chore(codecs): replace native encoding fixture patch files with cfg-gated code

Cargo.toml

@@ -217,7 +217,7 @@ vector-common-macros = { path = "lib/vector-common-macros" }
 vector-lib = { path = "lib/vector-lib", default-features = false, features = ["vrl"] }
 vector-vrl-category = { path = "lib/vector-vrl/category" }
 vector-vrl-functions = { path = "lib/vector-vrl/functions", default-features = false }
-vrl = { git = "https://github.com/vectordotdev/vrl.git", branch = "main", default-features = false, features = ["arbitrary", "cli", "test", "test_framework", "stdlib-base"] }
+vrl = { git = "https://github.com/vectordotdev/vrl.git", branch = "generate-fixtures", default-features = false, features = ["arbitrary", "cli", "test", "test_framework", "stdlib-base"] }
 mock_instant = { version = "0.6" }
 serial_test = { version = "3.2" }
 strum = { version = "0.28", features = ["derive"] }

lib/vector-core/Cargo.toml

@@ -65,6 +65,7 @@ vector-config = { path = "../vector-config" }
 vector-config-common = { path = "../vector-config-common" }
 vrl.workspace = true
 cfg-if.workspace = true
+quickcheck = { workspace = true, optional = true }
 
 [target.'cfg(target_os = "macos")'.dependencies]
 security-framework = "3.5.1"
@@ -100,6 +101,12 @@ default = []
 lua = ["dep:mlua", "dep:tokio-stream", "vrl/lua"]
 vrl = []
 test = ["vector-common/test", "proptest"]
+generate-fixtures = ["vrl/generate-fixtures", "dep:quickcheck"]
+
+[[bin]]
+name = "generate-fixtures"
+path = "src/bin/generate_fixtures.rs"
+required-features = ["generate-fixtures"]
 
 [[bench]]
 name = "event"

lib/vector-core/src/bin/generate_fixtures.rs

@@ -0,0 +1,38 @@
+use std::{fs::File, io::Write, path::PathBuf};
+
+use bytes::BytesMut;
+use prost::Message;
+use quickcheck::{Arbitrary as _, Gen};
+use vector_core::event::{Event, EventArray, proto};
+
+const SEED: u64 = 0;
+const GEN_SIZE: usize = 128;
+
+fn main() {
+    let fixture_dir =
+        PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("../codecs/tests/data/native_encoding");
+    let json_dir = fixture_dir.join("json");
+    let proto_dir = fixture_dir.join("proto");
+    std::fs::create_dir_all(&json_dir).unwrap();
+    std::fs::create_dir_all(&proto_dir).unwrap();
+
+    let mut rng = Gen::from_size_and_seed(GEN_SIZE, SEED);
+    for n in 0..1024_usize {
+        let event = Event::arbitrary(&mut rng);
+
+        let mut json_out = File::create(json_dir.join(format!("{n:04}.json"))).unwrap();
+        serde_json::to_writer(&mut json_out, &event).unwrap();
+
+        let mut proto_out = File::create(proto_dir.join(format!("{n:04}.pb"))).unwrap();
+        let mut buf = BytesMut::new();
+        proto::EventArray::from(EventArray::from(event))
+            .encode(&mut buf)
+            .unwrap();
+        proto_out.write_all(&buf).unwrap();
+    }
+
+    #[allow(clippy::print_stdout)]
+    {
+        println!("Written 1024 fixtures to {}", fixture_dir.display());
+    }
+}