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test_tools.h
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#ifndef JINJA2CPP_TEST_TEST_TOOLS_H
#define JINJA2CPP_TEST_TEST_TOOLS_H
#include "../src/helpers.h"
#include <gtest/gtest.h>
#include <jinja2cpp/filesystem_handler.h>
#include <jinja2cpp/reflected_value.h>
#include <jinja2cpp/template.h>
#include <jinja2cpp/template_env.h>
#include <jinja2cpp/user_callable.h>
struct InputOutputPair
{
std::string tpl;
std::string result;
friend std::ostream& operator<<(std::ostream& os, const InputOutputPair& rp)
{
os << rp.tpl << " -> " << rp.result;
return os;
}
};
struct TestInnerStruct
{
~TestInnerStruct() { isAlive = false; }
bool isAlive = true;
std::string strValue = "Hello World!";
};
struct TestStruct
{
~TestStruct() { isAlive = false; }
bool isAlive = true;
int64_t intValue{};
double dblValue{};
bool boolValue{};
std::string strValue;
std::wstring wstrValue;
std::shared_ptr<TestInnerStruct> innerStruct;
std::vector<std::shared_ptr<TestInnerStruct>> innerStructList;
};
inline jinja2::ValuesMap PrepareTestData()
{
jinja2::ValuesList testData;
TestStruct sampleStruct;
for (int n = 0; n < 10; ++n)
{
TestStruct s;
std::ostringstream str;
std::wostringstream wstr;
str << "test string " << n;
wstr << L"test string " << n;
s.intValue = n;
s.dblValue = static_cast<double>(n) / 2;
s.boolValue = n % 2 == 1;
s.strValue = str.str();
s.wstrValue = wstr.str();
if (testData.empty())
sampleStruct = s;
testData.push_back(jinja2::Reflect(std::move(s)));
}
std::shared_ptr<TestStruct> emptyTestStruct;
std::shared_ptr<TestStruct> filledTestStruct = std::make_shared<TestStruct>(sampleStruct);
sampleStruct.innerStruct = std::make_shared<TestInnerStruct>();
for (int n = 0; n < 10; ++n)
sampleStruct.innerStructList.push_back(std::make_shared<TestInnerStruct>());
return jinja2::ValuesMap{
{ "intValue", 3 },
{ "intList", jinja2::ValuesList{ 9, 0, 8, 1, 7, 2, 6, 3, 5, 4 } },
{ "doubleValue", 12.123f },
{ "doubleList", jinja2::ValuesList{ 9.5, 0.5, 8.5, 1.5, 7.5, 2.5, 6.4, 3.8, 5.2, -4.7 } },
{ "intAsDoubleList", jinja2::ValuesList{ 9.0, 0.0, 8.0, 1.0, 7.0, 2.0, 6.0, 3.0, 5.0, 4.0 } },
{ "stringValue", "rain" },
{ "wstringValue", std::wstring(L" hello world ") },
{ "stringList", jinja2::ValuesList{ "string9", "string0", "string8", "string1", "string7", "string2", "string6", "string3", "string5", "string4" } },
{ "boolFalseValue", false },
{ "boolTrueValue", true },
{ "mapValue",
jinja2::ValuesMap{ { "intVal", 10 }, { "dblVal", 100.5 }, { "stringVal", "string100.5" }, { "boolValue", true }, { "reflectedList", testData } } },
{ "simpleMapValue", jinja2::ValuesMap{ { "intVal", 10 }, { "dblVal", 100.5 }, { "stringVal", "string100.5" }, { "boolValue", true } } },
{ "reflectedVal", jinja2::Reflect(sampleStruct) },
{ "emptyReflectedPtrVal", jinja2::Reflect(emptyTestStruct) },
{ "filledReflectedPtrVal", jinja2::Reflect(filledTestStruct) },
{ "reflectedIntVector", jinja2::Reflect(std::vector<int64_t>{ 9, 0, 8, 1, 7, 2, 6, 3, 5, 4 }) },
{ "reflectedStringVector", jinja2::Reflect(std::vector<std::string>{ "9", "0", "8", "1", "7", "2", "6", "3", "5", "4" }) },
{ "reflectedStringViewVector", jinja2::Reflect(std::vector<nonstd::string_view>{ "9", "0", "8", "1", "7", "2", "6", "3", "5", "4" }) },
{ "reflectedList", std::move(testData) }
};
}
inline std::string ErrorToString(const jinja2::ErrorInfo& error)
{
return error.ToString();
}
inline std::wstring ErrorToString(const jinja2::ErrorInfoW& error)
{
return error.ToString();
}
inline void StringToConsole(const std::string& str)
{
std::cout << str << std::endl;
}
inline void StringToConsole(const std::wstring& str)
{
std::wcout << str << std::endl;
}
class BasicTemplateRenderer : public ::testing::Test
{
public:
template<typename TemplateT, typename CharT>
static void ExecuteTest(const std::basic_string<CharT>& source,
const std::basic_string<CharT>& expectedResult,
const jinja2::ValuesMap& params,
const char* version = "")
{
TemplateT tpl;
auto parseRes = tpl.Load(source);
EXPECT_TRUE(parseRes.has_value()) << version;
if (!parseRes)
{
StringToConsole(ErrorToString(parseRes.error()));
return;
}
auto renderRes = tpl.RenderAsString(params);
EXPECT_TRUE(renderRes.has_value()) << version;
if (!renderRes)
{
StringToConsole(ErrorToString(renderRes.error()));
return;
}
auto result = renderRes.value();
StringToConsole(result);
EXPECT_EQ(expectedResult, result) << version;
}
template<typename TemplateT, typename CharT>
void PerformTest(const std::basic_string<CharT>& source, const std::basic_string<CharT>& expectedResult, const jinja2::ValuesMap& params)
{
ExecuteTest<TemplateT>(source, expectedResult, params);
}
};
class SubstitutionTestBase : public ::testing::TestWithParam<InputOutputPair>
{
protected:
void PerformNarrowTest(const InputOutputPair& testParam)
{
BasicTemplateRenderer::ExecuteTest<jinja2::Template>("{{ " + testParam.tpl + " }}", testParam.result, PrepareTestData(), "Narrow version");
}
void PerformWideTest(const InputOutputPair& testParam)
{
BasicTemplateRenderer::ExecuteTest<jinja2::TemplateW>(L"{{ " + jinja2::ConvertString<std::wstring>(testParam.tpl) + L" }}",
jinja2::ConvertString<std::wstring>(testParam.result),
PrepareTestData(),
"Wide version");
}
void PerformBothTests(const std::string& tpl, const std::string result, const jinja2::ValuesMap& params = PrepareTestData())
{
BasicTemplateRenderer::ExecuteTest<jinja2::Template>(tpl, result, params, "Narrow version");
BasicTemplateRenderer::ExecuteTest<jinja2::TemplateW>(
jinja2::ConvertString<std::wstring>(tpl), jinja2::ConvertString<std::wstring>(result), params, "Wide version");
}
};
template<typename Tag, typename Base = SubstitutionTestBase>
class InputOutputPairTest : public Base
{
};
class TemplateEnvFixture : public ::testing::Test
{
protected:
void SetUp() override
{
m_templateFs = std::make_shared<jinja2::MemoryFileSystem>();
m_env.AddFilesystemHandler(std::string(), m_templateFs);
}
void AddFile(std::string fileName, std::string content) { m_templateFs->AddFile(std::move(fileName), std::move(content)); }
jinja2::Template Load(std::string tplBody)
{
jinja2::Template tpl(&m_env);
auto loadResult = tpl.Load(std::move(tplBody));
EXPECT_TRUE(!!loadResult);
if (!loadResult)
{
std::cout << "Template loading error: " << loadResult.error() << std::endl;
return jinja2::Template{};
}
return tpl;
}
std::string Render(std::string tplBody, const jinja2::ValuesMap& params = {})
{
auto tpl = Load(std::move(tplBody));
auto renderResult = tpl.RenderAsString(params);
EXPECT_TRUE(!!renderResult);
if (!renderResult)
{
std::cout << "Template rendering error: " << renderResult.error() << std::endl;
return "";
}
return renderResult.value();
}
protected:
std::shared_ptr<jinja2::MemoryFileSystem> m_templateFs;
jinja2::TemplateEnv m_env;
};
#define MULTISTR_TEST_IMPL(Fixture, TestName, StringT, TemplateT, Tpl, Result, ParamsGetter) \
TEST_F(Fixture, TestName) \
{ \
jinja2::ValuesMap params; \
ParamsGetter(params, *this); \
\
PerformTest<TemplateT>(StringT(Tpl), StringT(Result), params); \
}
#define MULTISTR_TEST(Fixture, TestName, Tpl, Result) \
void Fixture##_##TestName##_Params_Getter(jinja2::ValuesMap& params, const Fixture& test); \
MULTISTR_TEST_IMPL(Fixture, TestName##_Narrow, std::string, jinja2::Template, Tpl, Result, Fixture##_##TestName##_Params_Getter) \
MULTISTR_TEST_IMPL(Fixture, TestName##_Wide, std::wstring, jinja2::TemplateW, L##Tpl, L##Result, Fixture##_##TestName##_Params_Getter) \
void Fixture##_##TestName##_Params_Getter(jinja2::ValuesMap& params, const Fixture& test)
struct SubstitutionGenericTestTag;
using SubstitutionGenericTest = InputOutputPairTest<SubstitutionGenericTestTag>;
#define SUBSTITUTION_TEST_P(TestName) \
struct TestName##Tag; \
using TestName = InputOutputPairTest<TestName##Tag, SubstitutionTestBase>; \
TEST_P(TestName, Test##_Narrow) \
{ \
auto& testParam = GetParam(); \
PerformNarrowTest(testParam); \
} \
TEST_P(TestName, Test##_Wide) \
{ \
auto& testParam = GetParam(); \
PerformWideTest(testParam); \
}
namespace jinja2
{
template<>
struct TypeReflection<TestInnerStruct> : TypeReflected<TestInnerStruct>
{
static auto& GetAccessors()
{
static std::unordered_map<std::string, FieldAccessor> accessors = {
{ "strValue",
[](const TestInnerStruct& obj) {
assert(obj.isAlive);
return obj.strValue;
} },
};
return accessors;
}
};
template<>
struct TypeReflection<TestStruct> : TypeReflected<TestStruct>
{
static auto& GetAccessors()
{
static std::unordered_map<std::string, FieldAccessor> accessors = {
{ "intValue",
[](const TestStruct& obj) {
assert(obj.isAlive);
return jinja2::Reflect(obj.intValue);
} },
{ "intEvenValue",
[](const TestStruct& obj) -> Value {
assert(obj.isAlive);
if (obj.intValue % 2)
return {};
return { obj.intValue };
} },
{ "dblValue",
[](const TestStruct& obj) {
assert(obj.isAlive);
return jinja2::Reflect(obj.dblValue);
} },
{ "boolValue",
[](const TestStruct& obj) {
assert(obj.isAlive);
return jinja2::Reflect(obj.boolValue);
} },
{ "strValue",
[](const TestStruct& obj) {
assert(obj.isAlive);
return jinja2::Reflect(obj.strValue);
} },
{ "wstrValue",
[](const TestStruct& obj) {
assert(obj.isAlive);
return jinja2::Reflect(obj.wstrValue);
} },
{ "strViewValue",
[](const TestStruct& obj) {
assert(obj.isAlive);
return jinja2::Reflect(nonstd::string_view(obj.strValue));
} },
{ "wstrViewValue",
[](const TestStruct& obj) {
assert(obj.isAlive);
return jinja2::Reflect(nonstd::wstring_view(obj.wstrValue));
} },
{ "innerStruct",
[](const TestStruct& obj) {
assert(obj.isAlive);
return obj.innerStruct ? jinja2::Reflect(obj.innerStruct) : Value();
} },
{ "innerStructList",
[](const TestStruct& obj) {
assert(obj.isAlive);
return jinja2::Reflect(obj.innerStructList);
} },
{ "tmpStructList",
[](const TestStruct& obj) {
assert(obj.isAlive);
using list_t = std::vector<std::shared_ptr<TestInnerStruct>>;
list_t vals;
for (int n = 0; n < 10; ++n)
vals.push_back(std::make_shared<TestInnerStruct>());
return jinja2::Reflect(list_t(vals.begin(), vals.end()));
} },
{ "basicCallable",
[](const TestStruct& obj) {
return jinja2::MakeCallable([&obj]() {
assert(obj.isAlive);
return obj.intValue;
});
} },
{ "getInnerStruct",
[](const TestStruct& obj) {
return jinja2::MakeCallable([&obj]() {
assert(obj.isAlive);
return jinja2::Reflect(obj.innerStruct);
});
} },
{ "getInnerStructValue",
[](const TestStruct& obj) {
return jinja2::MakeCallable([&obj]() {
assert(obj.isAlive);
return jinja2::Reflect(*obj.innerStruct);
});
} },
};
return accessors;
}
};
} // namespace jinja2
#endif // JINJA2CPP_TEST_TEST_TOOLS_H