Port test runner to python

2019-01-13 08:47:23 +01:00
parent 05493d4206
commit 6b34f55855
3 changed files with 67 additions and 35 deletions
--- a/tests/test.py
+++ b/tests/test.py
@@ -0,0 +1,65 @@
+#!/usr/bin/python3
+
+import argparse
+import statistics
+import subprocess
+import sys
+
+def run(args, code, expected):
+    inner_reps = 10000000 if args.benchmark else 1
+    outer_reps = 3 if args.benchmark else 1
+    times = []
+    for _ in range(outer_reps):
+        output = subprocess.check_output([args.driver, code, str(inner_reps)],
+                                         universal_newlines=True)
+        instr, time = tuple(output.split("\n", 1))
+        if instr != expected:
+            raise Exception('wrong result, expected %r got %r (code %r)' %
+                            (expected, instr, code))
+        if args.benchmark:
+            times.append(float(time.split()[0]) / inner_reps)
+
+    if args.benchmark:
+        mean = statistics.mean(times)
+        stdev = statistics.stdev(times)
+        print("{:53} {:6.3f} ns (std: {:6.3f} ns)".format(expected, mean, stdev))
+
+    return times
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--benchmark", action="store_true")
+    parser.add_argument("driver")
+    parser.add_argument("archmode", choices=[32, 64], type=int)
+    parser.add_argument("cases", nargs="+", type=argparse.FileType('r'))
+    args = parser.parse_args()
+
+    failed, total = 0, 0
+    total_times = []
+
+    for file in args.cases:
+        cases = [tuple(ln.strip().split(maxsplit=2)) for ln in file.readlines()]
+        for op, code, expected in cases:
+            if op == "decode32" and args.archmode != 32: continue
+            if op == "decode64" and args.archmode != 64: continue
+
+            # Compatibility with old test system
+            if expected[0] == '"' and expected[-1] == '"':
+                expected = expected[1:-1]
+
+            try:
+                total += 1
+                total_times += run(args, code, expected)
+            except Exception as e:
+                failed += 1
+                print("FAILED: %s" % e)
+
+    if failed:
+        print("FAILED %d/%d tests" % (failed, total))
+        sys.exit(1)
+    else:
+        print("PASSED %d tests" % total)
+        if args.benchmark:
+            mean = statistics.mean(total_times)
+            stdev = statistics.stdev(total_times)
+            print("Average: {:6.3f} ns (std: {:6.3f} ns)".format(mean, stdev))