spec/regexp-examples_spec.rb in regexp-examples-0.5.4 vs spec/regexp-examples_spec.rb in regexp-examples-0.6.0

@@ -1,13 +1,19 @@
 RSpec.describe Regexp, "#examples" do
   def self.examples_exist_and_match(*regexps)
     regexps.each do |regexp|
       it do
-        regexp_examples = regexp.examples
-        expect(regexp_examples).not_to be_empty
+        begin
+          regexp_examples = regexp.examples(max_group_results: 999)
+        rescue
+          # TODO: Find a nicer way to display this?
+          puts "Error generating examples for /#{regexp.source}/"
+          raise $!
+        end
+        expect(regexp_examples).not_to be_empty, "No examples were generated for regexp: /#{regexp.source}/"
         regexp_examples.each { |example| expect(example).to match(/\A(?:#{regexp.source})\z/) }
-        # Note: /\A...\z/ is used, to prevent misleading examples from passing the test.
+        # Note: /\A...\z/ is used to prevent misleading examples from passing the test.
         # For example, we don't want things like:
         # /a*/.examples to include "xyz"
         # /a|b/.examples to include "bad"
       end
     end
@@ -30,11 +36,11 @@
   end
 
   def self.examples_are_empty(*regexps)
     regexps.each do |regexp|
       it do
-        expect(regexp.examples).to be_empty
+        expect(regexp.examples).to be_empty, "Unexpected examples for regexp: /#{regexp.source}/"
       end
     end
   end
 
   context 'returns matching strings' do
@@ -179,12 +185,11 @@
     context "for unsupported syntax" do
       examples_raise_unsupported_syntax_error(
         /\p{L}/,
         /\p{Arabic}/,
         /\p{^Ll}/,
-        /(?<name> ... \g<name>*)/,
-        /[[:space:]]/
+        /(?<name> ... \g<name>*)/
       )
     end
 
     context "for control characters" do
       examples_exist_and_match(
@@ -228,13 +233,33 @@
         /[^\d\D]{2}/,
         /[^\d\D]word/
       )
     end
 
-    context "comment group" do
+    context "for comment groups" do
       examples_exist_and_match(
         /a(?#comment)b/,
         /a(?#ugly backslashy\ comment\\\))b/
+      )
+    end
+
+    context "for POSIX groups" do
+      examples_exist_and_match(
+        /[[:alnum:]]/,
+        /[[:alpha:]]/,
+        /[[:blank:]]/,
+        /[[:cntrl:]]/,
+        /[[:digit:]]/,
+        /[[:graph:]]/,
+        /[[:lower:]]/,
+        /[[:print:]]/,
+        /[[:punct:]]/,
+        /[[:space:]]/,
+        /[[:upper:]]/,
+        /[[:xdigit:]]/,
+        /[[:word:]]/,
+        /[[:ascii:]]/,
+        /[[:^alnum:]]/ # Negated
       )
     end
 
     context "exact examples match" do
       # More rigorous tests to assert that ALL examples are being listed