tests/libgit2/stress/diff.c

   1 #include "clar_libgit2.h"
   2 #include "../diff/diff_helpers.h"
   3
   4 static git_repository *g_repo = NULL;
   5
   6 void test_stress_diff__initialize(void)
   7 {
   8 }
   9
  10 void test_stress_diff__cleanup(void)
  11 {
  12         cl_git_sandbox_cleanup();
  13 }
  14
  15 #define ANOTHER_POEM \
  16 "OH, glorious are the guarded heights\nWhere guardian souls abide—\nSelf-exiled from our gross delights—\nAbove, beyond, outside:\nAn ampler arc their spirit swings—\nCommands a juster view—\nWe have their word for all these things,\nNo doubt their words are true.\n\nYet we, the bond slaves of our day,\nWhom dirt and danger press—\nCo-heirs of insolence, delay,\nAnd leagued unfaithfulness—\nSuch is our need must seek indeed\nAnd, having found, engage\nThe men who merely do the work\nFor which they draw the wage.\n\nFrom forge and farm and mine and bench,\nDeck, altar, outpost lone—\nMill, school, battalion, counter, trench,\nRail, senate, sheepfold, throne—\nCreation's cry goes up on high\nFrom age to cheated age:\n\"Send us the men who do the work\n\"For which they draw the wage!\"\n"
  17
  18 static void test_with_many(int expected_new)
  19 {
  20         git_index *index;
  21         git_tree *tree, *new_tree;
  22         git_diff *diff = NULL;
  23         diff_expects exp;
  24         git_diff_options diffopts = GIT_DIFF_OPTIONS_INIT;
  25         git_diff_find_options opts = GIT_DIFF_FIND_OPTIONS_INIT;
  26
  27         cl_git_pass(git_repository_index(&index, g_repo));
  28         cl_git_pass(
  29                 git_revparse_single((git_object **)&tree, g_repo, "HEAD^{tree}"));
  30
  31         cl_git_pass(p_rename("renames/ikeepsix.txt", "renames/ikeepsix2.txt"));
  32         cl_git_pass(git_index_remove_bypath(index, "ikeepsix.txt"));
  33         cl_git_pass(git_index_add_bypath(index, "ikeepsix2.txt"));
  34         cl_git_pass(git_index_write(index));
  35
  36         cl_git_pass(git_diff_tree_to_index(&diff, g_repo, tree, index, &diffopts));
  37
  38         memset(&exp, 0, sizeof(exp));
  39         cl_git_pass(git_diff_foreach(
  40                 diff, diff_file_cb, NULL, NULL, NULL, &exp));
  41         cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]);
  42         cl_assert_equal_i(expected_new + 1, exp.file_status[GIT_DELTA_ADDED]);
  43         cl_assert_equal_i(expected_new + 2, exp.files);
  44
  45         opts.flags = GIT_DIFF_FIND_ALL;
  46         cl_git_pass(git_diff_find_similar(diff, &opts));
  47
  48         memset(&exp, 0, sizeof(exp));
  49         cl_git_pass(git_diff_foreach(
  50                 diff, diff_file_cb, NULL, NULL, NULL, &exp));
  51         cl_assert_equal_i(1, exp.file_status[GIT_DELTA_RENAMED]);
  52         cl_assert_equal_i(expected_new, exp.file_status[GIT_DELTA_ADDED]);
  53         cl_assert_equal_i(expected_new + 1, exp.files);
  54
  55         git_diff_free(diff);
  56
  57         cl_repo_commit_from_index(NULL, g_repo, NULL, 1372350000, "yoyoyo");
  58         cl_git_pass(git_revparse_single(
  59                 (git_object **)&new_tree, g_repo, "HEAD^{tree}"));
  60
  61         cl_git_pass(git_diff_tree_to_tree(
  62                 &diff, g_repo, tree, new_tree, &diffopts));
  63
  64         memset(&exp, 0, sizeof(exp));
  65         cl_git_pass(git_diff_foreach(
  66                 diff, diff_file_cb, NULL, NULL, NULL, &exp));
  67         cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]);
  68         cl_assert_equal_i(expected_new + 1, exp.file_status[GIT_DELTA_ADDED]);
  69         cl_assert_equal_i(expected_new + 2, exp.files);
  70
  71         opts.flags = GIT_DIFF_FIND_ALL;
  72         cl_git_pass(git_diff_find_similar(diff, &opts));
  73
  74         memset(&exp, 0, sizeof(exp));
  75         cl_git_pass(git_diff_foreach(
  76                 diff, diff_file_cb, NULL, NULL, NULL, &exp));
  77         cl_assert_equal_i(1, exp.file_status[GIT_DELTA_RENAMED]);
  78         cl_assert_equal_i(expected_new, exp.file_status[GIT_DELTA_ADDED]);
  79         cl_assert_equal_i(expected_new + 1, exp.files);
  80
  81         git_diff_free(diff);
  82
  83         git_tree_free(new_tree);
  84         git_tree_free(tree);
  85         git_index_free(index);
  86 }
  87
  88 void test_stress_diff__rename_big_files(void)
  89 {
  90         git_index *index;
  91         char tmp[64];
  92         int i, j;
  93         git_str b = GIT_STR_INIT;
  94
  95         g_repo = cl_git_sandbox_init("renames");
  96
  97         cl_git_pass(git_repository_index(&index, g_repo));
  98
  99         for (i = 0; i < 100; i += 1) {
 100                 p_snprintf(tmp, sizeof(tmp), "renames/newfile%03d", i);
 101                 for (j = i * 256; j > 0; --j)
 102                         git_str_printf(&b, "more content %d\n", i);
 103                 cl_git_mkfile(tmp, b.ptr);
 104         }
 105
 106         for (i = 0; i < 100; i += 1) {
 107                 p_snprintf(tmp, sizeof(tmp), "renames/newfile%03d", i);
 108                 cl_git_pass(git_index_add_bypath(index, tmp + strlen("renames/")));
 109         }
 110
 111         git_str_dispose(&b);
 112         git_index_free(index);
 113
 114         test_with_many(100);
 115 }
 116
 117 void test_stress_diff__rename_many_files(void)
 118 {
 119         git_index *index;
 120         char tmp[64];
 121         int i;
 122         git_str b = GIT_STR_INIT;
 123
 124         g_repo = cl_git_sandbox_init("renames");
 125
 126         cl_git_pass(git_repository_index(&index, g_repo));
 127
 128         git_str_printf(&b, "%08d\n" ANOTHER_POEM "%08d\n" ANOTHER_POEM ANOTHER_POEM, 0, 0);
 129
 130         for (i = 0; i < 2500; i += 1) {
 131                 p_snprintf(tmp, sizeof(tmp), "renames/newfile%03d", i);
 132                 p_snprintf(b.ptr, 9, "%08d", i);
 133                 b.ptr[8] = '\n';
 134                 cl_git_mkfile(tmp, b.ptr);
 135         }
 136         git_str_dispose(&b);
 137
 138         for (i = 0; i < 2500; i += 1) {
 139                 p_snprintf(tmp, sizeof(tmp), "renames/newfile%03d", i);
 140                 cl_git_pass(git_index_add_bypath(index, tmp + strlen("renames/")));
 141         }
 142
 143         git_index_free(index);
 144
 145         test_with_many(2500);
 146 }