issue-25-default-values.cpp File Reference

#include <iostream>
#include <nlohmann/json-schema.hpp>

Include dependency graph for issue-25-default-values.cpp:

Go to the source code of this file.

Functions
int	main (void)

Variables
static const json	person_schema

Function Documentation

main()

int main

(

void

)

Definition at line 60 of file issue-25-default-values.cpp.

{
    json_validator validator{};
    validator.set_root_schema(person_schema);
 
    {
        // add address which is optional that should generate a diff containing a default street
        json person_emtpy_address = R"({
        "name": "Hans",
        "age": 69,
        "address": {}
        })"_json;
 
        const auto default_patch = validator.validate(person_emtpy_address);
 
        if (!default_patch.is_array()) {
            std::cerr << "Patch with defaults is expected to be an array" << std::endl;
            return 1;
        }
 
        if (default_patch.size() != 1) {
            std::cerr << "Patch with defaults is expected to contain one opperation" << std::endl;
            return 1;
        }
 
        const auto &single_op = default_patch[0];
 
        if (!single_op.contains("op")) {
            std::cerr << "Patch with defaults is expected to contain opperation entry" << std::endl;
            return 1;
        }
 
        if (single_op["op"].get<std::string>() != "add") {
            std::cerr << "Patch with defaults is expected to contain add opperation" << std::endl;
            return 1;
        }
 
        if (!single_op.contains("path")) {
            std::cerr << "Patch with defaults is expected to contain a path" << std::endl;
            return 1;
        }
 
        const auto &readPath = single_op["path"].get<std::string>();
        if (readPath != "/address/street") {
            std::cerr << "Patch with defaults contains wrong path. It is " << readPath << " and should be "
                      << "/address/street" << std::endl;
            return 1;
        }
 
        if (!single_op.contains("value")) {
            std::cerr << "Patch with defaults is expected to contain a value" << std::endl;
            return 1;
        }
 
        if (single_op["value"].get<std::string>() != "Abbey Road") {
            std::cerr << "Patch with defaults contains wrong value" << std::endl;
            return 1;
        }
    }
    {
        // add address which is optional that should generate a diff containing a empty object
        // but not work address which is null or other address which has no default
        json person_missing_address = R"({
        "name": "Hans",
        "age": 69
        })"_json;
 
        const auto default_patch = validator.validate(person_missing_address);
 
        if (!default_patch.is_array()) {
            std::cerr << "Patch with defaults is expected to be an array" << std::endl;
            return 1;
        }
 
        if (default_patch.size() != 1) {
            std::cerr << "Patch with defaults is expected to contain one opperation" << std::endl;
            return 1;
        }
 
        const auto &single_op = default_patch[0];
 
        if (!single_op.contains("op")) {
            std::cerr << "Patch with defaults is expected to contain opperation entry" << std::endl;
            return 1;
        }
 
        if (single_op["op"].get<std::string>() != "add") {
            std::cerr << "Patch with defaults is expected to contain add opperation" << std::endl;
            return 1;
        }
 
        if (!single_op.contains("path")) {
            std::cerr << "Patch with defaults is expected to contain a path" << std::endl;
            return 1;
        }
 
        const auto &readPath = single_op["path"].get<std::string>();
        if (readPath != "/address") {
            std::cerr << "Patch with defaults contains wrong path. It is " << readPath << " and should be "
                      << "/address" << std::endl;
            return 1;
        }
 
        if (!single_op.contains("value")) {
            std::cerr << "Patch with defaults is expected to contain a value" << std::endl;
            return 1;
        }
 

References nlohmann::json_schema::json_validator::json_validator(), person_schema, nlohmann::json_schema::json_validator::set_root_schema(), and nlohmann::json_schema::json_validator::validate().

Here is the call graph for this function:

Variable Documentation

person_schema

const json person_schema

static

Definition at line 7 of file issue-25-default-values.cpp.

Referenced by main().