Extract SourceSerializationTests

2 files changed, 81 insertions, 75 deletions

diff --git a/src/test/java/org/shedlang/compiler/sources/SourceSerializationTests.java b/src/test/java/org/shedlang/compiler/sources/SourceSerializationTests.java
new file mode 100644
index 00000000..0e23201f
--- /dev/null
+++ b/src/test/java/org/shedlang/compiler/sources/SourceSerializationTests.java
@@ -0,0 +1,79 @@
+package org.shedlang.compiler.sources;
+
+import org.junit.jupiter.api.Test;
+import org.shedlang.compiler.sources.protobuf.SourceToProtobuf;
+import org.zwobble.sourcetext.SourcePosition;
+import org.zwobble.sourcetext.SourceRange;
+import org.zwobble.sourcetext.SourceText;
+
+import java.util.Optional;
+
+import static org.zwobble.precisely.AssertThat.assertThat;
+import static org.zwobble.precisely.Matchers.equalTo;
+
+public abstract class SourceSerializationTests {
+    @Test
+    public void canSerializeNullSource() {
+        var source = Sources.NULL;
+
+        var deserializedSource = SourceToProtobuf.deserializeSource(
+            SourceToProtobuf.serializeSource(source, Optional.empty()),
+            Optional.empty()
+        );
+
+        assertThat(deserializedSource, equalTo(source));
+    }
+
+    @Test
+    public void canSerializeRuntimeSource() {
+        var source = Sources.RUNTIME;
+
+        var deserializedSource = SourceToProtobuf.deserializeSource(
+            SourceToProtobuf.serializeSource(source, Optional.empty()),
+            Optional.empty()
+        );
+
+        assertThat(deserializedSource, equalTo(source));
+    }
+
+    @Test
+    public void whenFileFragmentSourceHasNoParentThenSourceTextIsPreserved() {
+        var sourceText = SourceText.fromString("a/b", "<contents>");
+        var source = new FileFragmentSource(new SourceRange(
+            sourceText,
+            new SourcePosition(sourceText, 2),
+            new SourcePosition(sourceText, 5)
+        ));
+
+        var deserializedSource = SourceToProtobuf.deserializeSource(
+            SourceToProtobuf.serializeSource(source, Optional.empty()),
+            Optional.empty()
+        );
+
+        assertThat(deserializedSource.describe(), equalTo(source.describe()));
+    }
+
+    @Test
+    public void whenFileFragmentSourceNoExplicitSourceTextThenSourceTextFromParentIsReused() {
+        var sourceText = SourceText.fromString("a/b", "<contents>");
+        var sourceRange = new SourceRange(
+            sourceText,
+            new SourcePosition(sourceText, 2),
+            new SourcePosition(sourceText, 5)
+        );
+        var source = new FileFragmentSource(sourceRange);
+        var parentSource = new FileFragmentSource(new SourceRange(
+            sourceText,
+            new SourcePosition(sourceText, 0),
+            new SourcePosition(sourceText, 10)
+        ));
+
+        var deserializedSource = (FileFragmentSource) SourceToProtobuf.deserializeSource(
+            SourceToProtobuf.serializeSource(source, parentSource),
+            parentSource
+        );
+
+        assertThat(deserializedSource.describe(), equalTo(source.describe()));
+        assertThat(deserializedSource.sourceRange().sourceText() == sourceText, equalTo(true));
+    }
+}
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 e8f68e46..9e272436 100644
--- a/src/test/java/org/shedlang/compiler/sources/protobuf/SourceToProtobufTests.java
+++ b/src/test/java/org/shedlang/compiler/sources/protobuf/SourceToProtobufTests.java
@@ -1,80 +1,7 @@
 package org.shedlang.compiler.sources.protobuf;
 
-import org.junit.jupiter.api.Test;
-import org.shedlang.compiler.sources.FileFragmentSource;
-import org.shedlang.compiler.sources.Sources;
-import org.zwobble.sourcetext.SourcePosition;
-import org.zwobble.sourcetext.SourceRange;
-import org.zwobble.sourcetext.SourceText;
+import org.shedlang.compiler.sources.SourceSerializationTests;
 
-import java.util.Optional;
+public class SourceToProtobufTests extends SourceSerializationTests {
 
-import static org.zwobble.precisely.AssertThat.assertThat;
-import static org.zwobble.precisely.Matchers.equalTo;
-
-public class SourceToProtobufTests {
-    @Test
-    public void canSerializeNullSource() {
-        var source = Sources.NULL;
-
-        var deserializedSource = SourceToProtobuf.deserializeSource(
-            SourceToProtobuf.serializeSource(source, Optional.empty()),
-            Optional.empty()
-        );
-
-        assertThat(deserializedSource, equalTo(source));
-    }
-
-    @Test
-    public void canSerializeRuntimeSource() {
-        var source = Sources.RUNTIME;
-
-        var deserializedSource = SourceToProtobuf.deserializeSource(
-            SourceToProtobuf.serializeSource(source, Optional.empty()),
-            Optional.empty()
-        );
-
-        assertThat(deserializedSource, equalTo(source));
-    }
-
-    @Test
-    public void whenFileFragmentSourceHasNoParentThenSourceTextIsPreserved() {
-        var sourceText = SourceText.fromString("a/b", "<contents>");
-        var source = new FileFragmentSource(new SourceRange(
-            sourceText,
-            new SourcePosition(sourceText, 2),
-            new SourcePosition(sourceText, 5)
-        ));
-
-        var deserializedSource = SourceToProtobuf.deserializeSource(
-            SourceToProtobuf.serializeSource(source, Optional.empty()),
-            Optional.empty()
-        );
-
-        assertThat(deserializedSource.describe(), equalTo(source.describe()));
-    }
-
-    @Test
-    public void whenFileFragmentSourceNoExplicitSourceTextThenSourceTextFromParentIsReused() {
-        var sourceText = SourceText.fromString("a/b", "<contents>");
-        var sourceRange = new SourceRange(
-            sourceText,
-            new SourcePosition(sourceText, 2),
-            new SourcePosition(sourceText, 5)
-        );
-        var source = new FileFragmentSource(sourceRange);
-        var parentSource = new FileFragmentSource(new SourceRange(
-            sourceText,
-            new SourcePosition(sourceText, 0),
-            new SourcePosition(sourceText, 10)
-        ));
-
-        var deserializedSource = (FileFragmentSource) SourceToProtobuf.deserializeSource(
-            SourceToProtobuf.serializeSource(source, parentSource),
-            parentSource
-        );
-
-        assertThat(deserializedSource.describe(), equalTo(source.describe()));
-        assertThat(deserializedSource.sourceRange().sourceText() == sourceText, equalTo(true));
-    }
 }