spec/lib/database_spec.rb


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# frozen_string_literal: true

require 'rspec'
require_relative '../../lib/chotto/database'

RSpec.describe Chotto::Database do
  let(:db_double) { double('Notmuch::Database') }
  let(:db_instance_double) { double('Notmuch::Database') }
  let(:query_double) { double('Notmuch::Query') }
  let(:query) { 'from:baltar@battlestar.com' }
  let(:path) { '/var/db/mail' }
  let(:subject) { Chotto::Database }

  before do
    expect(db_double).to receive(:new).with(path, mode: Notmuch::MODE_READ_WRITE).and_return(db_instance_double)
  end

  it 'initializes the database instance' do
    subject.new(path: path, db_class: db_double)
  end

  describe '#search_messages' do
    it 'uses the correct method chain' do
      expect(db_instance_double).to receive(:query).with(query).and_return(query_double)
      expect(query_double).to receive(:search_messages)

      db = subject.new(path: path, db_class: db_double)
      db.search_messages(query)
    end
  end
end