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#include <emscripten/emscripten.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
int error_count = 0;
int pending_count = 0;
enum Status {
PENDING,
SUCCESS,
FAIL
};
struct Request {
const char* target;
Status status;
int expected_http_status;
const char* expected_http_status_text;
const char* expected_response_text;
};
void onload(unsigned handle, void* arg, void* data, unsigned length) {
Request* request = (Request*) arg;
const char* text = (const char*) data;
if (text != nullptr && request->expected_response_text == nullptr) {
printf("Error: Request [%s] returned [%s] but no response was expected.\n",
request->target, text);
error_count++;
request->status = FAIL;
} else if (strcmp(text, request->expected_response_text) != 0) {
printf("Error: Request [%s] expected response text [%s] but got [%s]\n",
request->target, request->expected_response_text, text);
error_count++;
request->status = FAIL;
} else {
printf("Pass: Request [%s] returned expected text\n", request->target);
request->status = SUCCESS;
}
pending_count--;
delete request;
}
void onerror(unsigned handle, void* arg, int status, const char* status_text) {
Request* request = (Request*) arg;
if (status_text == nullptr && request->expected_http_status_text != nullptr) {
printf("Error: Request [%s] expected response text [%s] but none was given\n",
request->target, request->expected_http_status_text);
error_count++;
request->status = FAIL;
} else if (status_text != nullptr && request->expected_http_status_text == nullptr) {
printf("Error: Request [%s] gave status text [%s] but no response was expted\n",
request->target, status_text);
error_count++;
request->status = FAIL;
} else if (strcmp(status_text, request->expected_http_status_text) != 0) {
printf("Error: Request [%s] expected status text [%s] but got [%s]\n",
request->target, request->expected_http_status_text, status_text);
error_count++;
request->status = FAIL;
} else {
printf("Pass: Request [%s] returned expected status code and message\n",
request->target);
request->status = SUCCESS;
}
pending_count--;
delete request;
}
void onprogress(unsigned handle, void* arg, int loaded, int total) {
Request* request = (Request*) arg;
printf("[%s] %i/%i\n", request->target, loaded, total);
}
void create_request(const char* target, const char* method, int expected_http_status, const char* expected_http_status_text, const char* expected_response_text) {
Request* request = new Request();
request->target = target;
request->status = PENDING;
request->expected_http_status = expected_http_status;
request->expected_http_status_text = expected_http_status_text;
request->expected_response_text = expected_response_text;
pending_count++;
emscripten_async_wget2_data(target, method, "", (void*) request, true,
onload, onerror, onprogress);
};
void wait_http(void* arg) {
Request* request = (Request*) arg;
};
void wait() {
if (pending_count == 0) {
printf("There were %d errors\n", error_count);
emscripten_cancel_main_loop();
REPORT_RESULT(error_count);
} else {
printf("Not ready (%i requests pending)\n", pending_count);
}
}
int main() {
/* Sends Test Requests.
* Call signature is
* `create_request(url, method, expected status code, expected message, expected content);`
* Note that if the request is a success, the status code and status message
* will not be checked, and if the request is a failure, the contents of the
* request will not be checked. I do not believe it is possible to retrieve
* and pass this information to the script currently.
*/
create_request("//httpstat.us/404/cors", "GET", 404, "Not Found", nullptr);
create_request("//httpstat.us/503/cors", "GET", 503, "Service Unavailable", nullptr);
create_request("//httpstat.us/200/cors", "GET", 0, nullptr, "200 OK");
create_request("//httpstat.us/0", "GET", 0, nullptr, nullptr); // <- Should cause CORS error
create_request("hello.txt", "GET", 0, nullptr, "Hello Emscripten!");
emscripten_set_main_loop(wait, 0, 0);
}
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