Add tests for split_features() fn

Author: Turbo87

src/models/feature.rs

@@ -13,3 +13,87 @@ pub fn split_features(features: FeaturesMap) -> (FeaturesMap, FeaturesMap) {
             .any(|v| v.starts_with("dep:") || v.contains("?/"))
     })
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use insta::assert_compact_debug_snapshot;
+
+    #[test]
+    fn test_split_features_no_deps() {
+        let mut features = FeaturesMap::new();
+        features.insert(
+            "feature1".to_string(),
+            vec!["val1".to_string(), "val2".to_string()],
+        );
+        features.insert("feature2".to_string(), vec!["val3".to_string()]);
+
+        let (features, features2) = split_features(features);
+
+        assert_compact_debug_snapshot!(features, @r#"{"feature1": ["val1", "val2"], "feature2": ["val3"]}"#);
+        assert_compact_debug_snapshot!(features2, @"{}");
+    }
+
+    #[test]
+    fn test_split_features_with_deps() {
+        let mut features = FeaturesMap::new();
+        features.insert(
+            "feature1".to_string(),
+            vec!["dep:val1".to_string(), "val2".to_string()],
+        );
+        features.insert(
+            "feature2".to_string(),
+            vec!["val3".to_string(), "val4?/val5".to_string()],
+        );
+
+        let (features, features2) = split_features(features);
+
+        assert_compact_debug_snapshot!(features, @"{}");
+        assert_compact_debug_snapshot!(features2, @r#"{"feature1": ["dep:val1", "val2"], "feature2": ["val3", "val4?/val5"]}"#);
+    }
+
+    #[test]
+    fn test_split_features_mixed() {
+        let mut features = FeaturesMap::new();
+        features.insert(
+            "feature1".to_string(),
+            vec!["val1".to_string(), "val2".to_string()],
+        );
+        features.insert("feature2".to_string(), vec!["dep:val3".to_string()]);
+        features.insert(
+            "feature3".to_string(),
+            vec!["val4".to_string(), "val5?/val6".to_string()],
+        );
+
+        let (features, features2) = split_features(features);
+
+        assert_compact_debug_snapshot!(features, @r#"{"feature1": ["val1", "val2"]}"#);
+        assert_compact_debug_snapshot!(features2, @r#"{"feature2": ["dep:val3"], "feature3": ["val4", "val5?/val6"]}"#);
+    }
+
+    #[test]
+    fn test_split_features_nested() {
+        let mut features = FeaturesMap::new();
+        features.insert("feature1".to_string(), vec!["feature2".to_string()]);
+        features.insert("feature2".to_string(), vec![]);
+        features.insert("feature3".to_string(), vec!["feature1".to_string()]);
+
+        let (features, features2) = split_features(features);
+
+        assert_compact_debug_snapshot!(features, @r#"{"feature1": ["feature2"], "feature2": [], "feature3": ["feature1"]}"#);
+        assert_compact_debug_snapshot!(features2, @"{}");
+    }
+
+    #[test]
+    fn test_split_features_nested_mixed() {
+        let mut features = FeaturesMap::new();
+        features.insert("feature1".to_string(), vec!["feature2".to_string()]);
+        features.insert("feature2".to_string(), vec!["feature3".to_string()]);
+        features.insert("feature3".to_string(), vec!["dep:foo".to_string()]);
+
+        let (features, features2) = split_features(features);
+
+        assert_compact_debug_snapshot!(features, @r#"{"feature1": ["feature2"], "feature2": ["feature3"]}"#);
+        assert_compact_debug_snapshot!(features2, @r#"{"feature3": ["dep:foo"]}"#);
+    }
+}