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# license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright
# ownership. Elasticsearch B.V. licenses this file to you under
# the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.

require 'spec_helper'
require 'rest_yaml_tests_helper'

describe 'Rest API YAML tests' do
  if REST_API_YAML_FILES.empty?
    logger = Logger.new($stdout)
    logger.error 'No test files found!'
    logger.info 'Use rake rake elasticsearch:download_artifacts in the root directory of the project to download the test artifacts.'
    exit 1
  end

  # Traverse YAML files and create TestFile object:
  REST_API_YAML_FILES.each do |file|
    begin
      test_file = Elasticsearch::RestAPIYAMLTests::TestFile.new(file, ADMIN_CLIENT, REST_API_YAML_SKIP_FEATURES)
    rescue SkipTestsException => _e
      # If the test file has a `skip` at the top level that applies to this
      # version of Elasticsearch, continue with the next text.
      logger = Logger.new($stdout)
      logger.info "Skipping #{file} due to 'skip all'."
      next
    end

    context "#{file.gsub("#{YAML_FILES_DIRECTORY}/", '')}" do
      test_file.tests.each do |test|
        context "#{test.description}" do
          if test.skip_test?(ADMIN_CLIENT)
            skip 'Test contains feature(s) not yet supported or version is not satisfied'
          else
            let(:client) do
              DEFAULT_CLIENT
            end

            # Runs once before each test in a test file
            before(:all) do
              test_file.setup
            end

            after(:all) do
              test_file.teardown
              Elasticsearch::RestAPIYAMLTests::WipeCluster.run(ADMIN_CLIENT)
            end

            test.task_groups.each do |task_group|
              before do
                task_group.run(client)
              end

              # 'catch' is in the task group definition
              if task_group.catch_exception?
                it 'sends the request and throws the expected error' do
                  expect(task_group.exception).to match_error(task_group.expected_exception_message)
                end

                # 'match' on error description is in the task group definition
                if task_group.has_match_clauses?
                  task_group.match_clauses.each do |match|
                    it 'contains the expected error in the request response' do
                      expect(task_group.exception.message).to match(Regexp.new(Regexp.escape(match['match'].values.first.to_s)))
                    end
                  end
                end
              else
                # 'match' is in the task group definition
                if task_group.has_match_clauses?
                  task_group.match_clauses.each do |match|
                    it "has the expected value (#{match['match'].values.join(',')}) in the response field (#{match['match'].keys.join(',')})" do
                      expect(task_group.response).to match_response(match['match'], test)
                    end
                  end
                end

                # 'length' is in the task group definition
                if task_group.has_length_match_clauses?
                  task_group.length_match_clauses.each do |match|
                    it "the '#{match['length'].keys.join(',')}' field have the expected length" do
                      expect(task_group.response).to match_response_field_length(match['length'], test)
                    end
                  end
                end

                # 'is_true' is in the task group definition
                if task_group.has_true_clauses?
                  task_group.true_clauses.each do |match|
                    it "sends the request and the '#{match['is_true']}' field is set to true" do
                      expect(task_group.response).to match_true_field(match['is_true'], test)
                    end
                  end
                end

                # 'is_false' is in the task group definition
                if task_group.has_false_clauses?
                  task_group.false_clauses.each do |match|
                    it "sends the request and the '#{match['is_false']}' field is set to true" do
                      expect(task_group.response).to match_false_field(match['is_false'], test)
                    end
                  end
                end

                # 'gte' is in the task group definition
                if task_group.has_gte_clauses?
                  task_group.gte_clauses.each do |match|
                    it "sends the request and the '#{match['gte']}' field is greater than or equal to the expected value" do
                      expect(task_group.response).to match_gte_field(match['gte'], test)
                    end
                  end
                end

                # 'gt' is in the task group definition
                if task_group.has_gt_clauses?
                  task_group.gt_clauses.each do |match|
                    it "sends the request and the '#{match['gt']}' field is greater than the expected value" do
                      expect(task_group.response).to match_gt_field(match['gt'], test)
                    end
                  end
                end

                # 'lte' is in the task group definition
                if task_group.has_lte_clauses?
                  task_group.lte_clauses.each do |match|
                    it "sends the request and the '#{match['lte']}' field is less than or equal to the expected value" do
                      expect(task_group.response).to match_lte_field(match['lte'], test)
                    end
                  end
                end

                # 'lt' is in the task group definition
                if task_group.has_lt_clauses?
                  task_group.lt_clauses.each do |match|
                    it "sends the request and the '#{match['lt']}' field is less than the expected value" do
                      expect(task_group.response).to match_lt_field(match['lt'], test)
                    end
                  end
                end
              end
            end
          end
        end
      end
    end
  end
end
