require_relative '../charrington_spec_helper'

describe LogStash::Outputs::Charrington do
  include_context 'postgres'
  include_context 'pipeline'

  describe 'a new payload with one event' do
    let(:config) do
      <<-CONFIG
      input {
        generator {
          message => '{"app_name": "Web App", "event": "schemaless", "meta": { "type": "XML" }, "published_at": "2019-07-29T20:09:18Z" }'
          codec => 'json'
          count => 1
        }
      }

      output {
        charrington {
          connection_string => '#{@url}'
          driver_jar_path => '#{driver_path}'
          schema => ''
        }
      }
      CONFIG
    end

    it 'creates a table and inserts a record' do
      drop_table('schemaless')
      run_pipeline
      expect(query('SELECT * FROM schemaless')).to match_array([{id: "1", app_name: "Web App", event: "schemaless", inserted_at: a_kind_of(String), :meta_type => "XML", :published_at => "2019-07-29 20:09:18"}])
      expect(query('SELECT COUNT(1) FROM schemaless').first[:count]).to eq("1")
    end
  end

  describe 'removes a trailing plus sign' do
    let(:config) do
      <<-CONFIG
      input {
        generator {
          message => '{"app_name": "Web App", "event": "with plus +", "meta": { "type": "XML" } }'
          codec => 'json'
          count => 1
        }
      }

      output {
        charrington {
          connection_string => '#{@url}'
          driver_jar_path => '#{driver_path}'
          schema => ''
        }
      }
      CONFIG
    end

    it 'creates a table and inserts a record' do
      drop_table('with_plus')
      run_pipeline
      expect(query('SELECT * FROM with_plus')).to match_array([{id: "1", app_name: "Web App", event: "with plus +", inserted_at: a_kind_of(String), :meta_type => "XML"}])
      expect(query('SELECT COUNT(1) FROM with_plus').first[:count]).to eq("1")
    end
  end

  describe '2 event payloads with different metadata' do
    let(:config) do
      <<-CONFIG
      input {
        generator {
          lines => [
            '{"app_name": "Web App", "event": "metadata", "meta": { "type": "XML" } }',
            '{"app_name": "Web App", "event": "metadata", "meta": { "type": "XML", "file_name": "virus.pdf" } }'
          ]
          codec => 'json'
          count => 1
        }
      }

      output {
        charrington {
          connection_string => '#{@url}'
          driver_jar_path => '#{driver_path}'
          schema => ''
        }
      }
      CONFIG
    end

    it 'creates a table and inserts the first record and alters the table for the second record' do
      drop_table('metadata')
      run_pipeline
      expect(query('SELECT * FROM metadata')).to match_array([
                                                                   {app_name: 'Web App', event: 'metadata', id: '1', inserted_at: a_kind_of(String), meta_file_name: nil, meta_type: 'XML'},
                                                                   {app_name: 'Web App', event: 'metadata', id: '2', inserted_at: a_kind_of(String), meta_file_name: 'virus.pdf', meta_type: 'XML'}
                                                               ])
      expect(query('SELECT COUNT(1) FROM metadata').first[:count]).to eq("2")
    end
  end

  describe 'event payload for an existing table with existing data' do
    let(:config) do
      <<-CONFIG
      input {
        generator {
          message => '{"app_name": "Web App", "event": "existing", "meta": { "type": "XML" } }'
          codec => 'json'
          count => 1
        }
      }

      output {
        charrington {
          connection_string => '#{@url}'
          driver_jar_path => '#{driver_path}'
          schema => ''
        }
      }
      CONFIG
    end

    it 'can insert into an existing table' do
      # setup pre-existing data
      drop_table('existing')
      create_table('CREATE TABLE existing (id SERIAL PRIMARY KEY, inserted_at TIMESTAMP DEFAULT NOW(), app_name VARCHAR(255))')
      insert("INSERT INTO existing (app_name) VALUES ('Not Agent')")
      expect(query('SELECT * FROM existing')).to match_array([{id: "1", inserted_at: a_kind_of(String), app_name: "Not Agent"}])

      run_pipeline
      expect(query('SELECT * FROM existing')).to match_array([
                                                                   {id: '1', app_name: 'Not Agent', event: nil, inserted_at: a_kind_of(String), meta_type: nil},
                                                                   {id: '2', app_name: 'Web App', event: 'existing', inserted_at: a_kind_of(String), meta_type: 'XML'}
                                                               ])
    end
  end

  describe '2 event payloads with different metadata and different schema' do
    let(:schema) { "dea_test" }
    let(:config) do
      <<-CONFIG
      input {
        generator {
          lines => [
            '{"app_name": "Web App", "event": "From Agent", "meta": { "type": "XML" } }',
            '{"app_name": "Web App", "event": "From Agent", "meta": { "type": "XML", "file_name": "virus.pdf" } }'
          ]
          codec => 'json'
          count => 1
        }
      }

      output {
        charrington {
          connection_string => '#{@url}'
          driver_jar_path => '#{driver_path}'
          schema => '#{schema}'
        }
      }
      CONFIG
    end

    it 'creates a table and inserts the first record and alters the table for the second record' do
      create("CREATE SCHEMA IF NOT EXISTS #{schema}")
      drop_table("#{schema}.from_agent")
      run_pipeline
      expect(query("SELECT * FROM #{schema}.from_agent")).to match_array([
                                                                   {app_name: 'Web App', event: 'From Agent', id: '1', inserted_at: a_kind_of(String), meta_file_name: nil, meta_type: 'XML'},
                                                                   {app_name: 'Web App', event: 'From Agent', id: '2', inserted_at: a_kind_of(String), meta_file_name: 'virus.pdf', meta_type: 'XML'}
                                                               ])
      expect(query("SELECT COUNT(1) FROM #{schema}.from_agent").first[:count]).to eq("2")
    end
  end

  describe 'a new payload with one event camelCase' do
    let(:config) do
      <<-CONFIG
      input {
        generator {
          message => '{"app_name": "Web App", "event": "camelCase this", "meta": { "type": "XML" } }'
          codec => 'json'
          count => 1
        }
      }

      output {
        charrington {
          connection_string => '#{@url}'
          driver_jar_path => '#{driver_path}'
          schema => ''
        }
      }
      CONFIG
    end

    it 'creates a table and inserts a record' do
      drop_table('camel_case_this')
      run_pipeline
      expect(query('SELECT * FROM camel_case_this')).to match_array([{id: "1", app_name: "Web App", event: "camelCase this", inserted_at: a_kind_of(String), :meta_type => "XML"}])
      expect(query('SELECT COUNT(1) FROM camel_case_this').first[:count]).to eq("1")
    end
  end

end