test_user.cpp

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#include "user.hpp"
#include <doctest.h>
#include <iostream>
#include <sstream>
 
// --- User class unit tests ---
 
TEST_CASE("User constructor initializes fields") {
  User user("octocat", "The Octocat", "GitHub", "San Francisco");
 
  CHECK(user.login == "octocat");
  CHECK(user.name == "The Octocat");
  CHECK(user.company == "GitHub");
  CHECK(user.location == "San Francisco");
}
 
TEST_CASE("User::print() outputs correct format") {
  User user("octocat", "The Octocat", "GitHub", "San Francisco");
 
  std::ostringstream output;
  std::streambuf *old_cout_buf = std::cout.rdbuf(output.rdbuf());
 
  user.print();
 
  std::cout.rdbuf(old_cout_buf); // restore std::cout
 
  std::string result = output.str();
  CHECK(result.find("Login: octocat") != std::string::npos);
  CHECK(result.find("Name: The Octocat") != std::string::npos);
  CHECK(result.find("Company: GitHub") != std::string::npos);
  CHECK(result.find("Location: San Francisco") != std::string::npos);
}
 
// --- fetch_github_user integration tests ---
 
TEST_CASE("fetch_github_user returns valid user for known GitHub account") {
  User user = User::fetch_github_user("octocat");
 
  CHECK(user.login == "octocat");
 
  // These fields can change, so we check they are not empty instead
  CHECK_FALSE(user.name.empty());
  CHECK_FALSE(user.company.empty());
  CHECK_FALSE(user.location.empty());
}
 
TEST_CASE("fetch_github_user throws for nonexistent username") {
  std::string invalid_username = "this_user_should_not_exist_123456789";
 
  CHECK_THROWS_AS(User::fetch_github_user(invalid_username),
                  std::runtime_error);
}