buildroot/support/testing/tests/package/test_micropython.py

80 lines
2.9 KiB
Python

import os
import infra.basetest
class TestMicroPython(infra.basetest.BRTest):
config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
f"""
BR2_PACKAGE_MICROPYTHON=y
BR2_PACKAGE_MICROPYTHON_LIB=y
BR2_ROOTFS_OVERLAY="{infra.filepath("tests/package/test_micropython/rootfs-overlay")}"
BR2_TARGET_ROOTFS_CPIO=y
# BR2_TARGET_ROOTFS_TAR is not set
"""
def run_upy_code(self, python_code, opts=""):
cmd = f'micropython {opts} -c "{python_code}"'
output, ret = self.emulator.run(cmd)
self.assertEqual(ret, 0, f"could not run '{cmd}', returnd {ret}: '{output}'")
return output
def test_run(self):
cpio_file = os.path.join(self.builddir, "images", "rootfs.cpio")
self.emulator.boot(arch="armv5",
kernel="builtin",
options=["-initrd", cpio_file])
self.emulator.login()
# The micropython binary can execute.
self.assertRunOk("micropython -h")
# Query interpreter version and implementation.
py_code = "import sys ; "
py_code += "print('Version:', sys.version) ; "
py_code += "print('Implementation:', sys.implementation)"
self.run_upy_code(py_code)
# Check implementation is 'micropython'.
py_code = "import sys ; print(sys.implementation.name)"
output = self.run_upy_code(py_code)
self.assertEqual(output[0], "micropython")
# Check micropython optimization are correctly reported.
py_code = "import micropython ; print(micropython.opt_level())"
for opt_level in range(4):
output = self.run_upy_code(py_code, f"-O{opt_level}")
self.assertEqual(
int(output[0]),
opt_level,
f"Running '{py_code}' at -O{opt_level} returned '{output}'"
)
# Check micropython can return a non-zero exit code.
expected_code = 123
py_code = "import sys ; "
py_code += f"sys.exit({expected_code})"
cmd = f'micropython -c "{py_code}"'
_, exit_code = self.emulator.run(cmd)
self.assertEqual(exit_code, expected_code)
# Check micropython computes correctly.
input_value = 1234
expected_output = str(sum(range(input_value)))
py_code = f"print(sum(range(({input_value}))))"
output = self.run_upy_code(py_code)
self.assertEqual(output[0], expected_output)
# Check a small script can execute.
self.assertRunOk("/root/mandel.py", timeout=10)
# Check we can use a micropython-lib module.
msg = "Hello Buildroot!"
filename = "file.txt"
gz_filename = f"{filename}.gz"
self.assertRunOk(f"echo '{msg}' > {filename}")
self.assertRunOk(f"gzip {filename}")
out, ret = self.emulator.run(f"/root/zcat.py {gz_filename}")
self.assertEqual(ret, 0)
self.assertEqual(out[0], msg)