Merge RubyGems/Bundler master

  https://github.com/rubygems/rubygems/commit/fe96fb6e2ac5a8b6df5e852470d11fa854301eca

1 files changed, 148 insertions, 0 deletions

diff --git a/test/rubygems/test_gem_ext_cargo_builder.rb b/test/rubygems/test_gem_ext_cargo_builder.rb
new file mode 100644
index 0000000000..5a1c035947
--- /dev/null
+++ b/test/rubygems/test_gem_ext_cargo_builder.rb
@@ -0,0 +1,148 @@
+# frozen_string_literal: true
+require_relative 'helper'
+require 'rubygems/ext'
+
+class TestGemExtCargoBuilder < Gem::TestCase
+  def setup
+    @orig_env = ENV.to_hash
+
+    @rust_envs = {
+      'CARGO_HOME' => File.join(@orig_env['HOME'], '.cargo'),
+      'RUSTUP_HOME' => File.join(@orig_env['HOME'], '.rustup'),
+    }
+
+    system(@rust_envs, 'cargo', '-V', out: IO::NULL, err: [:child, :out])
+    pend 'cargo not present' unless $?.success?
+
+    super
+  end
+
+  def setup_rust_gem(name)
+    @ext = File.join(@tempdir, 'ext')
+    @dest_path = File.join(@tempdir, 'prefix')
+    @fixture_dir = Pathname.new(File.expand_path("../test_gem_ext_cargo_builder/#{name}/", __FILE__))
+
+    FileUtils.mkdir_p @dest_path
+    FileUtils.cp_r(@fixture_dir.to_s, @ext)
+  end
+
+  def test_build_staticlib
+    skip_unsupported_platforms!
+    setup_rust_gem "rust_ruby_example"
+
+    content = @fixture_dir.join('Cargo.toml').read.gsub("cdylib", "staticlib")
+    File.write(File.join(@ext, 'Cargo.toml'), content)
+
+    output = []
+
+    Dir.chdir @ext do
+      ENV.update(@rust_envs)
+      spec = Gem::Specification.new 'rust_ruby_example', '0.1.0'
+      builder = Gem::Ext::CargoBuilder.new(spec)
+      assert_raise(Gem::Ext::CargoBuilder::DylibNotFoundError) do
+        builder.build nil, @dest_path, output
+      end
+    end
+  end
+
+  def test_build_cdylib
+    skip_unsupported_platforms!
+    setup_rust_gem "rust_ruby_example"
+
+    output = []
+
+    Dir.chdir @ext do
+      ENV.update(@rust_envs)
+      spec = Gem::Specification.new 'rust_ruby_example', '0.1.0'
+      builder = Gem::Ext::CargoBuilder.new(spec)
+      builder.build nil, @dest_path, output
+    end
+
+    output = output.join "\n"
+
+    bundle = File.join(@dest_path, "release/rust_ruby_example.#{RbConfig::CONFIG['DLEXT']}")
+
+    require(bundle)
+
+    assert_match RustRubyExample.reverse('hello'), 'olleh'
+
+    assert_match "Compiling rust_ruby_example v0.1.0", output
+    assert_match "Finished release [optimized] target(s)", output
+  rescue Exception => e
+    pp output if output
+
+    raise(e)
+  end
+
+  def test_build_fail
+    skip_unsupported_platforms!
+    setup_rust_gem "rust_ruby_example"
+
+    output = []
+
+    FileUtils.rm(File.join(@ext, 'src/lib.rs'))
+
+    error = assert_raise(Gem::InstallError) do
+      Dir.chdir @ext do
+        ENV.update(@rust_envs)
+        spec = Gem::Specification.new 'rust_ruby_example', '0.1.0'
+        builder = Gem::Ext::CargoBuilder.new(spec)
+        builder.build nil, @dest_path, output
+      end
+    end
+
+    output = output.join "\n"
+
+    assert_match 'cargo failed', error.message
+  end
+
+  def test_full_integration
+    skip_unsupported_platforms!
+    setup_rust_gem "rust_ruby_example"
+
+    Dir.chdir @ext do
+      require 'tmpdir'
+
+      gem = [@rust_envs, *ruby_with_rubygems_in_load_path, File.expand_path("./../../../bin/gem", __FILE__)]
+
+      Dir.mktmpdir("rust_ruby_example") do |dir|
+        built_gem = File.expand_path(File.join(dir, "rust_ruby_example.gem"))
+        Open3.capture2e(*gem, "build", "rust_ruby_example.gemspec", "--output", built_gem)
+        Open3.capture2e(*gem, "install", "--verbose", "--local", built_gem, *ARGV)
+      end
+
+      stdout_and_stderr_str, status = Open3.capture2e(@rust_envs, *ruby_with_rubygems_in_load_path, "-rrust_ruby_example", "-e", "puts 'Result: ' + RustRubyExample.reverse('hello world')")
+
+      assert status.success?, stdout_and_stderr_str
+      assert_match "Result: #{"hello world".reverse}", stdout_and_stderr_str
+    end
+  end
+
+  def test_custom_name
+    skip_unsupported_platforms!
+    setup_rust_gem "custom_name"
+
+    Dir.chdir @ext do
+      require 'tmpdir'
+
+      gem = [@rust_envs, *ruby_with_rubygems_in_load_path, File.expand_path("./../../../bin/gem", __FILE__)]
+
+      Dir.mktmpdir("custom_name") do |dir|
+        built_gem = File.expand_path(File.join(dir, "custom_name.gem"))
+        Open3.capture2e(*gem, "build", "custom_name.gemspec", "--output", built_gem)
+        Open3.capture2e(*gem, "install", "--verbose", "--local", built_gem, *ARGV)
+      end
+
+      stdout_and_stderr_str, status = Open3.capture2e(@rust_envs, *ruby_with_rubygems_in_load_path, "-rcustom_name", "-e", "puts 'Result: ' + CustomName.say_hello")
+
+      assert status.success?, stdout_and_stderr_str
+      assert_match "Result: Hello world!", stdout_and_stderr_str
+    end
+  end
+
+  def skip_unsupported_platforms!
+    pend "jruby not supported" if java_platform?
+    pend "truffleruby not supported (yet)" if RUBY_ENGINE == 'truffleruby'
+    pend "mswin not supported (yet)" if /mswin/ =~ RUBY_PLATFORM && ENV.key?('GITHUB_ACTIONS')
+  end
+end