16 print_log_names
= False
17 real_stdout
= sys
.stdout
19 # Note that gdb comes with its own testsuite. I was unable to figure out how to
20 # run that testsuite against the spike simulator.
23 for directory
in (os
.getcwd(), os
.path
.dirname(__file__
)):
24 fullpath
= os
.path
.join(directory
, path
)
25 relpath
= os
.path
.relpath(fullpath
)
26 if len(relpath
) >= len(fullpath
):
28 if os
.path
.exists(relpath
):
32 def compile(args
, xlen
=32): # pylint: disable=redefined-builtin
33 cc
= os
.path
.expandvars("$RISCV/bin/riscv64-unknown-elf-gcc")
36 cmd
.append("-march=rv32imac")
37 cmd
.append("-mabi=ilp32")
39 cmd
.append("-march=rv64imac")
40 cmd
.append("-mabi=lp64")
42 found
= find_file(arg
)
48 print "+", " ".join(cmd
)
49 process
= subprocess
.Popen(cmd
, stdout
=subprocess
.PIPE
,
50 stderr
=subprocess
.PIPE
)
51 stdout
, stderr
= process
.communicate()
52 if process
.returncode
:
56 raise Exception("Compile failed!")
59 def __init__(self
, target
, halted
=False, timeout
=None, with_jtag_gdb
=True,
60 isa
=None, progbufsize
=None):
61 """Launch spike. Return tuple of its process and the port it's running
65 self
.progbufsize
= progbufsize
72 cmd
= self
.command(target
, harts
, halted
, timeout
, with_jtag_gdb
)
73 self
.infinite_loop
= target
.compile(harts
[0],
74 "programs/checksum.c", "programs/tiny-malloc.c",
75 "programs/infinite_loop.S", "-DDEFINE_MALLOC", "-DDEFINE_FREE")
76 cmd
.append(self
.infinite_loop
)
77 self
.logfile
= tempfile
.NamedTemporaryFile(prefix
="spike-",
79 self
.logname
= self
.logfile
.name
81 real_stdout
.write("Temporary spike log: %s\n" % self
.logname
)
82 self
.logfile
.write("+ %s\n" % " ".join(cmd
))
84 self
.process
= subprocess
.Popen(cmd
, stdin
=subprocess
.PIPE
,
85 stdout
=self
.logfile
, stderr
=self
.logfile
)
90 m
= re
.search(r
"Listening for remote bitbang connection on "
91 r
"port (\d+).", open(self
.logname
).read())
93 self
.port
= int(m
.group(1))
94 os
.environ
['REMOTE_BITBANG_PORT'] = m
.group(1)
98 print_log(self
.logname
)
99 raise Exception("Didn't get spike message about bitbang "
102 def command(self
, target
, harts
, halted
, timeout
, with_jtag_gdb
):
103 # pylint: disable=no-self-use
105 cmd
= shlex
.split(target
.sim_cmd
)
107 spike
= os
.path
.expandvars("$RISCV/bin/spike")
110 cmd
+= ["-p%d" % len(harts
)]
112 assert len(set(t
.xlen
for t
in harts
)) == 1, \
113 "All spike harts must have the same XLEN"
118 isa
= "RV%dG" % harts
[0].xlen
120 cmd
+= ["--isa", isa
]
121 cmd
+= ["--debug-auth"]
123 if not self
.progbufsize
is None:
124 cmd
+= ["--progsize", str(self
.progbufsize
)]
125 cmd
+= ["--debug-sba", "32"]
127 assert len(set(t
.ram
for t
in harts
)) == 1, \
128 "All spike harts must have the same RAM layout"
129 assert len(set(t
.ram_size
for t
in harts
)) == 1, \
130 "All spike harts must have the same RAM layout"
131 cmd
+= ["-m0x%x:0x%x" % (harts
[0].ram
, harts
[0].ram_size
)]
134 cmd
= ["timeout", str(timeout
)] + cmd
139 cmd
+= ['--rbb-port', '0']
140 os
.environ
['REMOTE_BITBANG_HOST'] = 'localhost'
152 def wait(self
, *args
, **kwargs
):
153 return self
.process
.wait(*args
, **kwargs
)
155 class VcsSim(object):
156 logfile
= tempfile
.NamedTemporaryFile(prefix
='simv', suffix
='.log')
157 logname
= logfile
.name
159 def __init__(self
, sim_cmd
=None, debug
=False, timeout
=300):
161 cmd
= shlex
.split(sim_cmd
)
164 cmd
+= ["+jtag_vpi_enable"]
166 cmd
[0] = cmd
[0] + "-debug"
167 cmd
+= ["+vcdplusfile=output/gdbserver.vpd"]
169 logfile
= open(self
.logname
, "w")
171 real_stdout
.write("Temporary VCS log: %s\n" % self
.logname
)
172 logfile
.write("+ %s\n" % " ".join(cmd
))
175 listenfile
= open(self
.logname
, "r")
176 listenfile
.seek(0, 2)
177 self
.process
= subprocess
.Popen(cmd
, stdin
=subprocess
.PIPE
,
178 stdout
=logfile
, stderr
=logfile
)
182 # Fail if VCS exits early
183 exit_code
= self
.process
.poll()
184 if exit_code
is not None:
185 raise RuntimeError('VCS simulator exited early with status %d'
188 line
= listenfile
.readline()
191 match
= re
.match(r
"^Listening on port (\d+)$", line
)
194 self
.port
= int(match
.group(1))
195 os
.environ
['JTAG_VPI_PORT'] = str(self
.port
)
197 if (time
.time() - start
) > timeout
:
198 raise Exception("Timed out waiting for VCS to listen for JTAG "
208 class Openocd(object):
209 logfile
= tempfile
.NamedTemporaryFile(prefix
='openocd', suffix
='.log')
210 logname
= logfile
.name
212 def __init__(self
, server_cmd
=None, config
=None, debug
=False, timeout
=60):
213 self
.timeout
= timeout
216 cmd
= shlex
.split(server_cmd
)
218 openocd
= os
.path
.expandvars("$RISCV/bin/openocd")
223 # This command needs to come before any config scripts on the command
224 # line, since they are executed in order.
226 # Tell OpenOCD to bind gdb to an unused, ephemeral port.
229 # Disable tcl and telnet servers, since they are unused and because
230 # the port numbers will conflict if multiple OpenOCD processes are
231 # running on the same server.
235 "telnet_port disabled",
239 f
= find_file(config
)
241 print "Unable to read file " + config
248 logfile
= open(Openocd
.logname
, "w")
250 real_stdout
.write("Temporary OpenOCD log: %s\n" % Openocd
.logname
)
251 env_entries
= ("REMOTE_BITBANG_HOST", "REMOTE_BITBANG_PORT")
252 env_entries
= [key
for key
in env_entries
if key
in os
.environ
]
253 logfile
.write("+ %s%s\n" % (
254 "".join("%s=%s " % (key
, os
.environ
[key
]) for key
in env_entries
),
255 " ".join(map(pipes
.quote
, cmd
))))
259 self
.process
= self
.start(cmd
, logfile
)
261 def start(self
, cmd
, logfile
):
262 process
= subprocess
.Popen(cmd
, stdin
=subprocess
.PIPE
,
263 stdout
=logfile
, stderr
=logfile
)
266 # Wait for OpenOCD to have made it through riscv_examine(). When
267 # using OpenOCD to communicate with a simulator this may take a
268 # long time, and gdb will time out when trying to connect if we
272 fd
= open(Openocd
.logname
, "r")
276 if not process
.poll() is None:
277 raise Exception("OpenOCD exited early.")
281 m
= re
.search(r
"Listening on port (\d+) for gdb connections",
284 self
.gdb_ports
.append(int(m
.group(1)))
286 if "telnet server disabled" in line
:
289 if not messaged
and time
.time() - start
> 1:
291 print "Waiting for OpenOCD to start..."
292 if (time
.time() - start
) > self
.timeout
:
293 raise Exception("Timed out waiting for OpenOCD to "
297 print_log(Openocd
.logname
)
302 self
.process
.terminate()
304 while time
.time() < start
+ 10000:
305 if self
.process
.poll():
310 except (OSError, AttributeError):
313 class OpenocdCli(object):
314 def __init__(self
, port
=4444):
315 self
.child
= pexpect
.spawn(
316 "sh -c 'telnet localhost %d | tee openocd-cli.log'" % port
)
317 self
.child
.expect("> ")
319 def command(self
, cmd
):
320 self
.child
.sendline(cmd
)
321 self
.child
.expect(cmd
)
322 self
.child
.expect("\n")
323 self
.child
.expect("> ")
324 return self
.child
.before
.strip("\t\r\n \0")
326 def reg(self
, reg
=''):
327 output
= self
.command("reg %s" % reg
)
328 matches
= re
.findall(r
"(\w+) \(/\d+\): (0x[0-9A-F]+)", output
)
329 values
= {r
: int(v
, 0) for r
, v
in matches
}
334 def load_image(self
, image
):
335 output
= self
.command("load_image %s" % image
)
336 if 'invalid ELF file, only 32bits files are supported' in output
:
337 raise TestNotApplicable(output
)
339 class CannotAccess(Exception):
340 def __init__(self
, address
):
341 Exception.__init
__(self
)
342 self
.address
= address
344 class CouldNotFetch(Exception):
345 def __init__(self
, regname
, explanation
):
346 Exception.__init
__(self
)
347 self
.regname
= regname
348 self
.explanation
= explanation
350 Thread
= collections
.namedtuple('Thread', ('id', 'description', 'target_id',
354 """A single gdb class which can interact with one or more gdb instances."""
356 # pylint: disable=too-many-public-methods
357 # pylint: disable=too-many-instance-attributes
359 def __init__(self
, ports
,
360 cmd
=os
.path
.expandvars("$RISCV/bin/riscv64-unknown-elf-gdb"),
361 timeout
=60, binary
=None):
366 self
.timeout
= timeout
375 logfile
= tempfile
.NamedTemporaryFile(prefix
="gdb@%d-" % port
,
377 self
.logfiles
.append(logfile
)
379 real_stdout
.write("Temporary gdb log: %s\n" % logfile
.name
)
380 child
= pexpect
.spawn(cmd
)
381 child
.logfile
= logfile
382 child
.logfile
.write("+ %s\n" % cmd
)
383 self
.children
.append(child
)
384 self
.active_child
= self
.children
[0]
387 for port
, child
in zip(self
.ports
, self
.children
):
388 self
.select_child(child
)
390 self
.command("set confirm off")
391 self
.command("set width 0")
392 self
.command("set height 0")
394 self
.command("set print entry-values no")
395 self
.command("set remotetimeout %d" % self
.timeout
)
396 self
.command("target extended-remote localhost:%d" % port
)
398 self
.command("file %s" % self
.binary
)
399 threads
= self
.threads()
403 m
= re
.search(r
"Hart (\d+)", t
.name
)
405 hartid
= int(m
.group(1))
408 hartid
= max(self
.harts
) + 1
411 # solo: True iff this is the only thread on this child
412 self
.harts
[hartid
] = {'child': child
,
414 'solo': len(threads
) == 1}
417 for child
in self
.children
:
420 def one_hart_per_gdb(self
):
421 return all(h
['solo'] for h
in self
.harts
.itervalues())
424 return [logfile
.name
for logfile
in self
.logfiles
]
426 def select_child(self
, child
):
427 self
.active_child
= child
429 def select_hart(self
, hart
):
430 h
= self
.harts
[hart
.id]
431 self
.select_child(h
['child'])
433 output
= self
.command("thread %s" % h
['thread'].id, ops
=5)
434 assert "Unknown" not in output
436 def push_state(self
):
438 'active_child': self
.active_child
442 state
= self
.stack
.pop()
443 self
.active_child
= state
['active_child']
446 """Wait for prompt."""
447 self
.active_child
.expect(r
"\(gdb\)")
449 def command(self
, command
, ops
=1):
450 """ops is the estimated number of operations gdb will have to perform
451 to perform this command. It is used to compute a timeout based on
453 timeout
= ops
* self
.timeout
454 self
.active_child
.sendline(command
)
455 self
.active_child
.expect("\n", timeout
=timeout
)
456 self
.active_child
.expect(r
"\(gdb\)", timeout
=timeout
)
457 return self
.active_child
.before
.strip()
459 def global_command(self
, command
):
460 """Execute this command on every gdb that we control."""
461 with
PrivateState(self
):
462 for child
in self
.children
:
463 self
.select_child(child
)
464 self
.command(command
)
466 def c(self
, wait
=True, async=False):
469 In RTOS mode, gdb will resume all harts.
470 In multi-gdb mode, this command will just go to the current gdb, so
471 will only resume one hart.
479 output
= self
.command("c%s" % async, ops
=ops
)
480 assert "Continuing" in output
483 self
.active_child
.sendline("c%s" % async)
484 self
.active_child
.expect("Continuing", timeout
=ops
* self
.timeout
)
486 def c_all(self
, wait
=True):
490 This function works fine when using multiple gdb sessions, but the
491 caller must be careful when using it nonetheless. gdb's behavior is to
492 not set breakpoints until just before the hart is resumed, and then
493 clears them as soon as the hart halts. That means that you can't set
494 one software breakpoint, and expect multiple harts to hit it. It's
495 possible that the first hart completes set/run/halt/clear before the
496 second hart even gets to resume, so it will never hit the breakpoint.
498 with
PrivateState(self
):
499 for child
in self
.children
:
501 child
.expect("Continuing")
504 for child
in self
.children
:
505 child
.expect(r
"\(gdb\)")
508 self
.active_child
.send("\003")
509 self
.active_child
.expect(r
"\(gdb\)", timeout
=6000)
510 return self
.active_child
.before
.strip()
512 def interrupt_all(self
):
513 for child
in self
.children
:
514 self
.select_child(child
)
517 def x(self
, address
, size
='w'):
518 output
= self
.command("x/%s %s" % (size
, address
))
519 value
= int(output
.split(':')[1].strip(), 0)
522 def p_raw(self
, obj
):
523 output
= self
.command("p %s" % obj
)
524 m
= re
.search("Cannot access memory at address (0x[0-9a-f]+)", output
)
526 raise CannotAccess(int(m
.group(1), 0))
527 return output
.split('=')[-1].strip()
529 def parse_string(self
, text
):
531 if text
.startswith("{") and text
.endswith("}"):
533 return [self
.parse_string(t
) for t
in inner
.split(", ")]
534 elif text
.startswith('"') and text
.endswith('"'):
539 def p(self
, obj
, fmt
="/x"):
540 output
= self
.command("p%s %s" % (fmt
, obj
))
541 m
= re
.search("Cannot access memory at address (0x[0-9a-f]+)", output
)
543 raise CannotAccess(int(m
.group(1), 0))
544 m
= re
.search(r
"Could not fetch register \"(\w
+)\"; (.*)$
", output)
546 raise CouldNotFetch(m.group(1), m.group(2))
547 rhs = output.split('=')[-1]
548 return self.parse_string(rhs)
550 def p_string(self, obj):
551 output = self.command("p
%s" % obj)
552 value = shlex.split(output.split('=')[-1].strip())[1]
556 output = self.command("stepi
", ops=10)
560 output = self.command("load
", ops=1000)
561 assert "failed
" not in output
562 assert "Transfer rate
" in output
563 output = self.command("compare
-sections
", ops=1000)
564 assert "MIS
" not in output
566 def b(self, location):
567 output = self.command("b
%s" % location, ops=5)
568 assert "not defined
" not in output
569 assert "Breakpoint
" in output
572 def hbreak(self, location):
573 output = self.command("hbreak
%s" % location, ops=5)
574 assert "not defined
" not in output
575 assert "Hardware assisted breakpoint
" in output
579 output = self.command("info threads
", ops=100)
581 for line in output.splitlines():
584 r"(Remote target|
Thread (\d
+)\s
*\
(Name
: ([^\
)]+))"
587 threads.append(Thread(*m.groups()))
590 #>>> threads.append(Thread('1', '1', 'Default', '???'))
593 def thread(self, thread):
594 return self.command("thread
%s" % thread.id)
597 return self.command("where
1")
599 class PrivateState(object):
600 def __init__(self, gdb):
604 self.gdb.push_state()
606 def __exit__(self, _type, _value, _traceback):
609 def run_all_tests(module, target, parsed):
611 os.makedirs(parsed.logs)
613 # There's a race where multiple instances of the test program might
614 # decide to create the logs directory at the same time.
617 overall_start = time.time()
619 global gdb_cmd # pylint: disable=global-statement
623 examine_added = False
624 for hart in target.harts:
626 hart.misa = int(parsed.misaval, 16)
627 print "Using $misa
from command line
: 0x
%x" % hart.misa
629 print "Using $misa
from hart definition
: 0x
%x" % hart.misa
630 elif not examine_added:
631 todo.append(("ExamineTarget
", ExamineTarget, None))
634 for name in dir(module):
635 definition = getattr(module, name)
636 if isinstance(definition, type) and hasattr(definition, 'test') and \
637 (not parsed.test or any(test in name for test in parsed.test)):
638 todo.append((name, definition, None))
640 results, count = run_tests(parsed, target, todo)
642 header("ran
%d tests
in %.0fs
" % (count, time.time() - overall_start),
645 return print_results(results)
647 good_results = set(('pass', 'not_applicable'))
648 def run_tests(parsed, target, todo):
652 for name, definition, hart in todo:
653 log_name = os.path.join(parsed.logs, "%s-%s-%s.log
" %
654 (time.strftime("%Y
%m
%d-%H
%M
%S
"), type(target).__name__, name))
655 log_fd = open(log_name, 'w')
656 print "[%s] Starting
> %s" % (name, log_name)
657 instance = definition(target, hart)
659 log_fd.write("Test
: %s\n" % name)
660 log_fd.write("Target
: %s\n" % type(target).__name__)
662 global real_stdout # pylint: disable=global-statement
663 real_stdout = sys.stdout
666 result = instance.run()
667 log_fd.write("Result
: %s\n" % result)
668 log_fd.write("Logfile
: %s\n" % log_name)
669 log_fd.write("Reproduce
: %s %s %s\n" % (sys.argv[0], parsed.target,
672 sys.stdout = real_stdout
673 log_fd.write("Time elapsed
: %.2fs
\n" % (time.time() - start))
675 print "[%s] %s in %.2fs
" % (name, result, time.time() - start)
676 if result not in good_results and parsed.print_failures:
677 sys.stdout.write(open(log_name).read())
679 results.setdefault(result, []).append((name, log_name))
681 if result not in good_results and parsed.fail_fast:
684 return results, count
686 def print_results(results):
688 for key, value in results.iteritems():
689 print "%d tests returned
%s" % (len(value), key)
690 if key not in good_results:
692 for name, log_name in value:
693 print " %s > %s" % (name, log_name)
697 def add_test_run_options(parser):
698 parser.add_argument("--logs
", default="logs
",
699 help="Store logs
in the specified directory
.")
700 parser.add_argument("--fail
-fast
", "-f
", action="store_true
",
701 help="Exit
as soon
as any test fails
.")
702 parser.add_argument("--print-failures
", action="store_true
",
703 help="When a test fails
, print the log
file to stdout
.")
704 parser.add_argument("--print-log
-names
", "--pln
", action="store_true
",
705 help="Print names of temporary log files
as soon
as they are
"
707 parser.add_argument("test
", nargs='*',
708 help="Run only tests that are named here
.")
709 parser.add_argument("--gdb
",
710 help="The command to use to start gdb
.")
711 parser.add_argument("--misaval
",
712 help="Don
't run ExamineTarget, just assume the misa value which is "
715 def header(title, dash='-', length=78):
717 dashes = dash * (length - 4 - len(title))
718 before = dashes[:len(dashes)/2]
719 after = dashes[len(dashes)/2:]
720 print "%s[ %s ]%s" % (before, title, after)
724 def print_log_handle(name, handle):
731 print_log_handle(path, open(path, "r"))
733 class BaseTest(object):
736 def __init__(self, target, hart=None):
741 self.hart = random.choice(target.harts)
742 self.hart = target.harts[-1] #<<<
744 self.target_process = None
749 def early_applicable(self):
750 """Return a false value if the test has determined it cannot run
751 without ever needing to talk to the target or server."""
752 # pylint: disable=no-self-use
759 compile_args = getattr(self, 'compile_args
', None)
761 if compile_args not in BaseTest.compiled:
762 BaseTest.compiled[compile_args] = \
763 self.target.compile(self.hart, *compile_args)
764 self.binary = BaseTest.compiled.get(compile_args)
766 def classSetup(self):
768 self.target_process = self.target.create()
769 if self.target_process:
770 self.logs.append(self.target_process.logname)
772 self.server = self.target.server()
773 self.logs.append(self.server.logname)
775 for log in self.logs:
779 def classTeardown(self):
781 del self.target_process
783 def postMortem(self):
788 If compile_args is set, compile a program and set self.binary.
792 Then call test() and return the result, displaying relevant information
793 if an exception is raised.
798 if not self.early_applicable():
799 return "not_applicable"
801 self.start = time.time()
806 result = self.test() # pylint: disable=no-member
807 except TestNotApplicable:
808 result = "not_applicable"
809 except Exception as e: # pylint: disable=broad-except
810 if isinstance(e, TestFailed):
814 if isinstance(e, TestFailed):
818 traceback.print_exc(file=sys.stdout)
821 except Exception as e: # pylint: disable=broad-except
822 header("postMortem Exception")
824 traceback.print_exc(file=sys.stdout)
828 # Get handles to logs before the files are deleted.
830 for log in self.logs:
831 logs.append((log, open(log, "r")))
834 for name, handle in logs:
835 print_log_handle(name, handle)
836 header("End of logs")
843 class GdbTest(BaseTest):
844 def __init__(self, target, hart=None):
845 BaseTest.__init__(self, target, hart=hart)
848 def classSetup(self):
849 BaseTest.classSetup(self)
852 self.gdb = Gdb(self.server.gdb_ports, gdb_cmd,
853 timeout=self.target.timeout_sec, binary=self.binary)
855 self.gdb = Gdb(self.server.gdb_ports,
856 timeout=self.target.timeout_sec, binary=self.binary)
858 self.logs += self.gdb.lognames()
861 self.gdb.global_command("set remotetimeout %d" %
862 self.target.timeout_sec)
864 for cmd in self.target.gdb_setup:
865 self.gdb.command(cmd)
867 self.gdb.select_hart(self.hart)
869 # FIXME: OpenOCD doesn't handle PRIV now
870 #self.gdb.p("$priv=3")
872 def postMortem(self
):
876 self
.gdb
.command("disassemble", ops
=20)
877 self
.gdb
.command("info registers all", ops
=100)
878 self
.gdb
.command("flush regs")
879 self
.gdb
.command("info threads", ops
=100)
881 def classTeardown(self
):
883 BaseTest
.classTeardown(self
)
885 def parkOtherHarts(self
):
886 """Park harts besides the currently selected one in loop_forever()."""
887 for hart
in self
.target
.harts
:
888 # Park all harts that we're not using in a safe place.
889 if hart
!= self
.hart
:
890 self
.gdb
.select_hart(hart
)
891 self
.gdb
.p("$pc=loop_forever")
893 self
.gdb
.select_hart(self
.hart
)
895 class GdbSingleHartTest(GdbTest
):
896 def classSetup(self
):
897 GdbTest
.classSetup(self
)
898 self
.parkOtherHarts()
900 class ExamineTarget(GdbTest
):
902 for hart
in self
.target
.harts
:
903 self
.gdb
.select_hart(hart
)
905 hart
.misa
= self
.gdb
.p("$misa")
909 if ((hart
.misa
& 0xFFFFFFFF) >> 30) == 1:
911 elif ((hart
.misa
& 0xFFFFFFFFFFFFFFFF) >> 62) == 2:
913 elif ((hart
.misa
& 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF) >> 126) == 3:
916 raise TestFailed("Couldn't determine XLEN from $misa (0x%x)" %
919 if misa_xlen
!= hart
.xlen
:
920 raise TestFailed("MISA reported XLEN of %d but we were "\
921 "expecting XLEN of %d\n" % (misa_xlen
, hart
.xlen
))
923 txt
+= ("%d" % misa_xlen
)
926 if hart
.misa
& (1<<i
):
927 txt
+= chr(i
+ ord('A'))
930 class TestFailed(Exception):
931 def __init__(self
, message
):
932 Exception.__init
__(self
)
933 self
.message
= message
935 class TestNotApplicable(Exception):
936 def __init__(self
, message
):
937 Exception.__init
__(self
)
938 self
.message
= message
940 def assertEqual(a
, b
):
942 raise TestFailed("%r != %r" % (a
, b
))
944 def assertNotEqual(a
, b
):
946 raise TestFailed("%r == %r" % (a
, b
))
950 raise TestFailed("%r not in %r" % (a
, b
))
952 def assertNotIn(a
, b
):
954 raise TestFailed("%r in %r" % (a
, b
))
956 def assertGreater(a
, b
):
958 raise TestFailed("%r not greater than %r" % (a
, b
))
960 def assertLess(a
, b
):
962 raise TestFailed("%r not less than %r" % (a
, b
))
966 raise TestFailed("%r is not True" % a
)
968 def assertRegexpMatches(text
, regexp
):
969 if not re
.search(regexp
, text
):
970 raise TestFailed("can't find %r in %r" % (regexp
, text
))