require 'spec_helper'

describe Snippet, models: true do
  describe 'modules' do
    subject { described_class }

    it { is_expected.to include_module(Gitlab::VisibilityLevel) }
    it { is_expected.to include_module(Linguist::BlobHelper) }
    it { is_expected.to include_module(Participable) }
    it { is_expected.to include_module(Referable) }
    it { is_expected.to include_module(Sortable) }
  end

  describe 'associations' do
    it { is_expected.to belong_to(:author).class_name('User') }
    it { is_expected.to belong_to(:project) }
    it { is_expected.to have_many(:notes).dependent(:destroy) }
  end

  describe 'validation' do
    it { is_expected.to validate_presence_of(:author) }

    it { is_expected.to validate_presence_of(:title) }
    it { is_expected.to validate_length_of(:title).is_within(0..255) }

    it { is_expected.to validate_length_of(:file_name).is_within(0..255) }

    it { is_expected.to validate_presence_of(:content) }

    it { is_expected.to validate_inclusion_of(:visibility_level).in_array(Gitlab::VisibilityLevel.values) }
  end

  describe '#to_reference' do
    let(:project) { create(:empty_project) }
    let(:snippet) { create(:snippet, project: project) }

    it 'returns a String reference to the object' do
      expect(snippet.to_reference).to eq "$#{snippet.id}"
    end

    it 'supports a cross-project reference' do
      cross = double('project')
      expect(snippet.to_reference(cross)).to eq "#{project.to_reference}$#{snippet.id}"
    end
  end

  describe '.search' do
    let(:snippet) { create(:snippet) }

    it 'returns snippets with a matching title' do
      expect(described_class.search(snippet.title)).to eq([snippet])
    end

    it 'returns snippets with a partially matching title' do
      expect(described_class.search(snippet.title[0..2])).to eq([snippet])
    end

    it 'returns snippets with a matching title regardless of the casing' do
      expect(described_class.search(snippet.title.upcase)).to eq([snippet])
    end

    it 'returns snippets with a matching file name' do
      expect(described_class.search(snippet.file_name)).to eq([snippet])
    end

    it 'returns snippets with a partially matching file name' do
      expect(described_class.search(snippet.file_name[0..2])).to eq([snippet])
    end

    it 'returns snippets with a matching file name regardless of the casing' do
      expect(described_class.search(snippet.file_name.upcase)).to eq([snippet])
    end
  end

  describe '#search_code' do
    let(:snippet) { create(:snippet, content: 'class Foo; end') }

    it 'returns snippets with matching content' do
      expect(described_class.search_code(snippet.content)).to eq([snippet])
    end

    it 'returns snippets with partially matching content' do
      expect(described_class.search_code('class')).to eq([snippet])
    end

    it 'returns snippets with matching content regardless of the casing' do
      expect(described_class.search_code('FOO')).to eq([snippet])
    end
  end

  describe '#participants' do
    let(:project) { create(:project, :public) }
    let(:snippet) { create(:snippet, content: 'foo', project: project) }

    let!(:note1) do
      create(:note_on_project_snippet,
             noteable: snippet,
             project: project,
             note: 'a')
    end

    let!(:note2) do
      create(:note_on_project_snippet,
             noteable: snippet,
             project: project,
             note: 'b')
    end

    it 'includes the snippet author' do
      expect(snippet.participants).to include(snippet.author)
    end

    it 'includes the note authors' do
      expect(snippet.participants).to include(note1.author, note2.author)
    end
  end
end
