mirror of
https://github.com/eledio-devices/thirdparty-littlefs.git
synced 2025-10-31 16:14:16 +01:00
b06ce54279
This involved some minor tweaks for the various types of tests, added predicates to the test framework (necessary for test_entries and test_alloc), and cleaned up some of the testing semantics such as reporting how many tests are filtered, showing permutation config on the result screen, and properly inheriting suite config in cases.
717 lines
24 KiB
Python
Executable File
717 lines
24 KiB
Python
Executable File
#!/usr/bin/env python3
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# This script manages littlefs tests, which are configured with
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# .toml files stored in the tests directory.
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#
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# TODO
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# - nargs > 1?
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# x show perm config on failure
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# x filtering
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# n show perm config on verbose?
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# - better lineno tracking for cases?
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# n non-int perms?
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# - different path format?
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# - suite.prologue, suite.epilogue
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# - in
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# x change BLOCK_CYCLES to -1 by default
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# x change persist behaviour
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# x config chaining correct
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import toml
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import glob
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import re
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import os
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import io
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import itertools as it
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import collections.abc as abc
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import subprocess as sp
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import base64
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import sys
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import copy
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import shlex
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TESTDIR = 'tests_'
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RULES = """
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define FLATTEN
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%$(subst /,.,$(target:.c=.tc)): $(target)
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cat <(echo '#line 1 "$$<"') $$< > $$@
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endef
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$(foreach target,$(SRC),$(eval $(FLATTEN)))
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-include tests_/*.d
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.SECONDARY:
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%.c: %.tc
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./scripts/explode_asserts.py $< -o $@
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%.test: override CFLAGS += -fdiagnostics-color=always
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%.test: override CFLAGS += -ggdb
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%.test: %.test.o $(foreach f,$(subst /,.,$(SRC:.c=.o)),%.$f)
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$(CC) $(CFLAGS) $^ $(LFLAGS) -o $@
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"""
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GLOBALS = """
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//////////////// AUTOGENERATED TEST ////////////////
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#include "lfs.h"
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#include "filebd/lfs_filebd.h"
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#include "rambd/lfs_rambd.h"
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#include <stdio.h>
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const char *LFS_DISK = NULL;
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"""
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DEFINES = {
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"LFS_READ_SIZE": 16,
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"LFS_PROG_SIZE": "LFS_READ_SIZE",
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"LFS_BLOCK_SIZE": 512,
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"LFS_BLOCK_COUNT": 1024,
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"LFS_BLOCK_CYCLES": -1,
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"LFS_CACHE_SIZE": "(64 % LFS_PROG_SIZE == 0 ? 64 : LFS_PROG_SIZE)",
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"LFS_LOOKAHEAD_SIZE": 16,
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"LFS_ERASE_VALUE": 0xff,
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}
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PROLOGUE = """
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// prologue
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__attribute__((unused)) lfs_t lfs;
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__attribute__((unused)) lfs_filebd_t filebd;
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__attribute__((unused)) lfs_rambd_t rambd;
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__attribute__((unused)) lfs_file_t file;
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__attribute__((unused)) lfs_dir_t dir;
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__attribute__((unused)) struct lfs_info info;
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__attribute__((unused)) char path[1024];
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__attribute__((unused)) uint8_t buffer[1024];
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__attribute__((unused)) lfs_size_t size;
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__attribute__((unused)) int err;
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__attribute__((unused)) const struct lfs_config cfg = {
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.context = LFS_DISK ? (void*)&filebd : (void*)&rambd,
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.read = LFS_DISK ? &lfs_filebd_read : &lfs_rambd_read,
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.prog = LFS_DISK ? &lfs_filebd_prog : &lfs_rambd_prog,
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.erase = LFS_DISK ? &lfs_filebd_erase : &lfs_rambd_erase,
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.sync = LFS_DISK ? &lfs_filebd_sync : &lfs_rambd_sync,
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.read_size = LFS_READ_SIZE,
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.prog_size = LFS_PROG_SIZE,
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.block_size = LFS_BLOCK_SIZE,
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.block_count = LFS_BLOCK_COUNT,
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.block_cycles = LFS_BLOCK_CYCLES,
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.cache_size = LFS_CACHE_SIZE,
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.lookahead_size = LFS_LOOKAHEAD_SIZE,
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};
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__attribute__((unused)) const struct lfs_filebd_config filecfg = {
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.erase_value = LFS_ERASE_VALUE,
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};
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__attribute__((unused)) const struct lfs_rambd_config ramcfg = {
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.erase_value = LFS_ERASE_VALUE,
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};
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if (LFS_DISK) {
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lfs_filebd_createcfg(&cfg, LFS_DISK, &filecfg);
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} else {
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lfs_rambd_createcfg(&cfg, &ramcfg);
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}
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"""
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EPILOGUE = """
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// epilogue
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if (LFS_DISK) {
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lfs_filebd_destroy(&cfg);
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} else {
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lfs_rambd_destroy(&cfg);
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}
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"""
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PASS = '\033[32m✓\033[0m'
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FAIL = '\033[31m✗\033[0m'
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class TestFailure(Exception):
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def __init__(self, case, returncode=None, stdout=None, assert_=None):
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self.case = case
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self.returncode = returncode
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self.stdout = stdout
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self.assert_ = assert_
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class TestCase:
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def __init__(self, config, suite=None, caseno=None, lineno=None, **_):
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self.suite = suite
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self.caseno = caseno
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self.lineno = lineno
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self.code = config['code']
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self.defines = config.get('define', {})
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self.if_ = config.get('if', None)
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self.leaky = config.get('leaky', False)
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def __str__(self):
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if hasattr(self, 'permno'):
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if any(k not in self.case.defines for k in self.defines):
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return '%s[%d,%d] (%s)' % (
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self.suite.name, self.caseno, self.permno, ', '.join(
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'%s=%s' % (k, v) for k, v in self.defines.items()
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if k not in self.case.defines))
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else:
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return '%s[%d,%d]' % (
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self.suite.name, self.caseno, self.permno)
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else:
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return '%s[%d]' % (
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self.suite.name, self.caseno)
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def permute(self, defines, permno=None, **_):
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ncase = copy.copy(self)
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ncase.case = self
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ncase.perms = [ncase]
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ncase.permno = permno
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ncase.defines = defines
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return ncase
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def build(self, f, **_):
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# prologue
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f.write('void test_case%d(' % self.caseno)
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first = True
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for k, v in sorted(self.perms[0].defines.items()):
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if k not in self.defines:
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if not first:
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f.write(',')
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else:
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first = False
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f.write('\n')
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f.write(8*' '+'__attribute__((unused)) intmax_t %s' % k)
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f.write(') {\n')
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for k, v in sorted(self.defines.items()):
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if k not in self.suite.defines:
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f.write(4*' '+'#define %s %s\n' % (k, v))
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f.write(PROLOGUE)
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f.write('\n')
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f.write(4*' '+'// test case %d\n' % self.caseno)
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f.write(4*' '+'#line %d "%s"\n' % (self.lineno, self.suite.path))
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# test case goes here
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f.write(self.code)
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# epilogue
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f.write(EPILOGUE)
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f.write('\n')
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for k, v in sorted(self.defines.items()):
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if k not in self.suite.defines:
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f.write(4*' '+'#undef %s\n' % k)
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f.write('}\n')
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def shouldtest(self, **args):
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if self.if_ is not None:
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return eval(self.if_, None, self.defines.copy())
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else:
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return True
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def test(self, exec=[], persist=False, gdb=False, failure=None, **args):
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# build command
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cmd = exec + ['./%s.test' % self.suite.path,
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repr(self.caseno), repr(self.permno)]
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# persist disk or keep in RAM for speed?
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if persist:
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if persist != 'noerase':
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try:
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os.remove(self.suite.path + '.disk')
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except FileNotFoundError:
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pass
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cmd.append(self.suite.path + '.disk')
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# failed? drop into debugger?
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if gdb and failure:
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ncmd = ['gdb']
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if gdb == 'assert':
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ncmd.extend(['-ex', 'r'])
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if failure.assert_:
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ncmd.extend(['-ex', 'up'])
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elif gdb == 'start':
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ncmd.extend([
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'-ex', 'b %s:%d' % (self.suite.path, self.lineno),
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'-ex', 'r'])
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ncmd.extend(['--args'] + cmd)
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if args.get('verbose', False):
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print(' '.join(shlex.quote(c) for c in ncmd))
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sys.exit(sp.call(ncmd))
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# run test case!
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stdout = []
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assert_ = None
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if args.get('verbose', False):
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print(' '.join(shlex.quote(c) for c in cmd))
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proc = sp.Popen(cmd,
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universal_newlines=True,
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bufsize=1,
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stdout=sp.PIPE,
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stderr=sp.STDOUT)
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for line in iter(proc.stdout.readline, ''):
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stdout.append(line)
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if args.get('verbose', False):
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sys.stdout.write(line)
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# intercept asserts
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m = re.match(
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'^{0}([^:]+):(\d+):(?:\d+:)?{0}{1}:{0}(.*)$'
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.format('(?:\033\[[\d;]*.| )*', 'assert'),
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line)
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if m and assert_ is None:
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try:
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with open(m.group(1)) as f:
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lineno = int(m.group(2))
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line = next(it.islice(f, lineno-1, None)).strip('\n')
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assert_ = {
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'path': m.group(1),
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'line': line,
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'lineno': lineno,
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'message': m.group(3)}
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except:
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pass
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proc.wait()
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# did we pass?
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if proc.returncode != 0:
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raise TestFailure(self, proc.returncode, stdout, assert_)
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else:
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return PASS
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class ValgrindTestCase(TestCase):
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def __init__(self, config, **args):
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self.leaky = config.get('leaky', False)
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super().__init__(config, **args)
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def shouldtest(self, **args):
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return not self.leaky and super().shouldtest(**args)
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def test(self, exec=[], **args):
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exec = exec + [
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'valgrind',
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'--leak-check=full',
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'--error-exitcode=4',
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'-q']
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return super().test(exec=exec, **args)
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class ReentrantTestCase(TestCase):
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def __init__(self, config, **args):
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self.reentrant = config.get('reentrant', False)
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super().__init__(config, **args)
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def shouldtest(self, **args):
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return self.reentrant and super().shouldtest(**args)
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def test(self, exec=[], persist=False, gdb=False, failure=None, **args):
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# clear disk first?
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if persist != 'noerase':
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try:
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os.remove(self.suite.path + '.disk')
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except FileNotFoundError:
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pass
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for cycles in it.count(1):
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# exact cycle we should drop into debugger?
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if gdb and failure and failure.cycleno == cycles:
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return super().test(exec=exec, persist=True,
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gdb=gdb, failure=failure, **args)
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# run tests, but kill the program after prog/erase has
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# been hit n cycles. We exit with a special return code if the
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# program has not finished, since this isn't a test failure.
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nexec = exec + [
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'gdb', '-batch-silent',
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'-ex', 'handle all nostop',
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'-ex', 'b lfs_filebd_prog',
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'-ex', 'b lfs_filebd_erase',
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'-ex', 'r',
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] + cycles*['-ex', 'c'] + [
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'-ex', 'q '
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'!$_isvoid($_exitsignal) ? $_exitsignal : '
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'!$_isvoid($_exitcode) ? $_exitcode : '
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'33',
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'--args']
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try:
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return super().test(exec=nexec, persist='noerase', **args)
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except TestFailure as nfailure:
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if nfailure.returncode == 33:
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continue
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else:
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nfailure.cycleno = cycles
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raise
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class TestSuite:
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def __init__(self, path, TestCase=TestCase, **args):
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self.name = os.path.basename(path)
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if self.name.endswith('.toml'):
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self.name = self.name[:-len('.toml')]
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self.path = path
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self.TestCase = TestCase
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with open(path) as f:
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# load tests
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config = toml.load(f)
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# find line numbers
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f.seek(0)
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linenos = []
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for i, line in enumerate(f):
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if re.match(r'^\s*code\s*=\s*(\'\'\'|""")', line):
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linenos.append(i + 2)
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# grab global config
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self.defines = config.get('define', {})
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# create initial test cases
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self.cases = []
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for i, (case, lineno) in enumerate(zip(config['case'], linenos)):
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# give our case's config a copy of our "global" config
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for k, v in config.items():
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if k not in case:
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case[k] = v
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# initialize test case
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self.cases.append(self.TestCase(case,
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suite=self, caseno=i, lineno=lineno, **args))
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def __str__(self):
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return self.name
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def __lt__(self, other):
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return self.name < other.name
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def permute(self, defines={}, **args):
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for case in self.cases:
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# lets find all parameterized definitions, in one of [args.D,
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# suite.defines, case.defines, DEFINES]. Note that each of these
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# can be either a dict of defines, or a list of dicts, expressing
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# an initial set of permutations.
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pending = [{}]
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for inits in [defines, self.defines, case.defines, DEFINES]:
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if not isinstance(inits, list):
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inits = [inits]
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npending = []
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for init, pinit in it.product(inits, pending):
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ninit = pinit.copy()
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for k, v in init.items():
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if k not in ninit:
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try:
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ninit[k] = eval(v)
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except:
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ninit[k] = v
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npending.append(ninit)
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pending = npending
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# expand permutations
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pending = list(reversed(pending))
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expanded = []
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while pending:
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perm = pending.pop()
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for k, v in sorted(perm.items()):
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if not isinstance(v, str) and isinstance(v, abc.Iterable):
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for nv in reversed(v):
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nperm = perm.copy()
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nperm[k] = nv
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pending.append(nperm)
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break
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else:
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expanded.append(perm)
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# generate permutations
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case.perms = []
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for i, perm in enumerate(expanded):
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case.perms.append(case.permute(perm, permno=i, **args))
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# also track non-unique defines
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case.defines = {}
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for k, v in case.perms[0].defines.items():
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if all(perm.defines[k] == v for perm in case.perms):
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case.defines[k] = v
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# track all perms and non-unique defines
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self.perms = []
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for case in self.cases:
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self.perms.extend(case.perms)
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self.defines = {}
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for k, v in self.perms[0].defines.items():
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if all(perm.defines.get(k, None) == v for perm in self.perms):
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self.defines[k] = v
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return self.perms
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def build(self, **args):
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# build test.c
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f = io.StringIO()
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f.write(GLOBALS)
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for case in self.cases:
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f.write('\n')
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case.build(f, **args)
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f.write('\n')
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f.write('int main(int argc, char **argv) {\n')
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f.write(4*' '+'int case_ = (argc >= 2) ? atoi(argv[1]) : 0;\n')
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f.write(4*' '+'int perm = (argc >= 3) ? atoi(argv[2]) : 0;\n')
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f.write(4*' '+'LFS_DISK = (argc >= 4) ? argv[3] : NULL;\n')
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for perm in self.perms:
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f.write(4*' '+'if (argc < 3 || '
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'(case_ == %d && perm == %d)) { ' % (
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perm.caseno, perm.permno))
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f.write('test_case%d(' % perm.caseno)
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first = True
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for k, v in sorted(perm.defines.items()):
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if k not in perm.case.defines:
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if not first:
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f.write(', ')
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else:
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first = False
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f.write(str(v))
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f.write('); }\n')
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f.write('}\n')
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# add test-related rules
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rules = RULES.replace(4*' ', '\t')
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with open(self.path + '.mk', 'w') as mk:
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mk.write(rules)
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mk.write('\n')
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# add truely global defines globally
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for k, v in sorted(self.defines.items()):
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mk.write('%s: override CFLAGS += -D%s=%r\n' % (
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self.path+'.test', k, v))
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# write test.c in base64 so make can decide when to rebuild
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mk.write('%s: %s\n' % (self.path+'.test.tc', self.path))
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mk.write('\t@base64 -d <<< ')
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mk.write(base64.b64encode(
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f.getvalue().encode('utf8')).decode('utf8'))
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mk.write(' > $@\n')
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self.makefile = self.path + '.mk'
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self.target = self.path + '.test'
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return self.makefile, self.target
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def test(self, caseno=None, permno=None, **args):
|
|
# run test suite!
|
|
if not args.get('verbose', True):
|
|
sys.stdout.write(self.name + ' ')
|
|
sys.stdout.flush()
|
|
for perm in self.perms:
|
|
if caseno is not None and perm.caseno != caseno:
|
|
continue
|
|
if permno is not None and perm.permno != permno:
|
|
continue
|
|
if not perm.shouldtest(**args):
|
|
continue
|
|
|
|
try:
|
|
result = perm.test(**args)
|
|
except TestFailure as failure:
|
|
perm.result = failure
|
|
if not args.get('verbose', True):
|
|
sys.stdout.write(FAIL)
|
|
sys.stdout.flush()
|
|
if not args.get('keep_going', False):
|
|
if not args.get('verbose', True):
|
|
sys.stdout.write('\n')
|
|
raise
|
|
else:
|
|
perm.result = PASS
|
|
if not args.get('verbose', True):
|
|
sys.stdout.write(PASS)
|
|
sys.stdout.flush()
|
|
|
|
if not args.get('verbose', True):
|
|
sys.stdout.write('\n')
|
|
|
|
def main(**args):
|
|
testpath = args['testpath']
|
|
|
|
# optional brackets for specific test
|
|
m = re.search(r'\[(\d+)(?:,(\d+))?\]$', testpath)
|
|
if m:
|
|
caseno = int(m.group(1))
|
|
permno = int(m.group(2)) if m.group(2) is not None else None
|
|
testpath = testpath[:m.start()]
|
|
else:
|
|
caseno = None
|
|
permno = None
|
|
|
|
# figure out the suite's toml file
|
|
if os.path.isdir(testpath):
|
|
testpath = testpath + '/test_*.toml'
|
|
elif os.path.isfile(testpath):
|
|
testpath = testpath
|
|
elif testpath.endswith('.toml'):
|
|
testpath = TESTDIR + '/' + testpath
|
|
else:
|
|
testpath = TESTDIR + '/' + testpath + '.toml'
|
|
|
|
# find tests
|
|
suites = []
|
|
for path in glob.glob(testpath):
|
|
if args.get('valgrind', False):
|
|
suites.append(TestSuite(path, TestCase=ValgrindTestCase, **args))
|
|
elif args.get('reentrant', False):
|
|
suites.append(TestSuite(path, TestCase=ReentrantTestCase, **args))
|
|
else:
|
|
suites.append(TestSuite(path, **args))
|
|
|
|
# sort for reproducability
|
|
suites = sorted(suites)
|
|
|
|
# generate permutations
|
|
defines = {}
|
|
for define in args['D']:
|
|
k, v, *_ = define.split('=', 2) + ['']
|
|
defines[k] = v
|
|
|
|
for suite in suites:
|
|
suite.permute(defines, **args)
|
|
|
|
# build tests in parallel
|
|
print('====== building ======')
|
|
makefiles = []
|
|
targets = []
|
|
for suite in suites:
|
|
makefile, target = suite.build(**args)
|
|
makefiles.append(makefile)
|
|
targets.append(target)
|
|
|
|
cmd = (['make', '-f', 'Makefile'] +
|
|
list(it.chain.from_iterable(['-f', m] for m in makefiles)) +
|
|
[target for target in targets])
|
|
stdout = []
|
|
if args.get('verbose', False):
|
|
print(' '.join(shlex.quote(c) for c in cmd))
|
|
proc = sp.Popen(cmd,
|
|
universal_newlines=True,
|
|
bufsize=1,
|
|
stdout=sp.PIPE,
|
|
stderr=sp.STDOUT)
|
|
for line in iter(proc.stdout.readline, ''):
|
|
stdout.append(line)
|
|
if args.get('verbose', False):
|
|
sys.stdout.write(line)
|
|
# intercept warnings
|
|
m = re.match(
|
|
'^{0}([^:]+):(\d+):(?:\d+:)?{0}{1}:{0}(.*)$'
|
|
.format('(?:\033\[[\d;]*.| )*', 'warning'),
|
|
line)
|
|
if m and not args.get('verbose', False):
|
|
try:
|
|
with open(m.group(1)) as f:
|
|
lineno = int(m.group(2))
|
|
line = next(it.islice(f, lineno-1, None)).strip('\n')
|
|
sys.stdout.write(
|
|
"\033[01m{path}:{lineno}:\033[01;35mwarning:\033[m "
|
|
"{message}\n{line}\n\n".format(
|
|
path=m.group(1), line=line, lineno=lineno,
|
|
message=m.group(3)))
|
|
except:
|
|
pass
|
|
proc.wait()
|
|
|
|
if proc.returncode != 0:
|
|
if not args.get('verbose', False):
|
|
for line in stdout:
|
|
sys.stdout.write(line)
|
|
sys.exit(-3)
|
|
|
|
print('built %d test suites, %d test cases, %d permutations' % (
|
|
len(suites),
|
|
sum(len(suite.cases) for suite in suites),
|
|
sum(len(suite.perms) for suite in suites)))
|
|
|
|
filtered = 0
|
|
for suite in suites:
|
|
for perm in suite.perms:
|
|
filtered += perm.shouldtest(**args)
|
|
if filtered != sum(len(suite.perms) for suite in suites):
|
|
print('filtered down to %d permutations' % filtered)
|
|
|
|
print('====== testing ======')
|
|
try:
|
|
for suite in suites:
|
|
suite.test(caseno, permno, **args)
|
|
except TestFailure:
|
|
pass
|
|
|
|
print('====== results ======')
|
|
passed = 0
|
|
failed = 0
|
|
for suite in suites:
|
|
for perm in suite.perms:
|
|
if not hasattr(perm, 'result'):
|
|
continue
|
|
|
|
if perm.result == PASS:
|
|
passed += 1
|
|
else:
|
|
#sys.stdout.write("--- %s ---\n" % perm)
|
|
sys.stdout.write(
|
|
"\033[01m{path}:{lineno}:\033[01;31mfailure:\033[m "
|
|
"{perm} failed with {returncode}\n".format(
|
|
perm=perm, path=perm.suite.path, lineno=perm.lineno-2,
|
|
returncode=perm.result.returncode or 0))
|
|
if perm.result.stdout:
|
|
for line in (perm.result.stdout
|
|
if not perm.result.assert_
|
|
else perm.result.stdout[:-1]):
|
|
sys.stdout.write(line)
|
|
if perm.result.assert_:
|
|
sys.stdout.write(
|
|
"\033[01m{path}:{lineno}:\033[01;31massert:\033[m "
|
|
"{message}\n{line}\n".format(
|
|
**perm.result.assert_))
|
|
else:
|
|
for line in perm.result.stdout:
|
|
sys.stdout.write(line)
|
|
sys.stdout.write('\n')
|
|
failed += 1
|
|
|
|
if args.get('gdb', False):
|
|
failure = None
|
|
for suite in suites:
|
|
for perm in suite.perms:
|
|
if getattr(perm, 'result', PASS) != PASS:
|
|
failure = perm.result
|
|
if failure is not None:
|
|
print('======= gdb ======')
|
|
# drop into gdb
|
|
failure.case.test(failure=failure, **args)
|
|
sys.exit(0)
|
|
|
|
|
|
print('tests passed: %d' % passed)
|
|
print('tests failed: %d' % failed)
|
|
|
|
if __name__ == "__main__":
|
|
import argparse
|
|
parser = argparse.ArgumentParser(
|
|
description="Run parameterized tests in various configurations.")
|
|
parser.add_argument('testpath', nargs='?', default=TESTDIR,
|
|
help="Description of test(s) to run. By default, this is all tests \
|
|
found in the \"{0}\" directory. Here, you can specify a different \
|
|
directory of tests, a specific file, a suite by name, and even a \
|
|
specific test case by adding brackets. For example \
|
|
\"test_dirs[0]\" or \"{0}/test_dirs.toml[0]\".".format(TESTDIR))
|
|
parser.add_argument('-D', action='append', default=[],
|
|
help="Overriding parameter definitions.")
|
|
parser.add_argument('-v', '--verbose', action='store_true',
|
|
help="Output everything that is happening.")
|
|
parser.add_argument('-k', '--keep-going', action='store_true',
|
|
help="Run all tests instead of stopping on first error. Useful for CI.")
|
|
parser.add_argument('-p', '--persist', choices=['erase', 'noerase'],
|
|
nargs='?', const='erase',
|
|
help="Store disk image in a file.")
|
|
parser.add_argument('-g', '--gdb', choices=['init', 'start', 'assert'],
|
|
nargs='?', const='assert',
|
|
help="Drop into gdb on test failure.")
|
|
parser.add_argument('--valgrind', action='store_true',
|
|
help="Run non-leaky tests under valgrind to check for memory leaks.")
|
|
parser.add_argument('--reentrant', action='store_true',
|
|
help="Run reentrant tests with simulated power-loss.")
|
|
parser.add_argument('-e', '--exec', default=[], type=lambda e: e.split(' '),
|
|
help="Run tests with another executable prefixed on the command line.")
|
|
main(**vars(parser.parse_args()))
|