Rename Differ/Differs::* to EqualityMatcher/EqualityMatchers::*

We want to split off the concept of "a thing that produces a diff" from
"the thing that I run and will spit out whether or not two objects are
equal".

Author: mcmire

lib/super_diff.rb

@@ -1 +1 @@
-require_relative "super_diff/differ"
+require_relative "super_diff/equality_matcher"

lib/super_diff/differ.rb renamed to lib/super_diff/equality_matcher.rb

@@ -1,8 +1,8 @@
-require_relative "differs/detector"
-require_relative "differs/object"
+require_relative "equality_matchers/detector"
+require_relative "equality_matchers/object"
 
 module SuperDiff
-  class Differ
+  class EqualityMatcher
     def self.call(expected:, actual:)
       new(expected: expected, actual: actual).call
     end
@@ -14,9 +14,9 @@ def initialize(expected:, actual:)
 
     def call
       if expected.is_a?(actual.class)
-        Differs::Detector.call(expected.class).call(expected, actual)
+        EqualityMatchers::Detector.call(expected.class).call(expected, actual)
       else
-        Differs::Object.call(expected, actual)
+        EqualityMatchers::Object.call(expected, actual)
       end
     end
 

lib/super_diff/differs/array.rb renamed to lib/super_diff/equality_matchers/array.rb

@@ -3,7 +3,7 @@
 require_relative "collection"
 
 module SuperDiff
-  module Differs
+  module EqualityMatchers
     class Array < Collection
       def initialize(expected, actual)
         super(expected, actual)

lib/super_diff/differs/base.rb renamed to lib/super_diff/equality_matchers/base.rb

@@ -1,7 +1,7 @@
 require_relative "../csi"
 
 module SuperDiff
-  module Differs
+  module EqualityMatchers
     class Base
       ICONS = { deleted: "-", inserted: "+" }
       STYLES = { inserted: :inserted, deleted: :deleted, equal: :normal }

lib/super_diff/differs/collection.rb renamed to lib/super_diff/equality_matchers/collection.rb

@@ -1,7 +1,7 @@
 require_relative "base"
 
 module SuperDiff
-  module Differs
+  module EqualityMatchers
     class Collection < Base
       protected
 

lib/super_diff/differs/detector.rb renamed to lib/super_diff/equality_matchers/detector.rb

@@ -4,13 +4,13 @@
 require_relative "object"
 
 module SuperDiff
-  module Differs
+  module EqualityMatchers
     module Detector
       def self.call(klass)
-        if Differs.const_defined?(klass.name, false)
-          Differs.const_get(klass.name)
+        if EqualityMatchers.const_defined?(klass.name, false)
+          EqualityMatchers.const_get(klass.name)
         else
-          Differs::Object
+          EqualityMatchers::Object
         end
       end
     end

lib/super_diff/differs/hash.rb renamed to lib/super_diff/equality_matchers/hash.rb

@@ -1,7 +1,7 @@
 require_relative "collection"
 
 module SuperDiff
-  module Differs
+  module EqualityMatchers
     class Hash < Collection
       def fail
         <<~OUTPUT.strip

lib/super_diff/differs/multi_line_string.rb renamed to lib/super_diff/equality_matchers/multi_line_string.rb

@@ -3,7 +3,7 @@
 require_relative "base"
 
 module SuperDiff
-  module Differs
+  module EqualityMatchers
     class MultiLineString < Base
       def initialize(expected, actual)
         @expected = split_into_lines(expected)

lib/super_diff/differs/object.rb renamed to lib/super_diff/equality_matchers/object.rb

@@ -1,7 +1,7 @@
 require_relative "base"
 
 module SuperDiff
-  module Differs
+  module EqualityMatchers
     class Object < Base
       def fail
         <<~OUTPUT.strip

lib/super_diff/differs/single_line_string.rb renamed to lib/super_diff/equality_matchers/single_line_string.rb

@@ -1,7 +1,7 @@
 require_relative "base"
 
 module SuperDiff
-  module Differs
+  module EqualityMatchers
     class SingleLineString < Base
       def fail
         <<~OUTPUT.strip

lib/super_diff/differs/string.rb renamed to lib/super_diff/equality_matchers/string.rb

@@ -2,7 +2,7 @@
 require_relative "single_line_string"
 
 module SuperDiff
-  module Differs
+  module EqualityMatchers
     module String
       def self.call(expected, actual)
         if expected.include?("\n") || actual.include?("\n")

spec/unit/differ_spec.rb renamed to spec/unit/equality_matcher_spec.rb

@@ -1,6 +1,6 @@
 require "spec_helper"
 
-RSpec.describe SuperDiff::Differ do
+RSpec.describe SuperDiff::EqualityMatcher do
   describe "#call" do
     context "given the same integers" do
       it "returns an empty string" do