# frozen_string_literal: true

require 'spec_helper'

describe Projects::TreeController do
  let(:project) { create(:project, :repository) }
  let(:user)    { create(:user) }

  before do
    sign_in(user)

    project.add_maintainer(user)
    controller.instance_variable_set(:@project, project)
  end

  describe "GET show" do
    # Make sure any errors accessing the tree in our views bubble up to this spec
    render_views

    before do
      expect(::Gitlab::GitalyClient).to receive(:allow_ref_name_caching).and_call_original

      get(:show,
          params: {
            namespace_id: project.namespace.to_param,
            project_id: project,
            id: id
          })
    end

    context "valid branch, no path" do
      let(:id) { 'master' }

      it { is_expected.to respond_with(:success) }
    end

    context "valid branch, valid path" do
      let(:id) { 'master/encoding/' }

      it { is_expected.to respond_with(:success) }
    end

    context "valid branch, invalid path" do
      let(:id) { 'master/invalid-path/' }

      it 'redirects' do
        expect(subject)
            .to redirect_to("/#{project.full_path}/-/tree/master")
      end
    end

    context "invalid branch, valid path" do
      let(:id) { 'invalid-branch/encoding/' }

      it { is_expected.to respond_with(:not_found) }
    end

    context "valid empty branch, invalid path" do
      let(:id) { 'empty-branch/invalid-path/' }

      it 'redirects' do
        expect(subject)
            .to redirect_to("/#{project.full_path}/-/tree/empty-branch")
      end
    end

    context "valid empty branch" do
      let(:id) { 'empty-branch' }

      it { is_expected.to respond_with(:success) }
    end

    context "invalid SHA commit ID" do
      let(:id) { 'ff39438/.gitignore' }

      it { is_expected.to respond_with(:not_found) }
    end

    context "valid SHA commit ID" do
      let(:id) { '6d39438' }

      it { is_expected.to respond_with(:success) }
    end

    context "valid SHA commit ID with path" do
      let(:id) { '6d39438/.gitignore' }

      it { expect(response).to have_gitlab_http_status(:found) }
    end
  end

  describe "GET show" do
    context 'lfs_blob_ids instance variable' do
      let(:id) { 'master' }

      context 'with vue tree view enabled' do
        before do
          get(:show, params: { namespace_id: project.namespace.to_param, project_id: project, id: id })
        end

        it 'is not set' do
          expect(assigns[:lfs_blob_ids]).to be_nil
        end
      end

      context 'with vue tree view disabled' do
        before do
          stub_feature_flags(vue_file_list: false)

          get(:show, params: { namespace_id: project.namespace.to_param, project_id: project, id: id })
        end

        it 'is set' do
          expect(assigns[:lfs_blob_ids]).not_to be_nil
        end
      end
    end
  end

  describe 'GET show with whitespace in ref' do
    render_views

    let(:id) { "this ref/api/responses" }

    it 'does not call make a Gitaly request' do
      allow(::Gitlab::GitalyClient).to receive(:call).and_call_original
      expect(::Gitlab::GitalyClient).not_to receive(:call).with(anything, :commit_service, :find_commit, anything, anything)

      get(:show,
          params: {
            namespace_id: project.namespace.to_param,
            project_id: project,
            id: id
          })

      expect(response).to have_gitlab_http_status(:not_found)
    end
  end

  describe 'GET show with blob path' do
    render_views

    before do
      get(:show,
          params: {
            namespace_id: project.namespace.to_param,
            project_id: project,
            id: id
          })
    end

    context 'redirect to blob' do
      let(:id) { 'master/README.md' }

      it 'redirects' do
        redirect_url = "/#{project.full_path}/-/blob/master/README.md"
        expect(subject)
          .to redirect_to(redirect_url)
      end
    end
  end

  describe '#create_dir' do
    render_views

    before do
      post(:create_dir,
           params: {
             namespace_id: project.namespace.to_param,
             project_id: project,
             id: 'master',
             dir_name: path,
             branch_name: branch_name,
             commit_message: 'Test commit message'
           })
    end

    context 'successful creation' do
      let(:path) { 'files/new_dir'}
      let(:branch_name) { 'master-test'}

      it 'redirects to the new directory' do
        expect(subject)
            .to redirect_to("/#{project.full_path}/-/tree/#{branch_name}/#{path}")
        expect(flash[:notice]).to eq('The directory has been successfully created.')
      end
    end

    context 'unsuccessful creation' do
      let(:path) { 'README.md' }
      let(:branch_name) { 'master'}

      it 'does not allow overwriting of existing files' do
        expect(subject)
            .to redirect_to("/#{project.full_path}/-/tree/master")
        expect(flash[:alert]).to eq('A file with this name already exists')
      end
    end
  end
end
