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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <limits>
#include <sstream>
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <json/writer.h>
#include <jsonpb/jsonpb.h>
#include <jsonpb/verify.h>
#include "test.pb.h"
using ::android::jsonpb::internal::FormatJson;
using ::testing::ElementsAre;
using ::testing::HasSubstr;
namespace android {
namespace jsonpb {
// Unit tests for libjsonpbverify.
class LibJsonpbVerifyTest : public ::testing::Test {};
class JsonKeyTest : public LibJsonpbVerifyTest {
public:
template <typename T>
std::string GetFieldJsonName(const std::string& field_name) {
return T{}.GetDescriptor()->FindFieldByName(field_name)->json_name();
}
template <typename T>
void TestParseOkWithUnknownKey(const std::string& field_name, const std::string& json_key) {
std::string json = "{\"" + json_key + "\": \"test\"}";
auto object = JsonStringToMessage<T>(json);
ASSERT_TRUE(object.ok()) << object.error();
EXPECT_EQ("test", object->GetReflection()->GetString(
*object, object->GetDescriptor()->FindFieldByName(field_name)));
std::string error;
ASSERT_FALSE(AllFieldsAreKnown(*object, json, &error))
<< "AllFieldsAreKnown should return false";
EXPECT_THAT(error, HasSubstr("unknown keys"));
EXPECT_THAT(error, HasSubstr(json_key));
}
};
TEST_F(JsonKeyTest, WithJsonNameOk) {
std::string json =
"{\n"
" \"FOOBAR\": \"foo_bar\",\n"
" \"BarBaz\": \"barBaz\",\n"
" \"baz_qux\": \"BazQux\",\n"
" \"quxQuux\": \"QUX_QUUX\"\n"
"\n}";
auto object = JsonStringToMessage<WithJsonName>(json);
ASSERT_TRUE(object.ok()) << object.error();
EXPECT_EQ("foo_bar", object->foo_bar());
EXPECT_EQ("barBaz", object->barbaz());
EXPECT_EQ("BazQux", object->bazqux());
EXPECT_EQ("QUX_QUUX", object->qux_quux());
std::string error;
EXPECT_TRUE(AllFieldsAreKnown(*object, json, &error)) << error;
}
// If Prototype field name as keys while json_name is present, AllFieldsAreKnown
// should return false.
TEST_F(JsonKeyTest, WithJsonNameFooBar) {
TestParseOkWithUnknownKey<WithJsonName>("foo_bar", "foo_bar");
}
TEST_F(JsonKeyTest, WithJsonNameBarBaz) {
TestParseOkWithUnknownKey<WithJsonName>("barBaz", "barBaz");
}
TEST_F(JsonKeyTest, WithJsonNameBazQux) {
TestParseOkWithUnknownKey<WithJsonName>("BazQux", "BazQux");
}
TEST_F(JsonKeyTest, WithJsonNameQuxQuux) {
TestParseOkWithUnknownKey<WithJsonName>("QUX_QUUX", "QUX_QUUX");
}
// JSON field name matches Proto field name
TEST_F(JsonKeyTest, NoJsonNameOk) {
std::string json =
"{\n"
" \"foo_bar\": \"foo_bar\",\n"
" \"barBaz\": \"barBaz\",\n"
" \"BazQux\": \"BazQux\",\n"
" \"QUX_QUUX\": \"QUX_QUUX\"\n"
"\n}";
auto object = JsonStringToMessage<NoJsonName>(json);
ASSERT_TRUE(object.ok()) << object.error();
EXPECT_EQ("foo_bar", object->foo_bar());
EXPECT_EQ("barBaz", object->barbaz());
EXPECT_EQ("BazQux", object->bazqux());
EXPECT_EQ("QUX_QUUX", object->qux_quux());
std::string error;
EXPECT_TRUE(AllFieldsAreKnown(*object, json, &error)) << error;
}
// JSON field name is lower/UpperCamelCase of Proto field name;
// AllFieldsAreKnown should return false. Although the lower/UpperCamelCase name
// is a valid key accepted by Protobuf's JSON parser, we explicitly disallow the
// behavior.
TEST_F(JsonKeyTest, NoJsonNameFooBar) {
EXPECT_EQ("fooBar", GetFieldJsonName<NoJsonName>("foo_bar"));
TestParseOkWithUnknownKey<NoJsonName>("foo_bar", "fooBar");
}
TEST_F(JsonKeyTest, NoJsonNameBarBaz) {
EXPECT_EQ("barBaz", GetFieldJsonName<NoJsonName>("barBaz"));
// No test for barBaz because its JSON name is the same as field_name
}
TEST_F(JsonKeyTest, NoJsonNameBazQux) {
EXPECT_EQ("BazQux", GetFieldJsonName<NoJsonName>("BazQux"));
// No test for BazQux because its JSON name is the same as field_name
}
TEST_F(JsonKeyTest, NoJsonNameQuxQuux) {
EXPECT_EQ("QUXQUUX", GetFieldJsonName<NoJsonName>("QUX_QUUX"));
TestParseOkWithUnknownKey<NoJsonName>("QUX_QUUX", "QUXQUUX");
}
class EmbeddedJsonKeyTest : public LibJsonpbVerifyTest {
public:
ErrorOr<Parent> TestEmbeddedError(const std::string& json, const std::string& unknown_key) {
auto object = JsonStringToMessage<Parent>(json);
if (!object.ok()) return object;
std::string error;
EXPECT_FALSE(AllFieldsAreKnown(*object, json, &error))
<< "AllFieldsAreKnown should return false";
EXPECT_THAT(error, HasSubstr("unknown keys"));
EXPECT_THAT(error, HasSubstr(unknown_key));
return object;
}
};
TEST_F(EmbeddedJsonKeyTest, Ok) {
std::string json =
"{"
" \"with_json_name\": {\"FOOBAR\": \"foo_bar\"},\n"
" \"repeated_with_json_name\": [{\"BarBaz\": \"barBaz\"}],\n"
" \"no_json_name\": {\"BazQux\": \"BazQux\"},\n"
" \"repeated_no_json_name\": [{\"QUX_QUUX\": \"QUX_QUUX\"}]\n"
"}";
auto object = JsonStringToMessage<Parent>(json);
ASSERT_TRUE(object.ok()) << object.error();
EXPECT_EQ("foo_bar", object->with_json_name().foo_bar());
ASSERT_EQ(1u, object->repeated_with_json_name().size());
EXPECT_EQ("barBaz", object->repeated_with_json_name().begin()->barbaz());
EXPECT_EQ("BazQux", object->no_json_name().bazqux());
ASSERT_EQ(1u, object->repeated_no_json_name().size());
EXPECT_EQ("QUX_QUUX", object->repeated_no_json_name().begin()->qux_quux());
std::string error;
EXPECT_TRUE(AllFieldsAreKnown(*object, json, &error)) << error;
}
TEST_F(EmbeddedJsonKeyTest, FooBar) {
auto object = TestEmbeddedError("{\"with_json_name\": {\"foo_bar\": \"test\"}}", "foo_bar");
ASSERT_TRUE(object.ok()) << object.error();
EXPECT_EQ("test", object->with_json_name().foo_bar());
}
TEST_F(EmbeddedJsonKeyTest, BarBaz) {
auto object =
TestEmbeddedError("{\"repeated_with_json_name\": [{\"barBaz\": \"test\"}]}", "barBaz");
ASSERT_TRUE(object.ok()) << object.error();
ASSERT_EQ(1u, object->repeated_with_json_name().size());
EXPECT_EQ("test", object->repeated_with_json_name().begin()->barbaz());
}
TEST_F(EmbeddedJsonKeyTest, NoJsonName) {
auto object = TestEmbeddedError("{\"no_json_name\": {\"QUXQUUX\": \"test\"}}", "QUXQUUX");
ASSERT_TRUE(object.ok()) << object.error();
EXPECT_EQ("test", object->no_json_name().qux_quux());
}
TEST_F(EmbeddedJsonKeyTest, QuxQuux) {
auto object =
TestEmbeddedError("{\"repeated_no_json_name\": [{\"QUXQUUX\": \"test\"}]}", "QUXQUUX");
ASSERT_TRUE(object.ok()) << object.error();
ASSERT_EQ(1u, object->repeated_no_json_name().size());
EXPECT_EQ("test", object->repeated_no_json_name().begin()->qux_quux());
}
class ScalarTest : public LibJsonpbVerifyTest {
public:
::testing::AssertionResult IsJsonEq(const std::string& l, const std::string& r) {
Json::CharReaderBuilder builder;
std::unique_ptr<Json::CharReader> reader(builder.newCharReader());
Json::Value lvalue;
std::string errorMessage;
if (!reader->parse(&*l.begin(), &*l.end(), &lvalue, &errorMessage))
return ::testing::AssertionFailure() << errorMessage;
Json::Value rvalue;
if (!reader->parse(&*r.begin(), &*r.end(), &rvalue, &errorMessage))
return ::testing::AssertionFailure() << errorMessage;
Json::StreamWriterBuilder factory;
return lvalue == rvalue
? (::testing::AssertionSuccess() << "Both are \n"
<< Json::writeString(factory, lvalue))
: (::testing::AssertionFailure() << Json::writeString(factory, lvalue)
<< "\n does not equal \n"
<< Json::writeString(factory, rvalue));
}
bool EqReformattedJson(const std::string& json, std::string* error) {
return android::jsonpb::EqReformattedJson(json, &scalar_, error);
}
Scalar scalar_;
std::string error_;
};
TEST_F(ScalarTest, Ok) {
std::string json =
"{\n"
" \"i32\": 1,\n"
" \"si32\": 1,\n"
" \"i64\": \"1\",\n"
" \"si64\": \"1\",\n"
" \"f\": 1.5,\n"
" \"d\": 1.5,\n"
" \"e\": \"FOO\"\n"
"}";
auto formatted = FormatJson(json, &scalar_);
ASSERT_TRUE(formatted.ok()) << formatted.error();
EXPECT_TRUE(IsJsonEq(json, *formatted));
EXPECT_TRUE(EqReformattedJson(json, &error_)) << error_;
}
using ScalarTestErrorParam = std::tuple<const char*, const char*>;
class ScalarTestError : public ScalarTest,
public ::testing::WithParamInterface<ScalarTestErrorParam> {};
TEST_P(ScalarTestError, Test) {
std::string json;
std::string message;
std::tie(json, message) = GetParam();
auto formatted = FormatJson(json, &scalar_);
ASSERT_TRUE(formatted.ok()) << formatted.error();
EXPECT_FALSE(IsJsonEq(json, *formatted)) << message;
EXPECT_FALSE(EqReformattedJson(json, &error_)) << "EqReformattedJson should return false";
}
static const std::vector<ScalarTestErrorParam> gScalarTestErrorParams = {
{"{\"i32\": \"1\"}", "Should not allow int32 values to be quoted"},
{"{\"si32\": \"1\"}", "Should not allow sint32 values to be quoted"},
{"{\"i64\": 1}", "Should require int64 values to be quoted"},
{"{\"si64\": 1}", "Should require sint64 values to be quoted"},
{"{\"f\": \"1.5\"}", "Should not allow float values to be quoted"},
{"{\"d\": \"1.5\"}", "Should not allow double values to be quoted"},
{"{\"e\": 1}", "Should not allow integers for enums"},
};
INSTANTIATE_TEST_SUITE_P(Jsonpb, ScalarTestError, ::testing::ValuesIn(gScalarTestErrorParams));
int main(int argc, char** argv) {
using ::testing::AddGlobalTestEnvironment;
using ::testing::InitGoogleTest;
InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
} // namespace jsonpb
} // namespace android