Full export test for midi region

Test cases for audio/midi_region full region export test

Signed-off-by: Robert Panovics <robert.panovics@gmail.com>

tests/audio/midi_region.c

@@ -1,21 +1,6 @@
-/*
- * Copyright (C) 2020-2022 Alexandros Theodotou <alex at zrythm dot org>
- *
- * This file is part of Zrythm
- *
- * Zrythm is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Zrythm is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with Zrythm.  If not, see <https://www.gnu.org/licenses/>.
- */
+// SPDX-FileCopyrightText: © 2020-2022 Alexandros Theodotou <alex@zrythm.org>
+// SPDX-FileCopyrightText: © 2022 Robert Panovics <robert.panovics@gmail.com>
+// SPDX-License-Identifier: LicenseRef-ZrythmLicense
 
 #include "zrythm-test-config.h"
 
@@ -25,6 +10,7 @@
 #include "audio/transport.h"
 #include "project.h"
 #include "utils/flags.h"
+#include "utils/hash.h"
 #include "utils/io.h"
 #include "zrythm.h"
 
@@ -95,6 +81,155 @@ test_export (void)
   io_rmdir (export_dir, true);
 }
 
+static const double full_export_test_loop_positions[] = {
+  /* loop before clip start pos */
+  0.0, 1920.0,
+  /* clip start pos inside loop */
+  0.0, 8640.0,
+  /* clip start pos inside loop with cuting end of note */
+  0.0, 5760.0,
+  /* loop after clip start pos with note start before loop start */
+  3840.0, 5760.0,
+  /* loop after clip start pos with cuting end of note */
+  3840.0, 7680.0
+};
+
+static void
+compare_files_hash (
+  const char * filepath1,
+  const char * filepath2)
+{
+  g_message (
+    "Comparing: %s - %s", filepath1, filepath2);
+
+  g_assert_true (g_file_test (
+    filepath1,
+    G_FILE_TEST_EXISTS | G_FILE_TEST_IS_REGULAR));
+  g_assert_true (g_file_test (
+    filepath2,
+    G_FILE_TEST_EXISTS | G_FILE_TEST_IS_REGULAR));
+  uint32_t file1_hash =
+    hash_get_from_file_simple (filepath1);
+  uint32_t file2_hash =
+    hash_get_from_file_simple (filepath2);
+
+  g_assert_true (file1_hash == file2_hash);
+}
+
+static void
+setup_region_for_full_export (ZRegion * region)
+{
+  Position clip_start_pos;
+  position_init (&clip_start_pos);
+  position_from_ticks (&clip_start_pos, 1920.0);
+
+  position_add_ticks (
+    &((ArrangerObject *) region)->pos, 1920.0);
+  position_add_ticks (
+    &((ArrangerObject *) region)->end_pos, 960.0);
+  arranger_object_clip_start_pos_setter (
+    (ArrangerObject *) region, &clip_start_pos);
+}
+
+static void
+test_full_export (void)
+{
+  const int number_of_loop_tests =
+    sizeof (full_export_test_loop_positions)
+    / sizeof (double) / 2;
+
+  char * base_midi_file = g_build_filename (
+    TESTS_SRCDIR, "loopbase.mid", NULL);
+
+  g_assert_true (g_file_test (
+    base_midi_file,
+    G_FILE_TEST_EXISTS | G_FILE_TEST_IS_REGULAR));
+
+  char * export_dir = g_dir_make_tmp (
+    "test_midi_full_export_XXXXXX", NULL);
+
+  test_helper_zrythm_init ();
+
+  SupportedFile * file =
+    supported_file_new_from_path (base_midi_file);
+  track_create_with_action (
+    TRACK_TYPE_MIDI, NULL, file, PLAYHEAD,
+    TRACKLIST->num_tracks, 1, NULL);
+  supported_file_free (file);
+
+  Track * track = tracklist_get_last_track (
+    TRACKLIST, TRACKLIST_PIN_OPTION_BOTH, true);
+
+  g_assert_cmpint (track->num_lanes, >, 0);
+  g_assert_cmpint (
+    track->lanes[0]->num_regions, >, 0);
+  ZRegion * region = track->lanes[0]->regions[0];
+  g_assert_true (IS_REGION (region));
+
+  setup_region_for_full_export (region);
+
+  for (int iter = 0; iter < number_of_loop_tests;
+       ++iter)
+    {
+      POSITION_INIT_ON_STACK (loop_start_pos);
+      POSITION_INIT_ON_STACK (loop_end_pos);
+      position_from_ticks (
+        &loop_start_pos,
+        full_export_test_loop_positions[iter * 2]);
+      position_from_ticks (
+        &loop_end_pos,
+        full_export_test_loop_positions[iter * 2 + 1]);
+
+      g_message (
+        "testing loop %lf, %lf",
+        loop_start_pos.ticks, loop_end_pos.ticks);
+
+      arranger_object_loop_start_pos_setter (
+        (ArrangerObject *) region, &loop_start_pos);
+      arranger_object_loop_end_pos_setter (
+        (ArrangerObject *) region, &loop_end_pos);
+
+      char export_file_name[20];
+      sprintf (
+        export_file_name, "loopbase%d.mid", iter);
+      char * export_filepath = g_build_filename (
+        export_dir, export_file_name, NULL);
+
+      midi_region_export_to_midi_file (
+        region, export_filepath, 0, false);
+
+      compare_files_hash (
+        base_midi_file, export_filepath);
+
+      io_remove (export_filepath);
+      g_free (export_filepath);
+
+      sprintf (export_file_name, "loop%d.mid", iter);
+      export_filepath = g_build_filename (
+        export_dir, export_file_name, NULL);
+
+      char reference_file_name[20];
+      sprintf (
+        reference_file_name, "loop%d_ref.mid", iter);
+      char * reference_filepath = g_build_filename (
+        TESTS_SRCDIR, reference_file_name, NULL);
+
+      midi_region_export_to_midi_file (
+        region, export_filepath, 0, true);
+
+      compare_files_hash (
+        reference_filepath, export_filepath);
+      io_remove (export_filepath);
+
+      g_free (reference_filepath);
+      g_free (export_filepath);
+    }
+
+  test_helper_zrythm_cleanup ();
+  io_rmdir (export_dir, true);
+  g_free (base_midi_file);
+}
+
 int
 main (int argc, char * argv[])
 {
@@ -102,6 +237,9 @@ main (int argc, char * argv[])
 
 #define TEST_PREFIX "/audio/midi_region/"
 
+  g_test_add_func (
+    TEST_PREFIX "test full export",
+    (GTestFunc) test_full_export);
   g_test_add_func (
     TEST_PREFIX "test export",
     (GTestFunc) test_export);