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Reworked permutation generation in test framework and cleanup

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- Reworked how permutations work
  - Now with global defines as well (apply to all code)
  - Also supports lists of different permutation sets
- Added better cleanup in tests and "make clean"
This commit is contained in:
Christopher Haster
2019-12-30 13:01:08 -06:00
parent f42e007709
commit ed8341ec4c
2 changed files with 70 additions and 40 deletions
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1
Makefile
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@@ -90,3 +90,4 @@ clean:
rm -f $(OBJ)
rm -f $(DEP)
rm -f $(ASM)
rm -f tests_/test_*.toml.*

101
scripts/test_.py
View File

@@ -1,10 +1,8 @@
#!/usr/bin/env python3
# TODO
# -v --verbose
# --color
# --gdb
# --reentrant
# This script manages littlefs tests, which are configured with
# .toml files stored in the tests directory.
#
import toml
import glob
@@ -17,6 +15,7 @@ import subprocess as sp
import base64
import sys
import copy
import shutil
TEST_DIR = 'tests_'
@@ -118,21 +117,18 @@ class TestCase:
def build(self, f, **_):
# prologue
f.write('void test_case%d(' % self.caseno)
defines = self.perms[0].defines
first = True
for k, v in sorted(defines.items()):
if not all(perm.defines[k] == v for perm in self.perms):
for k, v in sorted(self.perms[0].defines.items()):
if k not in self.defines:
if not first:
f.write(',')
else:
first = False
f.write('\n')
f.write(8*' '+'int %s' % k)
f.write(8*' '+'__attribute__((unused)) intmax_t %s' % k)
f.write(') {\n')
defines = self.perms[0].defines
for k, v in sorted(defines.items()):
if all(perm.defines[k] == v for perm in self.perms):
for k, v in sorted(self.defines.items()):
f.write(4*' '+'#define %s %s\n' % (k, v))
f.write(PROLOGUE)
@@ -147,14 +143,16 @@ class TestCase:
f.write(EPILOGUE)
f.write('\n')
defines = self.perms[0].defines
for k, v in sorted(defines.items()):
if all(perm.defines[k] == v for perm in self.perms):
for k, v in sorted(self.defines.items()):
f.write(4*' '+'#undef %s\n' % k)
f.write('}\n')
def test(self, **args):
# clear disk first
shutil.rmtree('blocks')
# build command
cmd = ['./%s.test' % self.suite.path,
repr(self.caseno), repr(self.permno)]
@@ -242,26 +240,31 @@ class TestSuite:
def permute(self, defines={}, **args):
for case in self.cases:
# lets find all parameterized definitions, in one of
# - args.D (defines)
# - suite.defines
# - case.defines
# - DEFINES
initial = {}
for define in it.chain(
defines.items(),
self.defines.items(),
case.defines.items(),
DEFINES.items()):
if define[0] not in initial:
# lets find all parameterized definitions, in one of [args.D,
# suite.defines, case.defines, DEFINES]. Note that each of these
# can be either a dict of defines, or a list of dicts, expressing
# an initial set of permutations.
pending = [{}]
for inits in [defines, self.defines, case.defines, DEFINES]:
if not isinstance(inits, list):
inits = [inits]
npending = []
for init, pinit in it.product(inits, pending):
ninit = pinit.copy()
for k, v in init.items():
if k not in ninit:
try:
initial[define[0]] = eval(define[1])
ninit[k] = eval(v)
except:
initial[define[0]] = define[1]
ninit[k] = v
npending.append(ninit)
pending = npending
# expand permutations
pending = list(reversed(pending))
expanded = []
pending = [initial]
while pending:
perm = pending.pop()
for k, v in sorted(perm.items()):
@@ -274,11 +277,27 @@ class TestSuite:
else:
expanded.append(perm)
# generate permutations
case.perms = []
for i, defines in enumerate(expanded):
case.perms.append(case.permute(defines, permno=i, **args))
for i, perm in enumerate(expanded):
case.perms.append(case.permute(perm, permno=i, **args))
# also track non-unique defines
case.defines = {}
for k, v in case.perms[0].defines.items():
if all(perm.defines[k] == v for perm in case.perms):
case.defines[k] = v
# track all perms and non-unique defines
self.perms = []
for case in self.cases:
self.perms.extend(case.perms)
self.defines = {}
for k, v in self.perms[0].defines.items():
if all(perm.defines[k] == v for perm in self.perms):
self.defines[k] = v
self.perms = [perm for case in self.cases for perm in case.perms]
return self.perms
def build(self, **args):
@@ -301,7 +320,7 @@ class TestSuite:
f.write('test_case%d(' % perm.caseno)
first = True
for k, v in sorted(perm.defines.items()):
if not all(perm.defines[k] == v for perm in perm.case.perms):
if k not in perm.case.defines:
if not first:
f.write(', ')
else:
@@ -311,13 +330,18 @@ class TestSuite:
f.write('}\n')
# add test-related rules
rules = RULES
rules = rules.replace(' ', '\t')
rules = RULES.replace(4*' ', '\t')
with open(self.path + '.test.mk', 'w') as mk:
mk.write(rules)
mk.write('\n')
# add truely global defines globally
for k, v in sorted(self.defines.items()):
mk.write('%s: override CFLAGS += -D%s=%r\n' % (
self.path+'.test', k, v))
# write test.c in base64 so make can decide when to rebuild
mk.write('%s: %s\n' % (self.path+'.test.t.c', self.path))
mk.write('\tbase64 -d <<< ')
mk.write(base64.b64encode(
@@ -484,8 +508,13 @@ if __name__ == "__main__":
help="Overriding parameter definitions.")
parser.add_argument('-v', '--verbose', action='store_true',
help="Output everything that is happening.")
parser.add_argument('-t', '--trace', action='store_true',
help="Normally trace output is captured for internal usage, this \
enables forwarding trace output which is usually too verbose to \
be useful.")
parser.add_argument('-k', '--keep-going', action='store_true',
help="Run all tests instead of stopping on first error. Useful for CI.")
# TODO
# parser.add_argument('--gdb', action='store_true',
# help="Run tests under gdb. Useful for debugging failures.")
parser.add_argument('--valgrind', action='store_true',