90 lines
2.9 KiB
Python
90 lines
2.9 KiB
Python
from sympy.physics.quantum.qasm import Qasm, flip_index, trim,\
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get_index, nonblank, fullsplit, fixcommand, stripquotes, read_qasm
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from sympy.physics.quantum.gate import X, Z, H, S, T
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from sympy.physics.quantum.gate import CNOT, SWAP, CPHASE, CGate, CGateS
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from sympy.physics.quantum.circuitplot import Mz
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def test_qasm_readqasm():
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qasm_lines = """\
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qubit q_0
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qubit q_1
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h q_0
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cnot q_0,q_1
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"""
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q = read_qasm(qasm_lines)
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assert q.get_circuit() == CNOT(1,0)*H(1)
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def test_qasm_ex1():
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q = Qasm('qubit q0', 'qubit q1', 'h q0', 'cnot q0,q1')
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assert q.get_circuit() == CNOT(1,0)*H(1)
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def test_qasm_ex1_methodcalls():
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q = Qasm()
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q.qubit('q_0')
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q.qubit('q_1')
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q.h('q_0')
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q.cnot('q_0', 'q_1')
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assert q.get_circuit() == CNOT(1,0)*H(1)
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def test_qasm_swap():
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q = Qasm('qubit q0', 'qubit q1', 'cnot q0,q1', 'cnot q1,q0', 'cnot q0,q1')
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assert q.get_circuit() == CNOT(1,0)*CNOT(0,1)*CNOT(1,0)
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def test_qasm_ex2():
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q = Qasm('qubit q_0', 'qubit q_1', 'qubit q_2', 'h q_1',
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'cnot q_1,q_2', 'cnot q_0,q_1', 'h q_0',
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'measure q_1', 'measure q_0',
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'c-x q_1,q_2', 'c-z q_0,q_2')
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assert q.get_circuit() == CGate(2,Z(0))*CGate(1,X(0))*Mz(2)*Mz(1)*H(2)*CNOT(2,1)*CNOT(1,0)*H(1)
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def test_qasm_1q():
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for symbol, gate in [('x', X), ('z', Z), ('h', H), ('s', S), ('t', T), ('measure', Mz)]:
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q = Qasm('qubit q_0', '%s q_0' % symbol)
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assert q.get_circuit() == gate(0)
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def test_qasm_2q():
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for symbol, gate in [('cnot', CNOT), ('swap', SWAP), ('cphase', CPHASE)]:
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q = Qasm('qubit q_0', 'qubit q_1', '%s q_0,q_1' % symbol)
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assert q.get_circuit() == gate(1,0)
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def test_qasm_3q():
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q = Qasm('qubit q0', 'qubit q1', 'qubit q2', 'toffoli q2,q1,q0')
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assert q.get_circuit() == CGateS((0,1),X(2))
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def test_qasm_flip_index():
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assert flip_index(0, 2) == 1
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assert flip_index(1, 2) == 0
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def test_qasm_trim():
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assert trim('nothing happens here') == 'nothing happens here'
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assert trim("Something #happens here") == "Something "
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def test_qasm_get_index():
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assert get_index('q0', ['q0', 'q1']) == 1
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assert get_index('q1', ['q0', 'q1']) == 0
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def test_qasm_nonblank():
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assert list(nonblank('abcd')) == list('abcd')
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assert list(nonblank('abc ')) == list('abc')
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def test_qasm_fullsplit():
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assert fullsplit('g q0,q1,q2, q3') == ('g', ['q0', 'q1', 'q2', 'q3'])
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def test_qasm_fixcommand():
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assert fixcommand('foo') == 'foo'
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assert fixcommand('def') == 'qdef'
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def test_qasm_stripquotes():
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assert stripquotes("'S'") == 'S'
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assert stripquotes('"S"') == 'S'
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assert stripquotes('S') == 'S'
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def test_qasm_qdef():
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# weaker test condition (str) since we don't have access to the actual class
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q = Qasm("def Q,0,Q",'qubit q0','Q q0')
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assert str(q.get_circuit()) == 'Q(0)'
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q = Qasm("def CQ,1,Q", 'qubit q0', 'qubit q1', 'CQ q0,q1')
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assert str(q.get_circuit()) == 'C((1),Q(0))'
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