Initial tests

.github/workflows/test.yml

@@ -85,16 +85,16 @@ jobs:
         flutter-channel: [stable, beta]
     defaults:
       run:
-        working-directory: hive_generator/example
+        working-directory: hive_generator
     steps:
       - uses: actions/checkout@v4
       - uses: subosito/flutter-action@v2
         with:
           channel: ${{ matrix.flutter-channel }}
       - name: Install dependencies
         run: dart pub get
-      - name: Generate build_runner output
-        run: dart pub run build_runner build --delete-conflicting-outputs
+      - name: Run tests
+        run: dart test
 
   ensure-codegen:
     runs-on: ubuntu-latest

hive_generator/lib/src/adapters_generator.dart

@@ -13,6 +13,13 @@ import 'package:yaml/yaml.dart';
 import 'package:yaml_writer/yaml_writer.dart';
 import 'package:path/path.dart' as path;
 
+/// The comment placed at the top of the schema file
+const schemaComment = '''
+# Generated by Hive CE
+# Manual modifications may be necessary for certain migrations
+# If edited manually, delete `.dart_tool` before regenerating
+# Check into version control''';
+
 /// Builder that generates Hive adapters from a GenerateAdapters annotation
 class AdaptersGenerator extends GeneratorForAnnotation<GenerateAdapters> {
   @override
@@ -75,10 +82,7 @@ class AdaptersGenerator extends GeneratorForAnnotation<GenerateAdapters> {
         .write(HiveSchema(nextTypeId: nextTypeId, types: newTypes).toJson());
     schemaFile.writeAsStringSync(
       '''
-# Generated by Hive CE
-# Manual modifications may be necessary for certain migrations
-# If edited manually, delete `.dart_tool` before regenerating
-# Check into version control
+$schemaComment
 $yaml''',
     );
 

hive_generator/test/adapters_generator_test.dart

@@ -1,10 +1,11 @@
+import 'package:hive_ce_generator/src/adapters_generator.dart';
 import 'package:test/test.dart';
 
 import 'test_utils.dart';
 
 void main() {
   group('adapters_generator', () {
-    test('clean generation', () async {
+    test('clean', () async {
       expectGeneration(
         input: {
           'pubspec.yaml': pubspec,
@@ -25,6 +26,7 @@ class Person {
           'lib/hive/hive_adapters.g.dart': fileExists,
           'lib/hive/hive_registrar.g.dart': fileExists,
           'lib/hive/hive_schema.yaml': '''
+$schemaComment
 nextTypeId: 1
 types: 
   Person: 
@@ -35,6 +37,57 @@ types:
         index: 0
       age: 
         index: 1
+''',
+        },
+      );
+    });
+
+    test('add type', () async {
+      // Adding Person2 while removing Person should result in Person2 having a
+      // typeId of 1
+      expectGeneration(
+        input: {
+          'pubspec.yaml': pubspec,
+          'lib/hive/hive_adapters.dart': '''
+import 'package:hive_ce/hive.dart';
+part 'hive_adapters.g.dart';
+
+@GenerateAdapters([AdapterSpec<Person2>()])
+class Person2 {
+  const Person2({required this.name, required this.age});
+
+  final String name;
+  final int age;
+}
+''',
+          'lib/hive/hive_schema.yaml': '''
+nextTypeId: 1
+types: 
+  Person: 
+    typeId: 0
+    nextIndex: 2
+    fields: 
+      name: 
+        index: 0
+      age: 
+        index: 1
+''',
+        },
+        output: {
+          'lib/hive/hive_adapters.g.dart': fileExists,
+          'lib/hive/hive_registrar.g.dart': fileExists,
+          'lib/hive/hive_schema.yaml': '''
+$schemaComment
+nextTypeId: 2
+types: 
+  Person2: 
+    typeId: 1
+    nextIndex: 2
+    fields: 
+      name: 
+        index: 0
+      age: 
+        index: 1
 ''',
         },
       );

hive_generator/test/test_utils.dart

@@ -9,15 +9,14 @@ const fileExists = '';
 ///
 /// About [output]
 /// - An empty content string will result in checking for file existence only
-/// - Files may contain additional content, but must contain the exact
-///   string specified
 void expectGeneration({
   required Map<String, String> input,
   required Map<String, String> output,
 }) {
   final projectRoot = createTestProject(input);
-  Process.runSync('dart', ['pub', 'get'], workingDirectory: projectRoot);
-  Process.runSync(
+  final result1 =
+      Process.runSync('dart', ['pub', 'get'], workingDirectory: projectRoot);
+  final result2 = Process.runSync(
     'dart',
     ['pub', 'run', 'build_runner', 'build'],
     workingDirectory: projectRoot,
@@ -30,7 +29,7 @@ void expectGeneration({
     // Do not check content if value is empty
     if (value.isNotEmpty) {
       final content = file.readAsStringSync();
-      expect(content, contains(value));
+      expect(content, value);
     }
   }
 }