Merge pull request #736 from chef/ap/matchers4me

Fix contain_match, add none_match

docs/matchers.rst

@@ -10,6 +10,7 @@ Inspec uses matchers to help compare resource values to expectations. The follow
 * `eq`
 * `include`
 * `match`
+* Array matchers: `contain_match`, `all_match`, `none_match`, `contain_duplicates`
 
 
 be
@@ -135,3 +136,66 @@ Check if a string matches a regular expression.
   describe sshd_config do
     its('Ciphers') { should_not match /cbc/ }
   end
+
+
+Array Matchers
+=====================================================
+
+The following matchers are designed to work with arrays:
+
+
+contain_match
+-----------------------------------------------------
+
+Check if an array contains at least one item that matches the regex:
+
+.. code-block:: ruby
+
+  describe ['lemon', 'ginger', 'grapes'] do
+    it { should contain_match /^gin/}
+  end
+  describe port(25) do
+    its('addresses') it { should_not contain_match /0\.0\.0\.0/}
+  end
+
+
+all_match
+-----------------------------------------------------
+
+Check if all items of an array match the regex:
+
+.. code-block:: ruby
+
+  describe ['grapefruit', 'grapes'] do
+    it { should all_match /^grape.+/}
+  end
+
+
+none_match
+-----------------------------------------------------
+
+Check if all items of an array match the regex:
+
+.. code-block:: ruby
+
+  describe ['ginger', 'grapefruit'] do
+    it { should none_match /^sugar$/}
+  end
+  describe port(25) do
+    its('addresses') it { should none_match /^0\.0\.0\.0$/ }
+  end
+
+
+contain_duplicates
+-----------------------------------------------------
+
+Check if an array contains duplicate items:
+
+.. code-block:: ruby
+
+  describe [80, 443, 80] do
+    it { should contain_duplicates }
+  end
+  describe ['ginger', 'grapefruit'] do
+    it { should_not contain_duplicates }
+  end

lib/matchers/matchers.rb

@@ -74,26 +74,30 @@ RSpec::Matchers.define :contain_legacy_plus do
   end
 end
 
-# matcher to check that all entries match the regex
+# verifies that all entries match the regex
 RSpec::Matchers.define :all_match do |regex|
   match do |arr|
-    arr.all? { |element| element.match(regex) }
+    Array(arr).all? { |element| element.to_s.match(regex) }
+  end
+end
+
+# verifies that all entries don't match a regex
+RSpec::Matchers.define :none_match do |regex|
+  match do |arr|
+    Array(arr).all? { |element| !element.to_s.match(regex) }
   end
 end
 
 # verifies that no entry in an array contains a value
 RSpec::Matchers.define :contain_match do |regex|
   match do |arr|
-    arr.inject { |result, i|
-      result = i.match(regex)
-      result || i.match(/$/)
-    }
+    Array(arr).one? { |element| element.to_s.match(regex) }
   end
 end
 
 RSpec::Matchers.define :contain_duplicates do
   match do |arr|
-    dup = arr.select { |element| arr.count(element) > 1 }
+    dup = Array(arr).select { |element| arr.count(element) > 1 }
     !dup.uniq.empty?
   end
 end

test/integration/default/matcher.rb

@@ -1,9 +1,51 @@
 # encoding: utf-8
 
+# 'all_match' matcher tests
 describe ['ananas', 'apples', 'oranges', 'air', 'alot'] do
-  it { should all_match  /[a]./}
+  it { should all_match /[a]./}
+end
+describe ['ananas', 'apples', 'oranges', 'melons', 'air'] do
+  it { should_not all_match /[a]./}
+end
+describe [true, true, true] do
+  it { should all_match /^true$/}
 end
 
-describe ['ananas', 'apples', 'oranges', 'air', 'melons'] do
-  it { should_not all_match  /[a]./}
+
+# 'none_match' matcher tests
+describe ['kiwi', 'avocado', 'grapefruit'] do
+  it { should none_match /xyz/}
+end
+describe ['kiwi', 'avocado', 'grapefruit'] do
+  it { should_not none_match /^avo/}
+end
+describe 999 do
+  it { should none_match /^666/}
+end
+
+
+# 'contain_match' matcher tests
+describe ['lemon', 'ginger', 'grapes'] do
+  it { should contain_match /^gin/}
+end
+describe ['lemon', 'ginger', 'gra(pes'] do
+  it { should contain_match 'gra\(pe' }
+end
+describe ['lemon', 'ginger', 'grapes'] do
+  it { should_not contain_match /^chocolate/}
+end
+describe 'kiwi' do
+  it { should contain_match /^kiw/}
+end
+
+
+# 'contain_duplicates' matcher tests
+describe ['onion', 'carrot', 'onion'] do
+  it { should contain_duplicates }
+end
+describe ['onion', 'carrot', 'brocoli'] do
+  it { should_not contain_duplicates }
+end
+describe [80, 443] do
+  it { should_not contain_duplicates }
 end