1 files changed, 64 insertions, 0 deletions

diff --git a/tests/blame/blame_helpers.c b/tests/blame/blame_helpers.c
new file mode 100644
index 000000000..d64bb5c4c
--- /dev/null
+++ b/tests/blame/blame_helpers.c
@@ -0,0 +1,64 @@
+#include "blame_helpers.h"
+
+void hunk_message(size_t idx, const git_blame_hunk *hunk, const char *fmt, ...)
+{
+	va_list arglist;
+
+	printf("Hunk %zd (line %d +%d): ", idx,
+			hunk->final_start_line_number, hunk->lines_in_hunk-1);
+
+	va_start(arglist, fmt);
+	vprintf(fmt, arglist);
+	va_end(arglist);
+
+	printf("\n");
+}
+
+void check_blame_hunk_index(git_repository *repo, git_blame *blame, int idx,
+		int start_line, int len, char boundary, const char *commit_id, const char *orig_path)
+{
+	char expected[41] = {0}, actual[41] = {0};
+	const git_blame_hunk *hunk = git_blame_get_hunk_byindex(blame, idx);
+	cl_assert(hunk);
+
+	if (!strncmp(commit_id, "0000", 4)) {
+		strcpy(expected, "0000000000000000000000000000000000000000");
+	} else {
+		git_object *obj;
+		cl_git_pass(git_revparse_single(&obj, repo, commit_id));
+		git_oid_fmt(expected, git_object_id(obj));
+		git_object_free(obj);
+	}
+
+	if (hunk->final_start_line_number != start_line) {
+		hunk_message(idx, hunk, "mismatched start line number: expected %d, got %d",
+				start_line, hunk->final_start_line_number);
+	}
+	cl_assert_equal_i(hunk->final_start_line_number, start_line);
+
+	if (hunk->lines_in_hunk != len) {
+		hunk_message(idx, hunk, "mismatched line count: expected %d, got %d",
+				len, hunk->lines_in_hunk);
+	}
+	cl_assert_equal_i(hunk->lines_in_hunk, len);
+
+	git_oid_fmt(actual, &hunk->final_commit_id);
+	if (strcmp(expected, actual)) {
+		hunk_message(idx, hunk, "has mismatched original id (got %s, expected %s)\n",
+				actual, expected);
+	}
+	cl_assert_equal_s(actual, expected);
+	if (strcmp(hunk->orig_path, orig_path)) {
+		hunk_message(idx, hunk, "has mismatched original path (got '%s', expected '%s')\n",
+				hunk->orig_path, orig_path);
+	}
+	cl_assert_equal_s(hunk->orig_path, orig_path);
+
+	if (hunk->boundary != boundary) {
+		hunk_message(idx, hunk, "doesn't match boundary flag (got %d, expected %d)\n",
+				hunk->boundary, boundary);
+	}
+	cl_assert_equal_i(boundary, hunk->boundary);
+}
+
+