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OpenMW is an open implementation of the Morrowind engine
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224#include <gmock/gmock.h>#include <gtest/gtest.h>
#include <components/lua/luastate.hpp>#include <components/lua/utilpackage.hpp>#include <components/testing/expecterror.hpp>
namespace{ using namespace testing;
struct LuaUtilPackageTest : Test { LuaUtil::LuaState mLuaState{ nullptr, nullptr };
LuaUtilPackageTest() { mLuaState.addInternalLibSearchPath( std::filesystem::path{ OPENMW_PROJECT_SOURCE_DIR } / "components" / "lua"); sol::state_view sol = mLuaState.unsafeState(); sol["util"] = LuaUtil::initUtilPackage(sol); } };
template <typename T> T get(sol::state_view& lua, const std::string& luaCode) { return lua.safe_script("return " + luaCode).get<T>(); }
std::string getAsString(sol::state_view& lua, std::string luaCode) { return LuaUtil::toString(lua.safe_script("return " + luaCode)); }
TEST_F(LuaUtilPackageTest, Vector2) { sol::state_view lua = mLuaState.unsafeState(); lua.safe_script("v = util.vector2(3, 4)"); EXPECT_FLOAT_EQ(get<float>(lua, "v.x"), 3); EXPECT_FLOAT_EQ(get<float>(lua, "v.y"), 4); EXPECT_EQ(get<std::string>(lua, "tostring(v)"), "(3, 4)"); EXPECT_FLOAT_EQ(get<float>(lua, "v:length()"), 5); EXPECT_FLOAT_EQ(get<float>(lua, "v:length2()"), 25); EXPECT_FALSE(get<bool>(lua, "util.vector2(1, 2) == util.vector2(1, 3)")); EXPECT_TRUE(get<bool>(lua, "util.vector2(1, 2) + util.vector2(2, 5) == util.vector2(3, 7)")); EXPECT_TRUE(get<bool>(lua, "util.vector2(1, 2) - util.vector2(2, 5) == -util.vector2(1, 3)")); EXPECT_TRUE(get<bool>(lua, "util.vector2(1, 2) == util.vector2(2, 4) / 2")); EXPECT_TRUE(get<bool>(lua, "util.vector2(1, 2) * 2 == util.vector2(2, 4)")); EXPECT_FLOAT_EQ(get<float>(lua, "util.vector2(3, 2) * v"), 17); EXPECT_FLOAT_EQ(get<float>(lua, "util.vector2(3, 2):dot(v)"), 17); EXPECT_ERROR(lua.safe_script("v2, len = v.normalize()"), "value is not a valid userdata"); // checks that it doesn't segfault lua.safe_script("v2, len = v:normalize()"); EXPECT_FLOAT_EQ(get<float>(lua, "len"), 5); EXPECT_TRUE(get<bool>(lua, "v2 == util.vector2(3/5, 4/5)")); lua.safe_script("_, len = util.vector2(0, 0):normalize()"); EXPECT_FLOAT_EQ(get<float>(lua, "len"), 0); lua.safe_script("ediv0 = util.vector2(1, 0):ediv(util.vector2(0, 0))"); EXPECT_TRUE(get<bool>(lua, "ediv0.x == math.huge and ediv0.y ~= ediv0.y")); EXPECT_TRUE(get<bool>(lua, "util.vector2(1, 2):emul(util.vector2(3, 4)) == util.vector2(3, 8)")); EXPECT_TRUE(get<bool>(lua, "util.vector2(4, 6):ediv(util.vector2(2, 3)) == util.vector2(2, 2)")); lua.safe_script("swizzle = util.vector2(1, 2)"); EXPECT_TRUE(get<bool>(lua, "swizzle.xx == util.vector2(1, 1) and swizzle.yy == util.vector2(2, 2)")); EXPECT_TRUE(get<bool>(lua, "swizzle.y0 == util.vector2(2, 0) and swizzle.x1 == util.vector2(1, 1)")); EXPECT_TRUE(get<bool>(lua, "swizzle['01'] == util.vector2(0, 1) and swizzle['0y'] == util.vector2(0, 2)")); }
TEST_F(LuaUtilPackageTest, Vector3) { sol::state_view lua = mLuaState.unsafeState(); lua.safe_script("v = util.vector3(5, 12, 13)"); EXPECT_FLOAT_EQ(get<float>(lua, "v.x"), 5); EXPECT_FLOAT_EQ(get<float>(lua, "v.y"), 12); EXPECT_FLOAT_EQ(get<float>(lua, "v.z"), 13); EXPECT_EQ(get<std::string>(lua, "tostring(v)"), "(5, 12, 13)"); EXPECT_EQ(getAsString(lua, "v"), "(5, 12, 13)"); EXPECT_FLOAT_EQ(get<float>(lua, "util.vector3(4, 0, 3):length()"), 5); EXPECT_FLOAT_EQ(get<float>(lua, "util.vector3(4, 0, 3):length2()"), 25); EXPECT_FALSE(get<bool>(lua, "util.vector3(1, 2, 3) == util.vector3(1, 3, 2)")); EXPECT_TRUE(get<bool>(lua, "util.vector3(1, 2, 3) + util.vector3(2, 5, 1) == util.vector3(3, 7, 4)")); EXPECT_TRUE(get<bool>(lua, "util.vector3(1, 2, 3) - util.vector3(2, 5, 1) == -util.vector3(1, 3, -2)")); EXPECT_TRUE(get<bool>(lua, "util.vector3(1, 2, 3) == util.vector3(2, 4, 6) / 2")); EXPECT_TRUE(get<bool>(lua, "util.vector3(1, 2, 3) * 2 == util.vector3(2, 4, 6)")); EXPECT_FLOAT_EQ(get<float>(lua, "util.vector3(3, 2, 1) * v"), 5 * 3 + 12 * 2 + 13 * 1); EXPECT_FLOAT_EQ(get<float>(lua, "util.vector3(3, 2, 1):dot(v)"), 5 * 3 + 12 * 2 + 13 * 1); EXPECT_TRUE(get<bool>(lua, "util.vector3(1, 0, 0) ^ util.vector3(0, 1, 0) == util.vector3(0, 0, 1)")); EXPECT_ERROR(lua.safe_script("v2, len = util.vector3(3, 4, 0).normalize()"), "value is not a valid userdata"); lua.safe_script("v2, len = util.vector3(3, 4, 0):normalize()"); EXPECT_FLOAT_EQ(get<float>(lua, "len"), 5); EXPECT_TRUE(get<bool>(lua, "v2 == util.vector3(3/5, 4/5, 0)")); lua.safe_script("_, len = util.vector3(0, 0, 0):normalize()"); EXPECT_FLOAT_EQ(get<float>(lua, "len"), 0); lua.safe_script("ediv0 = util.vector3(1, 1, 1):ediv(util.vector3(0, 0, 0))"); EXPECT_TRUE(get<bool>(lua, "ediv0.z == math.huge")); EXPECT_TRUE(get<bool>(lua, "util.vector3(1, 2, 3):emul(util.vector3(3, 4, 5)) == util.vector3(3, 8, 15)")); EXPECT_TRUE(get<bool>(lua, "util.vector3(4, 6, 8):ediv(util.vector3(2, 3, 4)) == util.vector3(2, 2, 2)")); lua.safe_script("swizzle = util.vector3(1, 2, 3)"); EXPECT_TRUE(get<bool>(lua, "swizzle.xxx == util.vector3(1, 1, 1)")); EXPECT_TRUE(get<bool>(lua, "swizzle.xyz == swizzle.zyx.zyx")); EXPECT_TRUE(get<bool>(lua, "swizzle.xy0 == util.vector3(1, 2, 0) and swizzle.x11 == util.vector3(1, 1, 1)")); EXPECT_TRUE( get<bool>(lua, "swizzle['001'] == util.vector3(0, 0, 1) and swizzle['0yx'] == util.vector3(0, 2, 1)")); }
TEST_F(LuaUtilPackageTest, Vector4) { sol::state_view lua = mLuaState.unsafeState(); lua.safe_script("v = util.vector4(5, 12, 13, 15)"); EXPECT_FLOAT_EQ(get<float>(lua, "v.x"), 5); EXPECT_FLOAT_EQ(get<float>(lua, "v.y"), 12); EXPECT_FLOAT_EQ(get<float>(lua, "v.z"), 13); EXPECT_FLOAT_EQ(get<float>(lua, "v.w"), 15); EXPECT_EQ(get<std::string>(lua, "tostring(v)"), "(5, 12, 13, 15)"); EXPECT_FLOAT_EQ(get<float>(lua, "util.vector4(4, 0, 0, 3):length()"), 5); EXPECT_FLOAT_EQ(get<float>(lua, "util.vector4(4, 0, 0, 3):length2()"), 25); EXPECT_FALSE(get<bool>(lua, "util.vector4(1, 2, 3, 4) == util.vector4(1, 3, 2, 4)")); EXPECT_TRUE(get<bool>(lua, "util.vector4(1, 2, 3, 4) + util.vector4(2, 5, 1, 2) == util.vector4(3, 7, 4, 6)")); EXPECT_TRUE( get<bool>(lua, "util.vector4(1, 2, 3, 4) - util.vector4(2, 5, 1, 7) == -util.vector4(1, 3, -2, 3)")); EXPECT_TRUE(get<bool>(lua, "util.vector4(1, 2, 3, 4) == util.vector4(2, 4, 6, 8) / 2")); EXPECT_TRUE(get<bool>(lua, "util.vector4(1, 2, 3, 4) * 2 == util.vector4(2, 4, 6, 8)")); EXPECT_FLOAT_EQ(get<float>(lua, "util.vector4(3, 2, 1, 4) * v"), 5 * 3 + 12 * 2 + 13 * 1 + 15 * 4); EXPECT_FLOAT_EQ(get<float>(lua, "util.vector4(3, 2, 1, 4):dot(v)"), 5 * 3 + 12 * 2 + 13 * 1 + 15 * 4); lua.safe_script("v2, len = util.vector4(3, 0, 0, 4):normalize()"); EXPECT_FLOAT_EQ(get<float>(lua, "len"), 5); EXPECT_TRUE(get<bool>(lua, "v2 == util.vector4(3/5, 0, 0, 4/5)")); lua.safe_script("_, len = util.vector4(0, 0, 0, 0):normalize()"); EXPECT_FLOAT_EQ(get<float>(lua, "len"), 0); lua.safe_script("ediv0 = util.vector4(1, 1, 1, -1):ediv(util.vector4(0, 0, 0, 0))"); EXPECT_TRUE(get<bool>(lua, "ediv0.w == -math.huge")); EXPECT_TRUE( get<bool>(lua, "util.vector4(1, 2, 3, 4):emul(util.vector4(3, 4, 5, 6)) == util.vector4(3, 8, 15, 24)")); EXPECT_TRUE( get<bool>(lua, "util.vector4(4, 6, 8, 9):ediv(util.vector4(2, 3, 4, 3)) == util.vector4(2, 2, 2, 3)")); lua.safe_script("swizzle = util.vector4(1, 2, 3, 4)"); EXPECT_TRUE(get<bool>(lua, "swizzle.wwww == util.vector4(4, 4, 4, 4)")); EXPECT_TRUE(get<bool>(lua, "swizzle.xyzw == util.vector4(1, 2, 3, 4)")); EXPECT_TRUE(get<bool>(lua, "swizzle.xyzw == swizzle.wzyx.wzyx")); EXPECT_TRUE( get<bool>(lua, "swizzle.xyz0 == util.vector4(1, 2, 3, 0) and swizzle.w110 == util.vector4(4, 1, 1, 0)")); EXPECT_TRUE(get<bool>( lua, "swizzle['0001'] == util.vector4(0, 0, 0, 1) and swizzle['0yx1'] == util.vector4(0, 2, 1, 1)")); }
TEST_F(LuaUtilPackageTest, Color) { sol::state_view lua = mLuaState.unsafeState(); lua.safe_script("brown = util.color.rgba(0.75, 0.25, 0, 1)"); EXPECT_EQ(get<std::string>(lua, "tostring(brown)"), "(0.75, 0.25, 0, 1)"); lua.safe_script("blue = util.color.rgb(0, 1, 0, 1)"); EXPECT_EQ(get<std::string>(lua, "tostring(blue)"), "(0, 1, 0, 1)"); lua.safe_script("red = util.color.hex('ff0000')"); EXPECT_EQ(get<std::string>(lua, "tostring(red)"), "(1, 0, 0, 1)"); lua.safe_script("green = util.color.hex('00FF00')"); EXPECT_EQ(get<std::string>(lua, "tostring(green)"), "(0, 1, 0, 1)"); lua.safe_script("darkRed = util.color.hex('a01112')"); EXPECT_EQ(get<std::string>(lua, "darkRed:asHex()"), "a01112"); EXPECT_TRUE(get<bool>(lua, "green:asRgba() == util.vector4(0, 1, 0, 1)")); EXPECT_TRUE(get<bool>(lua, "red:asRgb() == util.vector3(1, 0, 0)")); lua.safe_script("green = util.color.commaString('0,255,0')"); EXPECT_EQ(get<std::string>(lua, "tostring(green)"), "(0, 1, 0, 1)"); lua.safe_script("red = util.color.commaString('255, 0, 0, 255')"); EXPECT_EQ(get<std::string>(lua, "tostring(red)"), "(1, 0, 0, 1)"); lua.safe_script("blue = util.color.commaString('0, 0, 1000, 255')"); EXPECT_EQ(get<std::string>(lua, "tostring(blue)"), "(0, 0, 1, 1)"); EXPECT_ERROR(lua.safe_script("white = util.color.commaString('aaa')"), "Invalid comma-separated color"); }
TEST_F(LuaUtilPackageTest, Transform) { sol::state_view lua = mLuaState.unsafeState(); lua["T"] = lua["util"]["transform"]; lua["v"] = lua["util"]["vector3"]; EXPECT_ERROR(lua.safe_script("T.identity = nil"), "attempt to index"); EXPECT_EQ(getAsString(lua, "T.identity * v(3, 4, 5)"), "(3, 4, 5)"); EXPECT_EQ(getAsString(lua, "T.move(1, 2, 3) * v(3, 4, 5)"), "(4, 6, 8)"); EXPECT_EQ(getAsString(lua, "T.scale(1, -2, 3) * v(3, 4, 5)"), "(3, -8, 15)"); EXPECT_EQ(getAsString(lua, "T.scale(v(1, 2, 3)) * v(3, 4, 5)"), "(3, 8, 15)"); lua.safe_script("moveAndScale = T.move(v(1, 2, 3)) * T.scale(0.5, 1, 0.5) * T.move(10, 20, 30)"); EXPECT_EQ(getAsString(lua, "moveAndScale * v(0, 0, 0)"), "(6, 22, 18)"); EXPECT_EQ(getAsString(lua, "moveAndScale * v(300, 200, 100)"), "(156, 222, 68)"); EXPECT_EQ(getAsString(lua, "moveAndScale:apply(v(0, 0, 0))"), "(6, 22, 18)"); EXPECT_EQ(getAsString(lua, "moveAndScale:apply(v(300, 200, 100))"), "(156, 222, 68)"); EXPECT_THAT(getAsString(lua, "moveAndScale"), AllOf(StartsWith("TransformM{ move(6, 22, 18) scale(0.5, 1, 0.5) "), EndsWith(" }"))); EXPECT_EQ(getAsString(lua, "T.identity"), "TransformQ{ rotation(angle=0, axis=(0, 0, 1)) }"); lua.safe_script("rx = T.rotateX(-math.pi / 2)"); lua.safe_script("ry = T.rotateY(-math.pi / 2)"); lua.safe_script("rz = T.rotateZ(-math.pi / 2)"); EXPECT_LT(get<float>(lua, "(rx * v(1, 2, 3) - v(1, -3, 2)):length()"), 1e-6); EXPECT_LT(get<float>(lua, "(ry * v(1, 2, 3) - v(3, 2, -1)):length()"), 1e-6); EXPECT_LT(get<float>(lua, "(rz * v(1, 2, 3) - v(-2, 1, 3)):length()"), 1e-6); EXPECT_LT(get<float>(lua, "(rz:apply(v(1, 2, 3)) - v(-2, 1, 3)):length()"), 1e-6); lua.safe_script("rot = T.rotate(math.pi / 2, v(-1, -1, 0)) * T.rotateZ(math.pi / 4)"); EXPECT_THAT(getAsString(lua, "rot"), HasSubstr("TransformQ")); EXPECT_LT(get<float>(lua, "(rot * v(1, 0, 0) - v(0, 0, 1)):length()"), 1e-6); EXPECT_LT(get<float>(lua, "(rot * rot:inverse() * v(1, 0, 0) - v(1, 0, 0)):length()"), 1e-6); lua.safe_script("rz_move_rx = rz * T.move(0, 3, 0) * rx"); EXPECT_LT(get<float>(lua, "(rz_move_rx * v(1, 2, 3) - v(0, 1, 2)):length()"), 1e-6); EXPECT_LT(get<float>(lua, "(rz_move_rx:inverse() * v(0, 1, 2) - v(1, 2, 3)):length()"), 1e-6); }
TEST_F(LuaUtilPackageTest, UtilityFunctions) { sol::state_view lua = mLuaState.unsafeState(); lua.safe_script("v = util.vector2(1, 0):rotate(math.rad(120))"); EXPECT_FLOAT_EQ(get<float>(lua, "v.x"), -0.5f); EXPECT_FLOAT_EQ(get<float>(lua, "v.y"), 0.86602539f); EXPECT_FLOAT_EQ(get<float>(lua, "util.normalizeAngle(math.pi * 10 + 0.1)"), 0.1f); EXPECT_FLOAT_EQ(get<float>(lua, "util.clamp(0.1, 0, 1.5)"), 0.1f); EXPECT_FLOAT_EQ(get<float>(lua, "util.clamp(-0.1, 0, 1.5)"), 0); EXPECT_FLOAT_EQ(get<float>(lua, "util.clamp(2.1, 0, 1.5)"), 1.5f); EXPECT_FLOAT_EQ(get<float>(lua, "util.round(2.1)"), 2.0f); EXPECT_FLOAT_EQ(get<float>(lua, "util.round(-2.1)"), -2.0f); EXPECT_FLOAT_EQ(get<float>(lua, "util.remap(5, 0, 10, 0, 100)"), 50.0f); EXPECT_FLOAT_EQ(get<float>(lua, "util.remap(-5, 0, 10, 0, 100)"), -50.0f); lua.safe_script("t = util.makeReadOnly({x = 1})"); EXPECT_FLOAT_EQ(get<float>(lua, "t.x"), 1); EXPECT_ERROR(lua.safe_script("t.y = 2"), "userdata value"); }
}