Merge pull request #8 from Fingertips/features/no-warnings

Add an #eq matcher that works like ==
Fingertips · Feb 13, 2017 · bb710bc · bb710bc
2 parents 973acd0 + 22d714f
commit bb710bc
Show file tree

Hide file tree

Showing 2 changed files with 26 additions and 0 deletions.
diff --git a/lib/peck/expectations.rb b/lib/peck/expectations.rb
@@ -132,6 +132,20 @@ def raise(exception_class=nil)
       end
     end
 
+    # Matches if the object equals another object using == internally. We use
+    # this method so you can write specs without triggering Ruby syntax
+    # warnings, but still test == equality.
+    def eq(other)
+      if @negated
+        description = "expected `#{@this}' to not == `#{other}'"
+      else
+        description = "expected `#{@this}' to == `#{other}'"
+      end
+      satisfy(description) do
+        @this == other
+      end
+    end
+
     PREDICATE_METHOD_RE = /\w[^?]\z/
     def method_missing(name, *args, &block)
       name = "#{name}?" if name.to_s =~ PREDICATE_METHOD_RE

diff --git a/spec/expectations_spec.rb b/spec/expectations_spec.rb
@@ -65,4 +65,16 @@ def initialize
     @should.not.object_id.should.eql(@should.object_id)
     @should.instance_variable_get('@negated').should.eql(true)
   end
+
+  it "equality is successful when objects are equal" do
+    lambda do
+      @should.eq(@subject)
+    end.should.not.raise
+  end
+
+  it "equality fails when objects are not equal" do
+    lambda do
+      @should.eq(12)
+    end.should.raise(Peck::Error)
+  end
 end