[rubygems/rubygems] Adapt specs to extraction of irb from ruby-core

This gets our daily Bundler CI back to green.

https://github.com/rubygems/rubygems/commit/1bb70f75d2

4 files changed, 61 insertions, 8 deletions

diff --git a/spec/bundler/commands/console_spec.rb b/spec/bundler/commands/console_spec.rb
index dd7461ced4..dbfbec874f 100644
--- a/spec/bundler/commands/console_spec.rb
+++ b/spec/bundler/commands/console_spec.rb
@@ -35,6 +35,8 @@ RSpec.describe "bundle console", readline: true do
           end
         RUBY
       end
+
+      build_dummy_irb
     end
   end
 
@@ -46,7 +48,8 @@ RSpec.describe "bundle console", readline: true do
       end
 
       install_gemfile <<-G
-        source "https://gem.repo1"
+        source "https://gem.repo2"
+        gem "irb"
         path "#{lib_path}" do
           gem "loadfuuu", require: true
         end
@@ -66,6 +69,7 @@ RSpec.describe "bundle console", readline: true do
     before do
       install_gemfile <<-G
         source "https://gem.repo2"
+        gem "irb"
         gem "myrack"
         gem "activesupport", :group => :test
         gem "myrack_middleware", :group => :development
@@ -81,16 +85,19 @@ RSpec.describe "bundle console", readline: true do
     end
 
     it "uses IRB as default console" do
+      skip "Does not work in a ruby-core context if irb is in the default $LOAD_PATH because it enables the real IRB, not our dummy one" if ruby_core? && Gem.ruby_version < Gem::Version.new("3.5.0.a")
+
       bundle "console" do |input, _, _|
-        input.puts("__FILE__")
+        input.puts("__method__")
         input.puts("exit")
       end
-      expect(out).to include("(irb)")
+      expect(out).to include("__irb__")
     end
 
     it "starts another REPL if configured as such" do
       install_gemfile <<-G
         source "https://gem.repo2"
+        gem "irb"
         gem "pry"
       G
       bundle "config set console pry"
@@ -103,14 +110,16 @@ RSpec.describe "bundle console", readline: true do
     end
 
     it "falls back to IRB if the other REPL isn't available" do
+      skip "Does not work in a ruby-core context if irb is in the default $LOAD_PATH because it enables the real IRB, not our dummy one" if ruby_core? && Gem.ruby_version < Gem::Version.new("3.5.0.a")
+
       bundle "config set console pry"
       # make sure pry isn't there
 
       bundle "console" do |input, _, _|
-        input.puts("__FILE__")
+        input.puts("__method__")
         input.puts("exit")
       end
-      expect(out).to include("(irb)")
+      expect(out).to include("__irb__")
     end
 
     it "does not try IRB twice if no console is configured and IRB is not available" do
@@ -161,6 +170,7 @@ RSpec.describe "bundle console", readline: true do
     it "performs an automatic bundle install" do
       gemfile <<-G
         source "https://gem.repo2"
+        gem "irb"
         gem "myrack"
         gem "activesupport", :group => :test
         gem "myrack_middleware", :group => :development
diff --git a/spec/bundler/commands/newgem_spec.rb b/spec/bundler/commands/newgem_spec.rb
index 2389eda521..a7fe31143d 100644
--- a/spec/bundler/commands/newgem_spec.rb
+++ b/spec/bundler/commands/newgem_spec.rb
@@ -478,9 +478,12 @@ RSpec.describe "bundle gem" do
 
     prepare_gemspec(bundled_app("newgem", "newgem.gemspec"))
 
-    gems = ["rake-#{rake_version}"]
+    build_repo2 do
+      build_dummy_irb "9.9.9"
+    end
+    gems = ["rake-#{rake_version}", "irb-9.9.9"]
     path = Bundler.feature_flag.default_install_uses_path? ? local_gem_path(base: bundled_app("newgem")) : system_gem_path
-    system_gems gems, path: path
+    system_gems gems, path: path, gem_repo: gem_repo2
     bundle "exec rake build", dir: bundled_app("newgem")
 
     expect(last_command.stdboth).not_to include("ERROR")
diff --git a/spec/bundler/commands/platform_spec.rb b/spec/bundler/commands/platform_spec.rb
index d5fb0aa499..17183e7546 100644
--- a/spec/bundler/commands/platform_spec.rb
+++ b/spec/bundler/commands/platform_spec.rb
@@ -941,8 +941,13 @@ G
 
   context "bundle console" do
     before do
+      build_repo2 do
+        build_dummy_irb
+      end
+
       install_gemfile <<-G
-        source "https://gem.repo1"
+        source "https://gem.repo2"
+        gem "irb"
         gem "myrack"
         gem "activesupport", :group => :test
         gem "myrack_middleware", :group => :development
diff --git a/spec/bundler/support/builders.rb b/spec/bundler/support/builders.rb
index ca2b7b7067..9fe802716f 100644
--- a/spec/bundler/support/builders.rb
+++ b/spec/bundler/support/builders.rb
@@ -228,6 +228,41 @@ module Spec
       end
     end
 
+    # A minimal fake irb console
+    def build_dummy_irb(version = "9.9.9")
+      build_gem "irb", version do |s|
+        s.write "lib/irb.rb", <<-RUBY
+          class IRB
+            class << self
+              def toplevel_binding
+                unless defined?(@toplevel_binding) && @toplevel_binding
+                  TOPLEVEL_BINDING.eval %{
+                    def self.__irb__; binding; end
+                    IRB.instance_variable_set(:@toplevel_binding, __irb__)
+                    class << self; undef __irb__; end
+                  }
+                end
+                @toplevel_binding.eval('private')
+                @toplevel_binding
+              end
+
+              def __irb__
+                while line = gets
+                  begin
+                    puts eval(line, toplevel_binding).inspect.sub(/^"(.*)"$/, '=> \\1')
+                  rescue Exception => e
+                    puts "\#{e.class}: \#{e.message}"
+                    puts e.backtrace.first
+                  end
+                end
+              end
+              alias start __irb__
+            end
+          end
+        RUBY
+      end
+    end
+
     def build_repo(path, **kwargs, &blk)
       return if File.directory?(path)