[rubygems/rubygems] Diagnose when OpenSSL can't be loaded.

https://github.com/rubygems/rubygems/commit/e6aa8aabcd

lib/bundler/cli/doctor/ssl.rb

@@ -9,6 +9,9 @@ module Bundler
     end
 
     def run
+      return unless openssl_installed?
+
+      output_ssl_environment
     end
 
     private
@@ -28,5 +31,29 @@ module Bundler
 
       @verify_mode ||= mode.then {|mod| OpenSSL::SSL.const_get("verify_#{mod}".upcase) }
     end
+
+    def openssl_installed?
+      require "openssl"
+
+      true
+    rescue LoadError
+      Bundler.ui.warn(<<~MSG)
+        Oh no! Your Ruby doesn't have OpenSSL, so it can't connect to #{host}.
+        You'll need to recompile or reinstall Ruby with OpenSSL support and try again.
+      MSG
+
+      false
+    end
+
+    def output_ssl_environment
+      Bundler.ui.info(<<~MESSAGE)
+        Here's your OpenSSL environment:
+
+        OpenSSL:       #{OpenSSL::VERSION}
+        Compiled with: #{OpenSSL::OPENSSL_VERSION}
+        Loaded with:   #{OpenSSL::OPENSSL_LIBRARY_VERSION}
+      MESSAGE
+    end
+
   end
 end

libexec/ssl_check.rb

@@ -4,14 +4,6 @@
 require 'uri'
 require 'net/http'
 
-begin
-  require 'openssl'
-rescue LoadError
-  puts "Oh no! Your Ruby doesn't have OpenSSL, so it can't connect to #{host}.",
-       "You'll need to recompile or reinstall Ruby with OpenSSL support and try again."
-  exit 1
-end
-
 begin
   # Some versions of Ruby need this require to do HTTPS
   require 'net/https'
@@ -39,10 +31,6 @@ puts
 puts "Ruby:          %s" % ruby_version
 puts "RubyGems:      %s" % Gem::VERSION if defined?(Gem::VERSION)
 puts "Bundler:       %s" % Bundler::VERSION if defined?(Bundler::VERSION)
-puts "OpenSSL:       %s" % OpenSSL::VERSION if defined?(OpenSSL::VERSION)
-puts "Compiled with: %s" % OpenSSL::OPENSSL_VERSION
-puts "Loaded with:   %s" % OpenSSL::OPENSSL_LIBRARY_VERSION if defined?(OpenSSL::OPENSSL_LIBRARY_VERSION)
-puts
 
 def show_ssl_certs
   puts "", "Below affect only Ruby net/http connections:"

spec/bundler/commands/ssl_spec.rb

@@ -5,4 +5,42 @@ require "bundler/cli/doctor"
 require "bundler/cli/doctor/ssl"
 
 RSpec.describe "bundle doctor ssl" do
+  before(:each) do
+    @previous_level = Bundler.ui.level
+    Bundler.ui.instance_variable_get(:@warning_history).clear
+    Bundler.ui.level = "info"
+  end
+
+  after(:each) do
+    Bundler.ui.level = @previous_level
+  end
+
+  context "when a diagnostic fails" do
+    it "prints the diagnostic when openssl can't be loaded" do
+      subject = Bundler::CLI::Doctor::SSL.new({})
+      allow(subject).to receive(:require).with("openssl").and_raise(LoadError)
+
+      expected_err = <<~MSG
+        Oh no! Your Ruby doesn't have OpenSSL, so it can't connect to rubygems.org.
+        You'll need to recompile or reinstall Ruby with OpenSSL support and try again.
+      MSG
+
+      expect { subject.run }.to output("").to_stdout.and output(expected_err).to_stderr
+    end
+  end
+
+  context "when no diagnostic fails" do
+    it "prints the SSL environment" do
+      expected_out = <<~MSG
+        Here's your OpenSSL environment:
+
+        OpenSSL:       #{OpenSSL::VERSION}
+        Compiled with: #{OpenSSL::OPENSSL_VERSION}
+        Loaded with:   #{OpenSSL::OPENSSL_LIBRARY_VERSION}
+      MSG
+
+      subject = Bundler::CLI::Doctor::SSL.new({})
+      expect { subject.run }.to output(expected_out).to_stdout.and output("").to_stderr
+    end
+  end
 end