text: /*  test/split/test_parse_args.c -- split test cases.
  
      Copyright (C) 2014 Genome Research Ltd.
  
      Author: Martin O. Pollard <mp15@sanger.ac.uk>
  
  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files (the "Software"), to deal
  in the Software without restriction, including without limitation the rights
  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  copies of the Software, and to permit persons to whom the Software is
  furnished to do so, subject to the following conditions:
  
  The above copyright notice and this permission notice shall be included in
  all copies or substantial portions of the Software.
  
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  DEALINGS IN THE SOFTWARE.  */
  
  #include "../../bam_split.c"
  #include "../test.h"
  #include <stdlib.h>
  #include <unistd.h>
  
  void setup_test_1(int* argc, char*** argv)
  {
      *argc = 1;
      *argv = (char**)calloc(sizeof(char*), 1);
      (*argv)[0] = strdup("prog_name");
  }
  
  bool check_test_1(const parsed_opts_t* opts) {
      if ( opts->merged_input_name != NULL
          || opts->unaccounted_header_name != NULL
          || opts->unaccounted_name != NULL
          || strcmp(opts->output_format_string,"%*_%#.%.")
          || opts->verbose == true )
          return false;
      return true;
  }
  
  void setup_test_2(int* argc, char*** argv)
  {
      *argc = 2;
      *argv = (char**)calloc(sizeof(char*), 2);
      (*argv)[0] = strdup("prog_name");
      (*argv)[1] = strdup("merged.bam");
  }
  
  bool check_test_2(const parsed_opts_t* opts) {
      if ( opts->merged_input_name == NULL
          || strcmp(opts->merged_input_name, "merged.bam")
          || opts->unaccounted_header_name != NULL
          || opts->unaccounted_name != NULL
          || strcmp(opts->output_format_string,"%*_%#.%.")
          || opts->verbose == true )
          return false;
      return true;
  }
  
  int main(int argc, char**argv)
  {
      // test state
      const int NUM_TESTS = 2;
      int verbose = 0;
      int success = 0;
      int failure = 0;
  
      int getopt_char;
      while ((getopt_char = getopt(argc, argv, "v")) != -1) {
          switch (getopt_char) {
              case 'v':
                  ++verbose;
                  break;
              default:
                  printf(
                         "usage: test_parse_args [-v]\n\n"
                         " -v verbose output\n"
                         );
                  break;
          }
      }
  
      // Setup stdout and stderr redirect
      kstring_t res_stdout = { 0, 0, NULL };
      kstring_t res_stderr = { 0, 0, NULL };
      FILE* orig_stdout = fdopen(dup(STDOUT_FILENO), "a"); // Save stderr
      FILE* orig_stderr = fdopen(dup(STDERR_FILENO), "a"); // Save stderr
      char* tempfname_stdout = (optind < argc)? argv[optind] : "test_parse_args.tmp.o";
      char* tempfname_stderr = (optind < argc)? argv[optind] : "test_parse_args.tmp.e";
      FILE* check_stdout = NULL;
      FILE* check_stderr = NULL;
  
      // Cleanup getopt
      optind = 1;
  
      // setup
      if (verbose) fprintf(orig_stdout,"BEGIN test 1\n");  // test eliminating a tag that isn't there
      int argc_1;
      char** argv_1;
      setup_test_1(&argc_1, &argv_1);
      if (verbose > 1) {
          fprintf(orig_stdout, "argc: %d\n", argc_1);
      }
      if (verbose) fprintf(orig_stdout,"RUN test 1\n");
  
      // test
      xfreopen(tempfname_stdout, "w", stdout); // Redirect stdout to pipe
      xfreopen(tempfname_stderr, "w", stderr); // Redirect stderr to pipe
      parsed_opts_t* result_1 = parse_args(argc_1, argv_1);
      fclose(stdout);
      fclose(stderr);
  
      if (verbose) fprintf(orig_stdout, "END RUN test 1\n");
      if (verbose > 1) {
          fprintf(orig_stdout, "argc: %d\n", argc_1);
      }
  
      // check result
      res_stdout.l = res_stderr.l = 0;
      check_stdout = fopen(tempfname_stdout, "r");
      check_stderr = fopen(tempfname_stderr, "r");
      if ( !result_1
          && kgetline(&res_stdout, (kgets_func *)fgets, check_stdout) >= 0
          && !feof(check_stdout)
          && res_stdout.l > 0
          && kgetline(&res_stderr, (kgets_func *)fgets, check_stderr) < 0
          && (feof(check_stderr) || res_stderr.l == 0)) {
          ++success;
      } else {
          ++failure;
          if (verbose) fprintf(orig_stdout, "FAIL test 1\n");
      }
      fclose(check_stderr);
      fclose(check_stdout);
  
      // teardown
      cleanup_opts(result_1);
      int i = 0;
      for (i = 0; i < argc_1; ++i) {
          free(argv_1[i]);
      }
      free(argv_1);
      if (verbose) fprintf(orig_stdout, "END test 1\n");
  
      // Cleanup getopt
      optind = 1;
  
      if (verbose) fprintf(orig_stdout, "BEGIN test 2\n");  // test eliminating a tag that is there
      int argc_2;
      char** argv_2;
      setup_test_2(&argc_2, &argv_2);
      if (verbose > 1) {
          fprintf(orig_stdout, "argc: %d\n", argc_2);
      }
      if (verbose) fprintf(orig_stdout, "RUN test 2\n");
  
      // test
      xfreopen(tempfname_stdout, "w", stdout); // Redirect stdout to pipe
      xfreopen(tempfname_stderr, "w", stderr); // Redirect stderr to pipe
      parsed_opts_t* result_2 = parse_args(argc_2, argv_2);
      fclose(stdout);
      fclose(stderr);
  
      if (verbose) fprintf(orig_stdout, "END RUN test 2\n");
      if (verbose > 1) {
          fprintf(orig_stdout, "argc: %d\n", argc_2);
      }
  
      // check result
      res_stdout.l = res_stderr.l = 0;
      check_stdout = fopen(tempfname_stdout, "r");
      check_stderr = fopen(tempfname_stderr, "r");
      if ( result_2
          && check_test_2(result_2)
          && kgetline(&res_stdout, (kgets_func *)fgets, check_stdout) < 0
          && (feof(check_stdout) || res_stdout.l == 0)
          && kgetline(&res_stderr, (kgets_func *)fgets, check_stderr) < 0
          && (feof(check_stderr) || res_stderr.l == 0)) {
          ++success;
      } else {
          ++failure;
          if (verbose) fprintf(orig_stdout, "FAIL test 2\n");
      }
      fclose(check_stdout);
      fclose(check_stderr);
  
      // teardown
      cleanup_opts(result_2);
      int j = 0;
      for (j = 0; j < argc_2; ++j) {
          free(argv_2[j]);
      }
      free(argv_2);
  
      if (verbose) fprintf(orig_stdout, "END test 2\n");
  
  
      // Cleanup
      free(res_stdout.s);
      free(res_stderr.s);
      remove(tempfname_stdout);
      remove(tempfname_stderr);
      fclose(orig_stdout);
      if (failure > 0)
          fprintf(orig_stderr, "%d failures %d successes\n", failure, success);
      fclose(orig_stderr);
  
      return (success == NUM_TESTS)? EXIT_SUCCESS : EXIT_FAILURE;
  }
  