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Merge pull request #3615 from IYP-Programer-Yeah:fix-per-test-filter-processing

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PiperOrigin-RevId: 423326942
Change-Id: I913f31960d7917b176c9f390424630708473837a
This commit is contained in:
Copybara-Service 2022-01-21 08:18:49 -08:00
commit 3d81736c97
1 changed files with 95 additions and 52 deletions
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147
googletest/src/gtest.cc
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@ -725,60 +725,101 @@ static bool PatternMatchesString(const std::string& name_str,
return true;
}
namespace {
class UnitTestFilter {
public:
UnitTestFilter() = default;
// Constructs a filter from a string of patterns separated by `:`.
explicit UnitTestFilter(const std::string& filter) {
// By design "" filter matches "" string.
SplitString(filter, ':', &patterns_);
}
// Returns true if and only if name matches at least one of the patterns in
// the filter.
bool MatchesName(const std::string& name) const {
return std::any_of(patterns_.begin(), patterns_.end(),
[&name](const std::string& pattern) {
return PatternMatchesString(
name, pattern.c_str(),
pattern.c_str() + pattern.size());
});
}
private:
std::vector<std::string> patterns_;
};
class PositiveAndNegativeUnitTestFilter {
public:
// Constructs a positive and a negative filter from a string. The string
// contains a positive filter optionally followed by a '-' character and a
// negative filter. In case only a negative filter is provided the positive
// filter will be assumed "*".
// A filter is a list of patterns separated by ':'.
explicit PositiveAndNegativeUnitTestFilter(const std::string& filter) {
std::vector<std::string> positive_and_negative_filters;
// NOTE: `SplitString` always returns a non-empty container.
SplitString(filter, '-', &positive_and_negative_filters);
const auto& positive_filter = positive_and_negative_filters.front();
if (positive_and_negative_filters.size() > 1) {
positive_filter_ = UnitTestFilter(
positive_filter.empty() ? kUniversalFilter : positive_filter);
// TODO(b/214626361): Fail on multiple '-' characters
// For the moment to preserve old behavior we concatenate the rest of the
// string parts with `-` as separator to generate the negative filter.
auto negative_filter_string = positive_and_negative_filters[1];
for (std::size_t i = 2; i < positive_and_negative_filters.size(); i++)
negative_filter_string =
negative_filter_string + '-' + positive_and_negative_filters[i];
negative_filter_ = UnitTestFilter(negative_filter_string);
} else {
// In case we don't have a negative filter and positive filter is ""
// we do not use kUniversalFilter by design as opposed to when we have a
// negative filter.
positive_filter_ = UnitTestFilter(positive_filter);
}
}
// Returns true if and only if test name (this is generated by appending test
// suit name and test name via a '.' character) matches the positive filter
// and does not match the negative filter.
bool MatchesTest(const std::string& test_suite_name,
const std::string& test_name) const {
return MatchesName(test_suite_name + "." + test_name);
}
// Returns true if and only if name matches the positive filter and does not
// match the negative filter.
bool MatchesName(const std::string& name) const {
return positive_filter_.MatchesName(name) &&
!negative_filter_.MatchesName(name);
}
private:
UnitTestFilter positive_filter_;
UnitTestFilter negative_filter_;
};
} // namespace
bool UnitTestOptions::MatchesFilter(const std::string& name_str,
const char* filter) {
// The filter is a list of patterns separated by colons (:).
const char* pattern = filter;
while (true) {
// Find the bounds of this pattern.
const char* const next_sep = strchr(pattern, ':');
const char* const pattern_end =
next_sep != nullptr ? next_sep : pattern + strlen(pattern);
// Check if this pattern matches name_str.
if (PatternMatchesString(name_str, pattern, pattern_end)) {
return true;
}
// Give up on this pattern. However, if we found a pattern separator (:),
// advance to the next pattern (skipping over the separator) and restart.
if (next_sep == nullptr) {
return false;
}
pattern = next_sep + 1;
}
return true;
return UnitTestFilter(filter).MatchesName(name_str);
}
// Returns true if and only if the user-specified filter matches the test
// suite name and the test name.
bool UnitTestOptions::FilterMatchesTest(const std::string& test_suite_name,
const std::string& test_name) {
const std::string& full_name = test_suite_name + "." + test_name.c_str();
// Split --gtest_filter at '-', if there is one, to separate into
// positive filter and negative filter portions
std::string str = GTEST_FLAG_GET(filter);
const char* const p = str.c_str();
const char* const dash = strchr(p, '-');
std::string positive;
std::string negative;
if (dash == nullptr) {
positive = str.c_str(); // Whole string is a positive filter
negative = "";
} else {
positive = std::string(p, dash); // Everything up to the dash
negative = std::string(dash + 1); // Everything after the dash
if (positive.empty()) {
// Treat '-test1' as the same as '*-test1'
positive = kUniversalFilter;
}
}
// A filter is a colon-separated list of patterns. It matches a
// test if any pattern in it matches the test.
return (MatchesFilter(full_name, positive.c_str()) &&
!MatchesFilter(full_name, negative.c_str()));
return PositiveAndNegativeUnitTestFilter(GTEST_FLAG_GET(filter))
.MatchesTest(test_suite_name, test_name);
}
#if GTEST_HAS_SEH
@ -5719,9 +5760,9 @@ TestSuite* UnitTestImpl::GetTestSuite(
auto* const new_test_suite =
new TestSuite(test_suite_name, type_param, set_up_tc, tear_down_tc);
const UnitTestFilter death_test_suite_filter(kDeathTestSuiteFilter);
// Is this a death test suite?
if (internal::UnitTestOptions::MatchesFilter(test_suite_name,
kDeathTestSuiteFilter)) {
if (death_test_suite_filter.MatchesName(test_suite_name)) {
// Yes. Inserts the test suite after the last death test suite
// defined so far. This only works when the test suites haven't
// been shuffled. Otherwise we may end up running a death test
@ -6054,6 +6095,9 @@ int UnitTestImpl::FilterTests(ReactionToSharding shard_tests) {
const int32_t shard_index = shard_tests == HONOR_SHARDING_PROTOCOL ?
Int32FromEnvOrDie(kTestShardIndex, -1) : -1;
const PositiveAndNegativeUnitTestFilter gtest_flag_filter(
GTEST_FLAG_GET(filter));
const UnitTestFilter disable_test_filter(kDisableTestFilter);
// num_runnable_tests are the number of tests that will
// run across all shards (i.e., match filter and are not disabled).
// num_selected_tests are the number of tests to be run on
@ -6069,14 +6113,13 @@ int UnitTestImpl::FilterTests(ReactionToSharding shard_tests) {
const std::string test_name(test_info->name());
// A test is disabled if test suite name or test name matches
// kDisableTestFilter.
const bool is_disabled = internal::UnitTestOptions::MatchesFilter(
test_suite_name, kDisableTestFilter) ||
internal::UnitTestOptions::MatchesFilter(
test_name, kDisableTestFilter);
const bool is_disabled =
disable_test_filter.MatchesName(test_suite_name) ||
disable_test_filter.MatchesName(test_name);
test_info->is_disabled_ = is_disabled;
const bool matches_filter = internal::UnitTestOptions::FilterMatchesTest(
test_suite_name, test_name);
const bool matches_filter =
gtest_flag_filter.MatchesTest(test_suite_name, test_name);
test_info->matches_filter_ = matches_filter;
const bool is_runnable =