import six import escpos.printer as printer from escpos.constants import SET_FONT, TXT_NORMAL, TXT_SIZE, TXT_STYLE # Default test, please copy and paste this block to test set method calls def test_default_values(): instance = printer.Dummy() instance.set() expected_sequence = ( TXT_NORMAL, TXT_STYLE["size"]["normal"], # Normal text size TXT_STYLE["flip"][False], # Flip OFF TXT_STYLE["smooth"][False], # Smooth OFF TXT_STYLE["bold"][False], # Bold OFF TXT_STYLE["underline"][0], # Underline OFF SET_FONT(b"\x00"), # Default font TXT_STYLE["align"]["left"], # Align left TXT_STYLE["invert"][False], # Inverted OFF ) assert instance.output == b"".join(expected_sequence) # Size tests def test_set_size_2h(): instance = printer.Dummy() instance.set(double_height=True) expected_sequence = ( TXT_NORMAL, TXT_STYLE["size"]["2h"], # Double height text size TXT_STYLE["flip"][False], # Flip OFF TXT_STYLE["smooth"][False], # Smooth OFF TXT_STYLE["bold"][False], # Bold OFF TXT_STYLE["underline"][0], # Underline OFF SET_FONT(b"\x00"), # Default font TXT_STYLE["align"]["left"], # Align left TXT_STYLE["invert"][False], # Inverted OFF ) assert instance.output == b"".join(expected_sequence) def test_set_size_2w(): instance = printer.Dummy() instance.set(double_width=True) expected_sequence = ( TXT_NORMAL, TXT_STYLE["size"]["2w"], # Double width text size TXT_STYLE["flip"][False], # Flip OFF TXT_STYLE["smooth"][False], # Smooth OFF TXT_STYLE["bold"][False], # Bold OFF TXT_STYLE["underline"][0], # Underline OFF SET_FONT(b"\x00"), # Default font TXT_STYLE["align"]["left"], # Align left TXT_STYLE["invert"][False], # Inverted OFF ) assert instance.output == b"".join(expected_sequence) def test_set_size_2x(): instance = printer.Dummy() instance.set(double_height=True, double_width=True) expected_sequence = ( TXT_NORMAL, TXT_STYLE["size"]["2x"], # Double text size TXT_STYLE["flip"][False], # Flip OFF TXT_STYLE["smooth"][False], # Smooth OFF TXT_STYLE["bold"][False], # Bold OFF TXT_STYLE["underline"][0], # Underline OFF SET_FONT(b"\x00"), # Default font TXT_STYLE["align"]["left"], # Align left TXT_STYLE["invert"][False], # Inverted OFF ) assert instance.output == b"".join(expected_sequence) def test_set_size_custom(): instance = printer.Dummy() instance.set(custom_size=True, width=8, height=7) expected_sequence = ( TXT_SIZE, # Custom text size, no normal reset six.int2byte(TXT_STYLE["width"][8] + TXT_STYLE["height"][7]), TXT_STYLE["flip"][False], # Flip OFF TXT_STYLE["smooth"][False], # Smooth OFF TXT_STYLE["bold"][False], # Bold OFF TXT_STYLE["underline"][0], # Underline OFF SET_FONT(b"\x00"), # Default font TXT_STYLE["align"]["left"], # Align left TXT_STYLE["invert"][False], # Inverted OFF ) assert instance.output == b"".join(expected_sequence) # Flip def test_set_flip(): instance = printer.Dummy() instance.set(flip=True) expected_sequence = ( TXT_NORMAL, TXT_STYLE["size"]["normal"], # Normal text size TXT_STYLE["flip"][True], # Flip ON TXT_STYLE["smooth"][False], # Smooth OFF TXT_STYLE["bold"][False], # Bold OFF TXT_STYLE["underline"][0], # Underline OFF SET_FONT(b"\x00"), # Default font TXT_STYLE["align"]["left"], # Align left TXT_STYLE["invert"][False], # Inverted OFF ) assert instance.output == b"".join(expected_sequence) # Smooth def test_smooth(): instance = printer.Dummy() instance.set(smooth=True) expected_sequence = ( TXT_NORMAL, TXT_STYLE["size"]["normal"], # Normal text size TXT_STYLE["flip"][False], # Flip OFF TXT_STYLE["smooth"][True], # Smooth ON TXT_STYLE["bold"][False], # Bold OFF TXT_STYLE["underline"][0], # Underline OFF SET_FONT(b"\x00"), # Default font TXT_STYLE["align"]["left"], # Align left TXT_STYLE["invert"][False], # Inverted OFF ) assert instance.output == b"".join(expected_sequence) # Type def test_set_bold(): instance = printer.Dummy() instance.set(bold=True) expected_sequence = ( TXT_NORMAL, TXT_STYLE["size"]["normal"], # Normal text size TXT_STYLE["flip"][False], # Flip OFF TXT_STYLE["smooth"][False], # Smooth OFF TXT_STYLE["bold"][True], # Bold ON TXT_STYLE["underline"][0], # Underline OFF SET_FONT(b"\x00"), # Default font TXT_STYLE["align"]["left"], # Align left TXT_STYLE["invert"][False], # Inverted OFF ) assert instance.output == b"".join(expected_sequence) def test_set_underline(): instance = printer.Dummy() instance.set(underline=1) expected_sequence = ( TXT_NORMAL, TXT_STYLE["size"]["normal"], # Normal text size TXT_STYLE["flip"][False], # Flip OFF TXT_STYLE["smooth"][False], # Smooth OFF TXT_STYLE["bold"][False], # Bold OFF TXT_STYLE["underline"][1], # Underline ON, type 1 SET_FONT(b"\x00"), # Default font TXT_STYLE["align"]["left"], # Align left TXT_STYLE["invert"][False], # Inverted OFF ) assert instance.output == b"".join(expected_sequence) def test_set_underline2(): instance = printer.Dummy() instance.set(underline=2) expected_sequence = ( TXT_NORMAL, TXT_STYLE["size"]["normal"], # Normal text size TXT_STYLE["flip"][False], # Flip OFF TXT_STYLE["smooth"][False], # Smooth OFF TXT_STYLE["bold"][False], # Bold OFF TXT_STYLE["underline"][2], # Underline ON, type 2 SET_FONT(b"\x00"), # Default font TXT_STYLE["align"]["left"], # Align left TXT_STYLE["invert"][False], # Inverted OFF ) assert instance.output == b"".join(expected_sequence) # Align def test_align_center(): instance = printer.Dummy() instance.set(align="center") expected_sequence = ( TXT_NORMAL, TXT_STYLE["size"]["normal"], # Normal text size TXT_STYLE["flip"][False], # Flip OFF TXT_STYLE["smooth"][False], # Smooth OFF TXT_STYLE["bold"][False], # Bold OFF TXT_STYLE["underline"][0], # Underline OFF SET_FONT(b"\x00"), # Default font TXT_STYLE["align"]["center"], # Align center TXT_STYLE["invert"][False], # Inverted OFF ) assert instance.output == b"".join(expected_sequence) def test_align_right(): instance = printer.Dummy() instance.set(align="right") expected_sequence = ( TXT_NORMAL, TXT_STYLE["size"]["normal"], # Normal text size TXT_STYLE["flip"][False], # Flip OFF TXT_STYLE["smooth"][False], # Smooth OFF TXT_STYLE["bold"][False], # Bold OFF TXT_STYLE["underline"][0], # Underline OFF SET_FONT(b"\x00"), # Default font TXT_STYLE["align"]["right"], # Align right TXT_STYLE["invert"][False], # Inverted OFF ) assert instance.output == b"".join(expected_sequence) # Densities def test_densities(): for density in range(8): instance = printer.Dummy() instance.set(density=density) expected_sequence = ( TXT_NORMAL, TXT_STYLE["size"]["normal"], # Normal text size TXT_STYLE["flip"][False], # Flip OFF TXT_STYLE["smooth"][False], # Smooth OFF TXT_STYLE["bold"][False], # Bold OFF TXT_STYLE["underline"][0], # Underline OFF SET_FONT(b"\x00"), # Default font TXT_STYLE["align"]["left"], # Align left TXT_STYLE["density"][density], # Custom density from 0 to 8 TXT_STYLE["invert"][False], # Inverted OFF ) assert instance.output == b"".join(expected_sequence) # Invert def test_invert(): instance = printer.Dummy() instance.set(invert=True) expected_sequence = ( TXT_NORMAL, TXT_STYLE["size"]["normal"], # Normal text size TXT_STYLE["flip"][False], # Flip OFF TXT_STYLE["smooth"][False], # Smooth OFF TXT_STYLE["bold"][False], # Bold OFF TXT_STYLE["underline"][0], # Underline OFF SET_FONT(b"\x00"), # Default font TXT_STYLE["align"]["left"], # Align left TXT_STYLE["invert"][True], # Inverted ON ) assert instance.output == b"".join(expected_sequence)