require 'flydata/source_mysql/sync_generate_table_ddl'

module Flydata
module SourceMysql

describe SyncGenerateTableDdl do
  let(:subject_object) { described_class.new(source, dp, options) }

  let(:dp) { double('dp') }
  let(:de) { {
    'mysql_data_entry_preference' => {
      'host' => 'localhost',
      'port' => 3306,
      'username' => 'masashi',
      'password' => 'welcome',
      'database' => 'sync_test',
    }
  } }
  let(:options) { {} }

  let(:source) { double('source') }
  before do
    allow(source).to receive(:de).and_return de
  end

  describe '#run_compatibility_check' do
    subject { subject_object.run_compatibility_check }

    let(:checker) { double("checker") }
    it do
      expect(MysqlCompatibilityCheck).to receive(:new).and_return checker
      expect(checker).to receive(:check)

      subject
    end
  end
  describe '#generate_flydata_tabledef' do
    subject { subject_object.generate_flydata_tabledef(tables, options) }

    let(:tables) { %w| table1 table2 table4 table3 | }

    context 'with full options' do
      it 'issues mysqldump command with expected parameters' do
        expect(Open3).to receive(:popen3).with(
         'mysqldump -h localhost -P 3306 -umasashi -pwelcome --default-character-set=utf8 --protocol=tcp -d sync_test table1 table2 table4 table3')

        subject
      end
    end
    context 'without_host' do
      before do
        de['mysql_data_entry_preference'].delete('host')
      end
      it { expect { subject }.to raise_error }
    end
    context 'with empty host' do
      before do
        de['mysql_data_entry_preference']['host'] = ""
      end
      it { expect { subject }.to raise_error }
    end
    context 'without port' do
      before do
        de['mysql_data_entry_preference'].delete('port')
      end
      it "uses the default port" do
        expect(Open3).to receive(:popen3).with(
         'mysqldump -h localhost -umasashi -pwelcome --default-character-set=utf8 --protocol=tcp -d sync_test table1 table2 table4 table3')
        subject
      end
    end
    context 'with port override' do
      before do
        de['mysql_data_entry_preference']['port'] = 1234
      end
      it "uses the specified port" do
        expect(Open3).to receive(:popen3).with(
         'mysqldump -h localhost -P 1234 -umasashi -pwelcome --default-character-set=utf8 --protocol=tcp -d sync_test table1 table2 table4 table3')
        subject
      end
    end
    context 'without username' do
      before do
        de['mysql_data_entry_preference'].delete('username')
      end
      it { expect { subject }.to raise_error }
    end
    context 'with empty username' do
      before do
        de['mysql_data_entry_preference']['username'] = ""
      end
      it { expect { subject }.to raise_error }
    end
    context 'without_password' do
      before do
        de['mysql_data_entry_preference'].delete('password')
      end
      it "call mysqldump without MYSQL_PW set" do
        expect(Open3).to receive(:popen3).with(
         'mysqldump -h localhost -P 3306 -umasashi --default-character-set=utf8 --protocol=tcp -d sync_test table1 table2 table4 table3')
        subject
      end
    end
    context 'with password containing symbols' do
      before do
        de['mysql_data_entry_preference']['password']="welcome&!@^@#^"
      end
      it "call mysqldump with MYSQL_PW set with correct symbols" do
        expect(Open3).to receive(:popen3).with(
         'mysqldump -h localhost -P 3306 -umasashi -pwelcome\\&\\!@\\^@\\#\\^ --default-character-set=utf8 --protocol=tcp -d sync_test table1 table2 table4 table3')
        subject
      end
    end
    context 'without_database' do
      before do
        de['mysql_data_entry_preference'].delete('database')
      end
      it { expect { subject }.to raise_error }
    end
    context 'with empty database' do
      before do
        de['mysql_data_entry_preference']['database'] = ""
      end
      it { expect { subject }.to raise_error }
    end
    context 'with empty tables' do
      before do
        de['mysql_data_entry_preference']['tables'] = []
      end
      it { expect { subject }.to raise_error }
    end
  end
end


end
end