DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Mercurial (5b81998bb7ab)

VCS Links

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450
#!/usr/bin/env python
#
# Any copyright is dedicated to the Public Domain.
# http://creativecommons.org/publicdomain/zero/1.0/
#

from __future__ import with_statement
import sys, os, unittest, tempfile, shutil
from StringIO import StringIO
from xml.etree.ElementTree import ElementTree

from runxpcshelltests import XPCShellTests

objdir = os.path.abspath(os.environ["OBJDIR"])
xpcshellBin = os.path.join(objdir, "dist", "bin", "xpcshell")
if sys.platform == "win32":
    xpcshellBin += ".exe"

SIMPLE_PASSING_TEST = "function run_test() { do_check_true(true); }"
SIMPLE_FAILING_TEST = "function run_test() { do_check_true(false); }"

ADD_TEST_SIMPLE = '''
function run_test() { run_next_test(); }

add_test(function test_simple() {
  do_check_true(true);
  run_next_test();
});
'''

ADD_TEST_FAILING = '''
function run_test() { run_next_test(); }

add_test(function test_failing() {
  do_check_true(false);
  run_next_test();
});
'''

ADD_TASK_SINGLE = '''
Components.utils.import("resource://gre/modules/commonjs/sdk/core/promise.js");

function run_test() { run_next_test(); }

add_task(function test_task() {
  yield Promise.resolve(true);
  yield Promise.resolve(false);
});
'''

ADD_TASK_MULTIPLE = '''
Components.utils.import("resource://gre/modules/commonjs/sdk/core/promise.js");

function run_test() { run_next_test(); }

add_task(function test_task() {
  yield Promise.resolve(true);
});

add_task(function test_2() {
  yield Promise.resolve(true);
});
'''

ADD_TASK_REJECTED = '''
Components.utils.import("resource://gre/modules/commonjs/sdk/core/promise.js");

function run_test() { run_next_test(); }

add_task(function test_failing() {
  yield Promise.reject(new Error("I fail."));
});
'''

ADD_TASK_FAILURE_INSIDE = '''
Components.utils.import("resource://gre/modules/commonjs/sdk/core/promise.js");

function run_test() { run_next_test(); }

add_task(function test() {
  let result = yield Promise.resolve(false);

  do_check_true(result);
});
'''

class XPCShellTestsTests(unittest.TestCase):
    """
    Yes, these are unit tests for a unit test harness.
    """
    def setUp(self):
        self.log = StringIO()
        self.tempdir = tempfile.mkdtemp()
        self.x = XPCShellTests(log=self.log)

    def tearDown(self):
        shutil.rmtree(self.tempdir)

    def writeFile(self, name, contents):
        """
        Write |contents| to a file named |name| in the temp directory,
        and return the full path to the file.
        """
        fullpath = os.path.join(self.tempdir, name)
        with open(fullpath, "w") as f:
            f.write(contents)
        return fullpath

    def writeManifest(self, tests):
        """
        Write an xpcshell.ini in the temp directory and set
        self.manifest to its pathname. |tests| is a list containing
        either strings (for test names), or tuples with a test name
        as the first element and manifest conditions as the following
        elements.
        """
        testlines = []
        for t in tests:
            testlines.append("[%s]" % (t if isinstance(t, basestring)
                                       else t[0]))
            if isinstance(t, tuple):
                testlines.extend(t[1:])
        self.manifest = self.writeFile("xpcshell.ini", """
[DEFAULT]
head =
tail =

""" + "\n".join(testlines))

    def assertTestResult(self, expected, shuffle=False, xunitFilename=None):
        """
        Assert that self.x.runTests with manifest=self.manifest
        returns |expected|.
        """
        self.assertEquals(expected,
                          self.x.runTests(xpcshellBin,
                                          manifest=self.manifest,
                                          mozInfo={},
                                          shuffle=shuffle,
                                          testsRootDir=self.tempdir,
                                          xunitFilename=xunitFilename),
                          msg="""Tests should have %s, log:
========
%s
========
""" % ("passed" if expected else "failed", self.log.getvalue()))

    def _assertLog(self, s, expected):
        l = self.log.getvalue()
        self.assertEqual(expected, s in l,
                         msg="""Value %s %s in log:
========
%s
========""" % (s, "expected" if expected else "not expected", l))

    def assertInLog(self, s):
        """
        Assert that the string |s| is contained in self.log.
        """
        self._assertLog(s, True)

    def assertNotInLog(self, s):
        """
        Assert that the string |s| is not contained in self.log.
        """
        self._assertLog(s, False)

    def testPass(self):
        """
        Check that a simple test without any manifest conditions passes.
        """
        self.writeFile("test_basic.js", SIMPLE_PASSING_TEST)
        self.writeManifest(["test_basic.js"])

        self.assertTestResult(True)
        self.assertEquals(1, self.x.testCount)
        self.assertEquals(1, self.x.passCount)
        self.assertEquals(0, self.x.failCount)
        self.assertEquals(0, self.x.todoCount)
        self.assertInLog("TEST-PASS")
        self.assertNotInLog("TEST-UNEXPECTED-FAIL")

    def testFail(self):
        """
        Check that a simple failing test without any manifest conditions fails.
        """
        self.writeFile("test_basic.js", SIMPLE_FAILING_TEST)
        self.writeManifest(["test_basic.js"])

        self.assertTestResult(False)
        self.assertEquals(1, self.x.testCount)
        self.assertEquals(0, self.x.passCount)
        self.assertEquals(1, self.x.failCount)
        self.assertEquals(0, self.x.todoCount)
        self.assertInLog("TEST-UNEXPECTED-FAIL")
        self.assertNotInLog("TEST-PASS")

    def testPassFail(self):
        """
        Check that running more than one test works.
        """
        self.writeFile("test_pass.js", SIMPLE_PASSING_TEST)
        self.writeFile("test_fail.js", SIMPLE_FAILING_TEST)
        self.writeManifest(["test_pass.js", "test_fail.js"])

        self.assertTestResult(False)
        self.assertEquals(2, self.x.testCount)
        self.assertEquals(1, self.x.passCount)
        self.assertEquals(1, self.x.failCount)
        self.assertEquals(0, self.x.todoCount)
        self.assertInLog("TEST-PASS")
        self.assertInLog("TEST-UNEXPECTED-FAIL")

    def testSkip(self):
        """
        Check that a simple failing test skipped in the manifest does
        not cause failure.
        """
        self.writeFile("test_basic.js", SIMPLE_FAILING_TEST)
        self.writeManifest([("test_basic.js", "skip-if = true")])
        self.assertTestResult(True)
        self.assertEquals(1, self.x.testCount)
        self.assertEquals(0, self.x.passCount)
        self.assertEquals(0, self.x.failCount)
        self.assertEquals(0, self.x.todoCount)
        self.assertNotInLog("TEST-UNEXPECTED-FAIL")
        self.assertNotInLog("TEST-PASS")

    def testKnownFail(self):
        """
        Check that a simple failing test marked as known-fail in the manifest
        does not cause failure.
        """
        self.writeFile("test_basic.js", SIMPLE_FAILING_TEST)
        self.writeManifest([("test_basic.js", "fail-if = true")])
        self.assertTestResult(True)
        self.assertEquals(1, self.x.testCount)
        self.assertEquals(0, self.x.passCount)
        self.assertEquals(0, self.x.failCount)
        self.assertEquals(1, self.x.todoCount)
        self.assertInLog("TEST-KNOWN-FAIL")
        # This should be suppressed because the harness doesn't include
        # the full log from the xpcshell run when things pass.
        self.assertNotInLog("TEST-UNEXPECTED-FAIL")
        self.assertNotInLog("TEST-PASS")

    def testUnexpectedPass(self):
        """
        Check that a simple failing test marked as known-fail in the manifest
        that passes causes an unexpected pass.
        """
        self.writeFile("test_basic.js", SIMPLE_PASSING_TEST)
        self.writeManifest([("test_basic.js", "fail-if = true")])
        self.assertTestResult(False)
        self.assertEquals(1, self.x.testCount)
        self.assertEquals(0, self.x.passCount)
        self.assertEquals(1, self.x.failCount)
        self.assertEquals(0, self.x.todoCount)
        # From the outer (Python) harness
        self.assertInLog("TEST-UNEXPECTED-PASS")
        self.assertNotInLog("TEST-KNOWN-FAIL")
        # From the inner (JS) harness
        self.assertInLog("TEST-PASS")

    def testReturnNonzero(self):
        """
        Check that a test where xpcshell returns nonzero fails.
        """
        self.writeFile("test_error.js", "throw 'foo'")
        self.writeManifest(["test_error.js"])

        self.assertTestResult(False)
        self.assertEquals(1, self.x.testCount)
        self.assertEquals(0, self.x.passCount)
        self.assertEquals(1, self.x.failCount)
        self.assertEquals(0, self.x.todoCount)
        self.assertInLog("TEST-UNEXPECTED-FAIL")
        self.assertNotInLog("TEST-PASS")

    def testAddTestSimple(self):
        """
        Ensure simple add_test() works.
        """
        self.writeFile("test_add_test_simple.js", ADD_TEST_SIMPLE)
        self.writeManifest(["test_add_test_simple.js"])

        self.assertTestResult(True)
        self.assertEquals(1, self.x.testCount)
        self.assertEquals(1, self.x.passCount)
        self.assertEquals(0, self.x.failCount)

    def testAddTestFailing(self):
        """
        Ensure add_test() with a failing test is reported.
        """
        self.writeFile("test_add_test_failing.js", ADD_TEST_FAILING)
        self.writeManifest(["test_add_test_failing.js"])

        self.assertTestResult(False)
        self.assertEquals(1, self.x.testCount)
        self.assertEquals(0, self.x.passCount)
        self.assertEquals(1, self.x.failCount)

    def testAddTaskTestSingle(self):
        """
        Ensure add_test_task() with a single passing test works.
        """
        self.writeFile("test_add_task_simple.js", ADD_TASK_SINGLE)
        self.writeManifest(["test_add_task_simple.js"])

        self.assertTestResult(True)
        self.assertEquals(1, self.x.testCount)
        self.assertEquals(1, self.x.passCount)
        self.assertEquals(0, self.x.failCount)

    def testAddTaskTestMultiple(self):
        """
        Ensure multiple calls to add_test_task() work as expected.
        """
        self.writeFile("test_add_task_multiple.js",
            ADD_TASK_MULTIPLE)
        self.writeManifest(["test_add_task_multiple.js"])

        self.assertTestResult(True)
        self.assertEquals(1, self.x.testCount)
        self.assertEquals(1, self.x.passCount)
        self.assertEquals(0, self.x.failCount)

    def testAddTaskTestRejected(self):
        """
        Ensure rejected task reports as failure.
        """
        self.writeFile("test_add_task_rejected.js",
            ADD_TASK_REJECTED)
        self.writeManifest(["test_add_task_rejected.js"])

        self.assertTestResult(False)
        self.assertEquals(1, self.x.testCount)
        self.assertEquals(0, self.x.passCount)
        self.assertEquals(1, self.x.failCount)

    def testAddTaskTestFailureInside(self):
        """
        Ensure tests inside task are reported as failures.
        """
        self.writeFile("test_add_task_failure_inside.js",
            ADD_TASK_FAILURE_INSIDE)
        self.writeManifest(["test_add_task_failure_inside.js"])

        self.assertTestResult(False)
        self.assertEquals(1, self.x.testCount)
        self.assertEquals(0, self.x.passCount)
        self.assertEquals(1, self.x.failCount)

    def testMissingHeadFile(self):
        """
        Ensure that missing head file results in fatal error.
        """
        self.writeFile("test_basic.js", SIMPLE_PASSING_TEST)
        self.writeManifest([("test_basic.js", "head = missing.js")])

        raised = False

        try:
            # The actual return value is never checked because we raise.
            self.assertTestResult(True)
        except Exception, ex:
            raised = True
            self.assertEquals(ex.message[0:9], "head file")

        self.assertTrue(raised)

    def testMissingTailFile(self):
        """
        Ensure that missing tail file results in fatal error.
        """
        self.writeFile("test_basic.js", SIMPLE_PASSING_TEST)
        self.writeManifest([("test_basic.js", "tail = missing.js")])

        raised = False

        try:
            self.assertTestResult(True)
        except Exception, ex:
            raised = True
            self.assertEquals(ex.message[0:9], "tail file")

        self.assertTrue(raised)

    def testRandomExecution(self):
        """
        Check that random execution doesn't break.
        """
        manifest = []
        for i in range(0, 10):
            filename = "test_pass_%d.js" % i
            self.writeFile(filename, SIMPLE_PASSING_TEST)
            manifest.append(filename)

        self.writeManifest(manifest)
        self.assertTestResult(True, shuffle=True)
        self.assertEquals(10, self.x.testCount)
        self.assertEquals(10, self.x.passCount)

    def testXunitOutput(self):
        """
        Check that Xunit XML files are written.
        """
        self.writeFile("test_00.js", SIMPLE_PASSING_TEST)
        self.writeFile("test_01.js", SIMPLE_FAILING_TEST)
        self.writeFile("test_02.js", SIMPLE_PASSING_TEST)

        manifest = [
            "test_00.js",
            "test_01.js",
            ("test_02.js", "skip-if = true")
        ]

        self.writeManifest(manifest)

        filename = os.path.join(self.tempdir, "xunit.xml")

        self.assertTestResult(False, xunitFilename=filename)

        self.assertTrue(os.path.exists(filename))
        self.assertTrue(os.path.getsize(filename) > 0)

        tree = ElementTree()
        tree.parse(filename)
        suite = tree.getroot()

        self.assertTrue(suite is not None)
        self.assertEqual(suite.get("tests"), "3")
        self.assertEqual(suite.get("failures"), "1")
        self.assertEqual(suite.get("skip"), "1")

        testcases = suite.findall("testcase")
        self.assertEqual(len(testcases), 3)

        for testcase in testcases:
            attributes = testcase.keys()
            self.assertTrue("classname" in attributes)
            self.assertTrue("name" in attributes)
            self.assertTrue("time" in attributes)

        self.assertTrue(testcases[1].find("failure") is not None)
        self.assertTrue(testcases[2].find("skipped") is not None)

if __name__ == "__main__":
    unittest.main()