def testTraceDidntImport(self):
trace_string = b'This is intentionally not a trace-formatted string.'
trace_handle = file_handle.InMemoryFileHandle('/a.json', trace_string)
with map_single_trace.TemporaryMapScript("""
tr.mre.FunctionRegistry.register(
function MyMapFunction(results, model) {
});
""") as map_script:
result = map_single_trace.MapSingleTrace(
trace_handle, _Handle(map_script.filename))
self.assertEquals(len(result.failures), 1)
self.assertEquals(len(result.pairs), 0)
f = result.failures[0]
self.assertIsInstance(f, map_single_trace.TraceImportFailure)
def testMapperWithUnexpectedError(self):
events = [
{'pid': 1, 'tid': 2, 'ph': 'X', 'name': 'a', 'cat': 'c',
'ts': 0, 'dur': 10, 'args': {}},
]
trace_handle = file_handle.InMemoryFileHandle(
'/a.json', json.dumps(events))
with map_single_trace.TemporaryMapScript("""
quit(100);
""") as map_script:
result = map_single_trace.MapSingleTrace(trace_handle,
_Handle(map_script.filename))
self.assertEquals(len(result.failures), 1)
self.assertEquals(len(result.pairs), 0)
f = result.failures[0]
self.assertIsInstance(f, failure.Failure)
def testNoMapper(self):
events = [
{'pid': 1, 'tid': 2, 'ph': 'X', 'name': 'a', 'cat': 'c',
'ts': 0, 'dur': 10, 'args': {}},
{'pid': 1, 'tid': 2, 'ph': 'X', 'name': 'b', 'cat': 'c',
'ts': 3, 'dur': 5, 'args': {}}
]
trace_handle = file_handle.InMemoryFileHandle(
'/a.json', json.dumps(events))
with map_single_trace.TemporaryMapScript("""
""") as map_script:
result = map_single_trace.MapSingleTrace(trace_handle,
_Handle(map_script.filename))
self.assertEquals(len(result.failures), 1)
self.assertEquals(len(result.pairs), 0)
f = result.failures[0]
self.assertIsInstance(f, map_single_trace.FunctionNotDefinedFailure)
def RunMetricOnSingleTrace(filename,
metrics,
extra_import_options=None,
canonical_url=None,
timeout=None):
"""A simplified RunMetric() that skips using MapRunner.
This avoids the complexity of multithreading and progress
reporting.
"""
filename_url = 'file://' + filename
if canonical_url is None:
canonical_url = filename_url
trace_handle = file_handle.URLFileHandle(canonical_url, filename_url)
job = _GetMetricRunnerHandle(metrics)
return map_single_trace.MapSingleTrace(
trace_handle,
job,
extra_import_options=extra_import_options,
timeout=timeout)
def testPassingMapScript(self):
events = [{
'pid': 1,
'tid': 2,
'ph': 'X',
'name': 'a',
'cat': 'c',
'ts': 0,
'dur': 10,
'args': {}
}, {
'pid': 1,
'tid': 2,
'ph': 'X',
'name': 'b',
'cat': 'c',
'ts': 3,
'dur': 5,
'args': {}
}]
trace_handle = file_handle.InMemoryFileHandle(
'/a.json',
json.dumps(events).encode('utf-8'))
with map_single_trace.TemporaryMapScript("""
tr.mre.FunctionRegistry.register(
function MyMapFunction(result, model) {
var canonicalUrl = model.canonicalUrl;
result.addPair('result', {
numProcesses: model.getAllProcesses().length
});
});
""") as map_script:
result = map_single_trace.MapSingleTrace(
trace_handle, _Handle(map_script.filename))
self.assertFalse(result.failures)
r = result.pairs['result']
self.assertEquals(r['numProcesses'], 1)
def testMapperDoesntAddValues(self):
events = [
{'pid': 1, 'tid': 2, 'ph': 'X', 'name': 'a', 'cat': 'c',
'ts': 0, 'dur': 10, 'args': {}},
{'pid': 1, 'tid': 2, 'ph': 'X', 'name': 'b', 'cat': 'c',
'ts': 3, 'dur': 5, 'args': {}}
]
trace_handle = file_handle.InMemoryFileHandle(
'/a.json', json.dumps(events))
with map_single_trace.TemporaryMapScript("""
tr.mre.FunctionRegistry.register(
function MyMapFunction(results, model) {
});
""") as map_script:
result = map_single_trace.MapSingleTrace(trace_handle,
_Handle(map_script.filename))
self.assertEquals(len(result.failures), 1)
self.assertEquals(len(result.pairs), 0)
f = result.failures[0]
self.assertIsInstance(f, map_single_trace.NoResultsAddedFailure)
def testMapFunctionThatThrows(self):
events = [{
'pid': 1,
'tid': 2,
'ph': 'X',
'name': 'a',
'cat': 'c',
'ts': 0,
'dur': 10,
'args': {}
}, {
'pid': 1,
'tid': 2,
'ph': 'X',
'name': 'b',
'cat': 'c',
'ts': 3,
'dur': 5,
'args': {}
}]
trace_handle = file_handle.InMemoryFileHandle(
'/a.json',
json.dumps(events).encode('utf-8'))
with map_single_trace.TemporaryMapScript("""
tr.mre.FunctionRegistry.register(
function MyMapFunction(results, model) {
throw new Error('Expected error');
});
""") as map_script:
result = map_single_trace.MapSingleTrace(
trace_handle, _Handle(map_script.filename))
self.assertEquals(len(result.failures), 1)
self.assertEquals(len(result.pairs), 0)
f = result.failures[0]
self.assertIsInstance(f, map_single_trace.MapFunctionFailure)