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-rw-r--r--t/helper/test-path-utils.c277
1 files changed, 277 insertions, 0 deletions
diff --git a/t/helper/test-path-utils.c b/t/helper/test-path-utils.c
new file mode 100644
index 0000000000..e115d44ac2
--- /dev/null
+++ b/t/helper/test-path-utils.c
@@ -0,0 +1,277 @@
+#include "test-tool.h"
+#include "cache.h"
+#include "string-list.h"
+
+/*
+ * A "string_list_each_func_t" function that normalizes an entry from
+ * GIT_CEILING_DIRECTORIES. If the path is unusable for some reason,
+ * die with an explanation.
+ */
+static int normalize_ceiling_entry(struct string_list_item *item, void *unused)
+{
+ char *ceil = item->string;
+
+ if (!*ceil)
+ die("Empty path is not supported");
+ if (!is_absolute_path(ceil))
+ die("Path \"%s\" is not absolute", ceil);
+ if (normalize_path_copy(ceil, ceil) < 0)
+ die("Path \"%s\" could not be normalized", ceil);
+ return 1;
+}
+
+static void normalize_argv_string(const char **var, const char *input)
+{
+ if (!strcmp(input, "<null>"))
+ *var = NULL;
+ else if (!strcmp(input, "<empty>"))
+ *var = "";
+ else
+ *var = input;
+
+ if (*var && (**var == '<' || **var == '('))
+ die("Bad value: %s\n", input);
+}
+
+struct test_data {
+ const char *from; /* input: transform from this ... */
+ const char *to; /* output: ... to this. */
+ const char *alternative; /* output: ... or this. */
+};
+
+/*
+ * Compatibility wrappers for OpenBSD, whose basename(3) and dirname(3)
+ * have const parameters.
+ */
+static char *posix_basename(char *path)
+{
+ return basename(path);
+}
+
+static char *posix_dirname(char *path)
+{
+ return dirname(path);
+}
+
+static int test_function(struct test_data *data, char *(*func)(char *input),
+ const char *funcname)
+{
+ int failed = 0, i;
+ char buffer[1024];
+ char *to;
+
+ for (i = 0; data[i].to; i++) {
+ if (!data[i].from)
+ to = func(NULL);
+ else {
+ xsnprintf(buffer, sizeof(buffer), "%s", data[i].from);
+ to = func(buffer);
+ }
+ if (!strcmp(to, data[i].to))
+ continue;
+ if (!data[i].alternative)
+ error("FAIL: %s(%s) => '%s' != '%s'\n",
+ funcname, data[i].from, to, data[i].to);
+ else if (!strcmp(to, data[i].alternative))
+ continue;
+ else
+ error("FAIL: %s(%s) => '%s' != '%s', '%s'\n",
+ funcname, data[i].from, to, data[i].to,
+ data[i].alternative);
+ failed = 1;
+ }
+ return failed;
+}
+
+static struct test_data basename_data[] = {
+ /* --- POSIX type paths --- */
+ { NULL, "." },
+ { "", "." },
+ { ".", "." },
+ { "..", ".." },
+ { "/", "/" },
+ { "//", "/", "//" },
+ { "///", "/", "//" },
+ { "////", "/", "//" },
+ { "usr", "usr" },
+ { "/usr", "usr" },
+ { "/usr/", "usr" },
+ { "/usr//", "usr" },
+ { "/usr/lib", "lib" },
+ { "usr/lib", "lib" },
+ { "usr/lib///", "lib" },
+
+#if defined(__MINGW32__) || defined(_MSC_VER)
+ /* --- win32 type paths --- */
+ { "\\usr", "usr" },
+ { "\\usr\\", "usr" },
+ { "\\usr\\\\", "usr" },
+ { "\\usr\\lib", "lib" },
+ { "usr\\lib", "lib" },
+ { "usr\\lib\\\\\\", "lib" },
+ { "C:/usr", "usr" },
+ { "C:/usr", "usr" },
+ { "C:/usr/", "usr" },
+ { "C:/usr//", "usr" },
+ { "C:/usr/lib", "lib" },
+ { "C:usr/lib", "lib" },
+ { "C:usr/lib///", "lib" },
+ { "C:", "." },
+ { "C:a", "a" },
+ { "C:/", "/" },
+ { "C:///", "/" },
+ { "\\", "\\", "/" },
+ { "\\\\", "\\", "/" },
+ { "\\\\\\", "\\", "/" },
+#endif
+ { NULL, NULL }
+};
+
+static struct test_data dirname_data[] = {
+ /* --- POSIX type paths --- */
+ { NULL, "." },
+ { "", "." },
+ { ".", "." },
+ { "..", "." },
+ { "/", "/" },
+ { "//", "/", "//" },
+ { "///", "/", "//" },
+ { "////", "/", "//" },
+ { "usr", "." },
+ { "/usr", "/" },
+ { "/usr/", "/" },
+ { "/usr//", "/" },
+ { "/usr/lib", "/usr" },
+ { "usr/lib", "usr" },
+ { "usr/lib///", "usr" },
+
+#if defined(__MINGW32__) || defined(_MSC_VER)
+ /* --- win32 type paths --- */
+ { "\\", "\\" },
+ { "\\\\", "\\\\" },
+ { "\\usr", "\\" },
+ { "\\usr\\", "\\" },
+ { "\\usr\\\\", "\\" },
+ { "\\usr\\lib", "\\usr" },
+ { "usr\\lib", "usr" },
+ { "usr\\lib\\\\\\", "usr" },
+ { "C:a", "C:." },
+ { "C:/", "C:/" },
+ { "C:///", "C:/" },
+ { "C:/usr", "C:/" },
+ { "C:/usr/", "C:/" },
+ { "C:/usr//", "C:/" },
+ { "C:/usr/lib", "C:/usr" },
+ { "C:usr/lib", "C:usr" },
+ { "C:usr/lib///", "C:usr" },
+ { "\\\\\\", "\\" },
+ { "\\\\\\\\", "\\" },
+ { "C:", "C:.", "." },
+#endif
+ { NULL, NULL }
+};
+
+int cmd__path_utils(int argc, const char **argv)
+{
+ if (argc == 3 && !strcmp(argv[1], "normalize_path_copy")) {
+ char *buf = xmallocz(strlen(argv[2]));
+ int rv = normalize_path_copy(buf, argv[2]);
+ if (rv)
+ buf = "++failed++";
+ puts(buf);
+ return 0;
+ }
+
+ if (argc >= 2 && !strcmp(argv[1], "real_path")) {
+ while (argc > 2) {
+ puts(real_path(argv[2]));
+ argc--;
+ argv++;
+ }
+ return 0;
+ }
+
+ if (argc >= 2 && !strcmp(argv[1], "absolute_path")) {
+ while (argc > 2) {
+ puts(absolute_path(argv[2]));
+ argc--;
+ argv++;
+ }
+ return 0;
+ }
+
+ if (argc == 4 && !strcmp(argv[1], "longest_ancestor_length")) {
+ int len;
+ struct string_list ceiling_dirs = STRING_LIST_INIT_DUP;
+ char *path = xstrdup(argv[2]);
+
+ /*
+ * We have to normalize the arguments because under
+ * Windows, bash mangles arguments that look like
+ * absolute POSIX paths or colon-separate lists of
+ * absolute POSIX paths into DOS paths (e.g.,
+ * "/foo:/foo/bar" might be converted to
+ * "D:\Src\msysgit\foo;D:\Src\msysgit\foo\bar"),
+ * whereas longest_ancestor_length() requires paths
+ * that use forward slashes.
+ */
+ if (normalize_path_copy(path, path))
+ die("Path \"%s\" could not be normalized", argv[2]);
+ string_list_split(&ceiling_dirs, argv[3], PATH_SEP, -1);
+ filter_string_list(&ceiling_dirs, 0,
+ normalize_ceiling_entry, NULL);
+ len = longest_ancestor_length(path, &ceiling_dirs);
+ string_list_clear(&ceiling_dirs, 0);
+ free(path);
+ printf("%d\n", len);
+ return 0;
+ }
+
+ if (argc >= 4 && !strcmp(argv[1], "prefix_path")) {
+ const char *prefix = argv[2];
+ int prefix_len = strlen(prefix);
+ int nongit_ok;
+ setup_git_directory_gently(&nongit_ok);
+ while (argc > 3) {
+ puts(prefix_path(prefix, prefix_len, argv[3]));
+ argc--;
+ argv++;
+ }
+ return 0;
+ }
+
+ if (argc == 4 && !strcmp(argv[1], "strip_path_suffix")) {
+ char *prefix = strip_path_suffix(argv[2], argv[3]);
+ printf("%s\n", prefix ? prefix : "(null)");
+ return 0;
+ }
+
+ if (argc == 3 && !strcmp(argv[1], "print_path")) {
+ puts(argv[2]);
+ return 0;
+ }
+
+ if (argc == 4 && !strcmp(argv[1], "relative_path")) {
+ struct strbuf sb = STRBUF_INIT;
+ const char *in, *prefix, *rel;
+ normalize_argv_string(&in, argv[2]);
+ normalize_argv_string(&prefix, argv[3]);
+ rel = relative_path(in, prefix, &sb);
+ if (!rel)
+ puts("(null)");
+ else
+ puts(strlen(rel) > 0 ? rel : "(empty)");
+ strbuf_release(&sb);
+ return 0;
+ }
+
+ if (argc == 2 && !strcmp(argv[1], "basename"))
+ return test_function(basename_data, posix_basename, argv[1]);
+
+ if (argc == 2 && !strcmp(argv[1], "dirname"))
+ return test_function(dirname_data, posix_dirname, argv[1]);
+
+ fprintf(stderr, "%s: unknown function name: %s\n", argv[0],
+ argv[1] ? argv[1] : "(there was none)");
+ return 1;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-04 03:11:14 +0000