freebsd-nq/contrib/kyua/engine/scanner_test.cpp
Brooks Davis b0d29bc47d Import the kyua test framework.
Having kyua in the base system will simplify automated testing in CI and
eliminates bootstrapping issues on new platforms.

The build of kyua is controlled by WITH(OUT)_TESTS_SUPPORT.

Reviewed by:	emaste
Obtained from:	CheriBSD
Sponsored by:	DARPA
Differential Revision:	https://reviews.freebsd.org/D24103
2020-03-23 19:01:23 +00:00

477 lines
18 KiB
C++

// Copyright 2014 The Kyua Authors.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of Google Inc. nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "engine/scanner.hpp"
#include <cstdarg>
#include <cstddef>
#include <typeinfo>
#include <atf-c++.hpp>
#include "engine/filters.hpp"
#include "model/metadata.hpp"
#include "model/test_case.hpp"
#include "model/test_program.hpp"
#include "utils/format/containers.ipp"
#include "utils/fs/path.hpp"
#include "utils/optional.ipp"
namespace fs = utils::fs;
using utils::optional;
namespace {
/// Test program that implements a mock test_cases() lazy call.
class mock_test_program : public model::test_program {
/// Number of times test_cases has been called.
mutable std::size_t _num_calls;
/// Collection of test cases; lazily initialized.
mutable model::test_cases_map _test_cases;
public:
/// Constructs a new test program.
///
/// \param binary_ The name of the test program binary relative to root_.
mock_test_program(const fs::path& binary_) :
test_program("unused-interface", binary_, fs::path("unused-root"),
"unused-suite", model::metadata_builder().build(),
model::test_cases_map()),
_num_calls(0)
{
}
/// Gets or loads the list of test cases from the test program.
///
/// \return The list of test cases provided by the test program.
const model::test_cases_map&
test_cases(void) const
{
if (_num_calls == 0) {
const model::metadata metadata = model::metadata_builder().build();
const model::test_case tc1("one", metadata);
const model::test_case tc2("two", metadata);
_test_cases.insert(model::test_cases_map::value_type("one", tc1));
_test_cases.insert(model::test_cases_map::value_type("two", tc2));
}
_num_calls++;
return _test_cases;
}
/// Returns the number of times test_cases() has been called.
///
/// \return A counter.
std::size_t
num_calls(void) const
{
return _num_calls;
}
};
/// Syntactic sugar to instantiate a test program with various test cases.
///
/// The scanner only cares about the relative path of the test program object
/// and the names of the test cases. This function helps in instantiating a
/// test program that has the minimum set of details only.
///
/// \param relative_path Relative path to the test program.
/// \param ... List of test case names to add to the test program. Must be
/// NULL-terminated.
///
/// \return A constructed test program.
static model::test_program_ptr
new_test_program(const char* relative_path, ...)
{
model::test_program_builder builder(
"unused-interface", fs::path(relative_path), fs::path("unused-root"),
"unused-suite");
va_list ap;
va_start(ap, relative_path);
const char* test_case_name;
while ((test_case_name = va_arg(ap, const char*)) != NULL) {
builder.add_test_case(test_case_name);
}
va_end(ap);
return builder.build_ptr();
}
/// Yields all test cases in the scanner for simplicity of testing.
///
/// In most of the tests below, we just care about the scanner returning the
/// full set of matching test cases, not the specific behavior of every single
/// yield() call. This function just returns the whole set, which helps in
/// writing functional tests.
///
/// \param scanner The scanner on which to iterate.
///
/// \return The full collection of results yielded by the scanner.
static std::set< engine::scan_result >
yield_all(engine::scanner& scanner)
{
std::set< engine::scan_result > results;
while (!scanner.done()) {
const optional< engine::scan_result > result = scanner.yield();
ATF_REQUIRE(result);
results.insert(result.get());
}
ATF_REQUIRE(!scanner.yield());
ATF_REQUIRE(scanner.done());
return results;
}
} // anonymous namespace
ATF_TEST_CASE_WITHOUT_HEAD(scanner__no_filters__no_tests);
ATF_TEST_CASE_BODY(scanner__no_filters__no_tests)
{
const model::test_programs_vector test_programs;
const std::set< engine::test_filter > filters;
engine::scanner scanner(test_programs, filters);
ATF_REQUIRE(scanner.done());
ATF_REQUIRE(!scanner.yield());
ATF_REQUIRE(scanner.unused_filters().empty());
}
ATF_TEST_CASE_WITHOUT_HEAD(scanner__no_filters__one_test_in_one_program);
ATF_TEST_CASE_BODY(scanner__no_filters__one_test_in_one_program)
{
const model::test_program_ptr test_program = new_test_program(
"dir/program", "lone_test", NULL);
model::test_programs_vector test_programs;
test_programs.push_back(test_program);
const std::set< engine::test_filter > filters;
std::set< engine::scan_result > exp_results;
exp_results.insert(engine::scan_result(test_program, "lone_test"));
engine::scanner scanner(test_programs, filters);
const std::set< engine::scan_result > results = yield_all(scanner);
ATF_REQUIRE_EQ(exp_results, results);
ATF_REQUIRE(scanner.unused_filters().empty());
}
ATF_TEST_CASE_WITHOUT_HEAD(scanner__no_filters__one_test_per_many_programs);
ATF_TEST_CASE_BODY(scanner__no_filters__one_test_per_many_programs)
{
const model::test_program_ptr test_program1 = new_test_program(
"dir/program1", "foo_test", NULL);
const model::test_program_ptr test_program2 = new_test_program(
"program2", "bar_test", NULL);
const model::test_program_ptr test_program3 = new_test_program(
"a/b/c/d/e/program3", "baz_test", NULL);
model::test_programs_vector test_programs;
test_programs.push_back(test_program1);
test_programs.push_back(test_program2);
test_programs.push_back(test_program3);
const std::set< engine::test_filter > filters;
std::set< engine::scan_result > exp_results;
exp_results.insert(engine::scan_result(test_program1, "foo_test"));
exp_results.insert(engine::scan_result(test_program2, "bar_test"));
exp_results.insert(engine::scan_result(test_program3, "baz_test"));
engine::scanner scanner(test_programs, filters);
const std::set< engine::scan_result > results = yield_all(scanner);
ATF_REQUIRE_EQ(exp_results, results);
ATF_REQUIRE(scanner.unused_filters().empty());
}
ATF_TEST_CASE_WITHOUT_HEAD(scanner__no_filters__many_tests_in_one_program);
ATF_TEST_CASE_BODY(scanner__no_filters__many_tests_in_one_program)
{
const model::test_program_ptr test_program = new_test_program(
"dir/program", "first_test", "second_test", "third_test", NULL);
model::test_programs_vector test_programs;
test_programs.push_back(test_program);
const std::set< engine::test_filter > filters;
std::set< engine::scan_result > exp_results;
exp_results.insert(engine::scan_result(test_program, "first_test"));
exp_results.insert(engine::scan_result(test_program, "second_test"));
exp_results.insert(engine::scan_result(test_program, "third_test"));
engine::scanner scanner(test_programs, filters);
const std::set< engine::scan_result > results = yield_all(scanner);
ATF_REQUIRE_EQ(exp_results, results);
ATF_REQUIRE(scanner.unused_filters().empty());
}
ATF_TEST_CASE_WITHOUT_HEAD(scanner__no_filters__many_tests_per_many_programs);
ATF_TEST_CASE_BODY(scanner__no_filters__many_tests_per_many_programs)
{
const model::test_program_ptr test_program1 = new_test_program(
"dir/program1", "foo_test", "bar_test", "baz_test", NULL);
const model::test_program_ptr test_program2 = new_test_program(
"program2", "lone_test", NULL);
const model::test_program_ptr test_program3 = new_test_program(
"a/b/c/d/e/program3", "another_test", "last_test", NULL);
model::test_programs_vector test_programs;
test_programs.push_back(test_program1);
test_programs.push_back(test_program2);
test_programs.push_back(test_program3);
const std::set< engine::test_filter > filters;
std::set< engine::scan_result > exp_results;
exp_results.insert(engine::scan_result(test_program1, "foo_test"));
exp_results.insert(engine::scan_result(test_program1, "bar_test"));
exp_results.insert(engine::scan_result(test_program1, "baz_test"));
exp_results.insert(engine::scan_result(test_program2, "lone_test"));
exp_results.insert(engine::scan_result(test_program3, "another_test"));
exp_results.insert(engine::scan_result(test_program3, "last_test"));
engine::scanner scanner(test_programs, filters);
const std::set< engine::scan_result > results = yield_all(scanner);
ATF_REQUIRE_EQ(exp_results, results);
ATF_REQUIRE(scanner.unused_filters().empty());
}
ATF_TEST_CASE_WITHOUT_HEAD(scanner__no_filters__verify_lazy_loads);
ATF_TEST_CASE_BODY(scanner__no_filters__verify_lazy_loads)
{
const model::test_program_ptr test_program1(new mock_test_program(
fs::path("first")));
const mock_test_program* mock_program1 =
dynamic_cast< const mock_test_program* >(test_program1.get());
const model::test_program_ptr test_program2(new mock_test_program(
fs::path("second")));
const mock_test_program* mock_program2 =
dynamic_cast< const mock_test_program* >(test_program2.get());
model::test_programs_vector test_programs;
test_programs.push_back(test_program1);
test_programs.push_back(test_program2);
const std::set< engine::test_filter > filters;
std::set< engine::scan_result > exp_results;
exp_results.insert(engine::scan_result(test_program1, "one"));
exp_results.insert(engine::scan_result(test_program1, "two"));
exp_results.insert(engine::scan_result(test_program2, "one"));
exp_results.insert(engine::scan_result(test_program2, "two"));
engine::scanner scanner(test_programs, filters);
std::set< engine::scan_result > results;
ATF_REQUIRE_EQ(0, mock_program1->num_calls());
ATF_REQUIRE_EQ(0, mock_program2->num_calls());
// This abuses the internal implementation of the scanner by making
// assumptions on the order of the results.
results.insert(scanner.yield().get());
ATF_REQUIRE_EQ(1, mock_program1->num_calls());
ATF_REQUIRE_EQ(0, mock_program2->num_calls());
results.insert(scanner.yield().get());
ATF_REQUIRE_EQ(1, mock_program1->num_calls());
ATF_REQUIRE_EQ(0, mock_program2->num_calls());
results.insert(scanner.yield().get());
ATF_REQUIRE_EQ(1, mock_program1->num_calls());
ATF_REQUIRE_EQ(1, mock_program2->num_calls());
results.insert(scanner.yield().get());
ATF_REQUIRE_EQ(1, mock_program1->num_calls());
ATF_REQUIRE_EQ(1, mock_program2->num_calls());
ATF_REQUIRE(scanner.done());
ATF_REQUIRE_EQ(exp_results, results);
ATF_REQUIRE(scanner.unused_filters().empty());
// Make sure we are still talking to the original objects.
for (std::set< engine::scan_result >::const_iterator iter = results.begin();
iter != results.end(); ++iter) {
const mock_test_program* mock_program =
dynamic_cast< const mock_test_program* >((*iter).first.get());
ATF_REQUIRE_EQ(1, mock_program->num_calls());
}
}
ATF_TEST_CASE_WITHOUT_HEAD(scanner__with_filters__no_tests);
ATF_TEST_CASE_BODY(scanner__with_filters__no_tests)
{
const model::test_programs_vector test_programs;
std::set< engine::test_filter > filters;
filters.insert(engine::test_filter(fs::path("foo"), "bar"));
engine::scanner scanner(test_programs, filters);
ATF_REQUIRE(scanner.done());
ATF_REQUIRE(!scanner.yield());
ATF_REQUIRE_EQ(filters, scanner.unused_filters());
}
ATF_TEST_CASE_WITHOUT_HEAD(scanner__with_filters__no_matches);
ATF_TEST_CASE_BODY(scanner__with_filters__no_matches)
{
const model::test_program_ptr test_program1 = new_test_program(
"dir/program1", "foo_test", "bar_test", "baz_test", NULL);
const model::test_program_ptr test_program2 = new_test_program(
"dir/program2", "bar_test", NULL);
const model::test_program_ptr test_program3 = new_test_program(
"program3", "another_test", "last_test", NULL);
model::test_programs_vector test_programs;
test_programs.push_back(test_program1);
test_programs.push_back(test_program2);
test_programs.push_back(test_program3);
std::set< engine::test_filter > filters;
filters.insert(engine::test_filter(fs::path("dir/program2"), "baz_test"));
filters.insert(engine::test_filter(fs::path("program4"), "another_test"));
filters.insert(engine::test_filter(fs::path("dir/program3"), ""));
const std::set< engine::scan_result > exp_results;
engine::scanner scanner(test_programs, filters);
const std::set< engine::scan_result > results = yield_all(scanner);
ATF_REQUIRE_EQ(exp_results, results);
ATF_REQUIRE_EQ(filters, scanner.unused_filters());
}
ATF_TEST_CASE_WITHOUT_HEAD(scanner__with_filters__some_matches);
ATF_TEST_CASE_BODY(scanner__with_filters__some_matches)
{
const model::test_program_ptr test_program1 = new_test_program(
"dir/program1", "foo_test", "bar_test", "baz_test", NULL);
const model::test_program_ptr test_program2 = new_test_program(
"dir/program2", "bar_test", NULL);
const model::test_program_ptr test_program3 = new_test_program(
"program3", "another_test", "last_test", NULL);
const model::test_program_ptr test_program4 = new_test_program(
"program4", "more_test", NULL);
model::test_programs_vector test_programs;
test_programs.push_back(test_program1);
test_programs.push_back(test_program2);
test_programs.push_back(test_program3);
test_programs.push_back(test_program4);
std::set< engine::test_filter > filters;
filters.insert(engine::test_filter(fs::path("dir/program1"), "baz_test"));
filters.insert(engine::test_filter(fs::path("dir/program2"), "foo_test"));
filters.insert(engine::test_filter(fs::path("program3"), ""));
std::set< engine::test_filter > exp_filters;
exp_filters.insert(engine::test_filter(fs::path("dir/program2"),
"foo_test"));
std::set< engine::scan_result > exp_results;
exp_results.insert(engine::scan_result(test_program1, "baz_test"));
exp_results.insert(engine::scan_result(test_program3, "another_test"));
exp_results.insert(engine::scan_result(test_program3, "last_test"));
engine::scanner scanner(test_programs, filters);
const std::set< engine::scan_result > results = yield_all(scanner);
ATF_REQUIRE_EQ(exp_results, results);
ATF_REQUIRE_EQ(exp_filters, scanner.unused_filters());
}
ATF_TEST_CASE_WITHOUT_HEAD(scanner__with_filters__verify_lazy_loads);
ATF_TEST_CASE_BODY(scanner__with_filters__verify_lazy_loads)
{
const model::test_program_ptr test_program1(new mock_test_program(
fs::path("first")));
const mock_test_program* mock_program1 =
dynamic_cast< const mock_test_program* >(test_program1.get());
const model::test_program_ptr test_program2(new mock_test_program(
fs::path("second")));
const mock_test_program* mock_program2 =
dynamic_cast< const mock_test_program* >(test_program2.get());
model::test_programs_vector test_programs;
test_programs.push_back(test_program1);
test_programs.push_back(test_program2);
std::set< engine::test_filter > filters;
filters.insert(engine::test_filter(fs::path("first"), ""));
std::set< engine::scan_result > exp_results;
exp_results.insert(engine::scan_result(test_program1, "one"));
exp_results.insert(engine::scan_result(test_program1, "two"));
engine::scanner scanner(test_programs, filters);
std::set< engine::scan_result > results;
ATF_REQUIRE_EQ(0, mock_program1->num_calls());
ATF_REQUIRE_EQ(0, mock_program2->num_calls());
results.insert(scanner.yield().get());
ATF_REQUIRE_EQ(1, mock_program1->num_calls());
ATF_REQUIRE_EQ(0, mock_program2->num_calls());
results.insert(scanner.yield().get());
ATF_REQUIRE_EQ(1, mock_program1->num_calls());
ATF_REQUIRE_EQ(0, mock_program2->num_calls());
ATF_REQUIRE(scanner.done());
ATF_REQUIRE_EQ(exp_results, results);
ATF_REQUIRE(scanner.unused_filters().empty());
ATF_REQUIRE_EQ(1, mock_program1->num_calls());
ATF_REQUIRE_EQ(0, mock_program2->num_calls());
}
ATF_INIT_TEST_CASES(tcs)
{
ATF_ADD_TEST_CASE(tcs, scanner__no_filters__no_tests);
ATF_ADD_TEST_CASE(tcs, scanner__no_filters__one_test_in_one_program);
ATF_ADD_TEST_CASE(tcs, scanner__no_filters__one_test_per_many_programs);
ATF_ADD_TEST_CASE(tcs, scanner__no_filters__many_tests_in_one_program);
ATF_ADD_TEST_CASE(tcs, scanner__no_filters__many_tests_per_many_programs);
ATF_ADD_TEST_CASE(tcs, scanner__no_filters__verify_lazy_loads);
ATF_ADD_TEST_CASE(tcs, scanner__with_filters__no_tests);
ATF_ADD_TEST_CASE(tcs, scanner__with_filters__no_matches);
ATF_ADD_TEST_CASE(tcs, scanner__with_filters__some_matches);
ATF_ADD_TEST_CASE(tcs, scanner__with_filters__verify_lazy_loads);
}