Migrate to request specs in /api/v1/blocks (#25517)

spec/requests/api/v1/blocks_spec.rb

@@ -0,0 +1,80 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe 'Blocks' do
+  let(:user)    { Fabricate(:user) }
+  let(:scopes)  { 'read:blocks' }
+  let(:token)   { Fabricate(:accessible_access_token, resource_owner_id: user.id, scopes: scopes) }
+  let(:headers) { { 'Authorization' => "Bearer #{token.token}" } }
+
+  describe 'GET /api/v1/blocks' do
+    subject do
+      get '/api/v1/blocks', headers: headers, params: params
+    end
+
+    let!(:blocks) { Fabricate.times(3, :block, account: user.account) }
+    let(:params)  { {} }
+
+    let(:expected_response) do
+      blocks.map { |block| a_hash_including(id: block.target_account.id.to_s, username: block.target_account.username) }
+    end
+
+    it_behaves_like 'forbidden for wrong scope', 'write write:blocks'
+
+    it 'returns the blocked accounts', :aggregate_failures do
+      subject
+
+      expect(response).to have_http_status(200)
+      expect(body_as_json).to match_array(expected_response)
+    end
+
+    context 'with limit param' do
+      let(:params) { { limit: 2 } }
+
+      it 'returns only the requested number of blocked accounts' do
+        subject
+
+        expect(body_as_json.size).to eq(params[:limit])
+      end
+
+      it 'sets the correct pagination header for the prev path' do
+        subject
+
+        expect(response.headers['Link'].find_link(%w(rel prev)).href).to eq(api_v1_blocks_url(limit: params[:limit], since_id: blocks.last.id))
+      end
+
+      it 'sets the correct pagination header for the next path' do
+        subject
+
+        expect(response.headers['Link'].find_link(%w(rel next)).href).to eq(api_v1_blocks_url(limit: params[:limit], max_id: blocks[1].id))
+      end
+    end
+
+    context 'with max_id param' do
+      let(:params) { { max_id: blocks[1].id } }
+
+      it 'queries the blocks in range according to max_id', :aggregate_failures do
+        subject
+
+        response_body = body_as_json
+
+        expect(response_body.size).to be 1
+        expect(response_body[0][:id]).to eq(blocks[0].target_account.id.to_s)
+      end
+    end
+
+    context 'with since_id param' do
+      let(:params) { { since_id: blocks[1].id } }
+
+      it 'queries the blocks in range according to since_id', :aggregate_failures do
+        subject
+
+        response_body = body_as_json
+
+        expect(response_body.size).to be 1
+        expect(response_body[0][:id]).to eq(blocks[2].target_account.id.to_s)
+      end
+    end
+  end
+end