add more test for playlist generation

tests/src/engine_generator.rs

@@ -1,4 +1,32 @@
-use ffplayout_lib::utils::{generator::ordered_list, sum_durations, Media};
+use std::{
+    fs,
+    path::{Path, PathBuf},
+};
+
+use chrono::NaiveTime;
+use simplelog::*;
+
+use ffplayout_lib::utils::{
+    config::{Source, Template},
+    generator::*,
+    *,
+};
+
+#[test]
+fn test_random_list() {
+    let clip_list = vec![
+        Media::new(0, "./assets/with_audio.mp4", true), // 30 seconds
+        Media::new(0, "./assets/dual_audio.mp4", true), // 30 seconds
+        Media::new(0, "./assets/av_sync.mp4", true),    // 30 seconds
+        Media::new(0, "./assets/ad.mp4", true),         // 25 seconds
+    ];
+
+    let r_list = random_list(clip_list.clone(), 200.0);
+    let r_duration = sum_durations(&r_list);
+
+    assert!(200.0 >= r_duration, "duration is {r_duration}");
+    assert!(r_duration >= 170.0);
+}
 
 #[test]
 fn test_ordered_list() {
@@ -9,15 +37,107 @@ fn test_ordered_list() {
         Media::new(0, "./assets/ad.mp4", true),         // 25 seconds
     ];
 
-    let result = ordered_list(clip_list.clone(), 85.0);
+    let o_list = ordered_list(clip_list.clone(), 85.0);
 
-    assert_eq!(result.len(), 3);
-    assert_eq!(result[2].duration, 25.0);
-    assert_eq!(sum_durations(&result), 85.0);
+    assert_eq!(o_list.len(), 3);
+    assert_eq!(o_list[2].duration, 25.0);
+    assert_eq!(sum_durations(&o_list), 85.0);
 
-    let result = ordered_list(clip_list, 120.0);
+    let o_list = ordered_list(clip_list, 120.0);
 
-    assert_eq!(result.len(), 4);
-    assert_eq!(result[2].duration, 30.0);
-    assert_eq!(sum_durations(&result), 115.0);
+    assert_eq!(o_list.len(), 4);
+    assert_eq!(o_list[2].duration, 30.0);
+    assert_eq!(sum_durations(&o_list), 115.0);
+}
+
+#[test]
+fn test_filler_list() {
+    let mut config = PlayoutConfig::new(None);
+    config.storage.filler = "assets/".into();
+
+    let f_list = filler_list(&config, 2440.0);
+
+    assert_eq!(sum_durations(&f_list), 2440.0);
+}
+
+#[test]
+fn test_generate_playlist_from_folder() {
+    let mut config = PlayoutConfig::new(None);
+    config.general.generate = Some(vec!["2023-09-11".to_string()]);
+    config.processing.mode = Playlist;
+    config.logging.log_to_file = false;
+    config.logging.timestamp = false;
+    config.logging.level = LevelFilter::Error;
+    config.storage.filler = "assets/".into();
+    config.playlist.length_sec = Some(86400.0);
+    config.playlist.path = "assets/playlists".into();
+
+    let logging = init_logging(&config, None, None);
+    CombinedLogger::init(logging).unwrap_or_default();
+
+    let playlist = generate_playlist(&config, Some("Channel 1".to_string()));
+
+    assert!(playlist.is_ok());
+
+    let playlist_file = Path::new("assets/playlists/2023/09/2023-09-11.json");
+
+    assert!(playlist_file.is_file());
+
+    fs::remove_file(playlist_file).unwrap();
+
+    let total_duration = sum_durations(&playlist.unwrap()[0].program);
+
+    assert!(
+        total_duration > 86399.0 && total_duration < 86401.0,
+        "total_duration is {total_duration}"
+    );
+}
+
+#[test]
+fn test_generate_playlist_from_template() {
+    let mut config = PlayoutConfig::new(None);
+    config.general.generate = Some(vec!["2023-09-12".to_string()]);
+    config.general.template = Some(Template {
+        sources: vec![
+            Source {
+                start: NaiveTime::from_hms_opt(0, 0, 0).unwrap(),
+                duration: NaiveTime::from_hms_opt(12, 0, 0).unwrap(),
+                shuffle: false,
+                paths: vec![PathBuf::from("assets/")],
+            },
+            Source {
+                start: NaiveTime::from_hms_opt(12, 0, 0).unwrap(),
+                duration: NaiveTime::from_hms_opt(12, 0, 0).unwrap(),
+                shuffle: true,
+                paths: vec![PathBuf::from("assets/")],
+            },
+        ],
+    });
+    config.processing.mode = Playlist;
+    config.logging.log_to_file = false;
+    config.logging.timestamp = false;
+    config.logging.level = LevelFilter::Error;
+    config.storage.filler = "assets/".into();
+    config.playlist.length_sec = Some(86400.0);
+    config.playlist.path = "assets/playlists".into();
+
+    let logging = init_logging(&config, None, None);
+    CombinedLogger::init(logging).unwrap_or_default();
+
+    let playlist = generate_playlist(&config, Some("Channel 1".to_string()));
+
+    assert!(playlist.is_ok());
+
+    let playlist_file = Path::new("assets/playlists/2023/09/2023-09-12.json");
+
+    assert!(playlist_file.is_file());
+
+    fs::remove_file(playlist_file).unwrap();
+
+    let total_duration = sum_durations(&playlist.unwrap()[0].program);
+
+    assert!(
+        total_duration > 86399.0 && total_duration < 86401.0,
+        "total_duration is {total_duration}"
+    );
 }