diff --git a/spec/lib/graphql_spec.rb b/spec/lib/graphql_spec.rb
new file mode 100644
index 000000000..5f7ab34bb
--- /dev/null
+++ b/spec/lib/graphql_spec.rb
@@ -0,0 +1,56 @@
+require 'rails_helper'
+
+describe ConsulSchema do
+  let(:context) { {} }  # should be overriden for specific queries
+  let(:variables) { {} }
+  let(:result) { ConsulSchema.execute(query_string, context: context, variables: variables) }
+
+  describe "answers simple queries" do
+    let(:query_string) { "{ proposals { edges { node { title } } } }" }
+    let(:context) {
+      { proposal: create(:proposal, title: "A new proposal") }
+    }
+
+    it "can return proposal titles" do
+      proposals = result["data"]["proposals"]["edges"].collect { |edge| edge['node'] }
+      expect(proposals.size).to eq(1)
+      expect(proposals.first['title']).to eq("A new proposal")
+    end
+  end
+
+  describe "queries with nested associations" do
+    let(:query_string) { "{ proposals { edges { node { id, title, author { username } } } } }" }
+
+    let(:mrajoy) { create(:user, username: 'mrajoy') }
+    let(:dtrump) { create(:user, username: 'dtrump') }
+    let(:context) {
+      { proposal_1: create(:proposal, id: 1, title: "Bajar el IVA", author: mrajoy) }
+      { proposal_2: create(:proposal, id: 2, title: "Censurar los memes", author: mrajoy) }
+      { proposal_3: create(:proposal, id: 3, title: "Construir un muro", author: dtrump) }
+    }
+
+    it "returns the appropiate fields" do
+      proposals = result["data"]["proposals"]["edges"].collect { |edge| edge['node'] }
+
+      expected_result = [
+        {
+          'id' => 1,
+          'title' => 'Bajar el IVA',
+          'author' => { 'username' => 'mrajoy' }
+        },
+        {
+          'id' => 2,
+          'title' => 'Censurar los memes',
+          'author' => { 'username' => 'mrajoy' }
+        },
+        {
+          'id' => 3,
+          'title' => 'Construir un muro',
+          'author' => { 'username' => 'dtrump' }
+        }
+      ]
+
+      expect(proposals).to match_array(expected_result)
+    end
+  end
+end