Coverage for master/buildbot/process/subunitlogobserver : 33%

# This file is part of Buildbot.  Buildbot is free software: you can 

# redistribute it and/or modify it under the terms of the GNU General Public 

# License as published by the Free Software Foundation, version 2. 

# 

# This program is distributed in the hope that it will be useful, but WITHOUT 

# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 

# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more 

# details. 

# 

# You should have received a copy of the GNU General Public License along with 

# this program; if not, write to the Free Software Foundation, Inc., 51 

# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 

# 

# Copyright Buildbot Team Members 

from unittest import TestResult 

from StringIO import StringIO 

from buildbot.process import buildstep 

from buildbot.status.testresult import TestResult as aTestResult 

from buildbot.status.results import SUCCESS, FAILURE, SKIPPED 

class SubunitLogObserver(buildstep.LogLineObserver, TestResult): 

    """Observe a log that may contain subunit output. 

    This class extends TestResult to receive the callbacks from the subunit 

    parser in the most direct fashion. 

    """ 

    def __init__(self): 

        buildstep.LogLineObserver.__init__(self) 

        TestResult.__init__(self) 

        try: 

            from subunit import TestProtocolServer, PROGRESS_CUR, PROGRESS_SET 

            from subunit import PROGRESS_PUSH, PROGRESS_POP 

        except ImportError: 

            raise ImportError("subunit is not importable, but is required for " 

                "SubunitLogObserver support.") 

        self.PROGRESS_CUR = PROGRESS_CUR 

        self.PROGRESS_SET = PROGRESS_SET 

        self.PROGRESS_PUSH = PROGRESS_PUSH 

        self.PROGRESS_POP = PROGRESS_POP 

        self.warningio = StringIO() 

        self.protocol = TestProtocolServer(self, self.warningio) 

        self.skips = [] 

        self.seen_tags = set() #don't yet know what tags does in subunit 

    def outLineReceived(self, line): 

        """Process a received stdout line.""" 

        # Impedance mismatch: subunit wants lines, observers get lines-no\n 

        self.protocol.lineReceived(line + '\n') 

    def errLineReceived(self, line): 

        """same for stderr line.""" 

        self.protocol.lineReceived(line + '\n') 

    def stopTest(self, test): 

        TestResult.stopTest(self, test) 

        self.step.setProgress('tests', self.testsRun) 

    def addSuccess(self, test): 

        TestResult.addSuccess(self, test) 

        self.addAResult(test, SUCCESS, 'SUCCESS') 

    def addSkip(self, test, detail): 

        if hasattr(TestResult,'addSkip'): 

            TestResult.addSkip(self, test, detail) 

        else: 

            self.skips.append((test, detail)) 

        self.addAResult(test, SKIPPED, 'SKIPPED', detail) 

    def addError(self, test, err): 

        TestResult.addError(self, test, err) 

        self.issue(test, err) 

    def addFailure(self, test, err): 

        TestResult.addFailure(self, test, err) 

        self.issue(test, err) 

    def addAResult(self, test, result, text, log=""): 

        tr = aTestResult(tuple(test.id().split('.')), result, text, log) 

        self.step.build.build_status.addTestResult(tr) 

    def issue(self, test, err): 

        """An issue - failing, erroring etc test.""" 

        self.addAResult(test, FAILURE, 'FAILURE', err) 

        self.step.setProgress('tests failed', len(self.failures) + 

            len(self.errors)) 

    expectedTests = 0 

    contextLevel = 0 

    def progress(self, offset, whence): 

        if not self.contextLevel: 

            if whence == self.PROGRESS_CUR: 

                self.expectedTests += offset 

            elif whence == self.PROGRESS_SET: 

                self.expectedTests = offset 

            self.step.progress.setExpectations({'tests': self.expectedTests}) 

        #TODO: properly support PUSH/POP 

        if whence == self.PROGRESS_PUSH: 

            self.contextLevel += 1 

        elif whence == self.PROGRESS_POP: 

            self.contextLevel -= 1 

    def tags(self, new_tags, gone_tags): 

        """Accumulate the seen tags.""" 

        self.seen_tags.update(new_tags) 

# this used to be referenced here, so we keep a link for old time's sake 

import buildbot.steps.subunit 

SubunitShellCommand = buildbot.steps.subunit.SubunitShellCommand