dd2ec55bb3
This was tested on ZJ-5890 with success. By default centering is deactivated for backward compatibility. Trying to center a QR code in native mode will raise an exception as we do not know ATM if the native rendering is centered by default or not.
112 lines
3.2 KiB
Python
112 lines
3.2 KiB
Python
#!/usr/bin/python
|
|
"""test native QR code printing
|
|
|
|
:author: `Michael Billington <michael.billington@gmail.com>`_
|
|
:organization: `python-escpos <https://github.com/python-escpos>`_
|
|
:copyright: Copyright (c) 2016 `Michael Billington <michael.billington@gmail.com>`_
|
|
:license: MIT
|
|
"""
|
|
|
|
from __future__ import absolute_import
|
|
from __future__ import division
|
|
from __future__ import print_function
|
|
from __future__ import unicode_literals
|
|
|
|
from nose.tools import raises
|
|
import pytest
|
|
|
|
import escpos.printer as printer
|
|
from escpos.constants import QR_ECLEVEL_H, QR_MODEL_1
|
|
|
|
|
|
def test_defaults():
|
|
"""Test QR code with defaults"""
|
|
instance = printer.Dummy()
|
|
instance.qr("1234", native=True)
|
|
expected = b'\x1d(k\x04\x001A2\x00\x1d(k\x03\x001C\x03\x1d(k\x03\x001E0\x1d' \
|
|
b'(k\x07\x001P01234\x1d(k\x03\x001Q0'
|
|
assert(instance.output == expected)
|
|
|
|
def test_empty():
|
|
"""Test QR printing blank code"""
|
|
instance = printer.Dummy()
|
|
instance.qr("", native=True)
|
|
assert(instance.output == b'')
|
|
|
|
|
|
def test_ec():
|
|
"""Test QR error correction setting"""
|
|
instance = printer.Dummy()
|
|
instance.qr("1234", native=True, ec=QR_ECLEVEL_H)
|
|
expected = b'\x1d(k\x04\x001A2\x00\x1d(k\x03\x001C\x03\x1d(k\x03\x001E3\x1d' \
|
|
b'(k\x07\x001P01234\x1d(k\x03\x001Q0'
|
|
assert(instance.output == expected)
|
|
|
|
|
|
def test_size():
|
|
"""Test QR box size"""
|
|
instance = printer.Dummy()
|
|
instance.qr("1234", native=True, size=7)
|
|
expected = b'\x1d(k\x04\x001A2\x00\x1d(k\x03\x001C\x07\x1d(k\x03\x001E0\x1d' \
|
|
b'(k\x07\x001P01234\x1d(k\x03\x001Q0'
|
|
assert(instance.output == expected)
|
|
|
|
|
|
def test_model():
|
|
"""Test QR model"""
|
|
instance = printer.Dummy()
|
|
instance.qr("1234", native=True, model=QR_MODEL_1)
|
|
expected = b'\x1d(k\x04\x001A1\x00\x1d(k\x03\x001C\x03\x1d(k\x03\x001E0\x1d' \
|
|
b'(k\x07\x001P01234\x1d(k\x03\x001Q0'
|
|
assert(instance.output == expected)
|
|
|
|
|
|
@raises(ValueError)
|
|
def test_invalid_ec():
|
|
"""Test invalid QR error correction"""
|
|
instance = printer.Dummy()
|
|
instance.qr("1234", native=True, ec=-1)
|
|
|
|
|
|
@raises(ValueError)
|
|
def test_invalid_size():
|
|
"""Test invalid QR size"""
|
|
instance = printer.Dummy()
|
|
instance.qr("1234", native=True, size=0)
|
|
|
|
|
|
@raises(ValueError)
|
|
def test_invalid_model():
|
|
"""Test invalid QR model"""
|
|
instance = printer.Dummy()
|
|
instance.qr("1234", native=True, model="Hello")
|
|
|
|
|
|
def test_image():
|
|
"""Test QR as image"""
|
|
instance = printer.Dummy()
|
|
instance.qr("1", native=False, size=1)
|
|
print(instance.output)
|
|
expected = b'\x1bt\x00\n' \
|
|
b'\x1dv0\x00\x03\x00\x17\x00\x00\x00\x00\x7f]\xfcA\x19\x04]it]et' \
|
|
b']ItA=\x04\x7fU\xfc\x00\x0c\x00y~t4\x7f =\xa84j\xd9\xf0\x05\xd4\x90\x00' \
|
|
b'i(\x7f<\xa8A \xd8]\'\xc4]y\xf8]E\x80Ar\x94\x7fR@\x00\x00\x00' \
|
|
b'\n\n'
|
|
assert(instance.output == expected)
|
|
|
|
|
|
@raises(ValueError)
|
|
def test_image_invalid_model():
|
|
"""Test unsupported QR model as image"""
|
|
instance = printer.Dummy()
|
|
instance.qr("1234", native=False, model=QR_MODEL_1)
|
|
|
|
|
|
@pytest.fixture
|
|
def instance():
|
|
return printer.Dummy()
|
|
|
|
|
|
def test_center_not_implementer(instance):
|
|
with pytest.raises(NotImplementedError):
|
|
instance.qr("test", center=True, native=True) |