1 files changed, 115 insertions, 0 deletions
diff --git a/tests/object/tag/list.c b/tests/object/tag/list.c
new file mode 100644
index 000000000..6d5a24347
--- /dev/null
+++ b/tests/object/tag/list.c
@@ -0,0 +1,115 @@
+#include "clar_libgit2.h"
+
+#include "tag.h"
+
+static git_repository *g_repo;
+
+#define MAX_USED_TAGS 6
+
+struct pattern_match_t
+{
+	const char* pattern;
+	const size_t expected_matches;
+	const char* expected_results[MAX_USED_TAGS];
+};
+
+// Helpers
+static void ensure_tag_pattern_match(git_repository *repo,
+									 const struct pattern_match_t* data)
+{
+	int already_found[MAX_USED_TAGS] = { 0 };
+	git_strarray tag_list;
+	int error = 0;
+	size_t sucessfully_found = 0;
+	size_t i, j;
+
+	cl_assert(data->expected_matches <= MAX_USED_TAGS);
+
+	if ((error = git_tag_list_match(&tag_list, data->pattern, repo)) < 0)
+		goto exit;
+
+	if (tag_list.count != data->expected_matches)
+	{
+		error = GIT_ERROR;
+		goto exit;
+	}
+
+	// we have to be prepared that tags come in any order.
+	for (i = 0; i < tag_list.count; i++)
+	{
+		for (j = 0; j < data->expected_matches; j++)
+		{
+			if (!already_found[j] && !strcmp(data->expected_results[j], tag_list.strings[i]))
+			{
+				already_found[j] = 1;
+				sucessfully_found++;
+				break;
+			}
+		}
+	}
+	cl_assert_equal_i((int)sucessfully_found, (int)data->expected_matches);
+
+exit:
+	git_strarray_free(&tag_list);
+	cl_git_pass(error);
+}
+
+// Fixture setup and teardown
+void test_object_tag_list__initialize(void)
+{
+	g_repo = cl_git_sandbox_init("testrepo");
+}
+
+void test_object_tag_list__cleanup(void)
+{
+	cl_git_sandbox_cleanup();
+}
+
+void test_object_tag_list__list_all(void)
+{
+	// list all tag names from the repository
+	git_strarray tag_list;
+
+	cl_git_pass(git_tag_list(&tag_list, g_repo));
+
+	cl_assert_equal_i((int)tag_list.count, 6);
+
+	git_strarray_free(&tag_list);
+}
+
+static const struct pattern_match_t matches[] = {
+	// All tags, including a packed one and two namespaced ones.
+	{ "", 6, { "e90810b", "point_to_blob", "test", "packed-tag", "foo/bar", "foo/foo/bar" } },
+
+	// beginning with
+	{ "t*", 1, { "test" } },
+
+	// ending with
+	{ "*b", 2, { "e90810b", "point_to_blob" } },
+
+	// exact match
+	{ "e", 0 },
+	{ "e90810b", 1, { "e90810b" } },
+
+	// either or
+	{ "e90810[ab]", 1, { "e90810b" } },
+
+	// glob in the middle
+	{ "foo/*/bar", 1, { "foo/foo/bar" } },
+
+	// The matching of '*' is based on plain string matching analog to the regular expression ".*"
+	// => a '/' in the tag name has no special meaning.
+	// Compare to `git tag -l "*bar"`
+	{ "*bar", 2, { "foo/bar", "foo/foo/bar" } },
+
+	// End of list
+	{ NULL }
+};
+
+void test_object_tag_list__list_by_pattern(void)
+{
+	// list all tag names from the repository matching a specified pattern
+	size_t i = 0;
+	while (matches[i].pattern)
+		ensure_tag_pattern_match(g_repo, &matches[i++]);
+}