From aeb8ffce466fd7925328707b7a1e662433769e3d Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sun, 22 Mar 2026 10:24:05 +0000
Subject: Serialize to and from bytes

---
 .../compiler/sources/SourceSerializationTests.java   | 14 +++++++-------
 .../sources/protobuf/SourceToProtobufTests.java      | 20 +++++++++++++++-----
 2 files changed, 22 insertions(+), 12 deletions(-)

(limited to 'src/test/java/org')

diff --git a/src/test/java/org/shedlang/compiler/sources/SourceSerializationTests.java b/src/test/java/org/shedlang/compiler/sources/SourceSerializationTests.java
index 7e417d2d..cf54479a 100644
--- a/src/test/java/org/shedlang/compiler/sources/SourceSerializationTests.java
+++ b/src/test/java/org/shedlang/compiler/sources/SourceSerializationTests.java
@@ -11,19 +11,19 @@ import java.util.function.BiFunction;
 import static org.zwobble.precisely.AssertThat.assertThat;
 import static org.zwobble.precisely.Matchers.equalTo;
 
-public abstract class SourceSerializationTests<TSerializedSource> {
-    private final BiFunction<Source, Optional<Source>, TSerializedSource> serialize;
-    private final BiFunction<TSerializedSource, Optional<Source>, Source> deserialize;
+public abstract class SourceSerializationTests {
+    private final BiFunction<Source, Optional<Source>, byte[]> serialize;
+    private final BiFunction<byte[], Optional<Source>, Source> deserialize;
 
     public SourceSerializationTests(
-        BiFunction<Source, Optional<Source>, TSerializedSource> serialize,
-        BiFunction<TSerializedSource, Optional<Source>, Source> deserialize
+        BiFunction<Source, Optional<Source>, byte[]> serialize,
+        BiFunction<byte[], Optional<Source>, Source> deserialize
     ) {
         this.serialize = serialize;
         this.deserialize = deserialize;
     }
 
-    private TSerializedSource serializeSource(
+    private byte[] serializeSource(
         Source source,
         Optional<Source> parentSource
     ) {
@@ -31,7 +31,7 @@ public abstract class SourceSerializationTests<TSerializedSource> {
     }
 
     private Source deserializeSource(
-        TSerializedSource serializedSource,
+        byte[] serializedSource,
         Optional<Source> parentSource
     ) {
         return this.deserialize.apply(serializedSource, parentSource);
diff --git a/src/test/java/org/shedlang/compiler/sources/protobuf/SourceToProtobufTests.java b/src/test/java/org/shedlang/compiler/sources/protobuf/SourceToProtobufTests.java
index 9aba0b99..373dcc9a 100644
--- a/src/test/java/org/shedlang/compiler/sources/protobuf/SourceToProtobufTests.java
+++ b/src/test/java/org/shedlang/compiler/sources/protobuf/SourceToProtobufTests.java
@@ -1,14 +1,24 @@
 package org.shedlang.compiler.sources.protobuf;
 
+import com.google.protobuf.InvalidProtocolBufferException;
 import org.shedlang.compiler.sources.SourceSerializationTests;
 
-public class SourceToProtobufTests extends SourceSerializationTests<SourcesProtobuf.Source> {
+public class SourceToProtobufTests extends SourceSerializationTests {
     public SourceToProtobufTests() {
         super(
-            (source, parentSource) ->
-                SourceToProtobuf.serializeSource(source, parentSource),
-            (serializedSource, parentSource) ->
-                SourceToProtobuf.deserializeSource(serializedSource, parentSource)
+            (source, parentSource) -> {
+                var sourceProtobuf = SourceToProtobuf.serializeSource(source, parentSource);
+                return sourceProtobuf.toByteArray();
+            },
+
+            (serializedSource, parentSource) -> {
+                try {
+                    var sourceProtobuf = SourcesProtobuf.Source.parseFrom(serializedSource);
+                    return SourceToProtobuf.deserializeSource(sourceProtobuf, parentSource);
+                } catch (InvalidProtocolBufferException exception) {
+                    throw new RuntimeException(exception);
+                }
+            }
         );
     }
 }
-- 
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