describe HeartSeed::DbSeed do
  describe "#bulk_insert" do
    subject{ HeartSeed::DbSeed.bulk_insert(source_file: source_file, model_class: model_class)  }

    let(:source_file){ "#{FIXTURE_DIR}/articles.yml" }
    let(:model_class){ Article }

    it{ expect{ subject }.to change(Article, :count).by(2) }
  end

  describe "#import_all" do
    subject{ HeartSeed::DbSeed.import_all(seed_dir: seed_dir, tables: tables, catalogs: catalogs)  }

    let(:seed_dir){ FIXTURE_DIR }
    let(:tables)  { [] }
    let(:catalogs){ [] }

    before do
      # FIXME can not clear if using `DatabaseRewinder.clean`
      DatabaseRewinder.clean_all
    end

    after do
      # FIXME can not clear if using `DatabaseRewinder.clean`
      DatabaseRewinder.clean_all
    end

    context "When empty tables" do
      it{ expect{ subject }.to change(Article, :count).by(2) }
      it{ expect{ subject }.to change(Comment, :count).by(2) }
      it{ expect{ subject }.to change(Like   , :count).by(1) }
    end

    context "When specify tables" do
      let(:tables)  { ["articles"] }

      it{ expect{ subject }.to change(Article, :count).by(2) }
      it{ expect{ subject }.to change(Comment, :count).by(0) }
      it{ expect{ subject }.to change(Like   , :count).by(0) }
    end

    context "When specify catalogs" do
      let(:catalogs){ ["article"] }

      before do
        allow(HeartSeed::Helper).to receive(:catalogs){
          { "article" => ["articles", "likes"] }
        }
      end

      it{ expect{ subject }.to change(Article, :count).by(2) }
      it{ expect{ subject }.to change(Comment, :count).by(0) }
      it{ expect{ subject }.to change(Like   , :count).by(1) }
    end
  end

  describe "#parse_string_or_array_arg" do
    subject{ HeartSeed::DbSeed.parse_string_or_array_arg(tables) }

    where(:tables, :expected) do
      [
          [nil                   , []],
          [""                    , []],
          [%w(articles comments) , %w(articles comments)],
          ["articles,comments"   , %w(articles comments)],
      ]
    end

    with_them do
      it{ should eq expected }
    end
  end

  describe "#parse_arg_catalogs" do
    subject{ HeartSeed::DbSeed.parse_arg_catalogs(catalogs) }

    before do
      allow(HeartSeed::Helper).to receive(:catalogs){
        {
            "article" => ["articles", "likes"],
            "user"    => ["users", "user_profiles"],
        }
      }
    end

    where(:catalogs, :expected) do
      [
          [nil              , []],
          [""               , []],
          ["article"        , %w(articles likes)],
          ["article,user"   , %w(articles likes users user_profiles)],
          [%w(article)      , %w(articles likes)],
          [%w(article user) , %w(articles likes users user_profiles)],
      ]
    end

    with_them do
      it{ should eq expected }
    end
  end
end