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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/vespalib/gtest/gtest.h>
#include <vespa/vespalib/util/jsonstream.h>
#include <vespa/vespalib/util/jsonexception.h>
#include <vespa/vespalib/stllike/asciistream.h>
using namespace vespalib;
TEST(JSONTest, test_json_writer_values)
{
JSONStringer js;
{ // bool
js.appendBool(true);
EXPECT_EQ(js.toString(), "true");
js.clear().appendBool(false);
EXPECT_EQ(js.toString(), "false");
}
{ // double
js.clear().appendDouble(1234.5678);
EXPECT_EQ(js.toString(), "1234.5678");
js.clear().appendDouble(-1234.5678);
EXPECT_EQ(js.toString(), "-1234.5678");
js.clear().appendDouble(0.0);
EXPECT_EQ(js.toString(), "0.0");
js.clear().appendDouble(0.00000000012345678912356789123456789);
EXPECT_EQ(js.toString(), "1.234567891235679e-10");
js.clear().appendDouble(std::numeric_limits<double>::max());
EXPECT_EQ(js.toString(), "1.797693134862316e+308");
js.clear().appendDouble(std::numeric_limits<double>::min());
EXPECT_EQ(js.toString(), "2.225073858507201e-308");
js.clear().appendDouble(1.0 * (uint64_t(1) << 53));
EXPECT_EQ(js.toString(), "9007199254740992.0");
js.clear().appendDouble(1000);
EXPECT_EQ(js.toString(), "1000.0");
}
{ // float
js.clear().appendFloat(1234.5678f);
EXPECT_EQ(js.toString(), "1234.5677");
js.clear().appendFloat(-1234.5678f);
EXPECT_EQ(js.toString(), "-1234.5677");
js.clear().appendFloat(0.0f);
EXPECT_EQ(js.toString(), "0.0");
js.clear().appendFloat(0.00000000012345678912356789123456789f);
EXPECT_EQ(js.toString(), "1.2345679e-10");
js.clear().appendFloat(std::numeric_limits<float>::max());
EXPECT_EQ(js.toString(), "3.4028235e+38");
js.clear().appendFloat(std::numeric_limits<float>::min());
EXPECT_EQ(js.toString(), "1.1754944e-38");
js.clear().appendFloat(1.0 * (uint64_t(1) << 24));
EXPECT_EQ(js.toString(), "16777216.0");
js.clear().appendFloat(1000);
EXPECT_EQ(js.toString(), "1000.0");
}
{ // long
js.clear().appendInt64(4294967296ll);
EXPECT_EQ(js.toString(), "4294967296");
js.clear().appendInt64(-4294967296ll);
EXPECT_EQ(js.toString(), "-4294967296");
}
{ // string
js.clear().appendString("string");
EXPECT_EQ(js.toString(), "\"string\"");
}
{ // NULL
js.clear().appendNull();
EXPECT_EQ(js.toString(), "null");
}
{ // quote
js.clear().appendString("x\"y");
EXPECT_EQ(js.toString(), "\"x\\\"y\"");
js.clear().appendString("x\\y");
EXPECT_EQ(js.toString(), "\"x\\\\y\"");
js.clear().appendString("x/y");
EXPECT_EQ(js.toString(), "\"x/y\"");
js.clear().appendString("x\by");
EXPECT_EQ(js.toString(), "\"x\\by\"");
js.clear().appendString("x\fy");
EXPECT_EQ(js.toString(), "\"x\\fy\"");
js.clear().appendString("x\ny");
EXPECT_EQ(js.toString(), "\"x\\ny\"");
js.clear().appendString("x\ry");
EXPECT_EQ(js.toString(), "\"x\\ry\"");
js.clear().appendString("x\ty");
EXPECT_EQ(js.toString(), "\"x\\ty\"");
}
}
TEST(JSONTest, test_json_writer_object)
{
JSONStringer js;
{ // single pair
js.beginObject().appendKey("k1").appendInt64(1l).endObject();
EXPECT_EQ(js.toString(), "{\"k1\":1}");
}
{ // multiple pairs
js.clear().beginObject().appendKey("k1").appendInt64(1l).appendKey("k2").appendInt64(2l).endObject();
EXPECT_EQ(js.toString(), "{\"k1\":1,\"k2\":2}");
}
{ // object in object
js.clear().beginObject().appendKey("k1").beginObject().appendKey("k1.1").appendInt64(11l).endObject().endObject();
EXPECT_EQ(js.toString(), "{\"k1\":{\"k1.1\":11}}");
}
{ // object in object (multiple pairs)
js.clear().beginObject().
appendKey("k1").
beginObject().
appendKey("k1.1").appendInt64(11l).
appendKey("k1.2").appendInt64(12l).
endObject().
appendKey("k2").
beginObject().
appendKey("k2.1").appendInt64(21l).
appendKey("k2.2").appendInt64(22l).
endObject().
endObject();
EXPECT_EQ(js.toString(), "{\"k1\":{\"k1.1\":11,\"k1.2\":12},\"k2\":{\"k2.1\":21,\"k2.2\":22}}");
}
{ // array in object
js.clear().beginObject().appendKey("k1").
beginArray().appendInt64(1l).appendInt64(2l).endArray().endObject();
EXPECT_EQ(js.toString(), "{\"k1\":[1,2]}");
}
{ // array in object (multiple pairs)
js.clear().beginObject().
appendKey("k1").beginArray().appendInt64(1l).appendInt64(2l).endArray().
appendKey("k2").beginArray().appendInt64(3l).appendInt64(4l).endArray().
endObject();
EXPECT_EQ(js.toString(), "{\"k1\":[1,2],\"k2\":[3,4]}");
}
}
TEST(JSONTest, test_json_writer_array)
{
JSONStringer js;
{ // single element
js.beginArray().appendInt64(1l).endArray();
EXPECT_EQ(js.toString(), "[1]");
}
{ // multiple elements
js.clear().beginArray().appendInt64(1l).appendInt64(2l).endArray();
EXPECT_EQ(js.toString(), "[1,2]");
}
{ // array in array
js.clear().beginArray().beginArray().appendInt64(1l).endArray().endArray();
EXPECT_EQ(js.toString(), "[[1]]");
}
{ // array in array (multiple elements)
js.clear().beginArray().
beginArray().appendInt64(1l).appendInt64(2l).endArray().
beginArray().appendInt64(3l).appendInt64(4l).endArray().
endArray();
EXPECT_EQ(js.toString(), "[[1,2],[3,4]]");
}
{ // object in array
js.clear().beginArray().
beginObject().appendKey("k1").appendInt64(1l).endObject().
endArray();
EXPECT_EQ(js.toString(), "[{\"k1\":1}]");
}
{ // object in array (multiple elements)
js.clear().beginArray().
beginObject().appendKey("k1").appendInt64(1l).appendKey("k2").appendInt64(2l).endObject().
beginObject().appendKey("k3").appendInt64(3l).appendKey("k4").appendInt64(4l).endObject().
endArray();
EXPECT_EQ(js.toString(), "[{\"k1\":1,\"k2\":2},{\"k3\":3,\"k4\":4}]");
}
}
TEST(JSONTest, test_json_writer_complex)
{
JSONStringer js;
js.beginObject();
{ // object
js.appendKey("k1");
js.beginObject();
{
js.appendKey("k1.1");
js.appendInt64(1l);
}
{
js.appendKey("k1.2");
js.beginArray();
js.appendInt64(2l);
js.appendInt64(3l);
js.endArray();
}
js.endObject();
}
{ // object of object
js.appendKey("k2");
js.beginObject();
{
js.appendKey("k2.1");
js.beginObject();
{
js.appendKey("k2.1.1");
js.appendInt64(4l);
}
{
js.appendKey("k2.1.2");
js.beginArray();
js.appendInt64(5l);
js.appendInt64(6l);
js.endArray();
}
js.endObject();
}
js.endObject();
}
{ // array of object
js.appendKey("k3");
js.beginArray();
{
js.beginObject();
{
js.appendKey("k3.1");
js.appendInt64(7l);
}
{
js.appendKey("k3.2");
js.beginArray();
js.appendInt64(8l);
js.appendInt64(9l);
js.endArray();
}
js.endObject();
}
{
js.beginObject();
{
js.appendKey("k3.1");
js.appendInt64(10l);
}
{
js.appendKey("k3.2");
js.beginArray();
js.appendInt64(11l);
js.appendInt64(12l);
js.endArray();
}
js.endObject();
}
js.endArray();
}
js.endObject();
EXPECT_EQ(js.toString(), "{\"k1\":{\"k1.1\":1,\"k1.2\":[2,3]},\"k2\":{\"k2.1\":{\"k2.1.1\":4,\"k2.1.2\":[5,6]}},\"k3\":[{\"k3.1\":7,\"k3.2\":[8,9]},{\"k3.1\":10,\"k3.2\":[11,12]}]}");
}
namespace {
struct Builder : public vespalib::JsonStreamTypes {
void build(JsonStream& s) {
s << Object() << "k1" << Object()
<< "k1.1" << 1
<< "k1.2" << Array()
<< 2l << 3ll << End()
<< End()
<< "k2" << Object()
<< "k2.1" << Object()
<< "k2.1.1" << 4u
<< "k2.1.2" << Array()
<< 5ul << 6ull << End()
<< End()
<< End()
<< "k3" << Array()
<< Object()
<< "k3.1" << -7
<< "k3.2" << Array()
<< -8l << -9ll << End()
<< End()
<< Object()
<< "k3.1" << 10l
<< "k3.2" << Array()
<< 11l << 12l << End()
<< End()
<< End()
<< End();
}
};
}
TEST(JSONTest, test_json_stream)
{
vespalib::asciistream as;
vespalib::JsonStream stream(as);
Builder b;
b.build(stream);
stream.finalize();
EXPECT_EQ(as.str(), "{\"k1\":{\"k1.1\":1,\"k1.2\":[2,3]},\"k2\":{\"k2.1\":{\"k2.1.1\":4,\"k2.1.2\":[5,6]}},\"k3\":[{\"k3.1\":-7,\"k3.2\":[-8,-9]},{\"k3.1\":10,\"k3.2\":[11,12]}]}");
}
TEST(JSONTest, test_json_stream_errors)
{
using namespace vespalib::jsonstream;
// Unsupported object keys
try{
vespalib::asciistream as;
vespalib::JsonStream stream(as);
stream << Object() << Object();
} catch (vespalib::JsonStreamException& e) {
EXPECT_EQ("Invalid state on call: An object value cannot be an object key ({}(ObjectExpectingKey))", e.getReason());
}
try{
vespalib::asciistream as;
vespalib::JsonStream stream(as);
stream << Object() << true;
} catch (vespalib::JsonStreamException& e) {
EXPECT_EQ("Invalid state on call: A bool value cannot be an object key ({}(ObjectExpectingKey))", e.getReason());
}
try{
vespalib::asciistream as;
vespalib::JsonStream stream(as);
stream << Object() << 13;
} catch (vespalib::JsonStreamException& e) {
EXPECT_EQ("Invalid state on call: An int64_t value cannot be an object key ({}(ObjectExpectingKey))", e.getReason());
}
try{
vespalib::asciistream as;
vespalib::JsonStream stream(as);
stream << Object() << uint64_t(13);
} catch (vespalib::JsonStreamException& e) {
EXPECT_EQ("Invalid state on call: A uint64_t value cannot be an object key ({}(ObjectExpectingKey))", e.getReason());
}
try{
vespalib::asciistream as;
vespalib::JsonStream stream(as);
stream << Object() << 0.5;
} catch (vespalib::JsonStreamException& e) {
EXPECT_EQ("Invalid state on call: A double value cannot be an object key ({}(ObjectExpectingKey))", e.getReason());
}
try{
vespalib::asciistream as;
vespalib::JsonStream stream(as);
stream << Object() << jsonstream::Array();
} catch (vespalib::JsonStreamException& e) {
EXPECT_EQ("Invalid state on call: An array value cannot be an object key ({}(ObjectExpectingKey))", e.getReason());
}
// Invalid points to add End()
try{
vespalib::asciistream as;
vespalib::JsonStream stream(as);
stream << Object() << "foo" << End();
} catch (vespalib::JsonStreamException& e) {
EXPECT_EQ("Invalid state on call: Object got key but not value. Cannot end it now ({foo}(ObjectExpectingValue))", e.getReason());
}
try{
vespalib::asciistream as;
vespalib::JsonStream stream(as);
stream << End();
} catch (vespalib::JsonStreamException& e) {
EXPECT_EQ("Invalid state on call: No tag to end. At root ((RootExpectingArrayOrObjectStart))", e.getReason());
}
// Adding to finalized stream
try{
vespalib::asciistream as;
vespalib::JsonStream stream(as);
stream << Object() << End() << "foo";
} catch (vespalib::JsonStreamException& e) {
EXPECT_EQ("Invalid state on call: Stream already finalized. Can't add a string value. (Finalized)", e.getReason());
}
try{
vespalib::asciistream as;
vespalib::JsonStream stream(as);
stream << Object() << End() << false;
} catch (vespalib::JsonStreamException& e) {
EXPECT_EQ("Invalid state on call: Stream already finalized. Can't add a bool value. (Finalized)", e.getReason());
}
try{
vespalib::asciistream as;
vespalib::JsonStream stream(as);
stream << Object() << End() << 13;
} catch (vespalib::JsonStreamException& e) {
EXPECT_EQ("Invalid state on call: Stream already finalized. Can't add a long long value. (Finalized)", e.getReason());
}
try{
vespalib::asciistream as;
vespalib::JsonStream stream(as);
stream << Object() << End() << 13u;
} catch (vespalib::JsonStreamException& e) {
EXPECT_EQ("Invalid state on call: Stream already finalized. Can't add an unsigned long long value. (Finalized)", e.getReason());
}
try{
vespalib::asciistream as;
vespalib::JsonStream stream(as);
stream << Object() << End() << 0.2;
} catch (vespalib::JsonStreamException& e) {
EXPECT_EQ("Invalid state on call: Stream already finalized. Can't add a double value. (Finalized)", e.getReason());
}
try{
vespalib::asciistream as;
vespalib::JsonStream stream(as);
stream << Object() << End() << Object();
} catch (vespalib::JsonStreamException& e) {
EXPECT_EQ("Invalid state on call: Stream already finalized. Can't start a new object. (Finalized)", e.getReason());
}
try{
vespalib::asciistream as;
vespalib::JsonStream stream(as);
stream << Object() << End() << jsonstream::Array();
} catch (vespalib::JsonStreamException& e) {
EXPECT_EQ("Invalid state on call: Stream already finalized. Can't start a new array. (Finalized)", e.getReason());
}
try{
vespalib::asciistream as;
vespalib::JsonStream stream(as);
stream << Object() << End() << End();
} catch (vespalib::JsonStreamException& e) {
EXPECT_EQ("Invalid state on call: Stream already finalized. Can't end it. (Finalized)", e.getReason());
}
}
TEST(JSONTest, test_json_stream_state_reporting)
{
using namespace vespalib::jsonstream;
vespalib::asciistream as;
vespalib::JsonStream stream(as);
stream << jsonstream::Array() << 13
<< "foo"
<< Object() << "key" << "value" << End()
<< false
<< End();
EXPECT_EQ("Current: Finalized", stream.getJsonStreamState());
}
GTEST_MAIN_RUN_ALL_TESTS()
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