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Add method GenerateTextFromTable issue #5249 (#5266)

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* Create a function GenerateGenerateTextFromTable in order to create a json from any Table

Signed-off-by: Anthony Liot <anthony.liot@gmail.com>

* Update the test to failed if loadfile or parser return false

Signed-off-by: Anthony Liot <anthony.liot@gmail.com>

* Fix snake_case name typo + space before &/*

Signed-off-by: Anthony Liot <anthony.liot@gmail.com>

* use auto

Signed-off-by: Anthony Liot <anthony.liot@gmail.com>

* Use clang-format on the added code

Signed-off-by: Anthony Liot <anthony.liot@gmail.com>
This commit is contained in:
Anthony Liot
2019-04-05 11:51:29 -07:00
committed by Wouter van Oortmerssen
parent 2d67de3151
commit 249f3b3714
3 changed files with 69 additions and 0 deletions
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48
tests/test.cpp
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@@ -1702,6 +1702,53 @@ void InvalidFloatTest() {
TestError("table T { F:float; } root_type T; { F:null }", invalid_msg);
}
void GenerateTableTextTest() {
std::string schemafile;
std::string jsonfile;
bool ok =
flatbuffers::LoadFile((test_data_path + "monster_test.fbs").c_str(),
false, &schemafile) &&
flatbuffers::LoadFile((test_data_path + "monsterdata_test.json").c_str(),
false, &jsonfile);
TEST_EQ(ok, true);
auto include_test_path =
flatbuffers::ConCatPathFileName(test_data_path, "include_test");
const char *include_directories[] = {test_data_path.c_str(),
include_test_path.c_str(), nullptr};
flatbuffers::IDLOptions opt;
opt.indent_step = -1;
flatbuffers::Parser parser(opt);
ok = parser.Parse(schemafile.c_str(), include_directories) &&
parser.Parse(jsonfile.c_str(), include_directories);
TEST_EQ(ok, true);
// Test root table
const Monster *monster = GetMonster(parser.builder_.GetBufferPointer());
std::string jsongen;
auto result = GenerateTextFromTable(parser, monster, "MyGame.Example.Monster",
&jsongen);
TEST_EQ(result, true);
// Test sub table
const Vec3 *pos = monster->pos();
jsongen.clear();
result = GenerateTextFromTable(parser, pos, "MyGame.Example.Vec3", &jsongen);
TEST_EQ(result, true);
TEST_EQ_STR(
jsongen.c_str(),
"{x: 1.0,y: 2.0,z: 3.0,test1: 3.0,test2: \"Green\",test3: {a: 5,b: 6}}");
const Test &test3 = pos->test3();
jsongen.clear();
result =
GenerateTextFromTable(parser, &test3, "MyGame.Example.Test", &jsongen);
TEST_EQ(result, true);
TEST_EQ_STR(jsongen.c_str(), "{a: 5,b: 6}");
const Test *test4 = monster->test4()->Get(0);
jsongen.clear();
result =
GenerateTextFromTable(parser, test4, "MyGame.Example.Test", &jsongen);
TEST_EQ(result, true);
TEST_EQ_STR(jsongen.c_str(), "{a: 10,b: 20}");
}
template<typename T>
void NumericUtilsTestInteger(const char *lower, const char *upper) {
T x;
@@ -2602,6 +2649,7 @@ int FlatBufferTests() {
IsAsciiUtilsTest();
ValidFloatTest();
InvalidFloatTest();
GenerateTableTextTest();
return 0;
}