check-dumpevents.py

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#!/usr/bin/env python

# Post-process the output of test-dumpevents and check it for correctness.

import math

import re

import sys

text = sys.stdin.readlines()

try:

    expect_inserted_pos = text.index("Inserted:\n")

    expect_active_pos = text.index("Active:\n")

    got_inserted_pos = text.index("Inserted events:\n")

    got_active_pos = text.index("Active events:\n")

except ValueError:

    sys.stderr.write("Missing expected dividing line in dumpevents output")

    sys.exit(1)

if not (expect_inserted_pos < expect_active_pos <

        got_inserted_pos < got_active_pos):

    sys.stderr.write("Sections out of order in dumpevents output")

    sys.exit(1)

now,T= text[1].split()

T = float(T)

want_inserted = set(text[expect_inserted_pos+1:expect_active_pos])

want_active = set(text[expect_active_pos+1:got_inserted_pos-1])

got_inserted = set(text[got_inserted_pos+1:got_active_pos])

got_active = set(text[got_active_pos+1:])

pat = re.compile(r'Timeout=([0-9\.]+)')

def replace_time(m):

    t = float(m.group(1))

    if .9 < abs(t-T) < 1.1:

        return "Timeout=T+1"

    elif 2.4 < abs(t-T) < 2.6:

        return "Timeout=T+2.5"

    else:

        return m.group(0)

cleaned_inserted = set( pat.sub(replace_time, s) for s in got_inserted

                        if "Internal" not in s)

if cleaned_inserted != want_inserted:

    sys.stderr.write("Inserted event lists were not as expected!")

    sys.exit(1)

if set(got_active) != set(want_active):

    sys.stderr.write("Active event lists were not as expected!")

    sys.exit(1)