Fix undefined variable error on json project views

This mistake seems to have always been there, but it only resulted in
errors on the `/explore*.json` since they were the one that _actually_
relied on the local variables.

app/controllers/admin/projects_controller.rb

@@ -15,7 +15,7 @@ class Admin::ProjectsController < Admin::ApplicationController
       format.html
       format.json do
         render json: {
-          html: view_to_html_string("admin/projects/_projects", locals: { projects: @projects })
+          html: view_to_html_string("admin/projects/_projects", projects: @projects)
         }
       end
     end

app/controllers/dashboard/projects_controller.rb

@@ -26,7 +26,7 @@ class Dashboard::ProjectsController < Dashboard::ApplicationController
       end
       format.json do
         render json: {
-          html: view_to_html_string("dashboard/projects/_projects", locals: { projects: @projects })
+          html: view_to_html_string("dashboard/projects/_projects", projects: @projects)
         }
       end
     end
@@ -43,7 +43,7 @@ class Dashboard::ProjectsController < Dashboard::ApplicationController
       format.html
       format.json do
         render json: {
-          html: view_to_html_string("dashboard/projects/_projects", locals: { projects: @projects })
+          html: view_to_html_string("dashboard/projects/_projects", projects: @projects)
         }
       end
     end

app/controllers/explore/projects_controller.rb

@@ -15,7 +15,7 @@ class Explore::ProjectsController < Explore::ApplicationController
       format.html
       format.json do
         render json: {
-          html: view_to_html_string("explore/projects/_projects", locals: { projects: @projects })
+          html: view_to_html_string("explore/projects/_projects", projects: @projects)
         }
       end
     end
@@ -30,7 +30,7 @@ class Explore::ProjectsController < Explore::ApplicationController
       format.html
       format.json do
         render json: {
-          html: view_to_html_string("explore/projects/_projects", locals: { projects: @projects })
+          html: view_to_html_string("explore/projects/_projects", projects: @projects)
         }
       end
     end
@@ -44,7 +44,7 @@ class Explore::ProjectsController < Explore::ApplicationController
       format.html
       format.json do
         render json: {
-          html: view_to_html_string("explore/projects/_projects", locals: { projects: @projects })
+          html: view_to_html_string("explore/projects/_projects", projects: @projects)
         }
       end
     end

changelogs/unreleased/fix-projects-partial-locals.yml

+---
+title: Fix undefined variable error on json project views
+merge_request: 26297
+author:
+type: fixed

spec/controllers/admin/projects_controller_spec.rb

@@ -43,6 +43,16 @@ describe Admin::ProjectsController do
     end
   end
 
+  describe 'GET /projects.json' do
+    render_views
+
+    before do
+      get :index, format: :json
+    end
+
+    it { is_expected.to respond_with(:success) }
+  end
+
   describe 'GET /projects/:id' do
     render_views
 

spec/controllers/dashboard/projects_controller_spec.rb

@@ -2,4 +2,30 @@ require 'spec_helper'
 
 describe Dashboard::ProjectsController do
   it_behaves_like 'authenticates sessionless user', :index, :atom
+
+  context 'json requests' do
+    render_views
+
+    let(:user) { create(:user) }
+
+    before do
+      sign_in(user)
+    end
+
+    describe 'GET /projects.json' do
+      before do
+        get :index, format: :json
+      end
+
+      it { is_expected.to respond_with(:success) }
+    end
+
+    describe 'GET /starred.json' do
+      before do
+        get :starred, format: :json
+      end
+
+      it { is_expected.to respond_with(:success) }
+    end
+  end
 end

spec/controllers/explore/projects_controller_spec.rb

 require 'spec_helper'
 
 describe Explore::ProjectsController do
+  describe 'GET #index.json' do
+    render_views
+
+    before do
+      get :index, format: :json
+    end
+
+    it { is_expected.to respond_with(:success) }
+  end
+
+  describe 'GET #trending.json' do
+    render_views
+
+    before do
+      get :trending, format: :json
+    end
+
+    it { is_expected.to respond_with(:success) }
+  end
+
+  describe 'GET #starred.json' do
+    render_views
+
+    before do
+      get :starred, format: :json
+    end
+
+    it { is_expected.to respond_with(:success) }
+  end
+
   describe 'GET #trending' do
     context 'sorting by update date' do
       let(:project1) { create(:project, :public, updated_at: 3.days.ago) }