feat(fhe_circuit): create FHECircuit class to combine operation graph and compiler engine

tests/common/test_fhe_circuit.py

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+"""Test module for Circuit class"""
+
+import filecmp
+
+import concrete.numpy as hnp
+from concrete.common.debugging import draw_graph, get_printable_graph
+
+
+def test_circuit_str():
+    """Test function for `__str__` method of `Circuit`"""
+
+    def f(x):
+        return x + 42
+
+    x = hnp.EncryptedScalar(hnp.UnsignedInteger(3))
+
+    inputset = [(i,) for i in range(2 ** 3)]
+    circuit = hnp.compile_numpy_function(f, {"x": x}, inputset)
+
+    assert str(circuit) == get_printable_graph(circuit.opgraph, show_data_types=True)
+
+
+def test_circuit_draw():
+    """Test function for `draw` method of `Circuit`"""
+
+    def f(x):
+        return x + 42
+
+    x = hnp.EncryptedScalar(hnp.UnsignedInteger(3))
+
+    inputset = [(i,) for i in range(2 ** 3)]
+    circuit = hnp.compile_numpy_function(f, {"x": x}, inputset)
+
+    assert filecmp.cmp(circuit.draw(), draw_graph(circuit.opgraph))
+    assert filecmp.cmp(circuit.draw(vertical=False), draw_graph(circuit.opgraph, vertical=False))
+
+
+def test_circuit_run():
+    """Test function for `run` method of `Circuit`"""
+
+    def f(x):
+        return x + 42
+
+    x = hnp.EncryptedScalar(hnp.UnsignedInteger(3))
+
+    inputset = [(i,) for i in range(2 ** 3)]
+    circuit = hnp.compile_numpy_function(f, {"x": x}, inputset)
+
+    for x in inputset:
+        assert circuit.run(*x) == circuit.engine.run(*x)