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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
#include "aws_client_mock.h"
#include <fluent-bit/flb_aws_util.h>
#include <fluent-bit/flb_http_client.h>
/* Vtable mocked methods */
static struct flb_http_client *flb_aws_client_mock_vtable_request(
struct flb_aws_client *aws_client, int method, const char *uri, const char *body,
size_t body_len, struct flb_aws_header *dynamic_headers, size_t dynamic_headers_len);
/* Protected structs */
/* flb_aws_client_mock pointer returned by mock_generator */
static struct flb_aws_client_mock *flb_aws_client_mock_instance = NULL;
/* Generator that returns clients with the test vtable */
static struct flb_aws_client_generator mock_generator = {
.create = flb_aws_client_create_mock,
};
/* Test/mock flb_aws_client vtable */
static struct flb_aws_client_vtable mock_client_vtable = {
.request = flb_aws_client_mock_vtable_request,
};
/*
* Configure generator
* Note: Automatically creates mock and wires to generator
* Destroys any existing mock in generator
*/
void flb_aws_client_mock_configure_generator(
struct flb_aws_client_mock_request_chain *request_chain)
{
flb_aws_client_mock_destroy_generator();
flb_aws_client_mock_instance = flb_aws_client_mock_create(request_chain);
}
/*
* Clean up generator's memory
* Cleanup should be called on exiting generator
*/
void flb_aws_client_mock_destroy_generator()
{
if (flb_aws_client_mock_instance != NULL) {
flb_aws_client_mock_destroy(flb_aws_client_mock_instance);
}
}
/* Create Mock of flb_aws_client */
struct flb_aws_client_mock *flb_aws_client_mock_create(
struct flb_aws_client_mock_request_chain *request_chain)
{
struct flb_aws_client_mock *mock = flb_calloc(1, sizeof(struct flb_aws_client_mock));
/* Create a surrogate aws_client and copy to mock client */
struct flb_aws_client *surrogate_aws_client = flb_aws_client_generator()->create();
mock->super = *surrogate_aws_client;
mock->surrogate = surrogate_aws_client;
memset(mock->surrogate, 0, sizeof(struct flb_aws_client));
/* Switch vtable to mock vtable */
mock->super.client_vtable = &mock_client_vtable;
mock->request_chain = request_chain;
mock->next_request_index = 0;
return mock;
}
/* Destroy flb_aws_client_mock */
void flb_aws_client_mock_destroy(struct flb_aws_client_mock *mock)
{
/* Remove from generator registry if stored */
if (flb_aws_client_mock_instance == mock) {
flb_aws_client_mock_instance = NULL;
}
/* Resurrect surrogate, and destroy flb_aws_client */
*mock->surrogate = mock->super;
flb_aws_client_destroy(mock->surrogate);
/* Destroy mock flb_aws_client */
flb_free(mock);
}
/* Return a Mocked flb_aws_client, ready for injection */
struct flb_aws_client *flb_aws_client_mock_context(struct flb_aws_client_mock *mock)
{
return (struct flb_aws_client *)mock;
}
/* Get the number of unused requests */
int flb_aws_client_mock_count_unused_requests(struct flb_aws_client_mock *mock)
{
return mock->request_chain->length - mock->next_request_index;
}
/* Set flb_aws_client_mock_instance used in mock generator */
void flb_aws_client_mock_set_generator_instance(struct flb_aws_client_mock *mock)
{
flb_aws_client_mock_instance = mock;
}
/* Set flb_aws_client_mock_instance used in mock generator */
struct flb_aws_client_mock *flb_aws_client_mock_get_generator_instance(
struct flb_aws_client_mock *mock)
{
return flb_aws_client_mock_instance = mock;
}
/* Get generator used in mock */
struct flb_aws_client_generator *flb_aws_client_get_mock_generator()
{
return &mock_generator;
}
/* Get the number of unused requests */
int flb_aws_client_mock_generator_count_unused_requests()
{
TEST_ASSERT(flb_aws_client_mock_instance != 0);
return flb_aws_client_mock_count_unused_requests(flb_aws_client_mock_instance);
}
/* Return the mock instance */
struct flb_aws_client *flb_aws_client_create_mock()
{
TEST_CHECK(flb_aws_client_mock_instance != NULL);
TEST_MSG(
"[aws_mock_client] Must initialize flb_aws_client_mock_instance before calling "
"flb_aws_client_create_mock()");
TEST_MSG(
"[aws_mock_client] This ouccurs when the generator is called, before tests are "
"initialized.");
return flb_aws_client_mock_context(flb_aws_client_mock_instance);
}
/* Mock request used by flb_aws_client mock */
static struct flb_http_client *flb_aws_client_mock_vtable_request(
struct flb_aws_client *aws_client, int method, const char *uri, const char *body,
size_t body_len, struct flb_aws_header *dynamic_headers, size_t dynamic_headers_len)
{
int h;
int i;
int ret;
/* Get access to mock */
struct flb_aws_client_mock *mock = (struct flb_aws_client_mock *)aws_client;
/* Check that a response is left in the chain */
ret = TEST_CHECK(mock->next_request_index < mock->request_chain->length);
if (!ret) {
TEST_MSG(
"[flb_aws_client_mock] %d mock responses provided. Attempting to call %d "
"times. Aborting.",
(int)mock->request_chain->length, (int)mock->next_request_index + 1);
return NULL;
}
struct flb_aws_client_mock_response *response =
&(mock->request_chain->responses[mock->next_request_index]);
struct flb_http_client *c = NULL;
/* create an http client so that we can set the response */
c = flb_calloc(1, sizeof(struct flb_http_client));
if (!c) {
flb_errno();
return NULL;
}
mk_list_init(&c->headers);
/* Response configuration */
for (i = 0; i < response->length; ++i) {
struct flb_aws_client_mock_response_config *response_config =
&(response->config_parameters[i]);
void *val1 = response_config->config_value;
void *val2 = response_config->config_value_2;
/* Expectations */
if (response_config->config_parameter == FLB_AWS_CLIENT_MOCK_EXPECT_HEADER) {
int header_found = FLB_FALSE;
/* Search for header in request */
for (h = 0; h < dynamic_headers_len; ++h) {
ret = strncmp(dynamic_headers[h].key, (char *)val1,
dynamic_headers[h].key_len);
if (ret == 0) {
/* Check header value */
ret = strncmp(dynamic_headers[h].val, (char *)val2,
dynamic_headers[h].val_len + 1);
TEST_CHECK(ret == 0);
TEST_MSG("[aws_mock_client] Expected Header: (%s: %s)", (char *)val1,
(char *)val2);
TEST_MSG("[aws_mock_client] Received Header: (%s: %s)", (char *)val1,
dynamic_headers[h].val);
header_found = FLB_TRUE;
}
}
TEST_CHECK(header_found);
TEST_MSG("[aws_mock_client] Expected Header: (%s: %s)", (char *)val1,
(char *)val2);
TEST_MSG("[aws_mock_client] Header not received");
}
else if (response_config->config_parameter == FLB_AWS_CLIENT_MOCK_EXPECT_METHOD) {
char *flb_http_methods[] = {
"FLB_HTTP_GET", "FLB_HTTP_POST", "FLB_HTTP_PUT",
"FLB_HTTP_HEAD", "FLB_HTTP_CONNECT", "FLB_HTTP_PATCH",
};
/*
* Check method is what is expected
* Typecast config value from void * -> int
*/
TEST_CHECK(method == (int)(uintptr_t)val1);
TEST_MSG("[aws_mock_client] Expected HTTP Method: %s",
flb_http_methods[(int)(uintptr_t)val1]);
TEST_MSG("[aws_mock_client] Received HTTP Method: %s",
flb_http_methods[method]);
}
else if (response_config->config_parameter ==
FLB_AWS_CLIENT_MOCK_EXPECT_HEADER_COUNT) {
TEST_CHECK(dynamic_headers_len == (int)(uintptr_t)val1);
TEST_MSG("[aws_mock_client] Expected %d Headers", (int)(uintptr_t)val1);
TEST_MSG("[aws_mock_client] Received %d Headers",
(int)(uintptr_t)dynamic_headers_len);
}
else if (response_config->config_parameter == FLB_AWS_CLIENT_MOCK_EXPECT_URI) {
ret = strncmp(uri, (char *)val1, strlen((char *)val1) + 1);
TEST_CHECK(ret == 0);
TEST_MSG("[aws_mock_client] Expected URI: %s", (char *)val1);
TEST_MSG("[aws_mock_client] Received URI: %s", uri);
}
/* Replace response client */
else if (response_config->config_parameter ==
FLB_AWS_CLIENT_MOCK_CONFIG_REPLACE) {
flb_http_client_destroy(c);
c = (struct flb_http_client *)val1;
}
/*
* Response setters
* Set client fields using XMacro definitions
*/
#define EXPAND_CLIENT_RESPONSE_PARAMETER(lower, UPPER, type) \
else if (response_config->config_parameter == FLB_AWS_CLIENT_MOCK_SET_##UPPER) \
{ \
c->resp.lower = CONVERT_##type((char *)val1); \
}
#include "aws_client_mock_client_resp.def"
#undef EXPAND_CLIENT_RESPONSE_PARAMETER
}
/* Increment request */
++mock->next_request_index;
return c;
};
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