cpp-json/test/json_binder_value_string_test.cxx

//
//  json_binder_value_string.t.h
//  json
//
//  Created by Sam Jaffe on 2/25/17.
//

#include <gmock/gmock.h>

#include "json/json_binder.hpp"

using namespace json::binder;
using namespace json::parser;
using namespace ::testing;

TEST(JsonBinderStringTest, ParsesSuccessfully) {
  char data[] = "\"This is a string\"";
  std::string out = "";
  value_binder<std::string> binder{};
  parse(json::binder::bind(out, binder), data, allow_all);
  EXPECT_THAT(out, "This is a string");
}

TEST(JsonBinderStringTest, CanParseInternalQuotes) {
  char data[] = "\"This is a \\\"string\\\"\"";
  std::string out = "";
  value_binder<std::string> binder{};
  parse(json::binder::bind(out, binder), data, allow_all);
  EXPECT_THAT(out, "This is a \"string\"");
}

TEST(JsonBinderStringTest, CannotParseRawString) {
  char data[] = "This is a string";
  std::string out = "";
  value_binder<std::string> binder{};
  EXPECT_THROW(parse(json::binder::bind(out, binder), data, allow_all),
               json::malformed_json_exception);
  EXPECT_THAT(out, "");
}

TEST(JsonBinderStringTest, ThrowsOnNoEndQuote) {
  char data[] = "\"This is a string";
  std::string out = "";
  value_binder<std::string> binder{};
  EXPECT_THROW(parse(json::binder::bind(out, binder), data, allow_all),
               json::unterminated_json_exception);
  EXPECT_THAT(out, "");
}

TEST(JsonBinderStringTest, CanWrite) {
  std::string const expected = "\"This is a string\"";
  std::stringstream ss;
  std::string const in = "This is a string";
  value_binder<std::string> binder{};
  write(json::binder::bind(in, binder), ss);
  EXPECT_THAT(ss.str(), expected);
}

TEST(JsonBinderStringTest, EscapesQuotesWhenWriting) {
  std::string const expected = "\"This is a \\\"string\\\"\"";
  std::stringstream ss;
  std::string const in = "This is a \"string\"";
  value_binder<std::string> binder{};
  write(json::binder::bind(in, binder), ss);
  EXPECT_THAT(ss.str(), expected);
}