Add test cases for min response limit validation

test/verify_test.rb

@@ -199,7 +199,7 @@ def initialize
       assert_equal "reCAPTCHA verification failed, please try again.", @controller.flash[:recaptcha_error]
     end
 
-    it "does not verify via http call when response length exceeds G_RESPONSE_LIMIT" do
+    it "does not verify via http call when response length exceeds G_RESPONSE_MAX_LIMIT" do
       # this returns a 400 or 413 instead of a 200 response with error code
       # typical response length is less than 400 characters
       str = "a" * 4001
@@ -209,6 +209,16 @@ def initialize
       assert_equal "reCAPTCHA verification failed, please try again.", @controller.flash[:recaptcha_error]
     end
 
+    it "does not verify via http call when response length below G_RESPONSE_MIN_LIMIT" do
+      # this returns a 400 or 413 instead of a 200 response with error code
+      # typical response length is less than 100 characters
+      str = "a" * 99
+      @controller.params = { 'g-recaptcha-response' => "#{str}"}
+      assert_not_requested :get, %r{\.google\.com}
+      assert_equal false, @controller.verify_recaptcha
+      assert_equal "reCAPTCHA verification failed, please try again.", @controller.flash[:recaptcha_error]
+    end
+
     describe ':hostname' do
       let(:hostname) { 'fake.hostname.com' }