Andrew's git - gitweb.git/blob - t/helper/test-path-utils.c

   1#include "cache.h"
   2#include "string-list.h"
   3#include "utf8.h"
   4
   5/*
   6 * A "string_list_each_func_t" function that normalizes an entry from
   7 * GIT_CEILING_DIRECTORIES.  If the path is unusable for some reason,
   8 * die with an explanation.
   9 */
  10static int normalize_ceiling_entry(struct string_list_item *item, void *unused)
  11{
  12        char *ceil = item->string;
  13
  14        if (!*ceil)
  15                die("Empty path is not supported");
  16        if (!is_absolute_path(ceil))
  17                die("Path \"%s\" is not absolute", ceil);
  18        if (normalize_path_copy(ceil, ceil) < 0)
  19                die("Path \"%s\" could not be normalized", ceil);
  20        return 1;
  21}
  22
  23static void normalize_argv_string(const char **var, const char *input)
  24{
  25        if (!strcmp(input, "<null>"))
  26                *var = NULL;
  27        else if (!strcmp(input, "<empty>"))
  28                *var = "";
  29        else
  30                *var = input;
  31
  32        if (*var && (**var == '<' || **var == '('))
  33                die("Bad value: %s\n", input);
  34}
  35
  36struct test_data {
  37        const char *from;  /* input:  transform from this ... */
  38        const char *to;    /* output: ... to this.            */
  39        const char *alternative; /* output: ... or this.      */
  40};
  41
  42static int test_function(struct test_data *data, char *(*func)(char *input),
  43        const char *funcname)
  44{
  45        int failed = 0, i;
  46        char buffer[1024];
  47        char *to;
  48
  49        for (i = 0; data[i].to; i++) {
  50                if (!data[i].from)
  51                        to = func(NULL);
  52                else {
  53                        xsnprintf(buffer, sizeof(buffer), "%s", data[i].from);
  54                        to = func(buffer);
  55                }
  56                if (!strcmp(to, data[i].to))
  57                        continue;
  58                if (!data[i].alternative)
  59                        error("FAIL: %s(%s) => '%s' != '%s'\n",
  60                                funcname, data[i].from, to, data[i].to);
  61                else if (!strcmp(to, data[i].alternative))
  62                        continue;
  63                else
  64                        error("FAIL: %s(%s) => '%s' != '%s', '%s'\n",
  65                                funcname, data[i].from, to, data[i].to,
  66                                data[i].alternative);
  67                failed = 1;
  68        }
  69        return failed;
  70}
  71
  72static struct test_data basename_data[] = {
  73        /* --- POSIX type paths --- */
  74        { NULL,              "."    },
  75        { "",                "."    },
  76        { ".",               "."    },
  77        { "..",              ".."   },
  78        { "/",               "/"    },
  79        { "//",              "/", "//" },
  80        { "///",             "/", "//" },
  81        { "////",            "/", "//" },
  82        { "usr",             "usr"  },
  83        { "/usr",            "usr"  },
  84        { "/usr/",           "usr"  },
  85        { "/usr//",          "usr"  },
  86        { "/usr/lib",        "lib"  },
  87        { "usr/lib",         "lib"  },
  88        { "usr/lib///",      "lib"  },
  89
  90#if defined(__MINGW32__) || defined(_MSC_VER)
  91        /* --- win32 type paths --- */
  92        { "\\usr",           "usr"  },
  93        { "\\usr\\",         "usr"  },
  94        { "\\usr\\\\",       "usr"  },
  95        { "\\usr\\lib",      "lib"  },
  96        { "usr\\lib",        "lib"  },
  97        { "usr\\lib\\\\\\",  "lib"  },
  98        { "C:/usr",          "usr"  },
  99        { "C:/usr",          "usr"  },
 100        { "C:/usr/",         "usr"  },
 101        { "C:/usr//",        "usr"  },
 102        { "C:/usr/lib",      "lib"  },
 103        { "C:usr/lib",       "lib"  },
 104        { "C:usr/lib///",    "lib"  },
 105        { "C:",              "."    },
 106        { "C:a",             "a"    },
 107        { "C:/",             "/"    },
 108        { "C:///",           "/"    },
 109        { "\\",              "\\", "/" },
 110        { "\\\\",            "\\", "/" },
 111        { "\\\\\\",          "\\", "/" },
 112#endif
 113        { NULL,              NULL   }
 114};
 115
 116static struct test_data dirname_data[] = {
 117        /* --- POSIX type paths --- */
 118        { NULL,              "."      },
 119        { "",                "."      },
 120        { ".",               "."      },
 121        { "..",              "."      },
 122        { "/",               "/"      },
 123        { "//",              "/", "//" },
 124        { "///",             "/", "//" },
 125        { "////",            "/", "//" },
 126        { "usr",             "."      },
 127        { "/usr",            "/"      },
 128        { "/usr/",           "/"      },
 129        { "/usr//",          "/"      },
 130        { "/usr/lib",        "/usr"   },
 131        { "usr/lib",         "usr"    },
 132        { "usr/lib///",      "usr"    },
 133
 134#if defined(__MINGW32__) || defined(_MSC_VER)
 135        /* --- win32 type paths --- */
 136        { "\\",              "\\"     },
 137        { "\\\\",            "\\\\"   },
 138        { "\\usr",           "\\"     },
 139        { "\\usr\\",         "\\"     },
 140        { "\\usr\\\\",       "\\"     },
 141        { "\\usr\\lib",      "\\usr"  },
 142        { "usr\\lib",        "usr"    },
 143        { "usr\\lib\\\\\\",  "usr"    },
 144        { "C:a",             "C:."    },
 145        { "C:/",             "C:/"    },
 146        { "C:///",           "C:/"    },
 147        { "C:/usr",          "C:/"    },
 148        { "C:/usr/",         "C:/"    },
 149        { "C:/usr//",        "C:/"    },
 150        { "C:/usr/lib",      "C:/usr" },
 151        { "C:usr/lib",       "C:usr"  },
 152        { "C:usr/lib///",    "C:usr"  },
 153        { "\\\\\\",          "\\"     },
 154        { "\\\\\\\\",        "\\"     },
 155        { "C:",              "C:.", "." },
 156#endif
 157        { NULL,              NULL     }
 158};
 159
 160static int is_dotgitmodules(const char *path)
 161{
 162        return is_hfs_dotgitmodules(path) || is_ntfs_dotgitmodules(path);
 163}
 164
 165int cmd_main(int argc, const char **argv)
 166{
 167        if (argc == 3 && !strcmp(argv[1], "normalize_path_copy")) {
 168                char *buf = xmallocz(strlen(argv[2]));
 169                int rv = normalize_path_copy(buf, argv[2]);
 170                if (rv)
 171                        buf = "++failed++";
 172                puts(buf);
 173                return 0;
 174        }
 175
 176        if (argc >= 2 && !strcmp(argv[1], "real_path")) {
 177                while (argc > 2) {
 178                        puts(real_path(argv[2]));
 179                        argc--;
 180                        argv++;
 181                }
 182                return 0;
 183        }
 184
 185        if (argc >= 2 && !strcmp(argv[1], "absolute_path")) {
 186                while (argc > 2) {
 187                        puts(absolute_path(argv[2]));
 188                        argc--;
 189                        argv++;
 190                }
 191                return 0;
 192        }
 193
 194        if (argc == 4 && !strcmp(argv[1], "longest_ancestor_length")) {
 195                int len;
 196                struct string_list ceiling_dirs = STRING_LIST_INIT_DUP;
 197                char *path = xstrdup(argv[2]);
 198
 199                /*
 200                 * We have to normalize the arguments because under
 201                 * Windows, bash mangles arguments that look like
 202                 * absolute POSIX paths or colon-separate lists of
 203                 * absolute POSIX paths into DOS paths (e.g.,
 204                 * "/foo:/foo/bar" might be converted to
 205                 * "D:\Src\msysgit\foo;D:\Src\msysgit\foo\bar"),
 206                 * whereas longest_ancestor_length() requires paths
 207                 * that use forward slashes.
 208                 */
 209                if (normalize_path_copy(path, path))
 210                        die("Path \"%s\" could not be normalized", argv[2]);
 211                string_list_split(&ceiling_dirs, argv[3], PATH_SEP, -1);
 212                filter_string_list(&ceiling_dirs, 0,
 213                                   normalize_ceiling_entry, NULL);
 214                len = longest_ancestor_length(path, &ceiling_dirs);
 215                string_list_clear(&ceiling_dirs, 0);
 216                free(path);
 217                printf("%d\n", len);
 218                return 0;
 219        }
 220
 221        if (argc >= 4 && !strcmp(argv[1], "prefix_path")) {
 222                const char *prefix = argv[2];
 223                int prefix_len = strlen(prefix);
 224                int nongit_ok;
 225                setup_git_directory_gently(&nongit_ok);
 226                while (argc > 3) {
 227                        puts(prefix_path(prefix, prefix_len, argv[3]));
 228                        argc--;
 229                        argv++;
 230                }
 231                return 0;
 232        }
 233
 234        if (argc == 4 && !strcmp(argv[1], "strip_path_suffix")) {
 235                char *prefix = strip_path_suffix(argv[2], argv[3]);
 236                printf("%s\n", prefix ? prefix : "(null)");
 237                return 0;
 238        }
 239
 240        if (argc == 3 && !strcmp(argv[1], "print_path")) {
 241                puts(argv[2]);
 242                return 0;
 243        }
 244
 245        if (argc == 4 && !strcmp(argv[1], "relative_path")) {
 246                struct strbuf sb = STRBUF_INIT;
 247                const char *in, *prefix, *rel;
 248                normalize_argv_string(&in, argv[2]);
 249                normalize_argv_string(&prefix, argv[3]);
 250                rel = relative_path(in, prefix, &sb);
 251                if (!rel)
 252                        puts("(null)");
 253                else
 254                        puts(strlen(rel) > 0 ? rel : "(empty)");
 255                strbuf_release(&sb);
 256                return 0;
 257        }
 258
 259        if (argc == 2 && !strcmp(argv[1], "basename"))
 260                return test_function(basename_data, basename, argv[1]);
 261
 262        if (argc == 2 && !strcmp(argv[1], "dirname"))
 263                return test_function(dirname_data, dirname, argv[1]);
 264
 265        if (argc > 2 && !strcmp(argv[1], "is_dotgitmodules")) {
 266                int res = 0, expect = 1, i;
 267                for (i = 2; i < argc; i++)
 268                        if (!strcmp("--not", argv[i]))
 269                                expect = !expect;
 270                        else if (expect != is_dotgitmodules(argv[i]))
 271                                res = error("'%s' is %s.gitmodules", argv[i],
 272                                            expect ? "not " : "");
 273                        else
 274                                fprintf(stderr, "ok: '%s' is %s.gitmodules\n",
 275                                        argv[i], expect ? "" : "not ");
 276                return !!res;
 277        }
 278
 279        fprintf(stderr, "%s: unknown function name: %s\n", argv[0],
 280                argv[1] ? argv[1] : "(there was none)");
 281        return 1;
 282}