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| 1 # Copyright 2015 The Chromium Authors. All rights reserved. | |
| 2 # Use of this source code is governed by a BSD-style license that can be | |
| 3 # found in the LICENSE file. | |
| 4 | |
| 5 import logging | |
| 6 import re | |
| 7 | |
| 8 # http://developer.android.com/reference/android/test/InstrumentationTestRunner.
html | |
| 9 STATUS_CODE_START = 1 | |
| 10 STATUS_CODE_OK = 0 | |
| 11 STATUS_CODE_ERROR = -1 | |
| 12 STATUS_CODE_FAILURE = -2 | |
| 13 | |
| 14 # http://developer.android.com/reference/android/app/Activity.html | |
| 15 RESULT_CODE_OK = -1 | |
| 16 RESULT_CODE_CANCELED = 0 | |
| 17 | |
| 18 _INSTR_LINE_RE = re.compile('^\s*INSTRUMENTATION_([A-Z_]+): (.*)$') | |
| 19 | |
| 20 | |
| 21 class InstrumentationParser(object): | |
| 22 | |
| 23 def __init__(self, stream): | |
| 24 """An incremental parser for the output of Android instrumentation tests. | |
| 25 | |
| 26 Example: | |
| 27 | |
| 28 stream = adb.IterShell('am instrument -r ...') | |
| 29 parser = InstrumentationParser(stream) | |
| 30 | |
| 31 for code, bundle in parser.IterStatus(): | |
| 32 # do something with each instrumentation status | |
| 33 print 'status:', code, bundle | |
| 34 | |
| 35 # do something with the final instrumentation result | |
| 36 code, bundle = parser.GetResult() | |
| 37 print 'result:', code, bundle | |
| 38 | |
| 39 Args: | |
| 40 stream: a sequence of lines as produced by the raw output of an | |
| 41 instrumentation test (e.g. by |am instrument -r| or |uiautomator|). | |
| 42 """ | |
| 43 self._stream = stream | |
| 44 self._code = None | |
| 45 self._bundle = None | |
| 46 | |
| 47 def IterStatus(self): | |
| 48 """Iterate over statuses as they are produced by the instrumentation test. | |
| 49 | |
| 50 Yields: | |
| 51 A tuple (code, bundle) for each instrumentation status found in the | |
| 52 output. | |
| 53 """ | |
| 54 def join_bundle_values(bundle): | |
| 55 for key in bundle: | |
| 56 bundle[key] = '\n'.join(bundle[key]) | |
| 57 return bundle | |
| 58 | |
| 59 bundle = {'STATUS': {}, 'RESULT': {}} | |
| 60 header = None | |
| 61 key = None | |
| 62 for line in self._stream: | |
| 63 m = _INSTR_LINE_RE.match(line) | |
| 64 if m: | |
| 65 header, value = m.groups() | |
| 66 key = None | |
| 67 if header in ['STATUS', 'RESULT'] and '=' in value: | |
| 68 key, value = value.split('=', 1) | |
| 69 bundle[header][key] = [value] | |
| 70 elif header == 'STATUS_CODE': | |
| 71 yield int(value), join_bundle_values(bundle['STATUS']) | |
| 72 bundle['STATUS'] = {} | |
| 73 elif header == 'CODE': | |
| 74 self._code = int(value) | |
| 75 else: | |
| 76 logging.warning('Unknown INSTRUMENTATION_%s line: %s', header, value) | |
| 77 elif key is not None: | |
| 78 bundle[header][key].append(line) | |
| 79 | |
| 80 self._bundle = join_bundle_values(bundle['RESULT']) | |
| 81 | |
| 82 def GetResult(self): | |
| 83 """Return the final instrumentation result. | |
| 84 | |
| 85 Returns: | |
| 86 A pair (code, bundle) with the final instrumentation result. The |code| | |
| 87 may be None if no instrumentation result was found in the output. | |
| 88 | |
| 89 Raises: | |
| 90 AssertionError if attempting to get the instrumentation result before | |
| 91 exhausting |IterStatus| first. | |
| 92 """ | |
| 93 assert self._bundle is not None, ( | |
| 94 'The IterStatus generator must be exhausted before reading the final' | |
| 95 ' instrumentation result.') | |
| 96 return self._code, self._bundle | |
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Chromium Code Reviews
Issue 2392643003:
Removes files from //build that we don't need (Closed)
