def test_save_hex_path_not_to_hex_file():
"""
The function raises a ValueError if the path is NOT to a .hex file.
"""
with pytest.raises(ValueError) as ex:
uflash.save_hex('foo', '')
assert ex.value.args[0] == 'The path to flash must be for a .hex file.'
def test_save_hex_no_hex():
"""
The function raises a ValueError if no hex content is provided.
"""
with pytest.raises(ValueError) as ex:
uflash.save_hex('', 'foo')
assert ex.value.args[0] == 'Cannot flash an empty .hex file.'
def test_save_hex_path_not_to_hex_file():
"""
The function raises a ValueError if the path is NOT to a .hex file.
"""
with pytest.raises(ValueError) as ex:
uflash.save_hex('foo', '')
assert ex.value.args[0] == 'The path to flash must be for a .hex file.'
def test_save_hex_no_hex():
"""
The function raises a ValueError if no hex content is provided.
"""
with pytest.raises(ValueError) as ex:
uflash.save_hex('', 'foo')
assert ex.value.args[0] == 'Cannot flash an empty .hex file.'
def test_save_hex():
"""
Ensure the good case works.
"""
# Ensure we have a temporary file to write to that doesn't already exist.
path_to_hex = os.path.join(tempfile.gettempdir(), "microbit.hex")
if os.path.exists(path_to_hex):
os.remove(path_to_hex)
assert not os.path.exists(path_to_hex)
# Create the hex file we want to "flash"
hex_file = uflash.embed_fs_uhex(uflash._RUNTIME, TEST_SCRIPT)
# Save the hex.
uflash.save_hex(hex_file, path_to_hex)
# Ensure the hex has been written as expected.
assert os.path.exists(path_to_hex)
with open(path_to_hex) as written_file:
assert written_file.read() == hex_file
def test_save_hex():
"""
Ensure the good case works.
"""
# Ensure we have a temporary file to write to that doesn't already exist.
path_to_hex = os.path.join(tempfile.gettempdir(), 'microbit.hex')
if os.path.exists(path_to_hex):
os.remove(path_to_hex)
assert not os.path.exists(path_to_hex)
# Create the hex file we want to "flash"
python = uflash.hexlify(TEST_SCRIPT)
hex_file = uflash.embed_hex(uflash._RUNTIME, python)
# Save the hex.
uflash.save_hex(hex_file, path_to_hex)
# Ensure the hex has been written as expected.
assert os.path.exists(path_to_hex)
with open(path_to_hex) as written_file:
assert written_file.read() == hex_file
