SDL/visualtest/src/harness_argparser.c

359 lines
10 KiB
C

/* See LICENSE.txt for the full license governing this code. */
/**
* \file harness_argparser.c
*
* Source file for functions to parse arguments to the test harness.
*/
#include <SDL_test.h>
#include <stdio.h>
#include <string.h>
#include "SDL_visualtest_harness_argparser.h"
#include "SDL_visualtest_rwhelper.h"
/** Maximum length of one line in the config file */
#define MAX_CONFIG_LINE_LEN 400
/** Default value for the timeout after which the SUT is forcefully killed */
#define DEFAULT_SUT_TIMEOUT (60 * 1000)
/* String compare s1 and s2 ignoring leading hyphens */
static int
StrCaseCmpIgnoreHyphen(const char* s1, const char* s2)
{
/* treat NULL pointer as empty strings */
if(!s1)
s1 = "";
if(!s2)
s2 = "";
while(*s1 == '-')
s1++;
while(*s2 == '-')
s2++;
return SDL_strcasecmp(s1, s2);
}
/* parser an argument, updates the state object and returns the number of
arguments processed; returns -1 on failure */
static int
ParseArg(char** argv, int index, SDLVisualTest_HarnessState* state)
{
if(!argv || !argv[index] || !state)
return 0;
if(StrCaseCmpIgnoreHyphen("sutapp", argv[index]) == 0)
{
index++;
if(!argv[index])
{
SDLTest_LogError("Arguments parsing error: Invalid argument for sutapp.");
return -1;
}
SDL_strlcpy(state->sutapp, argv[index], MAX_PATH_LEN);
SDLTest_Log("SUT Application: %s", state->sutapp);
return 2;
}
else if(StrCaseCmpIgnoreHyphen("output-dir", argv[index]) == 0)
{
index++;
if(!argv[index])
{
SDLTest_LogError("Arguments parsing error: Invalid argument for output-dir.");
return -1;
}
SDL_strlcpy(state->output_dir, argv[index], MAX_PATH_LEN);
SDLTest_Log("Screenshot Output Directory: %s", state->output_dir);
return 2;
}
else if(StrCaseCmpIgnoreHyphen("verify-dir", argv[index]) == 0)
{
index++;
if(!argv[index])
{
SDLTest_LogError("Arguments parsing error: Invalid argument for verify-dir.");
return -1;
}
SDL_strlcpy(state->verify_dir, argv[index], MAX_PATH_LEN);
SDLTest_Log("Screenshot Verification Directory: %s", state->verify_dir);
return 2;
}
else if(StrCaseCmpIgnoreHyphen("sutargs", argv[index]) == 0)
{
index++;
if(!argv[index])
{
SDLTest_LogError("Arguments parsing error: Invalid argument for sutargs.");
return -1;
}
SDL_strlcpy(state->sutargs, argv[index], MAX_SUT_ARGS_LEN);
SDLTest_Log("SUT Arguments: %s", state->sutargs);
return 2;
}
else if(StrCaseCmpIgnoreHyphen("timeout", argv[index]) == 0)
{
int hr, min, sec;
index++;
if(!argv[index] || SDL_sscanf(argv[index], "%d:%d:%d", &hr, &min, &sec) != 3)
{
SDLTest_LogError("Arguments parsing error: Invalid argument for timeout.");
return -1;
}
state->timeout = (((hr * 60) + min) * 60 + sec) * 1000;
SDLTest_Log("Maximum Timeout for each SUT run: %d milliseconds",
state->timeout);
return 2;
}
else if(StrCaseCmpIgnoreHyphen("parameter-config", argv[index]) == 0)
{
index++;
if(!argv[index])
{
SDLTest_LogError("Arguments parsing error: Invalid argument for parameter-config.");
return -1;
}
SDLTest_Log("SUT Parameters file: %s", argv[index]);
SDLVisualTest_FreeSUTConfig(&state->sut_config);
if(!SDLVisualTest_ParseSUTConfig(argv[index], &state->sut_config))
{
SDLTest_LogError("Failed to parse SUT parameters file");
return -1;
}
return 2;
}
else if(StrCaseCmpIgnoreHyphen("variator", argv[index]) == 0)
{
index++;
if(!argv[index])
{
SDLTest_LogError("Arguments parsing error: Invalid argument for variator.");
return -1;
}
SDLTest_Log("Variator: %s", argv[index]);
if(SDL_strcasecmp("exhaustive", argv[index]) == 0)
state->variator_type = SDL_VARIATOR_EXHAUSTIVE;
else if(SDL_strcasecmp("random", argv[index]) == 0)
state->variator_type = SDL_VARIATOR_RANDOM;
else
{
SDLTest_LogError("Arguments parsing error: Invalid variator name.");
return -1;
}
return 2;
}
else if(StrCaseCmpIgnoreHyphen("num-variations", argv[index]) == 0)
{
index++;
if(!argv[index])
{
SDLTest_LogError("Arguments parsing error: Invalid argument for num-variations.");
return -1;
}
state->num_variations = SDL_atoi(argv[index]);
SDLTest_Log("Number of variations to run: %d", state->num_variations);
if(state->num_variations <= 0)
{
SDLTest_LogError("Arguments parsing error: num-variations must be positive.");
return -1;
}
return 2;
}
else if(StrCaseCmpIgnoreHyphen("no-launch", argv[index]) == 0)
{
state->no_launch = SDL_TRUE;
SDLTest_Log("SUT will not be launched.");
return 1;
}
else if(StrCaseCmpIgnoreHyphen("action-config", argv[index]) == 0)
{
index++;
if(!argv[index])
{
SDLTest_LogError("Arguments parsing error: invalid argument for action-config");
return -1;
}
SDLTest_Log("Action Config file: %s", argv[index]);
SDLVisualTest_EmptyActionQueue(&state->action_queue);
if(!SDLVisualTest_ParseActionConfig(argv[index], &state->action_queue))
{
SDLTest_LogError("SDLVisualTest_ParseActionConfig() failed");
return -1;
}
return 2;
}
else if(StrCaseCmpIgnoreHyphen("config", argv[index]) == 0)
{
index++;
if(!argv[index])
{
SDLTest_LogError("Arguments parsing error: invalid argument for config");
return -1;
}
/* do nothing, this option has already been handled */
return 2;
}
return 0;
}
/* TODO: Trailing/leading spaces and spaces between equals sign not supported. */
static int
ParseConfig(const char* file, SDLVisualTest_HarnessState* state)
{
SDL_RWops* rw;
SDLVisualTest_RWHelperBuffer buffer;
char line[MAX_CONFIG_LINE_LEN];
rw = SDL_RWFromFile(file, "r");
if(!rw)
{
SDLTest_LogError("SDL_RWFromFile() failed");
return 0;
}
SDLVisualTest_RWHelperResetBuffer(&buffer);
while(SDLVisualTest_RWHelperReadLine(rw, line, MAX_CONFIG_LINE_LEN,
&buffer, '#'))
{
char** argv;
int i, num_params;
/* count number of parameters and replace the trailing newline with 0 */
num_params = 1;
for(i = 0; line[i]; i++)
{
if(line[i] == '=')
{
num_params = 2;
break;
}
}
/* populate argv */
argv = (char**)SDL_malloc((num_params + 1) * sizeof(char*));
if(!argv)
{
SDLTest_LogError("SDL_malloc() failed.");
SDL_RWclose(rw);
return 0;
}
argv[num_params] = NULL;
for(i = 0; i < num_params; i++)
{
argv[i] = strtok(i == 0 ? line : NULL, "=");
}
if(ParseArg(argv, 0, state) == -1)
{
SDLTest_LogError("ParseArg() failed");
SDL_free(argv);
SDL_RWclose(rw);
return 0;
}
SDL_free(argv);
}
SDL_RWclose(rw);
if(!state->sutapp[0])
return 0;
return 1;
}
int
SDLVisualTest_ParseHarnessArgs(char** argv, SDLVisualTest_HarnessState* state)
{
int i;
SDLTest_Log("Parsing commandline arguments..");
if(!argv)
{
SDLTest_LogError("argv is NULL");
return 0;
}
if(!state)
{
SDLTest_LogError("state is NULL");
return 0;
}
/* initialize the state object */
state->sutargs[0] = '\0';
state->sutapp[0] = '\0';
state->output_dir[0] = '\0';
state->verify_dir[0] = '\0';
state->timeout = DEFAULT_SUT_TIMEOUT;
SDL_memset(&state->sut_config, 0, sizeof(SDLVisualTest_SUTConfig));
SDL_memset(&state->action_queue, 0, sizeof(SDLVisualTest_ActionQueue));
state->variator_type = SDL_VARIATOR_RANDOM;
state->num_variations = -1;
state->no_launch = SDL_FALSE;
/* parse config file if passed */
for(i = 0; argv[i]; i++)
{
if(StrCaseCmpIgnoreHyphen("config", argv[i]) == 0)
{
if(!argv[i + 1])
{
SDLTest_Log("Arguments parsing error: invalid argument for config.");
return 0;
}
if(!ParseConfig(argv[i + 1], state))
{
SDLTest_LogError("ParseConfig() failed");
return 0;
}
}
}
/* parse the arguments */
for(i = 0; argv[i];)
{
int consumed = ParseArg(argv, i, state);
if(consumed == -1 || consumed == 0)
{
SDLTest_LogError("ParseArg() failed");
return 0;
}
i += consumed;
}
if(state->variator_type == SDL_VARIATOR_RANDOM && state->num_variations == -1)
state->num_variations = 1;
/* check to see if required options have been passed */
if(!state->sutapp[0])
{
SDLTest_LogError("sutapp must be passed.");
return 0;
}
if(!state->sutargs[0] && !state->sut_config.options)
{
SDLTest_LogError("Either sutargs or parameter-config must be passed.");
return 0;
}
if(!state->output_dir[0])
{
SDL_strlcpy(state->output_dir, "./output", MAX_PATH_LEN);
}
if(!state->verify_dir[0])
{
SDL_strlcpy(state->verify_dir, "./verify", MAX_PATH_LEN);
}
return 1;
}
void
SDLVisualTest_FreeHarnessState(SDLVisualTest_HarnessState* state)
{
if(state)
{
SDLVisualTest_EmptyActionQueue(&state->action_queue);
SDLVisualTest_FreeSUTConfig(&state->sut_config);
}
}