micropython: add micropython component

components/language/micropython/tests/run-internalbench.py

@@ -0,0 +1,107 @@
+#! /usr/bin/env python3
+
+import os
+import subprocess
+import sys
+import argparse
+import re
+from glob import glob
+from collections import defaultdict
+
+# Tests require at least CPython 3.3. If your default python3 executable
+# is of lower version, you can point MICROPY_CPYTHON3 environment var
+# to the correct executable.
+if os.name == "nt":
+    CPYTHON3 = os.getenv("MICROPY_CPYTHON3", "python3.exe")
+    MICROPYTHON = os.getenv("MICROPY_MICROPYTHON", "../ports/windows/micropython.exe")
+else:
+    CPYTHON3 = os.getenv("MICROPY_CPYTHON3", "python3")
+    MICROPYTHON = os.getenv("MICROPY_MICROPYTHON", "../ports/unix/micropython")
+
+
+def run_tests(pyb, test_dict):
+    test_count = 0
+    testcase_count = 0
+
+    for base_test, tests in sorted(test_dict.items()):
+        print(base_test + ":")
+        for test_file in tests:
+
+            # run MicroPython
+            if pyb is None:
+                # run on PC
+                try:
+                    output_mupy = subprocess.check_output(
+                        [MICROPYTHON, "-X", "emit=bytecode", test_file[0]]
+                    )
+                except subprocess.CalledProcessError:
+                    output_mupy = b"CRASH"
+            else:
+                # run on pyboard
+                pyb.enter_raw_repl()
+                try:
+                    output_mupy = pyb.execfile(test_file).replace(b"\r\n", b"\n")
+                except pyboard.PyboardError:
+                    output_mupy = b"CRASH"
+
+            output_mupy = float(output_mupy.strip())
+            test_file[1] = output_mupy
+            testcase_count += 1
+
+        test_count += 1
+        baseline = None
+        for t in tests:
+            if baseline is None:
+                baseline = t[1]
+            print("    %.3fs (%+06.2f%%) %s" % (t[1], (t[1] * 100 / baseline) - 100, t[0]))
+
+    print("{} tests performed ({} individual testcases)".format(test_count, testcase_count))
+
+    # all tests succeeded
+    return True
+
+
+def main():
+    cmd_parser = argparse.ArgumentParser(description="Run tests for MicroPython.")
+    cmd_parser.add_argument("--pyboard", action="store_true", help="run the tests on the pyboard")
+    cmd_parser.add_argument("files", nargs="*", help="input test files")
+    args = cmd_parser.parse_args()
+
+    # Note pyboard support is copied over from run-tests.py, not tests, and likely needs revamping
+    if args.pyboard:
+        import pyboard
+
+        pyb = pyboard.Pyboard("/dev/ttyACM0")
+        pyb.enter_raw_repl()
+    else:
+        pyb = None
+
+    if len(args.files) == 0:
+        if pyb is None:
+            # run PC tests
+            test_dirs = ("internal_bench",)
+        else:
+            # run pyboard tests
+            test_dirs = ("basics", "float", "pyb")
+        tests = sorted(
+            test_file
+            for test_files in (glob("{}/*.py".format(dir)) for dir in test_dirs)
+            for test_file in test_files
+        )
+    else:
+        # tests explicitly given
+        tests = sorted(args.files)
+
+    test_dict = defaultdict(lambda: [])
+    for t in tests:
+        m = re.match(r"(.+?)-(.+)\.py", t)
+        if not m:
+            continue
+        test_dict[m.group(1)].append([t, None])
+
+    if not run_tests(pyb, test_dict):
+        sys.exit(1)
+
+
+if __name__ == "__main__":
+    main()