spec/rspec/expectations/fail_with_spec.rb in rspec-expectations-2.12.1 vs spec/rspec/expectations/fail_with_spec.rb in rspec-expectations-2.13.0

@@ -1,5 +1,6 @@
+# encoding: utf-8
 require 'spec_helper'
 
 describe RSpec::Expectations, "#fail_with with diff" do
   let(:differ) { double("differ") }
 
@@ -7,64 +8,88 @@
     RSpec::Expectations.stub(:differ) { differ }
   end
 
   it "calls differ if expected/actual are not strings (or numbers or procs)" do
     differ.should_receive(:diff_as_object).and_return("diff")
-    lambda {
+    expect {
       RSpec::Expectations.fail_with "the message", Object.new, Object.new
-    }.should fail_with("the message\nDiff:diff")
+    }.to fail_with("the message\nDiff:diff")
   end
 
   context "with two strings" do
     context "and actual is multiline" do
       it "calls differ" do
         differ.should_receive(:diff_as_string).and_return("diff")
-        lambda {
+        expect {
           RSpec::Expectations.fail_with "the message", "expected\nthis", "actual"
-        }.should fail_with("the message\nDiff:diff")
+        }.to fail_with("the message\nDiff:diff")
       end
     end
 
     context "and expected is multiline" do
       it "calls differ" do
         differ.should_receive(:diff_as_string).and_return("diff")
-        lambda {
+        expect {
           RSpec::Expectations.fail_with "the message", "expected", "actual\nthat"
-        }.should fail_with("the message\nDiff:diff")
+        }.to fail_with("the message\nDiff:diff")
       end
     end
 
     context "and both are single line strings" do
       it "does not call differ" do
         differ.should_not_receive(:diff_as_string)
-        lambda {
+        expect {
           RSpec::Expectations.fail_with("the message", "expected", "actual")
-        }.should fail_with("the message")
+        }.to fail_with("the message")
       end
     end
+
+    context "and they are UTF-16LE encoded", :if => String.method_defined?(:encode) do
+      it 'does not diff when they are not multiline' do
+        differ.should_not_receive(:diff_as_string)
+
+        str_1 = "This is a pile of poo: 💩".encode("UTF-16LE")
+        str_2 = "This is a pile of poo: 💩".encode("UTF-16LE")
+
+        expect {
+          RSpec::Expectations.fail_with("the message", str_1, str_2)
+        }.to fail_with("the message")
+      end
+
+      it 'diffs when they are multiline' do
+        differ.should_receive(:diff_as_string).and_return("diff")
+
+        str_1 = "This is a pile of poo:\n💩".encode("UTF-16LE")
+        str_2 = "This is a pile of poo:\n💩".encode("UTF-16LE")
+
+        expect {
+          RSpec::Expectations.fail_with("the message", str_1, str_2)
+        }.to fail_with("the message\nDiff:diff")
+      end
+    end
   end
 
   it "does not call differ if no expected/actual" do
-    lambda {
+    expect {
       RSpec::Expectations.fail_with "the message"
-    }.should fail_with("the message")
+    }.to fail_with("the message")
   end
 
   it "does not call differ expected is Numeric" do
-    lambda {
+    expect {
       RSpec::Expectations.fail_with "the message", 1, "1"
-    }.should fail_with("the message")
+    }.to fail_with("the message")
   end
 
   it "does not call differ when actual is Numeric" do
-    lambda {
+    expect {
       RSpec::Expectations.fail_with "the message", "1", 1
-    }.should fail_with("the message")
+    }.to fail_with("the message")
   end
 
   it "does not call differ if expected or actual are procs" do
-    lambda {
+    expect {
       RSpec::Expectations.fail_with "the message", lambda {}, lambda {}
-    }.should fail_with("the message")
+    }.to fail_with("the message")
   end
 end