Add a failing test demonstrating #65

spec/fixtures/ldiff/output.diff.chef2-u

@@ -0,0 +1,16 @@
+--- spec/fixtures/old-chef2	2020-06-30 09:43:35.000000000 -0400
++++ spec/fixtures/new-chef2	2020-06-30 09:44:32.000000000 -0400
+@@ -1,5 +1,4 @@
+ recipe[a::default]
+-recipe[b::default]
+ recipe[c::default]
+ recipe[d::default]
+ recipe[e::default]
+@@ -12,3 +11,7 @@
+ recipe[l::default]
+ recipe[m::default]
+ recipe[n::default]
++recipe[o::new]
++recipe[p::new]
++recipe[q::new]
++recipe[r::new]

spec/fixtures/new-chef2

@@ -0,0 +1,17 @@
+recipe[a::default]
+recipe[c::default]
+recipe[d::default]
+recipe[e::default]
+recipe[f::default]
+recipe[g::default]
+recipe[h::default]
+recipe[i::default]
+recipe[j::default]
+recipe[k::default]
+recipe[l::default]
+recipe[m::default]
+recipe[n::default]
+recipe[o::new]
+recipe[p::new]
+recipe[q::new]
+recipe[r::new]

spec/fixtures/old-chef2

@@ -0,0 +1,14 @@
+recipe[a::default]
+recipe[b::default]
+recipe[c::default]
+recipe[d::default]
+recipe[e::default]
+recipe[f::default]
+recipe[g::default]
+recipe[h::default]
+recipe[i::default]
+recipe[j::default]
+recipe[k::default]
+recipe[l::default]
+recipe[m::default]
+recipe[n::default]

spec/ldiff_spec.rb

@@ -11,10 +11,7 @@
   let(:output_diff_f) { read_fixture('-f') }
   let(:output_diff_u) { read_fixture('-u') }
   let(:output_diff_chef) { read_fixture('-u', :base => 'output.diff.chef') }
-
-  specify do
-    expect(run_ldiff('-u', :left => 'old-chef', :right => 'new-chef')).to eq(output_diff_chef)
-  end
+  let(:output_diff_chef2) { read_fixture('-u', :base => 'output.diff.chef2') }
 
   specify do
     expect(run_ldiff).to eq(output_diff)
@@ -36,6 +33,14 @@
     expect(run_ldiff('-u')).to eq(output_diff_u)
   end
 
+  specify do
+    expect(run_ldiff('-u', :left => 'old-chef', :right => 'new-chef')).to eq(output_diff_chef)
+  end
+
+  specify do
+    expect(run_ldiff('-u', :left => 'old-chef2', :right => 'new-chef2')).to eq(output_diff_chef2)
+  end
+
   def read_fixture(flag = nil, options = {})
     base = options.fetch(:base, 'output.diff')
     name = "spec/fixtures/ldiff/#{base}#{flag}"