@Test
public void testSimple_50_50() {
testDefinition.setSalt(testName);
final StandardTestChooser chooser = newChooser();
exerciseChooser(chooser);
// uncomment this if you need to recompute these values
// for (int i = 0; i < counts.length; i++) System.err.println(i + ": " + counts[i] + " /
// " + hashes[i]);
// if this ever fails, it means that something is broken about how tests are split
// and you should investigate why!
Assert.assertEquals("bucket0 counts", 4999412, counts[0]);
Assert.assertEquals("bucket1 counts", 5000587, counts[1]);
Assert.assertEquals("bucket0 hash", 1863060514, hashes[0]);
Assert.assertEquals("bucket1 hash", 765061458, hashes[1]);
}
@Test
public void test_50_50_withMagicTestSalt() {
// Now change the spec version and reevaluate
testDefinition.setSalt("&" + testName);
final StandardTestChooser chooser = newChooser();
exerciseChooser(chooser);
// uncomment this if you need to recompute these values
// for (int i = 0; i < counts.length; i++) System.err.println(i + ": " + counts[i] + " /
// " + hashes[i]);
// if this ever fails, it means that something is broken about how tests are split
// and you should investigate why!
Assert.assertEquals("bucket0 counts", COUNTS_BUCKET0_SALT_AMP_TESTNAME, counts[0]);
Assert.assertEquals("bucket1 counts", COUNTS_BUCKET1_SALT_AMP_TESTNAME, counts[1]);
Assert.assertEquals("bucket0 hash", HASH_BUCKET0_SALT_AMP_TESTNAME, hashes[0]);
Assert.assertEquals("bucket1 hash", HASH_BUCKET1_SALT_AMP_TESTNAME, hashes[1]);
}
@Before
public void setupMocks() throws Exception {
expressionFactory = new ExpressionFactoryImpl();
functionMapper = RuleEvaluator.FUNCTION_MAPPER;
testName = "testName";
final List<TestBucket> buckets =
ImmutableList.of(
new TestBucket("inactive", -1, "zoot", null),
new TestBucket("control", 0, "zoot", null),
new TestBucket("test", 1, "zoot", null));
testDefinition = new ConsumableTestDefinition();
testDefinition.setConstants(Collections.<String, Object>emptyMap());
testDefinition.setTestType(TestType.AUTHENTICATED_USER);
// most tests just set the salt to be the same as the test name
testDefinition.setSalt(testName);
testDefinition.setBuckets(buckets);
updateAllocations(RANGES_50_50);
final int effBuckets = buckets.size() - 1;
counts = new int[effBuckets];
hashes = new int[effBuckets];
}
@Test
public void test50_50_withMagicTestSalt_and_unrelatedTestName() {
final String originalTestName = testName;
testName = "someOtherTestName";
testDefinition.setSalt("&" + originalTestName);
final StandardTestChooser chooser = newChooser();
exerciseChooser(chooser);
// uncomment this if you need to recompute these values
// for (int i = 0; i < counts.length; i++) System.err.println(i + ": " + counts[i] + " /
// " + hashes[i]);
// if this ever fails, it means that something is broken about how tests are split
// and you should investigate why!
// These values should be the same as in the preceding test
Assert.assertEquals("bucket0 counts", COUNTS_BUCKET0_SALT_AMP_TESTNAME, counts[0]);
Assert.assertEquals("bucket1 counts", COUNTS_BUCKET1_SALT_AMP_TESTNAME, counts[1]);
Assert.assertEquals("bucket0 hash", HASH_BUCKET0_SALT_AMP_TESTNAME, hashes[0]);
Assert.assertEquals("bucket1 hash", HASH_BUCKET1_SALT_AMP_TESTNAME, hashes[1]);
}
@Test
public void testExceptionsDealtWith() {
final String testName = "test";
final ConsumableTestDefinition testDefinition = new ConsumableTestDefinition();
testDefinition.setConstants(Collections.<String, Object>emptyMap());
testDefinition.setRule("${lang == 'en'}");
testDefinition.setTestType(TestType.ANONYMOUS_USER);
// most tests just set the salt to be the same as the test name
testDefinition.setSalt(testName);
testDefinition.setBuckets(Collections.<TestBucket>emptyList());
final RuleEvaluator ruleEvaluator = EasyMock.createMock(RuleEvaluator.class);
EasyMock.expect(
ruleEvaluator.evaluateBooleanRule(
EasyMock.<String>anyObject(), EasyMock.<Map<String, Object>>anyObject()))
// throw an unexpected type of runtime exception
.andThrow(new RuntimeException() {})
// Must be evaluated, or this was not a valid test
.once();
EasyMock.replay(ruleEvaluator);
final TestRangeSelector selector =
new TestRangeSelector(ruleEvaluator, testName, testDefinition);
// Ensure no exceptions thrown.
final TestBucket bucket =
new StandardTestChooser(selector)
.choose("identifier", Collections.<String, Object>emptyMap());
assertEquals("Expected no bucket to be found ", null, bucket);
EasyMock.verify(ruleEvaluator);
}