feat(dynamite)!: validate version of dynamite_runtime when generating

packages/dynamite/dynamite/README.md

@@ -16,7 +16,7 @@ dependencies:
   uri: ^1.0.0
 dev_dependencies:
   build_runner: ^2.4.0
-  built_value_generator: ^8.8.0
+  built_value_generator: ^8.8.1
 ```
 
 # Generating

packages/dynamite/dynamite/lib/src/helpers/version_checker.dart

@@ -0,0 +1,96 @@
+import 'package:build/build.dart';
+import 'package:pub_semver/pub_semver.dart';
+import 'package:pubspec_parse/pubspec_parse.dart';
+
+final dependencies = {
+  'built_collection': Version.parse('5.0.0'),
+  'built_value': Version.parse('8.0.0'),
+  'collection': Version.parse('1.0.0'),
+  'dynamite_runtime': Version.parse('0.0.1'),
+  'meta': Version.parse('1.0.0'),
+  'universal_io': Version.parse('2.0.0'),
+  'uri': Version.parse('1.0.0'),
+};
+
+final devDependencies = {
+  'built_value_generator': Version.parse('8.8.1'),
+};
+
+/// Checks whether the correct version of the dependencies are present in the pubspec.yaml file.
+Future<({bool hasFatal, String messages})> helperVersionCheck(final BuildStep buildStep) async {
+  final pubspecAsset = AssetId(buildStep.inputId.package, 'pubspec.yaml');
+
+  if (!await buildStep.canRead(pubspecAsset)) {
+    return (
+      hasFatal: false,
+      messages: 'Failed to read the pubspec.yaml file. Version constraints of required packages can not be validated.',
+    );
+  }
+
+  final pubspecContent = await buildStep.readAsString(pubspecAsset);
+  final pubspec = Pubspec.parse(pubspecContent, sourceUrl: pubspecAsset.uri);
+
+  final messages = StringBuffer();
+  var hasFatal = false;
+
+  for (final constraint in dependencies.entries) {
+    final result = _validateVersion(pubspec.dependencies, constraint.key, constraint.value);
+
+    if (result.message != null) {
+      messages.writeln(result.message);
+    }
+
+    if (result.isFatal) {
+      hasFatal = true;
+    }
+  }
+
+  for (final constraint in devDependencies.entries) {
+    final result = _validateVersion(pubspec.devDependencies, constraint.key, constraint.value);
+
+    if (result.message != null) {
+      messages.writeln(result.message);
+    }
+
+    if (result.isFatal) {
+      hasFatal = true;
+    }
+  }
+
+  return (hasFatal: hasFatal, messages: messages.toString());
+}
+
+({bool isFatal, String? message}) _validateVersion(
+  final Map<String, Dependency> dependencies,
+  final String packageName,
+  final Version minVersion,
+) {
+  final dependency = dependencies[packageName];
+  final maxVersion = minVersion.nextBreaking;
+
+  if (dependency == null) {
+    return (
+      isFatal: false,
+      message:
+          'Could not find the dependency on `$packageName` in pubspec.yaml file. Compatibility check is being skipped.',
+    );
+  } else if (dependency is HostedDependency) {
+    final constraint = dependency.version;
+    final invalidConstraintMessage =
+        'The version constraint $constraint on `$packageName` allows versions before $minVersion or after $maxVersion which is not allowed.';
+
+    if (constraint is Version && (constraint < minVersion || constraint > maxVersion)) {
+      return (isFatal: true, message: invalidConstraintMessage);
+    }
+
+    final range = constraint as VersionRange;
+    final rangeMin = range.min;
+    final rangeMax = range.max;
+
+    if (rangeMin == null || rangeMax == null || rangeMin < minVersion || rangeMax > maxVersion) {
+      return (isFatal: true, message: invalidConstraintMessage);
+    }
+  }
+
+  return (isFatal: false, message: null);
+}

packages/dynamite/dynamite/lib/src/openapi_builder.dart

@@ -12,6 +12,7 @@ import 'package:dynamite/src/builder/generate_schemas.dart';
 import 'package:dynamite/src/builder/imports.dart';
 import 'package:dynamite/src/builder/serializer.dart';
 import 'package:dynamite/src/builder/state.dart';
+import 'package:dynamite/src/helpers/version_checker.dart';
 import 'package:dynamite/src/models/config.dart';
 import 'package:dynamite/src/models/openapi.dart' as openapi;
 import 'package:version/version.dart';
@@ -38,6 +39,17 @@ class OpenAPIBuilder implements Builder {
 
   @override
   Future<void> build(final BuildStep buildStep) async {
+    final result = await helperVersionCheck(buildStep);
+
+    if (result.messages.isNotEmpty) {
+      if (result.hasFatal) {
+        log.severe(result.messages);
+        return;
+      } else {
+        log.info(result.messages);
+      }
+    }
+
     try {
       final inputId = buildStep.inputId;
       final outputId = inputId.changeExtension('.dart');

packages/dynamite/dynamite/pubspec.yaml

@@ -15,6 +15,8 @@ dependencies:
   intersperse: ^2.0.0
   meta: ^1.0.0
   path: ^1.0.0
+  pub_semver: ^2.1.4
+  pubspec_parse: ^1.2.3
   uri: ^1.0.0
   version: ^3.0.0