Make Hanami::View::Rendered more specs friendly (#238)

* Make `Hanami::View::Rendered` more specs friendly

* CHANGELOG

CHANGELOG.md

@@ -2,6 +2,11 @@
 
 View layer for Hanami
 
+## v2.1.0.beta2 (unreleased)
+
+### Added
+- [Luca Guidi] Add `Hanami::View::Rendered#match?`, `#match`, and `#include?` to make it more specs friendly
+
 ## v2.1.0.beta1 - 2023-06-29
 
 ### Added

lib/hanami/view/rendered.rb

@@ -50,6 +50,31 @@ def to_s
         output
       end
       alias_method :to_str, :to_s
+
+      # Matches given input with the rendered view
+      #
+      # @param matcher [String, Regexp] matcher
+      #
+      # @return [TrueClass,FalseClass]
+      #
+      # @api public
+      # @since 2.1.0
+      def match?(matcher)
+        output.match?(matcher)
+      end
+      alias_method :match, :match?
+
+      # Checks if given string is included in the rendered view
+      #
+      # @param string [String] string
+      #
+      # @return [TrueClass,FalseClass]
+      #
+      # @api public
+      # @since 2.1.0
+      def include?(string)
+        output.include?(string)
+      end
     end
   end
 end

spec/unit/rendered_spec.rb

@@ -22,6 +22,23 @@
     end
   end
 
+  describe "#match?" do
+    it "matches rendered output" do
+      expect(rendered).to match("rendered template output")
+    end
+
+    it "is aliased as #match" do
+      expect(rendered.match?("rendered template output")).to be(true)
+      expect(rendered.match("rendered template output")).to be(true)
+    end
+  end
+
+  describe "#include?" do
+    it "matches rendered output" do
+      expect(rendered).to include("rendered template output")
+    end
+  end
+
   describe "#locals" do
     it "returns the locals hash" do
       expect(rendered.locals).to eql(user: {name: "Jane"})