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|
import os
import platform
import sys
import time
import unittest
import libkcov
from libkcov import cobertura
class illegal_insn(libkcov.TestCase):
@unittest.skipIf(sys.platform.startswith("darwin"), "Not for OSX")
@unittest.skipUnless(platform.machine() in ["x86_64", "i686", "i386"], "Only for x86")
def runTest(self):
rv, output = self.do(
self.kcov + " " + self.outbase + "/kcov " + self.binaries + "/illegal-insn",
False,
)
assert rv != 0
assert b"Illegal instructions are" in output
class fork_no_wait(libkcov.TestCase):
@unittest.skipIf(sys.platform.startswith("darwin"), "Not for OSX")
def runTest(self):
noKcovRv, o = self.doCmd(self.binaries + "/fork_no_wait")
rv, o = self.do(
self.kcov + " " + self.outbase + "/kcov " + self.binaries + "/fork_no_wait",
False,
)
assert rv == noKcovRv
dom = cobertura.parseFile(self.outbase + "/kcov/fork_no_wait/cobertura.xml")
assert cobertura.hitsPerLine(dom, "fork-no-wait.c", 20) >= 1
assert cobertura.hitsPerLine(dom, "fork-no-wait.c", 22) >= 1
assert cobertura.hitsPerLine(dom, "fork-no-wait.c", 24) >= 1
class ForkBase(libkcov.TestCase):
def doTest(self, binary):
noKcovRv, o = self.doCmd(self.binaries + "/" + binary)
rv, o = self.do(
self.kcov + " " + self.outbase + "/kcov " + self.binaries + "/" + binary,
False,
)
assert rv == noKcovRv
dom = cobertura.parseFile(self.outbase + "/kcov/" + binary + "/cobertura.xml")
assert cobertura.hitsPerLine(dom, "fork.c", 21) == 0
assert cobertura.hitsPerLine(dom, "fork.c", 26) >= 1
assert cobertura.hitsPerLine(dom, "fork.c", 34) >= 1
assert cobertura.hitsPerLine(dom, "fork.c", 37) >= 1
assert cobertura.hitsPerLine(dom, "fork.c", 46) >= 1
class fork_64(ForkBase):
@unittest.skipIf(sys.platform.startswith("darwin"), "Not for OSX")
def runTest(self):
self.doTest("fork")
class vfork(libkcov.TestCase):
@unittest.skipIf(
sys.platform.startswith("darwin"),
"Not for OSX (does not work with the mach-engine for now)",
)
def runTest(self):
rv, o = self.do(self.kcov + " " + self.outbase + "/kcov " + self.binaries + "/vfork", False)
assert rv == 0
dom = cobertura.parseFile(self.outbase + "/kcov/vfork/cobertura.xml")
assert cobertura.hitsPerLine(dom, "vfork.c", 12) >= 1
assert cobertura.hitsPerLine(dom, "vfork.c", 18) >= 1
class popen_test(libkcov.TestCase):
@unittest.skipUnless(platform.machine() in ["x86_64", "i686", "i386"], "Only for x86")
def runTest(self):
noKcovRv, o = self.doCmd(self.binaries + "/test_popen")
rv, o = self.do(
self.kcov + " " + self.outbase + "/kcov " + self.binaries + "/test_popen",
False,
)
assert rv == noKcovRv
assert b"popen OK" in o
class short_filename(libkcov.TestCase):
@unittest.expectedFailure
def runTest(self):
rv, o = self.do(self.kcov + " " + self.outbase + "/kcov ./s", False)
assert rv == 99
class pie(libkcov.TestCase):
def runTest(self):
noKcovRv, o = self.doCmd(self.binaries + "/pie")
rv, o = self.do(self.kcov + " " + self.outbase + "/kcov " + self.binaries + "/pie", False)
assert rv == noKcovRv
dom = cobertura.parseFile(self.outbase + "/kcov/pie/cobertura.xml")
assert cobertura.hitsPerLine(dom, "pie.c", 5) == 1
class pie_argv_basic(libkcov.TestCase):
def runTest(self):
rv, o = self.do(
self.kcov + " " + self.outbase + "/kcov " + self.binaries + "/pie-test",
False,
)
assert rv == 0
dom = cobertura.parseFile(self.outbase + "/kcov/pie-test/cobertura.xml")
assert cobertura.hitsPerLine(dom, "argv-dependent.c", 5) == 1
assert cobertura.hitsPerLine(dom, "argv-dependent.c", 11) == 0
class pie_accumulate(libkcov.TestCase):
@unittest.skipIf(
sys.platform.startswith("darwin"),
"Not for OSX (does not work with the mach-engine for now)",
)
def runTest(self):
rv, o = self.do(
self.kcov + " " + self.outbase + "/kcov " + self.binaries + "/pie-test",
False,
)
assert rv == 0
dom = cobertura.parseFile(self.outbase + "/kcov/pie-test/cobertura.xml")
assert cobertura.hitsPerLine(dom, "argv-dependent.c", 5) == 1
assert cobertura.hitsPerLine(dom, "argv-dependent.c", 11) == 0
rv, o = self.do(
self.kcov + " " + self.outbase + "/kcov " + self.binaries + "/pie-test a",
False,
)
assert rv == 0
dom = cobertura.parseFile(self.outbase + "/kcov/pie-test/cobertura.xml")
assert cobertura.hitsPerLine(dom, "argv-dependent.c", 5) == 1
assert cobertura.hitsPerLine(dom, "argv-dependent.c", 11) == 1
class daemon_wait_for_last_child(libkcov.TestCase):
@unittest.skipIf(sys.platform.startswith("darwin"), "Not for OSX, Issue #158")
@unittest.skipUnless(platform.machine() in ["x86_64", "i686", "i386"], "Only for x86")
def runTest(self):
noKcovRv, o = self.doCmd(self.binaries + "/test_daemon")
rv, o = self.do(
self.kcov + " " + self.outbase + "/kcov " + self.binaries + "/test_daemon",
False,
)
assert rv == 4
assert noKcovRv == 2
dom = cobertura.parseFile(self.outbase + "/kcov/test_daemon/cobertura.xml")
assert cobertura.hitsPerLine(dom, "test-daemon.cc", 31) == 1
class SignalsBase(libkcov.TestCase):
def cmpOne(self, sig):
noKcovRv, o = self.doCmd(self.binaries + "/signals " + sig + " " + self.m_self)
rv, o = self.do(
self.kcov
+ " "
+ self.outbase
+ "/kcov "
+ self.binaries
+ "/signals "
+ sig
+ " "
+ self.m_self,
False,
)
assert rv == noKcovRv
return cobertura.parseFile(self.outbase + "/kcov/signals/cobertura.xml")
def doTest(self):
dom = self.cmpOne("hup")
assert cobertura.hitsPerLine(dom, "test-signals.c", 14) == 1
dom = self.cmpOne("int")
assert cobertura.hitsPerLine(dom, "test-signals.c", 19) == 1
dom = self.cmpOne("quit")
assert cobertura.hitsPerLine(dom, "test-signals.c", 24) == 1
dom = self.cmpOne("bus")
assert cobertura.hitsPerLine(dom, "test-signals.c", 44) == 1
dom = self.cmpOne("fpe")
assert cobertura.hitsPerLine(dom, "test-signals.c", 49) == 1
dom = self.cmpOne("term")
assert cobertura.hitsPerLine(dom, "test-signals.c", 84) == 1
class signals(SignalsBase):
@unittest.skipIf(sys.platform.startswith("darwin"), "Not for OSX, Issue #158")
def runTest(self):
self.m_self = ""
self.doTest()
class signals_self(SignalsBase):
def runTest(self):
self.m_self = "self"
self.doTest()
class signals_crash(libkcov.TestCase):
@unittest.skipIf(sys.platform.startswith("darwin"), "Not for OSX (macho-parser for now)")
def runTest(self):
rv, o = self.do(
self.kcov + " " + self.outbase + "/kcov " + self.binaries + "/signals segv self",
False,
)
assert b"kcov: Process exited with signal 11" in o
rv, o = self.do(
self.kcov + " " + self.outbase + "/kcov " + self.binaries + "/signals abrt self",
False,
)
assert b"kcov: Process exited with signal 6" in o
class collect_and_report_only(libkcov.TestCase):
# Cannot work with combined Engine / Parser
@unittest.skipIf(sys.platform.startswith("darwin"), "Not for OSX")
def runTest(self):
noKcovRv, o = self.doCmd(self.binaries + "/main-tests ")
rv, o = self.do(
self.kcov
+ " --collect-only "
+ self.outbase
+ "/kcov "
+ self.binaries
+ "/main-tests",
False,
)
self.skipTest("Fickle test, ignoring")
assert rv == noKcovRv
try:
dom = cobertura.parseFile(self.outbase + "/kcov/main-tests/cobertura.xml")
self.fail("File unexpectedly found")
except Exception:
# Exception is expected here
pass
rv, o = self.do(
self.kcov + " --report-only " + self.outbase + "/kcov " + self.binaries + "/main-tests",
False,
)
dom = cobertura.parseFile(self.outbase + "/kcov/main-tests/cobertura.xml")
assert cobertura.hitsPerLine(dom, "main.cc", 9) == 1
class setpgid_kill(libkcov.TestCase):
def runTest(self):
noKcovRv, o = self.doCmd(
self.sources + "/tests/setpgid-kill/test-script.sh " + self.binaries + "/setpgid-kill"
)
assert b"SUCCESS" in o
rv, o = self.do(
self.sources
+ "/tests/setpgid-kill/test-script.sh "
+ self.kcov
+ " "
+ self.outbase
+ "/kcov "
+ self.binaries
+ "/setpgid-kill",
False,
)
assert b"SUCCESS" in o
class attach_process_with_threads(libkcov.TestCase):
@unittest.skipIf(sys.platform.startswith("darwin"), "Not for OSX")
def runTest(self):
rv, o = self.do(
self.sources
+ "/tests/daemon/test-script.sh "
+ self.kcov
+ " "
+ self.outbase
+ "/kcov "
+ self.binaries
+ "/issue31",
False,
# 60 seconds
timeout=60
)
dom = cobertura.parseFile(self.outbase + "/kcov/issue31/cobertura.xml")
self.skipTest("Fickle test, ignoring")
assert cobertura.hitsPerLine(dom, "test-issue31.cc", 28) >= 1
assert cobertura.hitsPerLine(dom, "test-issue31.cc", 11) >= 1
assert cobertura.hitsPerLine(dom, "test-issue31.cc", 9) == 0
class attach_process_with_threads_creates_threads(libkcov.TestCase):
@unittest.skipIf(sys.platform.startswith("darwin"), "Not for OSX")
def runTest(self):
rv, o = self.do(
self.sources
+ "/tests/daemon/test-script.sh "
+ self.kcov
+ " "
+ self.outbase
+ "/kcov "
+ self.binaries
+ "/thread-test",
False,
# 60 seconds
timeout=60
)
dom = cobertura.parseFile(self.outbase + "/kcov/thread-test/cobertura.xml")
self.skipTest("Fickle test, ignoring")
assert cobertura.hitsPerLine(dom, "thread-main.c", 21) >= 1
assert cobertura.hitsPerLine(dom, "thread-main.c", 9) >= 1
class merge_same_file_in_multiple_binaries(libkcov.TestCase):
def runTest(self):
rv, o = self.do(
self.kcov + " " + self.outbase + "/kcov " + self.binaries + "/multi_1",
False,
)
dom = cobertura.parseFile(self.outbase + "/kcov/multi_1/cobertura.xml")
assert cobertura.hitsPerLine(dom, "main_1.c", 10) == 0
assert cobertura.hitsPerLine(dom, "file.c", 3) == 0
rv, o = self.do(
self.kcov + " " + self.outbase + "/kcov " + self.binaries + "/multi_2",
False,
)
dom = cobertura.parseFile(self.outbase + "/kcov/kcov-merged/cobertura.xml")
assert cobertura.hitsPerLine(dom, "main_2.c", 9) == 1
assert cobertura.hitsPerLine(dom, "file.c", 3) == 0
assert cobertura.hitsPerLine(dom, "file.c", 8) == 0
rv, o = self.do(
self.kcov + " " + self.outbase + "/kcov " + self.binaries + "/multi_2 1",
False,
)
dom = cobertura.parseFile(self.outbase + "/kcov/kcov-merged/cobertura.xml")
assert cobertura.hitsPerLine(dom, "file.c", 3) == 0
assert cobertura.hitsPerLine(dom, "file.c", 8) == 1
class debuglink(libkcov.TestCase):
@unittest.skipIf(sys.platform.startswith("darwin"), "Not for OSX")
def runTest(self):
os.system(f"rm -rf {(self.outbase)}/.debug")
os.system(f"cp {self.binaries}/main-tests {self.binaries}/main-tests-debug-file")
os.system(
f"objcopy --only-keep-debug {self.binaries}/main-tests-debug-file {self.binaries}/main-tests-debug-file.debug"
)
os.system(
f"cp {self.binaries}/main-tests-debug-file.debug {self.binaries}/main-tests-debug-file1.debug"
)
os.system(
f"cp {self.binaries}/main-tests-debug-file.debug {self.binaries}/main-tests-debug-file12.debug"
)
os.system(
f"cp {self.binaries}/main-tests-debug-file.debug {self.binaries}/main-tests-debug-file123.debug"
)
os.system(
f"cp {self.binaries}/main-tests-debug-file {self.binaries}/main-tests-debug-file1"
)
os.system(
f"cp {self.binaries}/main-tests-debug-file {self.binaries}/main-tests-debug-file2"
)
os.system(
f"cp {self.binaries}/main-tests-debug-file {self.binaries}/main-tests-debug-file3"
)
os.system(f"strip -g {(self.binaries)}/main-tests-debug-file")
os.system(f"strip -g {(self.binaries)}/main-tests-debug-file1")
os.system(f"strip -g {(self.binaries)}/main-tests-debug-file2")
os.system(f"strip -g {(self.binaries)}/main-tests-debug-file3")
os.system(
f"objcopy --add-gnu-debuglink={self.binaries}/main-tests-debug-file.debug {self.binaries}/main-tests-debug-file"
)
os.system(
f"objcopy --add-gnu-debuglink={self.binaries}/main-tests-debug-file1.debug {self.binaries}/main-tests-debug-file1"
)
os.system(
f"objcopy --add-gnu-debuglink={self.binaries}/main-tests-debug-file12.debug {self.binaries}/main-tests-debug-file2"
)
os.system(
f"objcopy --add-gnu-debuglink={self.binaries}/main-tests-debug-file123.debug {self.binaries}/main-tests-debug-file3"
)
noKcovRv, o = self.doCmd(self.binaries + "/main-tests-debug-file")
rv, o = self.do(
self.kcov + " " + self.outbase + "/kcov " + self.binaries + "/main-tests-debug-file",
False,
)
assert rv == noKcovRv
dom = cobertura.parseFile(self.outbase + "/kcov/main-tests-debug-file/cobertura.xml")
assert cobertura.hitsPerLine(dom, "main.cc", 9) == 1
# Check alignment
rv, o = self.do(
self.kcov + " " + self.outbase + "/kcov " + self.binaries + "/main-tests-debug-file1",
False,
)
dom = cobertura.parseFile(self.outbase + "/kcov/main-tests-debug-file1/cobertura.xml")
assert cobertura.hitsPerLine(dom, "main.cc", 9) == 1
rv, o = self.do(
self.kcov + " " + self.outbase + "/kcov " + self.binaries + "/main-tests-debug-file2",
False,
)
dom = cobertura.parseFile(self.outbase + "/kcov/main-tests-debug-file2/cobertura.xml")
assert cobertura.hitsPerLine(dom, "main.cc", 9) == 1
rv, o = self.do(
self.kcov + " " + self.outbase + "/kcov " + self.binaries + "/main-tests-debug-file3",
False,
)
dom = cobertura.parseFile(self.outbase + "/kcov/main-tests-debug-file3/cobertura.xml")
assert cobertura.hitsPerLine(dom, "main.cc", 9) == 1
# Look in .debug
os.system(f"rm -rf {(self.outbase)}/kcov")
os.system(f"mkdir -p {(self.binaries)}/.debug")
os.system(f"mv {self.binaries}/main-tests-debug-file.debug {self.binaries}/.debug")
rv, o = self.do(
self.kcov + " " + self.outbase + "/kcov " + self.binaries + "/main-tests-debug-file",
False,
)
dom = cobertura.parseFile(self.outbase + "/kcov/main-tests-debug-file/cobertura.xml")
assert cobertura.hitsPerLine(dom, "main.cc", 9) == 1
os.system(f"rm -rf {(self.outbase)}/kcov")
os.system(f"echo 'abc' >> {(self.binaries)}/.debug/main-tests-debug-file.debug")
rv, o = self.do(
self.kcov + " " + self.outbase + "/kcov " + self.binaries + "/main-tests-debug-file",
False,
)
dom = cobertura.parseFile(self.outbase + "/kcov/main-tests-debug-file/cobertura.xml")
assert cobertura.hitsPerLine(dom, "main.cc", 9) is None
# Todo: Look in /usr/lib/debug as well
class collect_no_source(libkcov.TestCase):
@unittest.expectedFailure
def runTest(self):
os.system(f"cp {self.sources}/tests/short-file.c {self.binaries}/main.cc")
os.system(f"gcc -g -o {self.binaries}/main-collect-only {self.binaries}/main.cc")
os.system(f"mv {self.binaries}/main.cc {self.binaries}/tmp-main.cc")
rv, o = self.do(
self.kcov
+ " --collect-only "
+ self.outbase
+ "/kcov "
+ self.binaries
+ "/main-collect-only",
False,
)
os.system(f"mv {self.binaries}/tmp-main.cc {self.binaries}/main.cc")
rv, o = self.do(
self.kcov
+ " --report-only "
+ self.outbase
+ "/kcov "
+ self.binaries
+ "/main-collect-only"
)
dom = cobertura.parseFile(self.outbase + "/kcov/main-collect-only/cobertura.xml")
assert cobertura.hitsPerLine(dom, "main.cc", 1) == 1
class dlopen(libkcov.TestCase):
@unittest.expectedFailure
def runTest(self):
noKcovRv, o = self.doCmd(self.binaries + "/dlopen")
rv, o = self.do(
self.kcov + " " + self.outbase + "/kcov " + self.binaries + "/dlopen",
False,
)
assert noKcovRv == rv
dom = cobertura.parseFile(self.outbase + "/kcov/dlopen/cobertura.xml")
assert cobertura.hitsPerLine(dom, "dlopen.cc", 11) == 1
assert cobertura.hitsPerLine(dom, "dlopen.cc", 12) == 0
assert cobertura.hitsPerLine(dom, "solib.c", 5) == 1
assert cobertura.hitsPerLine(dom, "solib.c", 15) == 0
class dlopen_in_ignored_source_file(libkcov.TestCase):
@unittest.expectedFailure
def runTest(self):
rv, o = self.do(
self.kcov
+ " --exclude-pattern=dlopen.cc "
+ self.outbase
+ "/kcov "
+ self.binaries
+ "/dlopen",
False,
)
dom = cobertura.parseFile(self.outbase + "/kcov/dlopen/cobertura.xml")
assert cobertura.hitsPerLine(dom, "dlopen-main.cc", 10) == 1
assert cobertura.hitsPerLine(dom, "solib.c", 5) == 1
assert cobertura.hitsPerLine(dom, "solib.c", 15) == 0
class daemon_no_wait_for_last_child(libkcov.TestCase):
@unittest.skipIf(sys.platform.startswith("darwin"), "Not for OSX")
@unittest.expectedFailure
def runTest(self):
noKcovRv, o = self.doCmd(self.binaries + "/test_daemon")
rv, o = self.do(
self.kcov
+ " --output-interval=1 --exit-first-process "
+ self.outbase
+ "/kcov "
+ self.binaries
+ "/test_daemon",
False,
)
assert noKcovRv == rv
time.sleep(2)
dom = cobertura.parseFile(self.outbase + "/kcov/test_daemon/cobertura.xml")
assert cobertura.hitsPerLine(dom, "test-daemon.cc", 31) == 0
time.sleep(5)
dom = cobertura.parseFile(self.outbase + "/kcov/test_daemon/cobertura.xml")
assert cobertura.hitsPerLine(dom, "test-daemon.cc", 31) == 1
class address_sanitizer_coverage(libkcov.TestCase):
@unittest.skipIf(sys.platform.startswith("darwin"), "Not for OSX")
@unittest.expectedFailure
def runTest(self):
if not os.path.isfile(self.binaries + "/sanitizer-coverage"):
self.skipTest("Clang only")
rv, o = self.do(
self.kcov
+ " --clang "
+ self.outbase
+ "/kcov "
+ self.binaries
+ "/sanitizer-coverage",
False,
)
dom = cobertura.parseFile(self.outbase + "/kcov/sanitizer-coverage/cobertura.xml")
assert cobertura.hitsPerLine(dom, "sanitizer-coverage.c", 5) == 1
assert cobertura.hitsPerLine(dom, "sanitizer-coverage.c", 7) == 1
assert cobertura.hitsPerLine(dom, "sanitizer-coverage.c", 8) == 1
assert cobertura.hitsPerLine(dom, "sanitizer-coverage.c", 16) == 1
assert cobertura.hitsPerLine(dom, "sanitizer-coverage.c", 18) == 1
assert cobertura.hitsPerLine(dom, "sanitizer-coverage.c", 22) == 0
assert cobertura.hitsPerLine(dom, "sanitizer-coverage.c", 25) == 0
# Issue #414
class outdir_is_executable(libkcov.TestCase):
def runTest(self):
# Running a system executable on Linux may cause ptrace to fails with
# "Operation not permitted", even with ptrace_scope set to 0.
# See https://www.kernel.org/doc/Documentation/security/Yama.txt
executable = self.sources + "/tests/python/short-test.py"
rv, o = self.do(self.kcov + " echo " + executable)
assert rv == 0
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