def test_modify_existing_target():
"""Set default targets file, then override base Target definition"""
initial_target_json = """
{
"Target": {
"core": null,
"default_toolchain": "ARM",
"supported_toolchains": null,
"extra_labels": [],
"is_disk_virtual": false,
"macros": [],
"device_has": [],
"features": [],
"detect_code": [],
"public": false,
"default_lib": "std",
"bootloader_supported": false
},
"Test_Target": {
"inherits": ["Target"],
"core": "Cortex-M4",
"supported_toolchains": ["ARM"]
}
}"""
test_target_json = """
{
"Target": {
"core": "Cortex-M0",
"default_toolchain": "GCC_ARM",
"supported_toolchains": null,
"extra_labels": [],
"is_disk_virtual": false,
"macros": [],
"device_has": [],
"features": [],
"detect_code": [],
"public": false,
"default_lib": "std",
"bootloader_supported": true
}
}
"""
with temp_target_file(initial_target_json, json_filename="targets.json") as targets_dir:
Target.set_targets_json_location(os.path.join(targets_dir, "targets.json"))
update_target_data()
assert TARGET_MAP["Test_Target"].core == "Cortex-M4"
assert TARGET_MAP["Test_Target"].default_toolchain == 'ARM'
assert TARGET_MAP["Test_Target"].bootloader_supported == False
with temp_target_file(test_target_json) as source_dir:
Target.add_extra_targets(source_dir=source_dir)
update_target_data()
assert TARGET_MAP["Test_Target"].core == "Cortex-M4"
# The existing target should not be modified by custom targets
assert TARGET_MAP["Test_Target"].default_toolchain != 'GCC_ARM'
assert TARGET_MAP["Test_Target"].bootloader_supported != True
def temp_target_file(self,
extra_target,
json_filename='custom_targets.json'):
"""Create an extra targets temp file in a context manager"""
tempdir = tempfile.mkdtemp()
try:
targetfile = os.path.join(tempdir, json_filename)
with open(targetfile, 'w') as f:
f.write(extra_target)
yield tempdir
finally:
# Reset extra targets
Target.set_targets_json_location()
# Delete temp files
shutil.rmtree(tempdir)
def temp_target_file(extra_target, json_filename='custom_targets.json'):
"""Create an extra targets temp file in a context manager
:param extra_target: the contents of the extra targets temp file
"""
tempdir = tempfile.mkdtemp()
try:
targetfile = os.path.join(tempdir, json_filename)
with open(targetfile, 'w') as f:
f.write(extra_target)
yield tempdir
finally:
# Reset extra targets
Target.set_targets_json_location()
# Delete temp files
shutil.rmtree(tempdir)