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Fix nasa#831, Finish os-impl-bsd-socket.c coverage testing
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@skliper
skliper committed Mar 23, 2021
1 parent 4062fe6 commit 1d2ccc9
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Showing 4 changed files with 428 additions and 4 deletions.
357 changes: 356 additions & 1 deletion src/unit-test-coverage/portable/src/coveragetest-bsd-sockets.c
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Original file line number Diff line number Diff line change
Expand Up @@ -27,8 +27,50 @@
#include "os-shared-sockets.h"
#include "os-shared-idmap.h"
#include "os-shared-file.h"
#include "os-shared-select.h"
#include "os-impl-io.h"

#include "OCS_sys_socket.h"
#include "OCS_errno.h"
#include "OCS_fcntl.h"
#include "OCS_arpa_inet.h"

/* Unique error code for return testing */
#define UT_ERR_UNIQUE 0xDEADBEEF

/* Buffer size */
#define UT_BUFFER_SIZE 16

/* OS_SelectSingle_Impl hook to set SelectFlags per input */
static int32 UT_Hook_OS_SelectSingle_Impl(void *UserObj, int32 StubRetcode, uint32 CallCount,
const UT_StubContext_t *Context)
{
uint32 *SelectFlags;

SelectFlags = (uint32 *)UT_Hook_GetArgValueByName(Context, "SelectFlags", uint32 *);

if (SelectFlags != NULL)
{
*SelectFlags = *((uint32 *)UserObj);
}

return 0;
}

/* OCS_getsockopt hook to set sockopt per input */
static int32 UT_Hook_OCS_getsockopt(void *UserObj, int32 StubRetcode, uint32 CallCount, const UT_StubContext_t *Context)
{
int *optval;

optval = (int *)UT_Hook_GetArgValueByName(Context, "optval", int *);

if (optval != NULL)
{
*optval = *((int *)UserObj);
}

return 0;
}

void Test_OS_SocketOpen_Impl(void)
{
Expand All @@ -46,7 +88,7 @@ void Test_OS_SocketOpen_Impl(void)
OS_stream_table[0].socket_domain = -1;
OSAPI_TEST_FUNCTION_RC(OS_SocketOpen_Impl, (&token), OS_ERR_NOT_IMPLEMENTED);

/* Socket error */
/* Fail socket */
OS_stream_table[0].socket_domain = OS_SocketDomain_INET;
UT_SetDeferredRetcode(UT_KEY(OCS_socket), 1, -1);
OSAPI_TEST_FUNCTION_RC(OS_SocketOpen_Impl, (&token), OS_ERROR);
Expand All @@ -57,6 +99,308 @@ void Test_OS_SocketOpen_Impl(void)
OSAPI_TEST_FUNCTION_RC(OS_SocketOpen_Impl, (&token), OS_SUCCESS);
}

void Test_OS_SocketBind_Impl(void)
{
OS_object_token_t token = {0};
OS_SockAddr_t addr = {0};
struct OCS_sockaddr *sa = (struct OCS_sockaddr *)&addr.AddrData;

/* Set up token for index 0 */
token.obj_idx = UT_INDEX_0;

/* Default family case */
sa->sa_family = -1;
OSAPI_TEST_FUNCTION_RC(OS_SocketBind_Impl, (&token, &addr), OS_ERR_BAD_ADDRESS);

/* Note - not attempting to hit addrlen > OS_SOCKADDR_MAX_LEN at this point (NOT MC/DC)
* would require compiling with a small OS_SOCKADDR_MAX_LEN or bigger structure */

/* Fail bind */
sa->sa_family = OCS_AF_INET;
UT_SetDeferredRetcode(UT_KEY(OCS_bind), 1, -1);
OSAPI_TEST_FUNCTION_RC(OS_SocketBind_Impl, (&token, &addr), OS_ERROR);

/* Fail listen */
sa->sa_family = OCS_AF_INET6;
OS_stream_table[0].socket_type = OS_SocketType_STREAM;
UT_SetDeferredRetcode(UT_KEY(OCS_listen), 1, -1);
OSAPI_TEST_FUNCTION_RC(OS_SocketBind_Impl, (&token, &addr), OS_ERROR);

/* Success with OS_SocketType_STREAM */
OSAPI_TEST_FUNCTION_RC(OS_SocketBind_Impl, (&token, &addr), OS_SUCCESS);

/* Success with ~OS_SocketType_STREAM */
OS_stream_table[0].socket_type = ~OS_SocketType_STREAM;
OSAPI_TEST_FUNCTION_RC(OS_SocketBind_Impl, (&token, &addr), OS_SUCCESS);
}

void Test_OS_SocketConnect_Impl(void)
{
OS_object_token_t token = {0};
OS_SockAddr_t addr = {0};
struct OCS_sockaddr *sa = (struct OCS_sockaddr *)&addr.AddrData;
int32 selectflags;
int sockopt;

/* Set up token for index 0 */
token.obj_idx = UT_INDEX_0;

/* Default family case */
sa->sa_family = -1;
addr.ActualLength = sizeof(struct OCS_sockaddr_in);
OSAPI_TEST_FUNCTION_RC(OS_SocketConnect_Impl, (&token, &addr, 0), OS_ERR_BAD_ADDRESS);

/* Sucessful connect */
sa->sa_family = OCS_AF_INET;
OSAPI_TEST_FUNCTION_RC(OS_SocketConnect_Impl, (&token, &addr, 0), OS_SUCCESS);

/* Fail connect, errno ! EINPROGRESS */
OCS_errno = ~OCS_EINPROGRESS;
UT_SetDefaultReturnValue(UT_KEY(OCS_connect), -1);
OSAPI_TEST_FUNCTION_RC(OS_SocketConnect_Impl, (&token, &addr, 0), OS_ERROR);

/* Fail OS_SelectSingle_Impl, errno == EINPROGRESS */
OCS_errno = OCS_EINPROGRESS;
sa->sa_family = OCS_AF_INET6;
addr.ActualLength = sizeof(struct OCS_sockaddr_in6);
OS_impl_filehandle_table[0].selectable = true;
UT_SetDeferredRetcode(UT_KEY(OS_SelectSingle_Impl), 1, UT_ERR_UNIQUE);
OSAPI_TEST_FUNCTION_RC(OS_SocketConnect_Impl, (&token, &addr, 0), UT_ERR_UNIQUE);

/* Timout error by clearing select flags with hook */
selectflags = 0;
UT_SetHookFunction(UT_KEY(OS_SelectSingle_Impl), UT_Hook_OS_SelectSingle_Impl, &selectflags);
OSAPI_TEST_FUNCTION_RC(OS_SocketConnect_Impl, (&token, &addr, 0), OS_ERROR_TIMEOUT);
UT_SetHookFunction(UT_KEY(OS_SelectSingle_Impl), NULL, NULL);

/* Fail getsockopt status */
UT_SetDeferredRetcode(UT_KEY(OCS_getsockopt), 1, -1);
OSAPI_TEST_FUNCTION_RC(OS_SocketConnect_Impl, (&token, &addr, 0), OS_ERROR);

/* Nonzero getsockopt sockopt */
sockopt = 1;
UT_SetHookFunction(UT_KEY(OCS_getsockopt), UT_Hook_OCS_getsockopt, &sockopt);
OSAPI_TEST_FUNCTION_RC(OS_SocketConnect_Impl, (&token, &addr, 0), OS_ERROR);
UT_SetHookFunction(UT_KEY(OCS_getsockopt), NULL, NULL);

/* Success case with selectable */
OSAPI_TEST_FUNCTION_RC(OS_SocketConnect_Impl, (&token, &addr, 0), OS_SUCCESS);

/* Success case with not selectable */
OS_impl_filehandle_table[0].selectable = false;
OSAPI_TEST_FUNCTION_RC(OS_SocketConnect_Impl, (&token, &addr, 0), OS_SUCCESS);
}

void Test_OS_SocketAccept_Impl(void)
{
OS_object_token_t sock_token = {0};
OS_object_token_t conn_token = {0};
OS_SockAddr_t addr = {0};
int32 selectflags;

/* Set up tokens */
sock_token.obj_idx = UT_INDEX_0;
conn_token.obj_idx = UT_INDEX_1;

/* Fail OS_SelectSingle_Impl with sock_token selectable */
OS_impl_filehandle_table[0].selectable = true;
UT_SetDeferredRetcode(UT_KEY(OS_SelectSingle_Impl), 1, UT_ERR_UNIQUE);
OSAPI_TEST_FUNCTION_RC(OS_SocketAccept_Impl, (&sock_token, &conn_token, &addr, 0), UT_ERR_UNIQUE);

/* Timeout by clearing select flags with hook */
selectflags = 0;
UT_SetHookFunction(UT_KEY(OS_SelectSingle_Impl), UT_Hook_OS_SelectSingle_Impl, &selectflags);
OSAPI_TEST_FUNCTION_RC(OS_SocketAccept_Impl, (&sock_token, &conn_token, &addr, 0), OS_ERROR_TIMEOUT);
UT_SetHookFunction(UT_KEY(OS_SelectSingle_Impl), NULL, NULL);

/* Clear selectable and fail accept */
OS_impl_filehandle_table[0].selectable = false;
UT_SetDeferredRetcode(UT_KEY(OCS_accept), 1, -1);
OSAPI_TEST_FUNCTION_RC(OS_SocketAccept_Impl, (&sock_token, &conn_token, &addr, 0), OS_ERROR);

/* Success case */
OSAPI_TEST_FUNCTION_RC(OS_SocketAccept_Impl, (&sock_token, &conn_token, &addr, 0), OS_SUCCESS);
}

void Test_OS_SocketRecvFrom_Impl(void)
{
OS_object_token_t token = {0};
uint8 buffer[UT_BUFFER_SIZE];
OS_SockAddr_t addr = {0};
int32 selectflags;

/* Set up token */
token.obj_idx = UT_INDEX_0;

/* NULL RemoteAddr, selectable, fail OS_SelectSingle_Impl */
OS_impl_filehandle_table[0].selectable = true;
UT_SetDeferredRetcode(UT_KEY(OS_SelectSingle_Impl), 1, UT_ERR_UNIQUE);
OSAPI_TEST_FUNCTION_RC(OS_SocketRecvFrom_Impl, (&token, buffer, sizeof(buffer), NULL, 0), UT_ERR_UNIQUE);

/* Timeout by clearing select flags with hook */
selectflags = 0;
UT_SetHookFunction(UT_KEY(OS_SelectSingle_Impl), UT_Hook_OS_SelectSingle_Impl, &selectflags);
OSAPI_TEST_FUNCTION_RC(OS_SocketRecvFrom_Impl, (&token, buffer, sizeof(buffer), &addr, 0), OS_ERROR_TIMEOUT);
UT_SetHookFunction(UT_KEY(OS_SelectSingle_Impl), NULL, NULL);

/* Not selectable, 0 timeout, EAGAIN error from recvfrom error */
OS_impl_filehandle_table[0].selectable = false;
OCS_errno = OCS_EAGAIN;
UT_SetDeferredRetcode(UT_KEY(OCS_recvfrom), 1, -1);
OSAPI_TEST_FUNCTION_RC(OS_SocketRecvFrom_Impl, (&token, buffer, sizeof(buffer), &addr, 0), OS_QUEUE_EMPTY);

/* With timeout, other error from recvfrom error */
OCS_errno = 0;
UT_SetDeferredRetcode(UT_KEY(OCS_recvfrom), 1, -1);
OSAPI_TEST_FUNCTION_RC(OS_SocketRecvFrom_Impl, (&token, buffer, sizeof(buffer), &addr, 1), OS_ERROR);

/* With timeout, EWOULDBLOCK error from recvfrom error */
OCS_errno = OCS_EWOULDBLOCK;
UT_SetDeferredRetcode(UT_KEY(OCS_recvfrom), 1, -1);
OSAPI_TEST_FUNCTION_RC(OS_SocketRecvFrom_Impl, (&token, buffer, sizeof(buffer), &addr, 1), OS_QUEUE_EMPTY);

/* Success with NULL RemoteAddr */
OSAPI_TEST_FUNCTION_RC(OS_SocketRecvFrom_Impl, (&token, buffer, sizeof(buffer), NULL, 0), OS_SUCCESS);

/* Success with non-NULL RemoteAddr */
OSAPI_TEST_FUNCTION_RC(OS_SocketRecvFrom_Impl, (&token, buffer, sizeof(buffer), &addr, 0), OS_SUCCESS);
}

void Test_OS_SocketSendTo_Impl(void)
{
OS_object_token_t token = {0};
uint8 buffer[UT_BUFFER_SIZE];
OS_SockAddr_t addr = {0};
struct OCS_sockaddr *sa = (struct OCS_sockaddr *)&addr.AddrData;

/* Set up token */
token.obj_idx = UT_INDEX_0;

/* Bad adderss length */
sa->sa_family = -1;
addr.ActualLength = sizeof(struct OCS_sockaddr_in);
OSAPI_TEST_FUNCTION_RC(OS_SocketSendTo_Impl, (&token, buffer, sizeof(buffer), &addr), OS_ERR_BAD_ADDRESS);

/* AF_INET, failed sendto */
sa->sa_family = OCS_AF_INET;
UT_SetDeferredRetcode(UT_KEY(OCS_sendto), 1, -1);
OSAPI_TEST_FUNCTION_RC(OS_SocketSendTo_Impl, (&token, buffer, sizeof(buffer), &addr), OS_ERROR);

/* AF_INET6, success */
sa->sa_family = OCS_AF_INET6;
addr.ActualLength = sizeof(struct OCS_sockaddr_in6);
OSAPI_TEST_FUNCTION_RC(OS_SocketSendTo_Impl, (&token, buffer, sizeof(buffer), &addr), OS_SUCCESS);
}

void Test_OS_SocketGetInfo_Impl(void)
{
OSAPI_TEST_FUNCTION_RC(OS_SocketGetInfo_Impl, (NULL, NULL), OS_SUCCESS);
}

void Test_OS_SocketAddrInit_Impl(void)
{
OS_SockAddr_t addr = {0};
struct OCS_sockaddr *sa = (struct OCS_sockaddr *)&addr.AddrData;

/* Unknown domain */
sa->sa_family = -1;
addr.ActualLength = 5;
OSAPI_TEST_FUNCTION_RC(OS_SocketAddrInit_Impl, (&addr, -1), OS_ERR_NOT_IMPLEMENTED);
UtAssert_INT32_EQ(sa->sa_family, 0);
UtAssert_INT32_EQ(addr.ActualLength, 0);

/* Note - not attempting to hit addrlen > OS_SOCKADDR_MAX_LEN at this point (NOT MC/DC)
* would require compiling with a small OS_SOCKADDR_MAX_LEN or bigger structure */

/* INET, success */
OSAPI_TEST_FUNCTION_RC(OS_SocketAddrInit_Impl, (&addr, OS_SocketDomain_INET), OS_SUCCESS);
UtAssert_INT32_EQ(sa->sa_family, OCS_AF_INET);
UtAssert_INT32_EQ(addr.ActualLength, sizeof(struct OCS_sockaddr_in));

/* AF_INET6, success */
OSAPI_TEST_FUNCTION_RC(OS_SocketAddrInit_Impl, (&addr, OS_SocketDomain_INET6), OS_SUCCESS);
UtAssert_INT32_EQ(sa->sa_family, OCS_AF_INET6);
UtAssert_INT32_EQ(addr.ActualLength, sizeof(struct OCS_sockaddr_in6));
}

void Test_OS_SocketAddrToString_Impl(void)
{
char buffer[UT_BUFFER_SIZE];
OS_SockAddr_t addr = {0};
struct OCS_sockaddr *sa = (struct OCS_sockaddr *)&addr.AddrData;

/* Bad family */
sa->sa_family = -1;
OSAPI_TEST_FUNCTION_RC(OS_SocketAddrToString_Impl, (buffer, sizeof(buffer), &addr), OS_ERR_BAD_ADDRESS);

/* AF_INET6 failed inet_ntop */
sa->sa_family = OCS_AF_INET6;
UT_SetDeferredRetcode(UT_KEY(OCS_inet_ntop), 1, -1);
OSAPI_TEST_FUNCTION_RC(OS_SocketAddrToString_Impl, (buffer, sizeof(buffer), &addr), OS_ERROR);

/* AF_INET, success */
sa->sa_family = OCS_AF_INET;
OSAPI_TEST_FUNCTION_RC(OS_SocketAddrToString_Impl, (buffer, sizeof(buffer), &addr), OS_SUCCESS);
}

void Test_OS_SocketAddrFromString_Impl(void)
{
char buffer[UT_BUFFER_SIZE];
OS_SockAddr_t addr = {0};
struct OCS_sockaddr *sa = (struct OCS_sockaddr *)&addr.AddrData;

/* Bad family */
sa->sa_family = -1;
OSAPI_TEST_FUNCTION_RC(OS_SocketAddrFromString_Impl, (&addr, buffer), OS_ERR_BAD_ADDRESS);

/* AF_INET6 failed inet_ntop */
sa->sa_family = OCS_AF_INET6;
UT_SetDeferredRetcode(UT_KEY(OCS_inet_pton), 1, -1);
OSAPI_TEST_FUNCTION_RC(OS_SocketAddrFromString_Impl, (&addr, buffer), OS_ERROR);

/* AF_INET, success */
sa->sa_family = OCS_AF_INET;
OSAPI_TEST_FUNCTION_RC(OS_SocketAddrFromString_Impl, (&addr, buffer), OS_SUCCESS);
}

void Test_OS_SocketAddrGetPort_Impl(void)
{
uint16 port;
OS_SockAddr_t addr = {0};
struct OCS_sockaddr *sa = (struct OCS_sockaddr *)&addr.AddrData;

/* Bad family */
sa->sa_family = -1;
OSAPI_TEST_FUNCTION_RC(OS_SocketAddrGetPort_Impl, (&port, &addr), OS_ERR_BAD_ADDRESS);

/* AF_INET6, success */
sa->sa_family = OCS_AF_INET6;
OSAPI_TEST_FUNCTION_RC(OS_SocketAddrGetPort_Impl, (&port, &addr), OS_SUCCESS);

/* AF_INET, success */
sa->sa_family = OCS_AF_INET;
OSAPI_TEST_FUNCTION_RC(OS_SocketAddrGetPort_Impl, (&port, &addr), OS_SUCCESS);
}

void Test_OS_SocketAddrSetPort_Impl(void)
{
uint16 port = 1;
OS_SockAddr_t addr = {0};
struct OCS_sockaddr *sa = (struct OCS_sockaddr *)&addr.AddrData;

/* Bad family */
sa->sa_family = -1;
OSAPI_TEST_FUNCTION_RC(OS_SocketAddrSetPort_Impl, (&addr, port), OS_ERR_BAD_ADDRESS);

/* AF_INET6, success */
sa->sa_family = OCS_AF_INET6;
OSAPI_TEST_FUNCTION_RC(OS_SocketAddrSetPort_Impl, (&addr, port), OS_SUCCESS);

/* AF_INET, success */
sa->sa_family = OCS_AF_INET;
OSAPI_TEST_FUNCTION_RC(OS_SocketAddrSetPort_Impl, (&addr, port), OS_SUCCESS);
}

/* ------------------- End of test cases --------------------------------------*/

/* Osapi_Test_Setup
Expand Down Expand Up @@ -86,4 +430,15 @@ void Osapi_Test_Teardown(void) {}
void UtTest_Setup(void)
{
ADD_TEST(OS_SocketOpen_Impl);
ADD_TEST(OS_SocketBind_Impl);
ADD_TEST(OS_SocketConnect_Impl);
ADD_TEST(OS_SocketAccept_Impl);
ADD_TEST(OS_SocketRecvFrom_Impl);
ADD_TEST(OS_SocketSendTo_Impl);
ADD_TEST(OS_SocketGetInfo_Impl);
ADD_TEST(OS_SocketAddrInit_Impl);
ADD_TEST(OS_SocketAddrToString_Impl);
ADD_TEST(OS_SocketAddrFromString_Impl);
ADD_TEST(OS_SocketAddrGetPort_Impl);
ADD_TEST(OS_SocketAddrSetPort_Impl);
}
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