spec/integration/schema_inference_spec.rb in rom-sql-0.9.1 vs spec/integration/schema_inference_spec.rb in rom-sql-1.0.0.beta1

@@ -17,29 +17,32 @@
         end
       end
 
       context 'for simple table' do
         let(:dataset) { :users }
+        let(:source) { ROM::Relation::Name[dataset] }
 
         it 'can infer attributes for dataset' do
-          expect(schema.attributes).to eql(
-            id: ROM::SQL::Types::Serial.meta(name: :id),
-            name: ROM::SQL::Types::String.meta(name: :name)
+          expect(schema.to_h).to eql(
+            id: ROM::SQL::Types::Serial.meta(name: :id, source: source),
+            name: ROM::SQL::Types::String.meta(name: :name, source: source)
           )
         end
       end
 
       context 'for a table with FKs' do
         let(:dataset) { :tasks }
+        let(:source) { ROM::Relation::Name[:tasks] }
 
         it 'can infer attributes for dataset' do
-          expect(schema.attributes).to eql(
-            id: ROM::SQL::Types::Serial.meta(name: :id),
-            title: ROM::SQL::Types::String.optional.meta(name: :title),
+          expect(schema.to_h).to eql(
+            id: ROM::SQL::Types::Serial.meta(name: :id, source: source),
+            title: ROM::SQL::Types::String.optional.meta(name: :title, source: source),
             user_id: ROM::SQL::Types::Int.optional.meta(name: :user_id,
                                                         foreign_key: true,
-                                                        relation: :users)
+                                                        source: source,
+                                                        target: :users)
          )
         end
       end
 
       context 'for complex table' do
@@ -61,19 +64,20 @@
             end
           end
         end
 
         let(:dataset) { :test_inferrence }
+        let(:source) { ROM::Relation::Name[dataset] }
 
         it 'can infer attributes for dataset' do
-          expect(schema.attributes).to eql(
-            id: ROM::SQL::Types::Serial.meta(name: :id),
-            text: ROM::SQL::Types::String.meta(name: :text),
-            flag: ROM::SQL::Types::Bool.meta(name: :flag),
-            date: ROM::SQL::Types::Date.optional.meta(name: :date),
-            datetime: ROM::SQL::Types::Time.meta(name: :datetime),
-            data: ROM::SQL::Types::Blob.optional.meta(name: :data)
+          expect(schema.to_h).to eql(
+            id: ROM::SQL::Types::Serial.meta(name: :id, source: source),
+            text: ROM::SQL::Types::String.meta(name: :text, source: source),
+            flag: ROM::SQL::Types::Bool.meta(name: :flag, source: source),
+            date: ROM::SQL::Types::Date.optional.meta(name: :date, source: source),
+            datetime: ROM::SQL::Types::Time.meta(name: :datetime, source: source),
+            data: ROM::SQL::Types::Blob.optional.meta(name: :data, source: source)
           )
         end
       end
     end
 
@@ -221,9 +225,22 @@
                 end
               end
             end
           end
         end
+      end
+    end
+  end
+
+  with_adapters(:postgres) do
+    context 'with a table without columns' do
+      before do
+        conn.create_table(:dummy) unless conn.table_exists?(:dummy) 
+        conf.relation(:dummy) { schema(infer: true) }
+      end
+
+      it 'does not fail with a weird error when a relation does not have attributes' do
+        expect(container.relations[:dummy].schema).to be_empty
       end
     end
   end
 end