[Patch v4 3/9] test: add error reporting tests for lib/database.cc

[David Bremner]

Unfortunately quite a few of the error handling paths here require
more sophisticated tests using e.g. gdb.
---
 test/T560-lib-error.sh | 91 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100755 test/T560-lib-error.sh

diff --git a/test/T560-lib-error.sh b/test/T560-lib-error.sh
new file mode 100755
index 0000000..dc2022f
--- /dev/null
+++ b/test/T560-lib-error.sh
@@ -0,0 +1,91 @@
+#!/usr/bin/env bash
+test_description="error reporting for library"
+
+. ./test-lib.sh
+
+add_email_corpus
+
+test_expect_success "building database" "NOTMUCH_NEW"
+
+test_begin_subtest "Open null pointer"
+test_C <<EOF
+#include <stdio.h>
+#include <notmuch.h>
+int main (int argc, char** argv)
+{
+    notmuch_database_t *db;
+    notmuch_status_t stat;
+    stat = notmuch_database_open (NULL, 0, 0);
+}
+EOF
+cat <<EOF >EXPECTED
+== stdout ==
+== stderr ==
+Error: Cannot open a database for a NULL path.
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "Open nonexistent database"
+test_C <<EOF
+#include <stdio.h>
+#include <notmuch.h>
+int main (int argc, char** argv)
+{
+    notmuch_database_t *db;
+    notmuch_status_t stat;
+    stat = notmuch_database_open ("/nonexistent/foo", 0, 0);
+}
+EOF
+cat <<EOF >EXPECTED
+== stdout ==
+== stderr ==
+Error opening database at /nonexistent/foo/.notmuch: No such file or directory
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "Write to read-only database"
+test_C ${MAIL_DIR} <<EOF
+#include <stdio.h>
+#include <notmuch.h>
+int main (int argc, char** argv)
+{
+   notmuch_database_t *db;
+   notmuch_status_t stat;
+   stat = notmuch_database_open (argv[1], NOTMUCH_DATABASE_MODE_READ_ONLY, &db);
+   if (stat != NOTMUCH_STATUS_SUCCESS) {
+     fprintf (stderr, "error opening database: %d\n", stat);
+   }
+   stat = notmuch_database_add_message (db, "/dev/null", NULL);
+}
+EOF
+cat <<EOF >EXPECTED
+== stdout ==
+== stderr ==
+Cannot write to a read-only database.
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "compact, overwriting existing backup"
+test_C ${MAIL_DIR} <<EOF
+#include <stdio.h>
+#include <notmuch.h>
+static void
+status_cb (const char *msg, void *closure)
+{
+    printf ("%s\n", msg);
+}
+int main (int argc, char** argv)
+{
+   notmuch_database_t *db;
+   notmuch_status_t stat;
+   stat = notmuch_database_compact (argv[1], argv[1], status_cb, NULL);
+}
+EOF
+cat <<EOF >EXPECTED
+== stdout ==
+== stderr ==
+Path already exists: CWD/mail
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
+test_done
-- 
2.1.4