ArduinoJson/test/JsonObject_PrettyPrintTo_Tests.cpp

/*
* Arduino JSON library
* Benoit Blanchon 2014 - MIT License
*/

#include <gtest/gtest.h>
#include <ArduinoJson/JsonObject.hpp>
#include <ArduinoJson/JsonValue.hpp>
#include <ArduinoJson/StaticJsonBuffer.hpp>

using namespace ArduinoJson;

class JsonObject_PrettyPrintTo_Tests : public testing::Test
{
protected:
    JsonObject object;
    StaticJsonBuffer<30> json;

    virtual void SetUp()
    {
        object = json.createObject();
    }

    void outputMustBe(const char* expected)
    {
        size_t n = object.prettyPrintTo(buffer, sizeof(buffer));
        EXPECT_STREQ(expected, buffer);
        EXPECT_EQ(strlen(expected), n);
    }

private:
    char buffer[256];
};

TEST_F(JsonObject_PrettyPrintTo_Tests, EmptyObject)
{
    outputMustBe("{}");
}

TEST_F(JsonObject_PrettyPrintTo_Tests, OneMember)
{
    object["key"] = "value";

    outputMustBe(
        "{\r\n"
        "  \"key\": \"value\"\r\n"
        "}");
}

TEST_F(JsonObject_PrettyPrintTo_Tests, TwoMembers)
{
    object["key1"] = "value1";
    object["key2"] = "value2";

    outputMustBe(
        "{\r\n"
        "  \"key1\": \"value1\",\r\n"
        "  \"key2\": \"value2\"\r\n"
        "}");
}

TEST_F(JsonObject_PrettyPrintTo_Tests, EmptyNestedContainers)
{
    object.createNestedObject("key1");
    object.createNestedArray("key2");

    outputMustBe(
        "{\r\n"
        "  \"key1\": {},\r\n"
        "  \"key2\": []\r\n"
        "}");
}

TEST_F(JsonObject_PrettyPrintTo_Tests, NestedContainers)
{
    JsonObject nested1 = object.createNestedObject("key1");
    nested1["a"] = 1;

    JsonArray nested2 = object.createNestedArray("key2");
    nested2.add(2);

    outputMustBe(
        "{\r\n"
        "  \"key1\": {\r\n"
        "    \"a\": 1\r\n"
        "  },\r\n"
        "  \"key2\": [\r\n"
        "    2\r\n"
        "  ]\r\n"
        "}");
}