Needed no actual changes...

.gitignore

@@ -26,3 +26,68 @@ doc/api/
 # Don't commit pubspec lock file 
 # (Library packages only! Remove pattern if developing an application package)
 pubspec.lock
+### Dart template
+# See https://www.dartlang.org/tools/private-files.html
+
+# Files and directories created by pub
+
+# SDK 1.20 and later (no longer creates packages directories)
+
+# Older SDK versions
+# (Include if the minimum SDK version specified in pubsepc.yaml is earlier than 1.20)
+
+
+# Files created by dart2js
+# (Most Dart developers will use pub build to compile Dart, use/modify these
+#  rules if you intend to use dart2js directly
+#  Convention is to use extension '.dart.js' for Dart compiled to Javascript to
+#  differentiate from explicit Javascript files)
+
+# Directory created by dartdoc
+
+# Don't commit pubspec lock file
+# (Library packages only! Remove pattern if developing an application package)
+### JetBrains template
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and Webstorm
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff:
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/dictionaries
+
+# Sensitive or high-churn files:
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.xml
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+
+# Gradle:
+.idea/**/gradle.xml
+.idea/**/libraries
+
+# Mongo Explorer plugin:
+.idea/**/mongoSettings.xml
+
+## File-based project format:
+*.iws
+
+## Plugin-specific files:
+
+# IntelliJ
+/out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties

lib/src/belongs_to.dart

@@ -9,8 +9,8 @@ import 'no_service.dart';
 /// on the target object.
 ///
 /// Defaults:
-/// * [foreignKey]: `userId`
-/// * [localKey]: `id`
+/// * [localKey]: `userId`
+/// * [foreignKey]: `id`
 HookedServiceEventListener belongsTo(Pattern servicePath,
     {String as,
     String foreignKey,

lib/src/has_one.dart

@@ -52,6 +52,7 @@ HookedServiceEventListener hasOne(Pattern servicePath,
     _normalize(obj) async {
       if (obj != null) {
         var id = await _getLocalKey(obj);
+
         var indexed = await ref.index({
           'query': {foreignKey ?? 'userId': id}
         });

pubspec.yaml

@@ -8,5 +8,5 @@ environment:
 dependencies: 
   angel_framework: ^1.0.0-dev
 dev_dependencies:
-  angel_seeder: ^0.0.0
+  angel_seeder: ^1.0.0
   test: ^0.12.0

test/belongs_to_test.dart

@@ -9,8 +9,8 @@ main() {
 
   setUp(() async {
     app = new Angel()
-      ..use('/authors', new CustomMapService())
-      ..use('/books', new CustomMapService());
+      ..use('/authors', new MapService())
+      ..use('/books', new MapService());
 
     await app.configure(seed(
         'authors',

test/common.dart

@@ -1,6 +1,7 @@
 import 'package:angel_framework/angel_framework.dart';
 import 'package:json_god/json_god.dart' as god;
 
+@deprecated
 class CustomMapService extends Service {
   final List<Map> _items = [];
 

test/has_many_test.dart

@@ -9,8 +9,8 @@ main() {
 
   setUp(() async {
     app = new Angel()
-      ..use('/authors', new CustomMapService())
-      ..use('/books', new CustomMapService());
+      ..use('/authors', new MapService())
+      ..use('/books', new MapService());
 
     await app.configure(seed(
         'authors',

test/has_one_test.dart

@@ -9,8 +9,8 @@ main() {
 
   setUp(() async {
     app = new Angel()
-      ..use('/authors', new CustomMapService())
-      ..use('/books', new CustomMapService());
+      ..use('/authors', new MapService())
+      ..use('/books', new MapService());
 
     await app.configure(seed(
         'authors',
@@ -41,6 +41,8 @@ main() {
       expect(author.keys, contains('book'));
 
       Map book = author['book'];
+      print('Author: $author');
+      print('Book: $book');
       expect(book['authorId'], equals(author['id']));
     }
   });