Source Code for Module buildbot.process.subunitlogobserver

 1  # -*- test-case-name: buildbot.test.test_buildstep -*- 
 2   
 3  from unittest import TestResult 
 4   
 5  from buildbot.steps.shell import ShellCommand 
 6  from buildbot.process import buildstep 
 7   
 8   
 9 -class DiscardStream: 
10      """A trivial thunk used to discard passthrough content.""" 
11   
12 -    def write(self, bytes): 
13          pass 
14   
15   
16 -class SubunitLogObserver(buildstep.LogLineObserver, TestResult): 
17      """Observe a log that may contain subunit output. 
18   
19      This class extends TestResult to receive the callbacks from the subunit 
20      parser in the most direct fashion. 
21      """ 
22   
23 -    def __init__(self): 
24          buildstep.LogLineObserver.__init__(self) 
25          TestResult.__init__(self) 
26          try: 
27              from subunit import TestProtocolServer 
28          except ImportError: 
29              raise ImportError("subunit is not importable, but is required for " 
30                  "SubunitLogObserver support.") 
31          self.protocol = TestProtocolServer(self, DiscardStream()) 
32   
33 -    def outLineReceived(self, line): 
34          """Process a received line.""" 
35          # Impedance mismatch: subunit wants lines, observers get lines-no\n 
36          self.protocol.lineReceived(line + '\n') 
37   
38 -    def startTest(self, test): 
39          TestResult.startTest(self, test) 
40          self.step.setProgress('tests', self.testsRun) 
41   
42 -    def addError(self, test, err): 
43          TestResult.addError(self, test, err) 
44          self.issue() 
45   
46 -    def addFailure(self, test, err): 
47          TestResult.addFailure(self, test, err) 
48          self.issue() 
49   
50 -    def issue(self): 
51          """An issue - failing, erroring etc test.""" 
52          self.step.setProgress('tests failed', len(self.failures) + len(self.errors)) 
53   
54   
55 -class SubunitShellCommand(ShellCommand): 
56      """A ShellCommand that sniffs subunit output. 
57   
58      Ideally not needed, and thus here to be trivially deleted. See issue #615 
59      """ 
60   
61 -    def __init__(self, *args, **kwargs): 
62          ShellCommand.__init__(self, *args, **kwargs) 
63          self.addLogObserver('stdio', SubunitLogObserver()) 
64          self.progressMetrics = self.progressMetrics + ('tests', 'tests failed') 
65