1 files changed, 18 insertions, 2 deletions
diff --git a/test/rubygems/test_gem_remote_fetcher.rb b/test/rubygems/test_gem_remote_fetcher.rb
index 5029a6a6fd..a725fe205c 100644
--- a/test/rubygems/test_gem_remote_fetcher.rb
+++ b/test/rubygems/test_gem_remote_fetcher.rb
@@ -835,11 +835,27 @@ PeIQQkFng2VVot/WAQbv3ePqWq07g1BBcwIBAg==
 
   def test_do_not_follow_insecure_redirect
     ssl_server = self.class.start_ssl_server
-    temp_ca_cert = File.join(DIR, 'ca_cert.pem'),
+    temp_ca_cert = File.join(DIR, 'ca_cert.pem')
+    expected_error_message =
+      "redirecting to non-https resource: #{@server_uri} (https://localhost:#{ssl_server.config[:Port]}/insecure_redirect?to=#{@server_uri})"
+
     with_configured_fetcher(":ssl_ca_cert: #{temp_ca_cert}") do |fetcher|
-      assert_raises Gem::RemoteFetcher::FetchError do
+      err = assert_raises Gem::RemoteFetcher::FetchError do
         fetcher.fetch_path("https://localhost:#{ssl_server.config[:Port]}/insecure_redirect?to=#{@server_uri}")
       end
+
+      assert_equal(err.message, expected_error_message)
+    end
+  end
+
+  def test_nil_ca_cert
+    ssl_server = self.class.start_ssl_server
+    temp_ca_cert = nil
+
+    with_configured_fetcher(":ssl_ca_cert: #{temp_ca_cert}") do |fetcher|
+      assert_raises Gem::RemoteFetcher::FetchError do
+        fetcher.fetch_path("https://localhost:#{ssl_server.config[:Port]}")
+      end
     end
   end