intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 360 insertions, 0 deletions

diff --git a/library/cpp/testing/unittest/registar_ut.cpp b/library/cpp/testing/unittest/registar_ut.cpp
new file mode 100644
index 00000000000..aada471030e
--- /dev/null
+++ b/library/cpp/testing/unittest/registar_ut.cpp
@@ -0,0 +1,360 @@
+#include <library/cpp/testing/unittest/registar.h>
+
+Y_UNIT_TEST_SUITE(TUnitTestMacroTest) {
+    Y_UNIT_TEST(Assert) {
+        auto unitAssert = [] {
+            UNIT_ASSERT(false);
+        };
+        UNIT_ASSERT_TEST_FAILS(unitAssert());
+
+        UNIT_ASSERT(true);
+    }
+
+    Y_UNIT_TEST(TypesEqual) {
+        auto typesEqual = [] {
+            UNIT_ASSERT_TYPES_EQUAL(int, long);
+        };
+        UNIT_ASSERT_TEST_FAILS(typesEqual());
+
+        UNIT_ASSERT_TYPES_EQUAL(TString, TString);
+    }
+
+    Y_UNIT_TEST(DoublesEqual) {
+        auto doublesEqual = [](double d1, double d2, double precision) {
+            UNIT_ASSERT_DOUBLES_EQUAL(d1, d2, precision);
+        };
+        UNIT_ASSERT_TEST_FAILS(doublesEqual(0.0, 0.5, 0.1));
+        UNIT_ASSERT_TEST_FAILS(doublesEqual(0.1, -0.1, 0.1));
+
+        UNIT_ASSERT_DOUBLES_EQUAL(0.0, 0.01, 0.1);
+        UNIT_ASSERT_DOUBLES_EQUAL(0.01, 0.0, 0.1);
+
+        constexpr auto nan = std::numeric_limits<double>::quiet_NaN();
+        UNIT_ASSERT_TEST_FAILS(doublesEqual(nan, 0.5, 0.1));
+        UNIT_ASSERT_TEST_FAILS(doublesEqual(0.5, nan, 0.1));
+        UNIT_ASSERT_DOUBLES_EQUAL(nan, nan, 0.1);
+    }
+
+    Y_UNIT_TEST(StringsEqual) {
+        auto stringsEqual = [](auto s1, auto s2) {
+            UNIT_ASSERT_STRINGS_EQUAL(s1, s2);
+        };
+        UNIT_ASSERT_TEST_FAILS(stringsEqual("q", "w"));
+        UNIT_ASSERT_TEST_FAILS(stringsEqual("q", TString("w")));
+        UNIT_ASSERT_TEST_FAILS(stringsEqual(TString("q"), "w"));
+        UNIT_ASSERT_TEST_FAILS(stringsEqual(TString("a"), TString("b")));
+        UNIT_ASSERT_TEST_FAILS(stringsEqual(TString("a"), TStringBuf("b")));
+        UNIT_ASSERT_TEST_FAILS(stringsEqual("a", TStringBuf("b")));
+        UNIT_ASSERT_TEST_FAILS(stringsEqual(TStringBuf("a"), "b"));
+
+        TString empty;
+        TStringBuf emptyBuf;
+        UNIT_ASSERT_STRINGS_EQUAL("", empty);
+        UNIT_ASSERT_STRINGS_EQUAL(empty, emptyBuf);
+        UNIT_ASSERT_STRINGS_EQUAL("", static_cast<const char*>(nullptr));
+    }
+
+    Y_UNIT_TEST(StringContains) {
+        auto stringContains = [](auto s, auto substr) {
+            UNIT_ASSERT_STRING_CONTAINS(s, substr);
+        };
+        UNIT_ASSERT_TEST_FAILS(stringContains("", "a"));
+        UNIT_ASSERT_TEST_FAILS(stringContains("lurkmore", "moar"));
+
+        UNIT_ASSERT_STRING_CONTAINS("", "");
+        UNIT_ASSERT_STRING_CONTAINS("a", "");
+        UNIT_ASSERT_STRING_CONTAINS("failure", "fail");
+        UNIT_ASSERT_STRING_CONTAINS("lurkmore", "more");
+    }
+
+    Y_UNIT_TEST(NoDiff) {
+        auto noDiff = [](auto s1, auto s2) {
+            UNIT_ASSERT_NO_DIFF(s1, s2);
+        };
+        UNIT_ASSERT_TEST_FAILS(noDiff("q", "w"));
+        UNIT_ASSERT_TEST_FAILS(noDiff("q", ""));
+
+        UNIT_ASSERT_NO_DIFF("", "");
+        UNIT_ASSERT_NO_DIFF("a", "a");
+    }
+
+    Y_UNIT_TEST(StringsUnequal) {
+        auto stringsUnequal = [](auto s1, auto s2) {
+            UNIT_ASSERT_STRINGS_UNEQUAL(s1, s2);
+        };
+        UNIT_ASSERT_TEST_FAILS(stringsUnequal("1", "1"));
+        UNIT_ASSERT_TEST_FAILS(stringsUnequal("", ""));
+        UNIT_ASSERT_TEST_FAILS(stringsUnequal("42", TString("42")));
+        UNIT_ASSERT_TEST_FAILS(stringsUnequal(TString("4"), "4"));
+        UNIT_ASSERT_TEST_FAILS(stringsUnequal("d", TStringBuf("d")));
+        UNIT_ASSERT_TEST_FAILS(stringsUnequal(TStringBuf("yandex"), "yandex"));
+        UNIT_ASSERT_TEST_FAILS(stringsUnequal(TStringBuf("index"), TString("index")));
+        UNIT_ASSERT_TEST_FAILS(stringsUnequal(TString("diff"), TStringBuf("diff")));
+
+        UNIT_ASSERT_STRINGS_UNEQUAL("1", "2");
+        UNIT_ASSERT_STRINGS_UNEQUAL("", "3");
+        UNIT_ASSERT_STRINGS_UNEQUAL("green", TStringBuf("red"));
+        UNIT_ASSERT_STRINGS_UNEQUAL(TStringBuf("solomon"), "golovan");
+        UNIT_ASSERT_STRINGS_UNEQUAL("d", TString("f"));
+        UNIT_ASSERT_STRINGS_UNEQUAL(TString("yandex"), "index");
+        UNIT_ASSERT_STRINGS_UNEQUAL(TString("mail"), TStringBuf("yandex"));
+        UNIT_ASSERT_STRINGS_UNEQUAL(TStringBuf("C++"), TString("python"));
+    }
+
+    Y_UNIT_TEST(Equal) {
+        auto equal = [](auto v1, auto v2) {
+            UNIT_ASSERT_EQUAL(v1, v2);
+        };
+        UNIT_ASSERT_TEST_FAILS(equal("1", TString("2")));
+        UNIT_ASSERT_TEST_FAILS(equal(1, 2));
+        UNIT_ASSERT_TEST_FAILS(equal(42ul, static_cast<unsigned short>(24)));
+
+        UNIT_ASSERT_EQUAL("abc", TString("abc"));
+        UNIT_ASSERT_EQUAL(12l, 12);
+        UNIT_ASSERT_EQUAL(55, 55);
+    }
+
+    Y_UNIT_TEST(Unequal) {
+        auto unequal = [](auto v1, auto v2) {
+            UNIT_ASSERT_UNEQUAL(v1, v2);
+        };
+        UNIT_ASSERT_TEST_FAILS(unequal("x", TString("x")));
+        UNIT_ASSERT_TEST_FAILS(unequal(1, 1));
+        UNIT_ASSERT_TEST_FAILS(unequal(static_cast<unsigned short>(42), 42ul));
+
+        UNIT_ASSERT_UNEQUAL("abc", TString("cba"));
+        UNIT_ASSERT_UNEQUAL(12l, 10);
+        UNIT_ASSERT_UNEQUAL(33, 50);
+    }
+
+    Y_UNIT_TEST(LessThan) {
+        auto lt = [](auto v1, auto v2) {
+            UNIT_ASSERT_LT(v1, v2);
+        };
+
+        // less than
+        UNIT_ASSERT_LT(TStringBuf("1"), "2");
+        UNIT_ASSERT_LT("2", TString("3"));
+        UNIT_ASSERT_LT("abc", TString("azz"));
+        UNIT_ASSERT_LT(2, 4);
+        UNIT_ASSERT_LT(42ul, static_cast<unsigned short>(48));
+
+        // equals
+        UNIT_ASSERT_TEST_FAILS(lt(TStringBuf("2"), "2"));
+        UNIT_ASSERT_TEST_FAILS(lt("2", TString("2")));
+        UNIT_ASSERT_TEST_FAILS(lt("abc", TString("abc")));
+        UNIT_ASSERT_TEST_FAILS(lt(2, 2));
+        UNIT_ASSERT_TEST_FAILS(lt(42ul, static_cast<unsigned short>(42)));
+
+        // greater than
+        UNIT_ASSERT_TEST_FAILS(lt(TStringBuf("2"), "1"));
+        UNIT_ASSERT_TEST_FAILS(lt("3", TString("2")));
+        UNIT_ASSERT_TEST_FAILS(lt("azz", TString("abc")));
+        UNIT_ASSERT_TEST_FAILS(lt(5, 2));
+        UNIT_ASSERT_TEST_FAILS(lt(100ul, static_cast<unsigned short>(42)));
+    }
+
+    Y_UNIT_TEST(LessOrEqual) {
+        auto le = [](auto v1, auto v2) {
+            UNIT_ASSERT_LE(v1, v2);
+        };
+
+        // less than
+        UNIT_ASSERT_LE(TStringBuf("1"), "2");
+        UNIT_ASSERT_LE("2", TString("3"));
+        UNIT_ASSERT_LE("abc", TString("azz"));
+        UNIT_ASSERT_LE(2, 4);
+        UNIT_ASSERT_LE(42ul, static_cast<unsigned short>(48));
+
+        // equals
+        UNIT_ASSERT_LE(TStringBuf("2"), "2");
+        UNIT_ASSERT_LE("2", TString("2"));
+        UNIT_ASSERT_LE("abc", TString("abc"));
+        UNIT_ASSERT_LE(2, 2);
+        UNIT_ASSERT_LE(42ul, static_cast<unsigned short>(42));
+
+        // greater than
+        UNIT_ASSERT_TEST_FAILS(le(TStringBuf("2"), "1"));
+        UNIT_ASSERT_TEST_FAILS(le("3", TString("2")));
+        UNIT_ASSERT_TEST_FAILS(le("azz", TString("abc")));
+        UNIT_ASSERT_TEST_FAILS(le(5, 2));
+        UNIT_ASSERT_TEST_FAILS(le(100ul, static_cast<unsigned short>(42)));
+    }
+
+    Y_UNIT_TEST(GreaterThan) {
+        auto gt = [](auto v1, auto v2) {
+            UNIT_ASSERT_GT(v1, v2);
+        };
+
+        // less than
+        UNIT_ASSERT_TEST_FAILS(gt(TStringBuf("1"), "2"));
+        UNIT_ASSERT_TEST_FAILS(gt("2", TString("3")));
+        UNIT_ASSERT_TEST_FAILS(gt("abc", TString("azz")));
+        UNIT_ASSERT_TEST_FAILS(gt(2, 4));
+        UNIT_ASSERT_TEST_FAILS(gt(42ul, static_cast<unsigned short>(48)));
+
+        // equals
+        UNIT_ASSERT_TEST_FAILS(gt(TStringBuf("2"), "2"));
+        UNIT_ASSERT_TEST_FAILS(gt("2", TString("2")));
+        UNIT_ASSERT_TEST_FAILS(gt("abc", TString("abc")));
+        UNIT_ASSERT_TEST_FAILS(gt(2, 2));
+        UNIT_ASSERT_TEST_FAILS(gt(42ul, static_cast<unsigned short>(42)));
+
+        // greater than
+        UNIT_ASSERT_GT(TStringBuf("2"), "1");
+        UNIT_ASSERT_GT("3", TString("2"));
+        UNIT_ASSERT_GT("azz", TString("abc"));
+        UNIT_ASSERT_GT(5, 2);
+        UNIT_ASSERT_GT(100ul, static_cast<unsigned short>(42));
+    }
+
+    Y_UNIT_TEST(GreaterOrEqual) {
+        auto ge = [](auto v1, auto v2) {
+            UNIT_ASSERT_GE(v1, v2);
+        };
+
+        // less than
+        UNIT_ASSERT_TEST_FAILS(ge(TStringBuf("1"), "2"));
+        UNIT_ASSERT_TEST_FAILS(ge("2", TString("3")));
+        UNIT_ASSERT_TEST_FAILS(ge("abc", TString("azz")));
+        UNIT_ASSERT_TEST_FAILS(ge(2, 4));
+        UNIT_ASSERT_TEST_FAILS(ge(42ul, static_cast<unsigned short>(48)));
+
+        // equals
+        UNIT_ASSERT_GE(TStringBuf("2"), "2");
+        UNIT_ASSERT_GE("2", TString("2"));
+        UNIT_ASSERT_GE("abc", TString("abc"));
+        UNIT_ASSERT_GE(2, 2);
+        UNIT_ASSERT_GE(42ul, static_cast<unsigned short>(42));
+
+        // greater than
+        UNIT_ASSERT_GE(TStringBuf("2"), "1");
+        UNIT_ASSERT_GE("3", TString("2"));
+        UNIT_ASSERT_GE("azz", TString("abc"));
+        UNIT_ASSERT_GE(5, 2);
+        UNIT_ASSERT_GE(100ul, static_cast<unsigned short>(42));
+    }
+
+    Y_UNIT_TEST(ValuesEqual) {
+        auto valuesEqual = [](auto v1, auto v2) {
+            UNIT_ASSERT_VALUES_EQUAL(v1, v2);
+        };
+        UNIT_ASSERT_TEST_FAILS(valuesEqual(1, 2));
+        UNIT_ASSERT_TEST_FAILS(valuesEqual(1l, static_cast<short>(2)));
+
+        UNIT_ASSERT_VALUES_EQUAL("yandex", TString("yandex"));
+        UNIT_ASSERT_VALUES_EQUAL(1.0, 1.0);
+    }
+
+    Y_UNIT_TEST(ValuesUnequal) {
+        auto valuesUnequal = [](auto v1, auto v2) {
+            UNIT_ASSERT_VALUES_UNEQUAL(v1, v2);
+        };
+        UNIT_ASSERT_TEST_FAILS(valuesUnequal(5, 5));
+        UNIT_ASSERT_TEST_FAILS(valuesUnequal(static_cast<char>(5), 5l));
+        TString test("test");
+        UNIT_ASSERT_TEST_FAILS(valuesUnequal("test", test.data()));
+
+        UNIT_ASSERT_VALUES_UNEQUAL("UNIT_ASSERT_VALUES_UNEQUAL", "UNIT_ASSERT_VALUES_EQUAL");
+        UNIT_ASSERT_VALUES_UNEQUAL(1.0, 1.1);
+    }
+
+    class TTestException: public yexception {
+    public:
+        TTestException(const TString& text = "test exception", bool throwMe = true)
+            : ThrowMe(throwMe)
+        {
+            *this << text;
+        }
+
+        virtual ~TTestException() = default;
+
+        virtual void Throw() {
+            if (ThrowMe) {
+                throw *this;
+            }
+        }
+
+        void AssertNoException() {
+            UNIT_ASSERT_NO_EXCEPTION(Throw());
+        }
+
+        template <class TExpectedException>
+        void AssertException() {
+            UNIT_ASSERT_EXCEPTION(Throw(), TExpectedException);
+        }
+
+        template <class TExpectedException, class T>
+        void AssertExceptionContains(const T& substr) {
+            UNIT_ASSERT_EXCEPTION_CONTAINS(Throw(), TExpectedException, substr);
+        }
+
+        template <class TExpectedException, class P>
+        void AssertExceptionSatisfies(const P& predicate) {
+            UNIT_ASSERT_EXCEPTION_SATISFIES(Throw(), TExpectedException, predicate);
+        }
+
+        int GetValue() const {
+            return 5;           // just some value for predicate testing
+        }
+
+        bool ThrowMe;
+    };
+
+    class TOtherTestException: public TTestException {
+    public:
+        using TTestException::TTestException;
+
+        // Throws other type of exception
+        void Throw() override {
+            if (ThrowMe) {
+                throw *this;
+            }
+        }
+    };
+
+    Y_UNIT_TEST(Exception) {
+        UNIT_ASSERT_TEST_FAILS(TTestException("", false).AssertException<TTestException>());
+        UNIT_ASSERT_TEST_FAILS(TTestException().AssertException<TOtherTestException>());
+
+        UNIT_ASSERT_EXCEPTION(TOtherTestException().Throw(), TTestException);
+        UNIT_ASSERT_EXCEPTION(TTestException().Throw(), TTestException);
+    }
+
+    Y_UNIT_TEST(ExceptionAssertionContainsOtherExceptionMessage) {
+        NUnitTest::TUnitTestFailChecker checker;
+        {
+            auto guard = checker.InvokeGuard();
+            TTestException("custom exception message").AssertException<TOtherTestException>();
+        }
+        UNIT_ASSERT(checker.Failed());
+        UNIT_ASSERT_STRING_CONTAINS(checker.Msg(), "custom exception message");
+    }
+
+    Y_UNIT_TEST(NoException) {
+        UNIT_ASSERT_TEST_FAILS(TTestException().AssertNoException());
+
+        UNIT_ASSERT_NO_EXCEPTION(TTestException("", false).Throw());
+    }
+
+    Y_UNIT_TEST(ExceptionContains) {
+        UNIT_ASSERT_TEST_FAILS(TTestException("abc").AssertExceptionContains<TTestException>("cba"));
+        UNIT_ASSERT_TEST_FAILS(TTestException("abc").AssertExceptionContains<TTestException>(TStringBuf("cba")));
+        UNIT_ASSERT_TEST_FAILS(TTestException("abc").AssertExceptionContains<TTestException>(TString("cba")));
+        UNIT_ASSERT_TEST_FAILS(TTestException("abc").AssertExceptionContains<TTestException>(TStringBuilder() << "cba"));
+
+        UNIT_ASSERT_TEST_FAILS(TTestException("abc", false).AssertExceptionContains<TTestException>("bc"));
+
+        UNIT_ASSERT_TEST_FAILS(TTestException("abc").AssertExceptionContains<TOtherTestException>("b"));
+
+        UNIT_ASSERT_EXCEPTION_CONTAINS(TTestException("abc").Throw(), TTestException, "a");
+    }
+
+    Y_UNIT_TEST(ExceptionSatisfies) {
+        const auto goodPredicate = [](const TTestException& e) { return e.GetValue() == 5; };
+        const auto badPredicate  = [](const TTestException& e) { return e.GetValue() != 5; };
+        UNIT_ASSERT_NO_EXCEPTION(TTestException().AssertExceptionSatisfies<TTestException>(goodPredicate));
+        UNIT_ASSERT_TEST_FAILS(TTestException().AssertExceptionSatisfies<TTestException>(badPredicate));
+        UNIT_ASSERT_TEST_FAILS(TTestException().AssertExceptionSatisfies<TOtherTestException>(goodPredicate));
+    }
+}