Simplify CaseMatcher by using new matcher refactoring

src/spectator/matchers/case_matcher.cr

@@ -4,43 +4,20 @@ module Spectator::Matchers
   # Common matcher that tests whether two values semantically equal each other.
   # The values are compared with the === operator.
   struct CaseMatcher(ExpectedType) < ValueMatcher(ExpectedType)
-    # Determines whether the matcher is satisfied with the value given to it.
     private def match?(actual)
-      expected === actual
+      expected.value === actual.value
+    end
+    
+    def description
+      "matches #{expected.label}"
     end
 
-    # Determines whether the matcher is satisfied with the partial given to it.
-    def match(partial, negated = false)
-      values = ExpectedActual.new(partial, self)
-      MatchData.new(match?(values.actual), values)
+    def failure_message(actual)
+      "#{actual.label} did not match #{expected.label}"
     end
 
-    # Match data specific to this matcher.
-    private struct MatchData(ExpectedType, ActualType) < MatchData
-      # Creates the match data.
-      def initialize(matched, @values : ExpectedActual(ExpectedType, ActualType))
-        super(matched)
-      end
-
-      # Information about the match.
-      def named_tuple
-        {
-          expected: NegatableMatchDataValue.new(@values.expected),
-          actual:   @values.actual,
-        }
-      end
-
-      # Describes the condition that satisfies the matcher.
-      # This is informational and displayed to the end-user.
-      def message
-        "#{@values.actual_label} matches #{@values.expected_label}"
-      end
-
-      # Describes the condition that won't satsify the matcher.
-      # This is informational and displayed to the end-user.
-      def negated_message
-        "#{@values.actual_label} does not match #{@values.expected_label}"
-      end
+    def failure_message_when_negated(actual)
+      "#{actual.label} matched #{expected.label}"
     end
   end
 end