Add umockdev_testbed_load_evemu_events_from_string()

This makes it more comfortable to deal with lots of small
hand-crafted evemu events.

src/umockdev.vala

@@ -1174,8 +1174,21 @@ public class Testbed: GLib.Object {
     public bool load_evemu_events (string? dev, string eventsfile)
         throws GLib.Error, FileError, IOError, RegexError
     {
-        File f_ev = File.new_for_path(eventsfile);
-        var s_ev = new DataInputStream(f_ev.read());
+        return this.load_evemu_events_from_stream(dev,
+                                                  new DataInputStream(File.new_for_path(eventsfile).read()),
+                                                  eventsfile);
+    }
+
+    public bool load_evemu_events_from_string (string? dev, string events)
+        throws GLib.Error, FileError, IOError, RegexError
+    {
+        return this.load_evemu_events_from_stream(dev,
+                                                  new DataInputStream(new MemoryInputStream.from_data(events.data, null)),
+                                                  "<string>");
+    }
+
+    private bool load_evemu_events_from_stream (string? dev, DataInputStream events, string eventsname)
+    {
         string line;
         string? recorded_dev = null;
         size_t len;
@@ -1188,15 +1201,15 @@ public class Testbed: GLib.Object {
         int delay = 0;
         bool first = true;
 
-        while ((line = s_ev.read_line(out len)) != null) {
+        while ((line = events.read_line(out len)) != null) {
             if (default_dev_re.match(line, 0, out match)) {
                 recorded_dev = match.fetch(1);
                 continue;
             }
 
             if (!event_re.match(line, 0, out match)) {
                 if (!line.has_prefix("#"))
-                    warning("Ignoring invalid line in %s: %s", eventsfile, line);
+                    warning("Ignoring invalid line in %s: %s", eventsname, line);
                 continue;
             }
             time_t ev_sec = (time_t) uint64.parse(match.fetch(1));
@@ -1223,7 +1236,7 @@ public class Testbed: GLib.Object {
         string? owned_dev = dev;
         if (owned_dev == null) {
             if (recorded_dev == null)
-                error("null passed for device node, but recording %s has no '# device' header", eventsfile);
+                error("null passed for device node, but recording %s has no '# device' header", eventsname);
             owned_dev = recorded_dev;
         }
 

tests/test-umockdev.c

@@ -2008,8 +2008,6 @@ t_testbed_replay_evemu_events(UMockdevTestbedFixture * fixture, UNUSED_DATA)
 {
   gboolean success;
   GError *error = NULL;
-  int fd;
-  g_autofree char *tmppath = NULL;
   struct timeval tv_begin, tv_end;
   struct input_event ev;
   static const char* test_data = "E: 1234.500000 0000 0000 0\n"   /* SYN */
@@ -2024,20 +2022,13 @@ t_testbed_replay_evemu_events(UMockdevTestbedFixture * fixture, UNUSED_DATA)
           "E: DEVNAME=/dev/input/event1\nE: SUBSYSTEM=input\n", &error);
   g_assert_no_error(error);
 
-  /* write evemu events file */
-  fd = g_file_open_tmp("test_evemu.XXXXXX", &tmppath, &error);
-  g_assert_no_error(error);
-  g_assert_cmpint(write(fd, test_data, strlen(test_data)), ==, strlen(test_data));
-  close(fd);
-
   /* load it */
-  success = umockdev_testbed_load_evemu_events(fixture->testbed, "/dev/input/event1", tmppath, &error);
+  success = umockdev_testbed_load_evemu_events_from_string(fixture->testbed, "/dev/input/event1", test_data, &error);
   g_assert_no_error(error);
   g_assert(success);
-  g_unlink (tmppath);
 
   /* start communication */
-  fd = g_open("/dev/input/event1", O_RDONLY, 0);
+  int fd = g_open("/dev/input/event1", O_RDONLY, 0);
   g_assert_cmpint(fd, >=, 0);
 
   g_assert_cmpint(gettimeofday(&tv_begin, NULL), ==, 0);