#include <seatest.h>

/** Declares necessary static variables. Must appear before the entry point. */
ST_DECLARE_STATIC_VARS()

/** Test routine declarations. */
ST_DECLARE_TEST(widget_sanity)
ST_DECLARE_TEST(rest_client_get)

/** The global list of available tests (and associated metadata). For each entry,
 * a corresponding ST_DECLARE_TEST() must appear in an included header or above
 * this statement in the same file. */
ST_BEGIN_DECLARE_TEST_LIST()

  /** Ensures that widgets are functioning properly. */
  ST_DECLARE_TEST_LIST_ENTRY(widget-sanity, widget_sanity)

  /** Checks a REST client's get request functionality (requires an Internet
   * connection); if not connected to the Internet, the test will be skipped. */
  ST_DECLARE_TEST_LIST_ENTRY_COND(rest-client-get, rest_client_get, COND_INET)

ST_END_DECLARE_TEST_LIST()

/** The entry point is simple as can be: all data required by the test rig is
 * captured automatically (must have argc and argv parameters and return int). */
int main(int argc, char** argv)
{
  return ST_MAIN_IMPL("Acme Inc.");
}

/** Implementation of the widget-sanity test. */
ST_BEGIN_TEST_IMPL(widget_sanity)
{
  /** An informative message, to show that something is happening. */
  ST_MESSAGE("creating a %s widget...", "purple");

  /** Create a widget and validate its properties. */
  acme_widget widget;
  bool created = acme_create_widget_purple(&widget);

  /** Emits a message printed in green, to show that something postive happened. */
  if (created) {
    ST_SUCCESS0("successfully created widget");
  }

  /** The following emit red messages and cause the test to fail if the
   * expression they represent evaluates to false. For a complete list of
   * available Evaluators, see the documentation. */
  ST_TRUE(created);
  ST_NUM_POSITIVE(widget.color);
  ST_EQUAL(widget.class, WIDGET_CLASS_STANDARD);
  ST_BITS_HIGH(widget.flags, WIDGET_FLAGS_STANDARD);

  /** If it doesn't make sense to continue the test after the failure of any
   * of the above, causes the test to exit immediately with an error. */
  ST_TEST_EXIT_IF_FAILED();

  /** ... the rest of the test. */
}
ST_END_TEST_IMPL()

/** Implementation of the rest-client-get test. To see how the test rig behaves
 * when no Internet connection is available (this test depends on it), uncomment
 * the line in CMakeLists.txt that says ST_SIMULATE_INET_ERROR. */
ST_BEGIN_TEST_IMPL(rest_client_get)
{
  /** Perform an HTTP GET request, retrieving a list of available widgets.  */
  ST_MESSAGE0("retrieving list of widgets from server...");

  http_response response;
  bool result = acme_rest_get_widget_list(&response);

  /** As in the widget-sanity test, the following emit a red message and cause
   * the test to fail if the expression they represent evaluates to false. */
  ST_TRUE(result);
  ST_EQUAL(response.code, HTTP_OK);
  ST_STR_NOT_EMPTY(response.body);
  ST_STR_BEGINSWITH("{\"widgets\":", response.body, 11);

  /** If any of the Evaluators above have failed, exit the test now. */
  ST_TEST_EXIT_IF_FAILED();

  /** Visual confirmation that the network request succeeded. */
  ST_SUCCESS("got HTTP_OK; response len: %zu bytes", strlen(response.body));

  /** ... the rest of the test. */
}
ST_END_TEST_IMPL()