Add specs for warning for old TLS versions

1 files changed, 68 insertions, 0 deletions

diff --git a/spec/bundler/vendored_persistent_spec.rb b/spec/bundler/vendored_persistent_spec.rb
new file mode 100644
index 0000000000..d4b1807e34
--- /dev/null
+++ b/spec/bundler/vendored_persistent_spec.rb
@@ -0,0 +1,68 @@
+# frozen_string_literal: true
+require "spec_helper"
+require "bundler/vendored_persistent"
+
+RSpec.describe Bundler::PersistentHTTP do
+  describe "#warn_old_tls_version_rubygems_connection" do
+    let(:uri) { "https://index.rubygems.org" }
+    let(:connection) { instance_double(subject.http_class) }
+    let(:tls_version) { "TLSv1.2" }
+    let(:socket) { double("Socket") }
+    let(:socket_io) { double("SocketIO") }
+
+    before do
+      allow(connection).to receive(:use_ssl?).and_return(!tls_version.nil?)
+      allow(socket).to receive(:io).and_return(socket_io)
+      connection.instance_variable_set(:@socket, socket)
+
+      if tls_version
+        allow(socket_io).to receive(:ssl_version).and_return(tls_version)
+      end
+    end
+
+    shared_examples_for "does not warn" do
+      it "does not warn" do
+        allow(Bundler.ui).to receive(:warn).never
+        subject.warn_old_tls_version_rubygems_connection(URI(uri), connection)
+      end
+    end
+
+    shared_examples_for "does warn" do |expected|
+      it "warns" do
+        expect(Bundler.ui).to receive(:warn).with(expected)
+        subject.warn_old_tls_version_rubygems_connection(URI(uri), connection)
+      end
+    end
+
+    context "an HTTPS uri with TLSv1.2" do
+      include_examples "does not warn"
+    end
+
+    context "without SSL" do
+      let(:tls_version) { nil }
+
+      include_examples "does not warn"
+    end
+
+    context "with a different TLD" do
+      let(:uri) { "https://foo.bar" }
+      include_examples "does not warn"
+
+      context "and an outdated TLS version" do
+        let(:tls_version) { "TLSv1" }
+        include_examples "does not warn"
+      end
+    end
+
+    context "with a nonsense TLS version" do
+      let(:tls_version) { "BlahBlah2.0Blah" }
+      include_examples "does not warn"
+    end
+
+    context "with an outdated TLS version" do
+      let(:tls_version) { "TLSv1" }
+      include_examples "does warn",
+        "Your Ruby version does not support TLSv1.1 or newer, which will be required to connect to https://index.rubygems.org by January 2018."
+    end
+  end
+end