Initial setup GraphQL using graphql-ruby 1.8

- All definitions have been replaced by classes:
  http://graphql-ruby.org/schema/class_based_api.html
- Authorization & Presentation have been refactored to work in the
  class based system
- Loaders have been replaced by resolvers
- Times are now coersed as ISO 8601

4 files changed, 88 insertions, 47 deletions

diff --git a/spec/requests/api/graphql/merge_request_query_spec.rb b/spec/requests/api/graphql/merge_request_query_spec.rb
new file mode 100644
index 00000000000..12b1d5d18a2
--- /dev/null
+++ b/spec/requests/api/graphql/merge_request_query_spec.rb
@@ -0,0 +1,49 @@
+require 'spec_helper'
+
+describe 'getting merge request information' do
+  include GraphqlHelpers
+
+  let(:project) { create(:project, :repository) }
+  let(:merge_request) { create(:merge_request, source_project: project) }
+  let(:current_user) { create(:user) }
+
+  let(:query) do
+    attributes = {
+      'fullPath' => merge_request.project.full_path,
+      'iid' => merge_request.iid
+    }
+    graphql_query_for('mergeRequest',  attributes)
+  end
+
+  context 'when the user has access to the merge request' do
+    before do
+      project.add_developer(current_user)
+      post_graphql(query, current_user: current_user)
+    end
+
+    it 'returns the merge request' do
+      expect(graphql_data['mergeRequest']).not_to be_nil
+    end
+
+    # This is a field coming from the `MergeRequestPresenter`
+    it 'includes a web_url' do
+      expect(graphql_data['mergeRequest']['webUrl']).to be_present
+    end
+
+    it_behaves_like 'a working graphql query'
+  end
+
+  context 'when the user does not have access to the merge request' do
+    before do
+      post_graphql(query, current_user: current_user)
+    end
+
+    it 'returns an empty field' do
+      post_graphql(query, current_user: current_user)
+
+      expect(graphql_data['mergeRequest']).to be_nil
+    end
+
+    it_behaves_like 'a working graphql query'
+  end
+end
diff --git a/spec/requests/api/graphql/project_query_spec.rb b/spec/requests/api/graphql/project_query_spec.rb
new file mode 100644
index 00000000000..8196bcfa87c
--- /dev/null
+++ b/spec/requests/api/graphql/project_query_spec.rb
@@ -0,0 +1,39 @@
+require 'spec_helper'
+
+describe 'getting project information' do
+  include GraphqlHelpers
+
+  let(:project) { create(:project, :repository) }
+  let(:current_user) { create(:user) }
+
+  let(:query) do
+    graphql_query_for('project', 'fullPath' => project.full_path)
+  end
+
+  context 'when the user has access to the project' do
+    before do
+      project.add_developer(current_user)
+      post_graphql(query, current_user: current_user)
+    end
+
+    it 'includes the project' do
+      expect(graphql_data['project']).not_to be_nil
+    end
+
+    it_behaves_like 'a working graphql query'
+  end
+
+  context 'when the user does not have access to the project' do
+    before do
+      post_graphql(query, current_user: current_user)
+    end
+
+    it 'returns an empty field' do
+      post_graphql(query, current_user: current_user)
+
+      expect(graphql_data['project']).to be_nil
+    end
+
+    it_behaves_like 'a working graphql query'
+  end
+end
diff --git a/spec/requests/graphql/merge_request_query_spec.rb b/spec/requests/graphql/merge_request_query_spec.rb
deleted file mode 100644
index cbc19782e2f..00000000000
--- a/spec/requests/graphql/merge_request_query_spec.rb
+++ /dev/null
@@ -1,24 +0,0 @@
-require 'spec_helper'
-
-describe 'getting merge request information' do
-  include GraphqlHelpers
-
-  let(:project) { create(:project, :repository, :public) }
-  let(:merge_request) { create(:merge_request, source_project: project) }
-
-  let(:query) do
-    <<~QUERY
-    {
-      merge_request(project: "#{merge_request.project.full_path}", iid: "#{merge_request.iid}") {
-        #{all_graphql_fields_for(MergeRequest)}
-      }
-    }
-    QUERY
-  end
-
-  it_behaves_like 'a working graphql query' do
-    it 'renders a merge request with all fields' do
-      expect(response_data['merge_request']).not_to be_nil
-    end
-  end
-end
diff --git a/spec/requests/graphql/project_query_spec.rb b/spec/requests/graphql/project_query_spec.rb
deleted file mode 100644
index 110ed433e03..00000000000
--- a/spec/requests/graphql/project_query_spec.rb
+++ /dev/null
@@ -1,23 +0,0 @@
-require 'spec_helper'
-
-describe 'getting project information' do
-  include GraphqlHelpers
-
-  let(:project) { create(:project, :repository, :public) }
-
-  let(:query) do
-    <<~QUERY
-    {
-      project(full_path: "#{project.full_path}") {
-        #{all_graphql_fields_for(Project)}
-      }
-    }
-    QUERY
-  end
-
-  it_behaves_like 'a working graphql query' do
-    it 'renders a project with all fields' do
-      expect(response_data['project']).not_to be_nil
-    end
-  end
-end