Introduces static project config manager (#176)

Author: rashidsp

lib/optimizely/config_manager/project_config_manager.rb

@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+#
+#    Copyright 2019, Optimizely and contributors
+#
+#    Licensed 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.
+#
+module Optimizely
+  class ProjectConfigManager
+    # Interface for fetching ProjectConfig instance.
+
+    def config; end
+  end
+end

lib/optimizely/config_manager/static_project_config_manager.rb

@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+#
+#    Copyright 2019, Optimizely and contributors
+#
+#    Licensed 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_relative 'project_config_manager'
+module Optimizely
+  class StaticProjectConfigManager < ProjectConfigManager
+    # Implementation of ProjectConfigManager interface.
+    attr_reader :config
+
+    def initialize(config)
+      # config - Instance of ProjectConfig
+      @config = config
+    end
+  end
+end

spec/config_manager/static_project_config_manager_spec.rb

@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+#
+#    Copyright 2019, Optimizely and contributors
+#
+#    Licensed 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 'optimizely/config_manager/static_project_config_manager'
+describe Optimizely::StaticProjectConfigManager do
+  describe '#config' do
+    it 'should return project config instance' do
+      expect_project_config = Optimizely::ProjectConfig.new(OptimizelySpec::VALID_CONFIG_BODY_JSON, nil, nil)
+      project_config_manager = Optimizely::StaticProjectConfigManager.new(expect_project_config)
+      expect(project_config_manager.config).to eq(expect_project_config)
+    end
+  end
+end