Merge pull request #58 from dry-rb/support-injection-of-false

Support explicit injection of falsey values

Author: timriley

lib/dry/auto_inject/strategies/kwargs.rb

@@ -16,7 +16,7 @@ def define_new
 
             define_method :new do |*args, **kwargs|
               map.each do |name, identifier|
-                kwargs[name] ||= container[identifier]
+                kwargs[name] = container[identifier] unless kwargs.key?(name)
               end
 
               super(*args, **kwargs)

spec/integration/kwargs_spec.rb

@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+RSpec.describe "kwargs" do
+  it "supports explicit injection of falsey values" do
+    module Test
+      AutoInject = Dry::AutoInject(one: "dep 1")
+    end
+
+    obj = Class.new do
+      include Test::AutoInject[:one]
+    end
+
+    expect(obj.new.one).to eq "dep 1"
+    expect(obj.new(one: false).one).to be false
+    expect(obj.new(one: nil).one).to be nil
+  end
+end