ccanlint: add test case for metadata summary line on a single separate line.

diff --git a/tools/ccanlint/tests/info_summary_single_line.c b/tools/ccanlint/tests/info_summary_single_line.c
new file mode 100644 (file)
index 0000000..12f95e6
--- /dev/null
+++ b/tools/ccanlint/tests/info_summary_single_line.c
@@ -0,0 +1,58 @@
+#include <tools/ccanlint/ccanlint.h>
+#include <tools/tools.h>
+#include <stdio.h>
+#include <ccan/talloc/talloc.h>
+#include <ccan/str/str.h>
+
+/* Summary line is form '<identifier> - ' (spaces for 'struct foo -') */
+/* slightly modified from doc_extract-core.c */
+static unsigned int is_summary_line(const char *line)
+{
+       unsigned int id_len;
+
+       id_len = strspn(line, IDENT_CHARS" *");
+       if (id_len == 0)
+               return 0;
+       if (strspn(line, " ") == id_len)
+               return 0;
+       if (!strstarts(line + id_len-1, " - "))
+               return 0;
+       return id_len - 1;
+}
+
+static void check_info_summary_single_line(struct manifest *m,
+                                          bool keep,
+                                          unsigned int *timeleft,
+                                          struct score *score)
+{
+       int i = 0;
+       get_ccan_line_info(m->info_file);
+       score->total = 1;
+       for (i = 0; i < m->info_file->num_lines; ++i) {
+               if (is_summary_line(m->info_file->lines[i])) {
+                       if (strspn(m->info_file->lines[i+1], " *") == strlen(m->info_file->lines[i+1])) {
+                               /* valid summary line */
+                               score->error = NULL;
+                               score->pass = true;
+                               score->score = 1;
+                       } else {
+                               /* invalid summary line - line following summary line should be empty */
+                               score->pass = false;
+                               score->score = 0;
+                               score->error = "invalid summary line - not on a single line:";
+                               score_file_error(score, m->info_file, i+1, "summary is not on a single line");
+                       }
+                       break;
+               }
+       }
+}
+
+
+struct ccanlint info_summary_single_line = {
+       .key = "info_summary_single_line",
+       .name = "Module has a single line summary in _info",
+       .check = check_info_summary_single_line,
+       .needs = "info_exists"
+};
+
+REGISTER_TEST(info_summary_single_line);