def test_text_pager(self):
""" The pager breaks the circuit when the drawing does not fit in the console."""
expected = '\n'.join([
" ┌───┐ »", "q_0: |0>┤ X ├──■──»",
" └─┬─┘┌─┴─┐»", "q_1: |0>──■──┤ X ├»",
" └───┘»", " c_0: 0 ══════════»",
" »", "« ┌─┐┌───┐ »",
"«q_0: ┤M├┤ X ├──■──»", "« └╥┘└─┬─┘┌─┴─┐»",
"«q_1: ─╫───■──┤ X ├»", "« ║ └───┘»",
"«c_0: ═╩═══════════»", "« »",
"« ┌─┐┌───┐ ", "«q_0: ┤M├┤ X ├──■──",
"« └╥┘└─┬─┘┌─┴─┐", "«q_1: ─╫───■──┤ X ├",
"« ║ └───┘", "«c_0: ═╩═══════════", "« "
])
qr = QuantumRegister(2, 'q')
cr = ClassicalRegister(1, 'c')
circuit = QuantumCircuit(qr, cr)
circuit.cx(qr[1], qr[0])
circuit.cx(qr[0], qr[1])
circuit.measure(qr[0], cr[0])
circuit.cx(qr[1], qr[0])
circuit.cx(qr[0], qr[1])
circuit.measure(qr[0], cr[0])
circuit.cx(qr[1], qr[0])
circuit.cx(qr[0], qr[1])
self.assertEqual(str(_text_circuit_drawer(circuit, line_length=20)),
expected)
def test_text_measure_2_reversebits(self):
""" The measure operator, using some registers, with reversebits """
expected = '\n'.join([" ",
"q1_0: |0>──────",
" ",
"q1_1: |0>──────",
" ┌─┐",
"q2_0: |0>───┤M├",
" ┌─┐└╥┘",
"q2_1: |0>┤M├─╫─",
" └╥┘ ║ ",
" c1_0: 0 ═╬══╬═",
" ║ ║ ",
" c1_1: 0 ═╬══╬═",
" ║ ║ ",
" c2_0: 0 ═╬══╩═",
" ║ ",
" c2_1: 0 ═╩════",
" "])
qr1 = QuantumRegister(2, 'q1')
cr1 = ClassicalRegister(2, 'c1')
qr2 = QuantumRegister(2, 'q2')
cr2 = ClassicalRegister(2, 'c2')
circuit = QuantumCircuit(qr1, qr2, cr1, cr2)
circuit.measure(qr2, cr2)
self.assertEqual(str(_text_circuit_drawer(circuit, reversebits=True)), expected)
def test_text_conditional_5(self):
""" Conditional drawing with 5-bit-length regs."""
qasm_string = """
OPENQASM 2.0;
include "qelib1.inc";
qreg q[1];
creg c0[5];
creg c1[5];
if(c0==5) x q[0];
if(c1==5) x q[0];
"""
expected = '\n'.join([
" ┌───────┐┌───────┐", "q_0: |0>┤ X ├┤ X ├",
" ├───┴───┤└───┬───┘", "c0_0: 0 ╡ ╞════╪════",
" │ │ │ ", "c0_1: 0 ╡ ╞════╪════",
" │ │ │ ", "c0_2: 0 ╡ = 0x5 ╞════╪════",
" │ │ │ ", "c0_3: 0 ╡ ╞════╪════",
" │ │ │ ", "c0_4: 0 ╡ ╞════╪════",
" └───────┘┌───┴───┐", "c1_0: 0 ═════════╡ ╞",
" │ │", "c1_1: 0 ═════════╡ ╞",
" │ │", "c1_2: 0 ═════════╡ = 0x5 ╞",
" │ │", "c1_3: 0 ═════════╡ ╞",
" │ │", "c1_4: 0 ═════════╡ ╞",
" └───────┘"
])
circuit = QuantumCircuit.from_qasm_str(qasm_string)
self.assertEqual(str(_text_circuit_drawer(circuit)), expected)
def test_text_no_pager(self):
""" The pager can be disable."""
qr = QuantumRegister(1, 'q')
circuit = QuantumCircuit(qr)
for _ in range(100):
circuit.h(qr[0])
amount_of_lines = str(_text_circuit_drawer(circuit, line_length=-1)).count('\n')
self.assertEqual(amount_of_lines, 2)
def test_text_pager(self):
""" The pager breaks the circuit when the drawing does not fit in the console."""
qr = QuantumRegister(1, 'q')
circuit = QuantumCircuit(qr)
no_instructions = 50
for _ in range(no_instructions):
circuit.x(qr[0])
self.assertEqual(
_text_circuit_drawer(circuit, line_length=10).count('\n'),
no_instructions * 3 + 2)
def test_text_measure_html(self):
""" The measure operator. HTML representation. """
expected = '\n'.join([
"<pre style=\"line-height: 15px;\"> ┌─┐", "q_0: |0>┤M├",
" └╥┘", " c_0: 0 ═╩═", " </pre>"
])
qr = QuantumRegister(1, 'q')
cr = ClassicalRegister(1, 'c')
circuit = QuantumCircuit(qr, cr)
circuit.measure(qr, cr)
self.assertEqual(_text_circuit_drawer(circuit)._repr_html_(), expected)
def test_text_cz(self):
""" cz drawing. """
expected = '\n'.join([
" ", "q_0: |0>─■──■─", " │ │ ",
"q_1: |0>─■──┼─", " │ ", "q_2: |0>────■─",
" "
])
qr = QuantumRegister(3, 'q')
circuit = QuantumCircuit(qr)
circuit.cz(qr[0], qr[1])
circuit.cz(qr[2], qr[0])
self.assertEqual(str(_text_circuit_drawer(circuit)), expected)
def test_text_swap(self):
""" Swap drawing. """
expected = '\n'.join([
" ", "q1_0: |0>────X─", " │ ",
"q1_1: |0>─X──┼─", " │ │ ", "q2_0: |0>─┼──X─",
" │ ", "q2_1: |0>─X────", " "
])
qr1 = QuantumRegister(2, 'q1')
qr2 = QuantumRegister(2, 'q2')
circuit = QuantumCircuit(qr1, qr2)
circuit.swap(qr1, qr2)
self.assertEqual(str(_text_circuit_drawer(circuit)), expected)
def test_text_ch(self):
""" ch drawing. """
expected = '\n'.join([
" ┌───┐", "q_0: |0>──■──┤ H ├", " ┌─┴─┐└─┬─┘",
"q_1: |0>┤ H ├──┼──", " └───┘ │ ", "q_2: |0>───────■──",
" "
])
qr = QuantumRegister(3, 'q')
circuit = QuantumCircuit(qr)
circuit.ch(qr[0], qr[1])
circuit.ch(qr[2], qr[0])
self.assertEqual(str(_text_circuit_drawer(circuit)), expected)
def test_text_cswap(self):
""" CSwap drawing. """
expected = '\n'.join([
" ", "q_0: |0>─■──X──X─", " │ │ │ ",
"q_1: |0>─X──■──X─", " │ │ │ ", "q_2: |0>─X──X──■─",
" "
])
qr = QuantumRegister(3, 'q')
circuit = QuantumCircuit(qr)
circuit.cswap(qr[0], qr[1], qr[2])
circuit.cswap(qr[1], qr[0], qr[2])
circuit.cswap(qr[2], qr[1], qr[0])
self.assertEqual(_text_circuit_drawer(circuit), expected)
def test_text_barrier(self):
""" Barrier drawing. """
expected = '\n'.join([
" ░ ", "q1_0: |0>────░─", " ░ ",
"q1_1: |0>────░─", " ░ ", "q2_0: |0>──────",
" ░ ", "q2_1: |0>─░────", " ░ "
])
qr1 = QuantumRegister(2, 'q1')
qr2 = QuantumRegister(2, 'q2')
circuit = QuantumCircuit(qr1, qr2)
circuit.barrier(qr1)
circuit.barrier(qr2[1])
self.assertEqual(str(_text_circuit_drawer(circuit)), expected)
def test_text_cu1(self):
""" cu1 drawing. """
expected = '\n'.join([
" ", "q_0: |0>─■────────■───────",
" │1.5708 │ ", "q_1: |0>─■────────┼───────",
" │1.5708 ", "q_2: |0>──────────■───────",
" "
])
qr = QuantumRegister(3, 'q')
circuit = QuantumCircuit(qr)
circuit.cu1(pi / 2, qr[0], qr[1])
circuit.cu1(pi / 2, qr[2], qr[0])
self.assertEqual(_text_circuit_drawer(circuit), expected)
def test_text_crz(self):
""" crz drawing. """
expected = '\n'.join([" ",
"q_2: |0>────────────────────■───────",
" ┌────────────┐ │ ",
"q_1: |0>┤ Rz(1.5708) ├──────┼───────",
" └─────┬──────┘┌─────┴──────┐",
"q_0: |0>──────■───────┤ Rz(1.5708) ├",
" └────────────┘"])
qr = QuantumRegister(3, 'q')
circuit = QuantumCircuit(qr)
circuit.crz(pi / 2, qr[0], qr[1])
circuit.crz(pi / 2, qr[2], qr[0])
self.assertEqual(str(_text_circuit_drawer(circuit)), expected)
def test_text_cu1_reversebits(self):
""" cu1 drawing with reversebits"""
expected = '\n'.join([
" ", "q_2: |0>──────────■───────",
" │ ", "q_1: |0>─■────────┼───────",
" │1.5708 │1.5708 ", "q_0: |0>─■────────■───────",
" "
])
qr = QuantumRegister(3, 'q')
circuit = QuantumCircuit(qr)
circuit.cu1(pi / 2, qr[0], qr[1])
circuit.cu1(pi / 2, qr[2], qr[0])
self.assertEqual(str(_text_circuit_drawer(circuit, reversebits=True)),
expected)
def test_text_cu3_reversebits(self):
""" cu3 drawing with reversebits"""
expected = '\n'.join([" ┌──────────────────────────┐",
"q_0: |0>─────────────■──────────────┤ U3(1.5708,1.5708,1.5708) ├",
" ┌────────────┴─────────────┐└────────────┬─────────────┘",
"q_1: |0>┤ U3(1.5708,1.5708,1.5708) ├─────────────┼──────────────",
" └──────────────────────────┘ │ ",
"q_2: |0>─────────────────────────────────────────■──────────────",
" "])
qr = QuantumRegister(3, 'q')
circuit = QuantumCircuit(qr)
circuit.cu3(pi / 2, pi / 2, pi / 2, qr[0], qr[1])
circuit.cu3(pi / 2, pi / 2, pi / 2, qr[2], qr[0])
self.assertEqual(str(_text_circuit_drawer(circuit, reversebits=True)), expected)
def test_text_measure_1(self):
""" The measure operator, using 3-bit-length registers. """
expected = '\n'.join([
" ┌─┐", "q_0: |0>──────┤M├", " ┌─┐└╥┘",
"q_1: |0>───┤M├─╫─", " ┌─┐└╥┘ ║ ", "q_2: |0>┤M├─╫──╫─",
" └╥┘ ║ ║ ", " c_0: 0 ═╬══╬══╩═", " ║ ║ ",
" c_1: 0 ═╬══╩════", " ║ ", " c_2: 0 ═╩═══════",
" "
])
qr = QuantumRegister(3, 'q')
cr = ClassicalRegister(3, 'c')
circuit = QuantumCircuit(qr, cr)
circuit.measure(qr, cr)
self.assertEqual(str(_text_circuit_drawer(circuit)), expected)
def test_text_ccx(self):
""" cx drawing. """
expected = '\n'.join([
" ┌───┐", "q_0: |0>──■────■──┤ X ├",
" │ ┌─┴─┐└─┬─┘", "q_1: |0>──■──┤ X ├──■──",
" ┌─┴─┐└─┬─┘ │ ", "q_2: |0>┤ X ├──■────■──",
" └───┘ "
])
qr = QuantumRegister(3, 'q')
circuit = QuantumCircuit(qr)
circuit.ccx(qr[0], qr[1], qr[2])
circuit.ccx(qr[2], qr[0], qr[1])
circuit.ccx(qr[2], qr[1], qr[0])
self.assertEqual(_text_circuit_drawer(circuit), expected)
def test_text_measure_1_reversebits(self):
""" The measure operator, using 3-bit-length registers, with reversebits """
expected = '\n'.join([
" ┌─┐ ", "q_2: |0>┤M├──────", " └╥┘┌─┐ ",
"q_1: |0>─╫─┤M├───", " ║ └╥┘┌─┐", "q_0: |0>─╫──╫─┤M├",
" ║ ║ └╥┘", " c_2: 0 ═╩══╬══╬═", " ║ ║ ",
" c_1: 0 ════╩══╬═", " ║ ", " c_0: 0 ═══════╩═",
" "
])
qr = QuantumRegister(3, 'q')
cr = ClassicalRegister(3, 'c')
circuit = QuantumCircuit(qr, cr)
circuit.measure(qr, cr)
self.assertEqual(_text_circuit_drawer(circuit, reversebits=True),
expected)
def test_text_single_gate(self):
""" Single Qbit gate drawing. """
expected = '\n'.join([
" ┌───┐", "q1_0: |0>──────────┤ H ├",
" ┌───┐└───┘", "q1_1: |0>─────┤ H ├─────",
" └───┘ ", "q2_0: |0>───────────────",
" ┌───┐ ", "q2_1: |0>┤ H ├──────────",
" └───┘ "
])
qr1 = QuantumRegister(2, 'q1')
qr2 = QuantumRegister(2, 'q2')
circuit = QuantumCircuit(qr1, qr2)
circuit.h(qr1)
circuit.h(qr2[1])
self.assertEqual(str(_text_circuit_drawer(circuit)), expected)
def test_text_reset(self):
""" Reset drawing. """
expected = '\n'.join([
" ", "q1_0: |0>───────────|0>─",
" ", "q1_1: |0>──────|0>──────",
" ", "q2_0: |0>───────────────",
" ", "q2_1: |0>─|0>───────────",
" "
])
qr1 = QuantumRegister(2, 'q1')
qr2 = QuantumRegister(2, 'q2')
circuit = QuantumCircuit(qr1, qr2)
circuit.reset(qr1)
circuit.reset(qr2[1])
self.assertEqual(str(_text_circuit_drawer(circuit)), expected)
def test_text_plotbarriers(self):
""" Drawing without plotbarriers. """
expected = '\n'.join([
" ┌───┐", "q1_0: |0>───────────────┤ H ├",
" ┌───┐└───┘", "q1_1: |0>──────────┤ H ├─────",
" ┌───┐└───┘ ", "q2_0: |0>─────┤ H ├──────────",
" ┌───┐└───┘ ", "q2_1: |0>┤ H ├───────────────",
" └───┘ "
])
qr1 = QuantumRegister(2, 'q1')
qr2 = QuantumRegister(2, 'q2')
circuit = QuantumCircuit(qr1, qr2)
circuit.h(qr1)
circuit.barrier(qr1)
circuit.barrier(qr2[1])
circuit.h(qr2)
self.assertEqual(
str(_text_circuit_drawer(circuit, plotbarriers=False)), expected)
def test_text_conditional_1(self):
""" Conditional drawing with 1-bit-length regs."""
qasm_string = """
OPENQASM 2.0;
include "qelib1.inc";
qreg q[1];
creg c0[1];
creg c1[1];
if(c0==1) x q[0];
if(c1==1) x q[0];
"""
expected = '\n'.join([
" ┌───────┐┌───────┐", "q_0: |0>┤ X ├┤ X ├",
" ├───┴───┤└───┬───┘", "c0_0: 0 ╡ = 0x1 ╞════╪════",
" └───────┘┌───┴───┐", "c1_0: 0 ═════════╡ = 0x1 ╞",
" └───────┘"
])
circuit = circuit_from_qasm_string(qasm_string)
self.assertEqual(_text_circuit_drawer(circuit), expected)