def test_read_python_code_exception(mock_extract_script, mock_read_flash):
"""Check error thrown if failing to find Python code in flash."""
data_bytes = bytes([x for x in range(64)])
mock_read_flash.return_value = (0x3E000, data_bytes)
mock_extract_script.side_effect = Exception("Boom")
try:
cmds.read_python_code()
except Exception as e:
assert str(e) == "Could not decode the MicroPython code from flash"
else:
raise AssertionError("Expected excepion not thrown.")
def test_read_python_code(mock_bytes_to_intel_hex, mock_read_flash):
"""."""
python_code_hex = "\n".join([
":020000040003F7",
":10E000004D509600232041646420796F7572205032",
":10E010007974686F6E20636F646520686572652E21",
":10E0200020452E672E0A66726F6D206D6963726FD0",
":10E0300062697420696D706F7274202A0A7768694A",
":10E040006C6520547275653A0A202020206469733B",
":10E05000706C61792E7363726F6C6C282748656CE5",
":10E060006C6F2C20576F726C642127290A202020A6",
":10E0700020646973706C61792E73686F7728496DBD",
":10E080006167652E4845415254290A20202020739B",
":10E090006C656570283230303029000000000000C7",
":10E0A000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF80",
])
python_code = "\n".join([
"# Add your Python code here. E.g.",
"from microbit import *",
"while True:",
" display.scroll('Hello, World!')",
" display.show(Image.HEART)",
" sleep(2000)",
])
mock_bytes_to_intel_hex.return_value = python_code_hex
result = cmds.read_python_code()
assert result == python_code
def read_python_code(self):
"""Read the Python user code from the micro:bit flash.
Displays it as text code in the read-only text viewer.
"""
self.set_next_cmd(self.CMD_READ_CODE)
python_code = read_python_code()
self.text_viewer.replace(python_code)
def test_read_python_code_empty(mock_read_flash):
"""Check an emptry Python code is returned on an empty flash."""
data_bytes = bytes([x for x in range(64)])
mock_read_flash.return_value = (0x3E000, data_bytes)
result = cmds.read_python_code()
assert result == ""
def test_read_python_code_empty(mock_bytes_to_intel_hex, mock_read_flash):
"""Check error thrown if failing to find Python code in flash."""
python_code_hex = "\n".join([
":020000040003F7",
":10E00000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF20",
":10E01000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF10",
":10E02000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00",
":10E03000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0",
])
mock_bytes_to_intel_hex.return_value = python_code_hex
try:
cmds.read_python_code()
except Exception:
assert True, "Could not decode Python user code"
else:
raise AssertionError(
"Decoded Python user code without throwing exception")