diff options
Diffstat (limited to 'packages/Python/lldbsuite/test/tools/lldb-vscode/lldbvscode_testcase.py')
| -rw-r--r-- | packages/Python/lldbsuite/test/tools/lldb-vscode/lldbvscode_testcase.py | 288 |
1 files changed, 288 insertions, 0 deletions
diff --git a/packages/Python/lldbsuite/test/tools/lldb-vscode/lldbvscode_testcase.py b/packages/Python/lldbsuite/test/tools/lldb-vscode/lldbvscode_testcase.py new file mode 100644 index 000000000000..c66c6bb7af6b --- /dev/null +++ b/packages/Python/lldbsuite/test/tools/lldb-vscode/lldbvscode_testcase.py @@ -0,0 +1,288 @@ +from __future__ import print_function + +from lldbsuite.test.lldbtest import * +import os +import vscode + + +class VSCodeTestCaseBase(TestBase): + + def create_debug_adaptor(self): + '''Create the Visual Studio Code debug adaptor''' + self.assertTrue(os.path.exists(self.lldbVSCodeExec), + 'lldb-vscode must exist') + self.vscode = vscode.DebugAdaptor(executable=self.lldbVSCodeExec) + + def build_and_create_debug_adaptor(self): + self.build() + self.create_debug_adaptor() + + def set_source_breakpoints(self, source_path, lines, condition=None, + hitCondition=None): + '''Sets source breakpoints and returns an array of strings containing + the breakpoint location IDs ("1.1", "1.2") for each breakpoint + that was set. + ''' + response = self.vscode.request_setBreakpoints( + source_path, lines, condition=condition, hitCondition=hitCondition) + if response is None: + return [] + breakpoints = response['body']['breakpoints'] + breakpoint_ids = [] + for breakpoint in breakpoints: + response_id = breakpoint['id'] + bp_id = response_id >> 32 + bp_loc_id = response_id & 0xffffffff + breakpoint_ids.append('%i.%i' % (bp_id, bp_loc_id)) + return breakpoint_ids + + def set_function_breakpoints(self, functions, condition=None, + hitCondition=None): + '''Sets breakpoints by function name given an array of function names + and returns an array of strings containing the breakpoint location + IDs ("1.1", "1.2") for each breakpoint that was set. + ''' + response = self.vscode.request_setFunctionBreakpoints( + functions, condition=condition, hitCondition=hitCondition) + if response is None: + return [] + breakpoints = response['body']['breakpoints'] + breakpoint_ids = [] + for breakpoint in breakpoints: + response_id = breakpoint['id'] + bp_id = response_id >> 32 + bp_loc_id = response_id & 0xffffffff + breakpoint_ids.append('%i.%i' % (bp_id, bp_loc_id)) + return breakpoint_ids + + def verify_breakpoint_hit(self, breakpoint_ids): + '''Wait for the process we are debugging to stop, and verify we hit + any breakpoint location in the "breakpoint_ids" array. + "breakpoint_ids" should be a list of breakpoint location ID strings + (["1.1", "2.1"]). The return value from + self.set_source_breakpoints() can be passed to this function''' + stopped_events = self.vscode.wait_for_stopped() + for stopped_event in stopped_events: + if 'body' in stopped_event: + body = stopped_event['body'] + if 'reason' not in body: + continue + if body['reason'] != 'breakpoint': + continue + if 'description' not in body: + continue + # Description is "breakpoint 1.1", so look for any location id + # ("1.1") in the description field as verification that one of + # the breakpoint locations was hit + description = body['description'] + for breakpoint_id in breakpoint_ids: + if breakpoint_id in description: + return True + return False + + def verify_exception_breakpoint_hit(self, filter_label): + '''Wait for the process we are debugging to stop, and verify the stop + reason is 'exception' and that the description matches + 'filter_label' + ''' + stopped_events = self.vscode.wait_for_stopped() + for stopped_event in stopped_events: + if 'body' in stopped_event: + body = stopped_event['body'] + if 'reason' not in body: + continue + if body['reason'] != 'exception': + continue + if 'description' not in body: + continue + description = body['description'] + if filter_label == description: + return True + return False + + def verify_commands(self, flavor, output, commands): + self.assertTrue(output and len(output) > 0, "expect console output") + lines = output.splitlines() + prefix = '(lldb) ' + for cmd in commands: + found = False + for line in lines: + if line.startswith(prefix) and cmd in line: + found = True + break + self.assertTrue(found, + "verify '%s' found in console output for '%s'" % ( + cmd, flavor)) + + def get_dict_value(self, d, key_path): + '''Verify each key in the key_path array is in contained in each + dictionary within "d". Assert if any key isn't in the + corresponding dictionary. This is handy for grabbing values from VS + Code response dictionary like getting + response['body']['stackFrames'] + ''' + value = d + for key in key_path: + if key in value: + value = value[key] + else: + self.assertTrue(key in value, + 'key "%s" from key_path "%s" not in "%s"' % ( + key, key_path, d)) + return value + + def get_stackFrames(self, threadId=None, startFrame=None, levels=None, + dump=False): + response = self.vscode.request_stackTrace(threadId=threadId, + startFrame=startFrame, + levels=levels, + dump=dump) + if response: + return self.get_dict_value(response, ['body', 'stackFrames']) + return None + + def get_source_and_line(self, threadId=None, frameIndex=0): + stackFrames = self.get_stackFrames(threadId=threadId, + startFrame=frameIndex, + levels=1) + if stackFrames is not None: + stackFrame = stackFrames[0] + ['source', 'path'] + if 'source' in stackFrame: + source = stackFrame['source'] + if 'path' in source: + if 'line' in stackFrame: + return (source['path'], stackFrame['line']) + return ('', 0) + + def get_stdout(self, timeout=0.0): + return self.vscode.get_output('stdout', timeout=timeout) + + def get_console(self, timeout=0.0): + return self.vscode.get_output('console', timeout=timeout) + + def get_local_as_int(self, name, threadId=None): + value = self.vscode.get_local_variable_value(name, threadId=threadId) + if value.startswith('0x'): + return int(value, 16) + elif value.startswith('0'): + return int(value, 8) + else: + return int(value) + + def set_local(self, name, value, id=None): + '''Set a top level local variable only.''' + return self.vscode.request_setVariable(1, name, str(value), id=id) + + def set_global(self, name, value, id=None): + '''Set a top level global variable only.''' + return self.vscode.request_setVariable(2, name, str(value), id=id) + + def stepIn(self, threadId=None, waitForStop=True): + self.vscode.request_stepIn(threadId=threadId) + if waitForStop: + return self.vscode.wait_for_stopped() + return None + + def stepOver(self, threadId=None, waitForStop=True): + self.vscode.request_next(threadId=threadId) + if waitForStop: + return self.vscode.wait_for_stopped() + return None + + def stepOut(self, threadId=None, waitForStop=True): + self.vscode.request_stepOut(threadId=threadId) + if waitForStop: + return self.vscode.wait_for_stopped() + return None + + def continue_to_next_stop(self): + self.vscode.request_continue() + return self.vscode.wait_for_stopped() + + def continue_to_breakpoints(self, breakpoint_ids): + self.vscode.request_continue() + self.verify_breakpoint_hit(breakpoint_ids) + + def continue_to_exception_breakpoint(self, filter_label): + self.vscode.request_continue() + self.assertTrue(self.verify_exception_breakpoint_hit(filter_label), + 'verify we got "%s"' % (filter_label)) + + def continue_to_exit(self, exitCode=0): + self.vscode.request_continue() + stopped_events = self.vscode.wait_for_stopped() + self.assertTrue(len(stopped_events) == 1, + "expecting single 'exited' event") + self.assertTrue(stopped_events[0]['event'] == 'exited', + 'make sure program ran to completion') + self.assertTrue(stopped_events[0]['body']['exitCode'] == exitCode, + 'exitCode == %i' % (exitCode)) + + def attach(self, program=None, pid=None, waitFor=None, trace=None, + initCommands=None, preRunCommands=None, stopCommands=None, + exitCommands=None, attachCommands=None): + '''Build the default Makefile target, create the VSCode debug adaptor, + and attach to the process. + ''' + # Make sure we disconnect and terminate the VSCode debug adaptor even + # if we throw an exception during the test case. + def cleanup(): + self.vscode.request_disconnect(terminateDebuggee=True) + self.vscode.terminate() + + # Execute the cleanup function during test case tear down. + self.addTearDownHook(cleanup) + # Initialize and launch the program + self.vscode.request_initialize() + response = self.vscode.request_attach( + program=program, pid=pid, waitFor=waitFor, trace=trace, + initCommands=initCommands, preRunCommands=preRunCommands, + stopCommands=stopCommands, exitCommands=exitCommands, + attachCommands=attachCommands) + if not (response and response['success']): + self.assertTrue(response['success'], + 'attach failed (%s)' % (response['message'])) + + def build_and_launch(self, program, args=None, cwd=None, env=None, + stopOnEntry=False, disableASLR=True, + disableSTDIO=False, shellExpandArguments=False, + trace=False, initCommands=None, preRunCommands=None, + stopCommands=None, exitCommands=None, + sourcePath=None, debuggerRoot=None): + '''Build the default Makefile target, create the VSCode debug adaptor, + and launch the process. + ''' + self.build_and_create_debug_adaptor() + self.assertTrue(os.path.exists(program), 'executable must exist') + + # Make sure we disconnect and terminate the VSCode debug adaptor even + # if we throw an exception during the test case. + def cleanup(): + self.vscode.request_disconnect(terminateDebuggee=True) + self.vscode.terminate() + + # Execute the cleanup function during test case tear down. + self.addTearDownHook(cleanup) + + # Initialize and launch the program + self.vscode.request_initialize() + response = self.vscode.request_launch( + program, + args=args, + cwd=cwd, + env=env, + stopOnEntry=stopOnEntry, + disableASLR=disableASLR, + disableSTDIO=disableSTDIO, + shellExpandArguments=shellExpandArguments, + trace=trace, + initCommands=initCommands, + preRunCommands=preRunCommands, + stopCommands=stopCommands, + exitCommands=exitCommands, + sourcePath=sourcePath, + debuggerRoot=debuggerRoot) + if not (response and response['success']): + self.assertTrue(response['success'], + 'launch failed (%s)' % (response['message'])) |