, dump_matrix, atol=1e-4)
+    assert cirq.equal_up_to_global_phase(matrix, dump_matrix, atol=1e-4)
 
 
 def test_qsharp_integration_2x2():
-    check_on_matrix(unitary_group.rvs(2))
-    check_on_matrix(unitary_group.rvs(2))
+    for _ in range(10):
+        check_on_matrix(unitary_group.rvs(2))
 
 
 def test_qsharp_integration_4x4():
@@ -75,3 +74,12 @@ def test_qsharp_integration_4x4():
     check_on_matrix(QFT_2)
     for _ in range(10):
         check_on_matrix(unitary_group.rvs(4))
+
+
+def test_qsharp_integration_8x8():
+    for _ in range(10):
+        check_on_matrix(unitary_group.rvs(8))
+
+
+def test_qsharp_integration_16x16():
+    check_on_matrix(unitary_group.rvs(16))