diff options
Diffstat (limited to 'gnuradio-core')
-rwxr-xr-x | gnuradio-core/src/python/gnuradio/gr/qa_skiphead.py | 4 | ||||
-rwxr-xr-x | gnuradio-core/src/python/gnuradio/gr_unittest.py | 35 | ||||
-rw-r--r-- | gnuradio-core/src/python/gnuradio/gr_xmlrunner.py | 385 |
3 files changed, 420 insertions, 4 deletions
diff --git a/gnuradio-core/src/python/gnuradio/gr/qa_skiphead.py b/gnuradio-core/src/python/gnuradio/gr/qa_skiphead.py index 106e97314..de2d8fc95 100755 --- a/gnuradio-core/src/python/gnuradio/gr/qa_skiphead.py +++ b/gnuradio-core/src/python/gnuradio/gr/qa_skiphead.py @@ -1,6 +1,6 @@ #!/usr/bin/env python # -# Copyright 2007 Free Software Foundation, Inc. +# Copyright 2007,2010 Free Software Foundation, Inc. # # This file is part of GNU Radio # @@ -99,4 +99,4 @@ class test_skiphead (gr_unittest.TestCase): if __name__ == '__main__': - gr_unittest.main () + gr_unittest.run(test_skiphead, "test_skiphead.xml") diff --git a/gnuradio-core/src/python/gnuradio/gr_unittest.py b/gnuradio-core/src/python/gnuradio/gr_unittest.py index a48343c6b..29a731943 100755 --- a/gnuradio-core/src/python/gnuradio/gr_unittest.py +++ b/gnuradio-core/src/python/gnuradio/gr_unittest.py @@ -1,6 +1,6 @@ #!/usr/bin/env python # -# Copyright 2004 Free Software Foundation, Inc. +# Copyright 2004,2010 Free Software Foundation, Inc. # # This file is part of GNU Radio # @@ -21,7 +21,8 @@ # import unittest -import sys +import gr_xmlrunner +import sys, os, stat class TestCase(unittest.TestCase): """A subclass of unittest.TestCase that adds additional assertions @@ -106,6 +107,36 @@ TextTestRunner = unittest.TextTestRunner TestProgram = unittest.TestProgram main = TestProgram +def run(PUT, filename=None): + ''' + Runs the unittest on a TestCase and produces an optional XML report + PUT: the program under test and should be a gr_unittest.TestCase + filename: an optional filename to save the XML report of the tests + this will live in $HOME/.gnuradio/unittests/python + ''' + + # Run this is given a file name + if(filename is not None): + path = os.getenv("HOME") + "/.gnuradio/unittests/python" + + # Test if path exists; if not, build it + try: + st = os.stat(path) + except OSError: + os.makedirs(path, 0750) + + # Create an XML runner to filename + fout = file(path+"/"+filename, "w") + runner = gr_xmlrunner.XMLTestRunner(fout) + + # Run the test; runner also creates XML output file + suite = TestLoader().loadTestsFromTestCase(PUT) + runner.run(suite) + else: + # If no filename is given, just run the test + main() + + ############################################################################## # Executing this module from the command line ############################################################################## diff --git a/gnuradio-core/src/python/gnuradio/gr_xmlrunner.py b/gnuradio-core/src/python/gnuradio/gr_xmlrunner.py new file mode 100644 index 000000000..ded77f5f3 --- /dev/null +++ b/gnuradio-core/src/python/gnuradio/gr_xmlrunner.py @@ -0,0 +1,385 @@ +""" +XML Test Runner for PyUnit +""" + +# Written by Sebastian Rittau <srittau@jroger.in-berlin.de> and placed in +# the Public Domain. With contributions by Paolo Borelli and others. +# Added to GNU Radio Oct. 3, 2010 + +from __future__ import with_statement + +__version__ = "0.1" + +import os.path +import re +import sys +import time +import traceback +import unittest +from xml.sax.saxutils import escape + +try: + from StringIO import StringIO +except ImportError: + from io import StringIO + + +class _TestInfo(object): + + """Information about a particular test. + + Used by _XMLTestResult. + + """ + + def __init__(self, test, time): + (self._class, self._method) = test.id().rsplit(".", 1) + self._time = time + self._error = None + self._failure = None + + @staticmethod + def create_success(test, time): + """Create a _TestInfo instance for a successful test.""" + return _TestInfo(test, time) + + @staticmethod + def create_failure(test, time, failure): + """Create a _TestInfo instance for a failed test.""" + info = _TestInfo(test, time) + info._failure = failure + return info + + @staticmethod + def create_error(test, time, error): + """Create a _TestInfo instance for an erroneous test.""" + info = _TestInfo(test, time) + info._error = error + return info + + def print_report(self, stream): + """Print information about this test case in XML format to the + supplied stream. + + """ + stream.write(' <testcase classname="%(class)s" name="%(method)s" time="%(time).4f">' % \ + { + "class": self._class, + "method": self._method, + "time": self._time, + }) + if self._failure is not None: + self._print_error(stream, 'failure', self._failure) + if self._error is not None: + self._print_error(stream, 'error', self._error) + stream.write('</testcase>\n') + + def _print_error(self, stream, tagname, error): + """Print information from a failure or error to the supplied stream.""" + text = escape(str(error[1])) + stream.write('\n') + stream.write(' <%s type="%s">%s\n' \ + % (tagname, _clsname(error[0]), text)) + tb_stream = StringIO() + traceback.print_tb(error[2], None, tb_stream) + stream.write(escape(tb_stream.getvalue())) + stream.write(' </%s>\n' % tagname) + stream.write(' ') + + +def _clsname(cls): + return cls.__module__ + "." + cls.__name__ + + +class _XMLTestResult(unittest.TestResult): + + """A test result class that stores result as XML. + + Used by XMLTestRunner. + + """ + + def __init__(self, classname): + unittest.TestResult.__init__(self) + self._test_name = classname + self._start_time = None + self._tests = [] + self._error = None + self._failure = None + + def startTest(self, test): + unittest.TestResult.startTest(self, test) + self._error = None + self._failure = None + self._start_time = time.time() + + def stopTest(self, test): + time_taken = time.time() - self._start_time + unittest.TestResult.stopTest(self, test) + if self._error: + info = _TestInfo.create_error(test, time_taken, self._error) + elif self._failure: + info = _TestInfo.create_failure(test, time_taken, self._failure) + else: + info = _TestInfo.create_success(test, time_taken) + self._tests.append(info) + + def addError(self, test, err): + unittest.TestResult.addError(self, test, err) + self._error = err + + def addFailure(self, test, err): + unittest.TestResult.addFailure(self, test, err) + self._failure = err + + def print_report(self, stream, time_taken, out, err): + """Prints the XML report to the supplied stream. + + The time the tests took to perform as well as the captured standard + output and standard error streams must be passed in.a + + """ + stream.write('<testsuite errors="%(e)d" failures="%(f)d" ' % \ + { "e": len(self.errors), "f": len(self.failures) }) + stream.write('name="%(n)s" tests="%(t)d" time="%(time).3f">\n' % \ + { + "n": self._test_name, + "t": self.testsRun, + "time": time_taken, + }) + for info in self._tests: + info.print_report(stream) + stream.write(' <system-out><![CDATA[%s]]></system-out>\n' % out) + stream.write(' <system-err><![CDATA[%s]]></system-err>\n' % err) + stream.write('</testsuite>\n') + + +class XMLTestRunner(object): + + """A test runner that stores results in XML format compatible with JUnit. + + XMLTestRunner(stream=None) -> XML test runner + + The XML file is written to the supplied stream. If stream is None, the + results are stored in a file called TEST-<module>.<class>.xml in the + current working directory (if not overridden with the path property), + where <module> and <class> are the module and class name of the test class. + + """ + + def __init__(self, stream=None): + self._stream = stream + self._path = "." + + def run(self, test): + """Run the given test case or test suite.""" + class_ = test.__class__ + classname = class_.__module__ + "." + class_.__name__ + if self._stream == None: + filename = "TEST-%s.xml" % classname + stream = file(os.path.join(self._path, filename), "w") + stream.write('<?xml version="1.0" encoding="utf-8"?>\n') + else: + stream = self._stream + + result = _XMLTestResult(classname) + start_time = time.time() + + with _fake_std_streams(): + test(result) + try: + out_s = sys.stdout.getvalue() + except AttributeError: + out_s = "" + try: + err_s = sys.stderr.getvalue() + except AttributeError: + err_s = "" + + time_taken = time.time() - start_time + result.print_report(stream, time_taken, out_s, err_s) + if self._stream is None: + stream.close() + + return result + + def _set_path(self, path): + self._path = path + + path = property(lambda self: self._path, _set_path, None, + """The path where the XML files are stored. + + This property is ignored when the XML file is written to a file + stream.""") + + +class _fake_std_streams(object): + + def __enter__(self): + self._orig_stdout = sys.stdout + self._orig_stderr = sys.stderr + sys.stdout = StringIO() + sys.stderr = StringIO() + + def __exit__(self, exc_type, exc_val, exc_tb): + sys.stdout = self._orig_stdout + sys.stderr = self._orig_stderr + + +class XMLTestRunnerTest(unittest.TestCase): + + def setUp(self): + self._stream = StringIO() + + def _try_test_run(self, test_class, expected): + + """Run the test suite against the supplied test class and compare the + XML result against the expected XML string. Fail if the expected + string doesn't match the actual string. All time attributes in the + expected string should have the value "0.000". All error and failure + messages are reduced to "Foobar". + + """ + + runner = XMLTestRunner(self._stream) + runner.run(unittest.makeSuite(test_class)) + + got = self._stream.getvalue() + # Replace all time="X.YYY" attributes by time="0.000" to enable a + # simple string comparison. + got = re.sub(r'time="\d+\.\d+"', 'time="0.000"', got) + # Likewise, replace all failure and error messages by a simple "Foobar" + # string. + got = re.sub(r'(?s)<failure (.*?)>.*?</failure>', r'<failure \1>Foobar</failure>', got) + got = re.sub(r'(?s)<error (.*?)>.*?</error>', r'<error \1>Foobar</error>', got) + # And finally Python 3 compatibility. + got = got.replace('type="builtins.', 'type="exceptions.') + + self.assertEqual(expected, got) + + def test_no_tests(self): + """Regression test: Check whether a test run without any tests + matches a previous run. + + """ + class TestTest(unittest.TestCase): + pass + self._try_test_run(TestTest, """<testsuite errors="0" failures="0" name="unittest.TestSuite" tests="0" time="0.000"> + <system-out><![CDATA[]]></system-out> + <system-err><![CDATA[]]></system-err> +</testsuite> +""") + + def test_success(self): + """Regression test: Check whether a test run with a successful test + matches a previous run. + + """ + class TestTest(unittest.TestCase): + def test_foo(self): + pass + self._try_test_run(TestTest, """<testsuite errors="0" failures="0" name="unittest.TestSuite" tests="1" time="0.000"> + <testcase classname="__main__.TestTest" name="test_foo" time="0.000"></testcase> + <system-out><![CDATA[]]></system-out> + <system-err><![CDATA[]]></system-err> +</testsuite> +""") + + def test_failure(self): + """Regression test: Check whether a test run with a failing test + matches a previous run. + + """ + class TestTest(unittest.TestCase): + def test_foo(self): + self.assert_(False) + self._try_test_run(TestTest, """<testsuite errors="0" failures="1" name="unittest.TestSuite" tests="1" time="0.000"> + <testcase classname="__main__.TestTest" name="test_foo" time="0.000"> + <failure type="exceptions.AssertionError">Foobar</failure> + </testcase> + <system-out><![CDATA[]]></system-out> + <system-err><![CDATA[]]></system-err> +</testsuite> +""") + + def test_error(self): + """Regression test: Check whether a test run with a erroneous test + matches a previous run. + + """ + class TestTest(unittest.TestCase): + def test_foo(self): + raise IndexError() + self._try_test_run(TestTest, """<testsuite errors="1" failures="0" name="unittest.TestSuite" tests="1" time="0.000"> + <testcase classname="__main__.TestTest" name="test_foo" time="0.000"> + <error type="exceptions.IndexError">Foobar</error> + </testcase> + <system-out><![CDATA[]]></system-out> + <system-err><![CDATA[]]></system-err> +</testsuite> +""") + + def test_stdout_capture(self): + """Regression test: Check whether a test run with output to stdout + matches a previous run. + + """ + class TestTest(unittest.TestCase): + def test_foo(self): + sys.stdout.write("Test\n") + self._try_test_run(TestTest, """<testsuite errors="0" failures="0" name="unittest.TestSuite" tests="1" time="0.000"> + <testcase classname="__main__.TestTest" name="test_foo" time="0.000"></testcase> + <system-out><![CDATA[Test +]]></system-out> + <system-err><![CDATA[]]></system-err> +</testsuite> +""") + + def test_stderr_capture(self): + """Regression test: Check whether a test run with output to stderr + matches a previous run. + + """ + class TestTest(unittest.TestCase): + def test_foo(self): + sys.stderr.write("Test\n") + self._try_test_run(TestTest, """<testsuite errors="0" failures="0" name="unittest.TestSuite" tests="1" time="0.000"> + <testcase classname="__main__.TestTest" name="test_foo" time="0.000"></testcase> + <system-out><![CDATA[]]></system-out> + <system-err><![CDATA[Test +]]></system-err> +</testsuite> +""") + + class NullStream(object): + """A file-like object that discards everything written to it.""" + def write(self, buffer): + pass + + def test_unittests_changing_stdout(self): + """Check whether the XMLTestRunner recovers gracefully from unit tests + that change stdout, but don't change it back properly. + + """ + class TestTest(unittest.TestCase): + def test_foo(self): + sys.stdout = XMLTestRunnerTest.NullStream() + + runner = XMLTestRunner(self._stream) + runner.run(unittest.makeSuite(TestTest)) + + def test_unittests_changing_stderr(self): + """Check whether the XMLTestRunner recovers gracefully from unit tests + that change stderr, but don't change it back properly. + + """ + class TestTest(unittest.TestCase): + def test_foo(self): + sys.stderr = XMLTestRunnerTest.NullStream() + + runner = XMLTestRunner(self._stream) + runner.run(unittest.makeSuite(TestTest)) + + +if __name__ == "__main__": + unittest.main() |