spec/extensions/string_spec.rb in ronin-0.1.0 vs spec/extensions/string_spec.rb in ronin-0.1.1

@@ -1,13 +1,97 @@
 require 'ronin/extensions/string'
 
 require 'spec_helper'
 
 describe String do
-  it "should be able to convert proper names to method names" do
-    "Proper Name".to_method_name.should == 'proper_name'
+  describe "to_method_name" do
+    it "should be able to convert proper names to method names" do
+      "Proper Name".to_method_name.should == 'proper_name'
+    end
+
+    it "should be able to convert Class names to method names" do
+      "Namespace::Test".to_method_name.should == 'namespace_test'
+    end
   end
 
-  it "should be able to convert Class names to method names" do
-    "Namespace::Test".to_method_name.should == 'namespace_test'
+  describe "common_prefix" do
+    it "should find the common prefix between two Strings" do
+      one = 'What is puzzling you is the nature of my game'
+      two = 'What is puzzling you is the nature of my name'
+      common = 'What is puzzling you is the nature of my '
+
+      one.common_prefix(two).should == common
+    end
+
+    it "should return the common prefix between two Strings with no uncommon postfix" do
+      one = "1234"
+      two = "12345"
+      common = "1234"
+
+      one.common_prefix(two).should == common
+    end
+
+    it "should return an empty String if there is no common prefix" do
+      one = 'Tell me people'
+      two = 'Whats my name'
+
+      one.common_prefix(two).should == ''
+    end
+
+    it "should return an empty String if one of the strings is also empty" do
+      one = 'Haha'
+      two = ''
+
+      one.common_prefix(two).should == ''
+    end
+  end
+
+  describe "common_postfix" do
+    it "should find the common postfix between two Strings" do
+      one = 'Tell me baby whats my name'
+      two = "Can't you guess my name"
+      common = 's my name'
+
+      one.common_postfix(two).should == common
+    end
+
+    it "should return an empty String if there is no common postfix" do
+      one = 'You got to right up, stand up'
+      two = 'stand up for your rights'
+
+      one.common_postfix(two).should == ''
+    end
+
+    it "should return an empty String if one of the strings is also empty" do
+      one = 'You and I must fight for our rights'
+      two = ''
+
+      one.common_postfix(two).should == ''
+    end
+  end
+
+  describe "uncommon_substring" do
+    it "should find the uncommon substring between two Strings" do
+      one = "Tell me baby whats my name"
+      two = "Tell me honey whats my name"
+      uncommon = 'bab'
+
+      one.uncommon_substring(two).should == uncommon
+    end
+
+    it "should find the uncommon substring between two Strings with a common prefix" do
+      one = 'You and I must fight for our rights'
+      two = 'You and I must fight to survive'
+      uncommon = 'for our rights'
+
+      one.uncommon_substring(two).should == uncommon
+    end
+
+    it "should find the uncommon substring between two Strings with a common postfix" do
+      one = 'Tell me baby whats my name'
+      two = "Can't you guess my name"
+      uncommon = 'Tell me baby what'
+
+      one.uncommon_substring(two).should == uncommon
+    end
   end
 end