config.rb in anyway_config-1.1.3

- old
+ new

@@ -42,37 +42,53 @@
       # Example:
       #
       #   my_config = Anyway::Config.for(:my_app)
       #   # will load data from config/my_app.yml, secrets.my_app, ENV["MY_APP_*"]
       def for(name)
-        new(name, false).load_from_sources
+        new(name: name, load: false).load_from_sources
       end
     end
 
     attr_reader :config_name
 
-    def initialize(config_name = nil, do_load = true)
-      @config_name = config_name || self.class.config_name
+    # Instantiate config with specified name, loads the data and applies overrides
+    #
+    # Example:
+    #
+    #   my_config = Anyway::Config.new(name: :my_app, load: true, overrides: { some: :value })
+    #
+    # rubocop:disable Metrics/LineLength,Metrics/CyclomaticComplexity,Metrics/PerceivedComplexity
+    def initialize(config_name = nil, do_load = nil, name: nil, load: true, overrides: {})
+      unless config_name.nil? && do_load.nil?
+        warn "[Deprecated] Positional arguments for Anyway::Config#initialize will be removed in 1.2.0. Use keyword arguments instead: initialize(name:, load:, overrides:)"
+      end
+      name = config_name unless config_name.nil?
+      load = do_load unless do_load.nil?
+
+      @config_name = name || self.class.config_name
       raise ArgumentError, "Config name is missing" unless @config_name
-      load if do_load
+      self.load(overrides) if load
     end
+    # rubocop:enable Metrics/LineLength,Metrics/CyclomaticComplexity,Metrics/PerceivedComplexity
 
-    def reload
+    def reload(overrides = {})
       clear
-      load
+      load(overrides)
       self
     end
 
     def clear
       self.class.config_attributes.each do |attr|
         send("#{attr}=", nil)
       end
       self
     end
 
-    def load
+    def load(overrides = {})
       config = load_from_sources((self.class.defaults || {}).deep_dup)
+
+      config.merge!(overrides) unless overrides.nil?
       config.each do |key, val|
         set_value(key, val)
       end
     end
 
@@ -84,12 +100,10 @@
     end
 
     def load_from_file(config)
       config_path = Anyway.env.fetch(config_name).delete('conf') ||
                     "./config/#{config_name}.yml"
-      if config_path && File.file?(config_path)
-        config.deep_merge!(parse_yml(config_path) || {})
-      end
+      config.deep_merge!(parse_yml(config_path) || {}) if config_path && File.file?(config_path)
       config
     end
 
     def load_from_env(config)
       config.deep_merge!(Anyway.env.fetch(config_name))