add missing test code

test-engine.c

@@ -0,0 +1,46 @@
+/*-*- Mode: C; c-basic-offset: 8 -*-*/
+
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "manager.h"
+
+int main(int argc, char *argv[]) {
+        Manager *m = NULL;
+        Name *a = NULL, *b = NULL, *c = NULL, *d = NULL, *e;
+        Job *j;
+
+        assert_se(chdir("test2") == 0);
+
+        assert_se(m = manager_new());
+
+        printf("Loaded1:\n");
+        assert_se(manager_load_name(m, "a.service", &a) == 0);
+        assert_se(manager_load_name(m, "b.service", &b) == 0);
+        assert_se(manager_load_name(m, "c.service", &c) == 0);
+        manager_dump_names(m, stdout, "\t");
+
+        printf("Test1: (Trivial)\n");
+        assert_se(manager_add_job(m, JOB_START, c, JOB_REPLACE, false, &j) == 0);
+        manager_dump_jobs(m, stdout, "\t");
+
+        printf("Loaded2:\n");
+        manager_clear_jobs(m);
+        assert_se(manager_load_name(m, "d.service", &d) == 0);
+        assert_se(manager_load_name(m, "e.service", &e) == 0);
+        manager_dump_names(m, stdout, "\t");
+
+        printf("Test2: (Cyclic Order, Unfixable)\n");
+        assert_se(manager_add_job(m, JOB_START, d, JOB_REPLACE, false, &j) == -ELOOP);
+        manager_dump_jobs(m, stdout, "\t");
+
+        printf("Test2: (Cyclic Order, Fixable)\n");
+        assert_se(manager_add_job(m, JOB_START, e, JOB_REPLACE, false, &j) == 0);
+        manager_dump_jobs(m, stdout, "\t");
+
+        manager_free(m);
+
+        return 0;
+}

test2/Makefile

@@ -0,0 +1,7 @@
+# Just a little hook script to easy building when in this directory
+
+all:
+	$(MAKE) -C ..
+
+clean:
+	$(MAKE) -C .. clean

test2/a.service

@@ -0,0 +1,4 @@
+[Meta]
+Description=A
+Requires=b.service
+Before=b.service

test2/b.service

@@ -0,0 +1,2 @@
+[Meta]
+Description=B

test2/c.service

@@ -0,0 +1,3 @@
+[Meta]
+Description=C
+Requires=a.service

test2/d.service

@@ -0,0 +1,5 @@
+[Meta]
+Description=D:Cyclic
+After=b.service
+Before=a.service
+Requires=a.service

test2/e.service

@@ -0,0 +1,5 @@
+[Meta]
+Description=E:Cyclic
+After=b.service
+Before=a.service
+Wants=a.service