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# frozen_string_literal: true
require_relative 'helper'
require 'rubygems/ext'
class TestGemExtCargoBuilder < Gem::TestCase
def setup
super
@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?
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}/", __dir__))
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', __dir__)]
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', __dir__)]
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')
pend "ruby.h is not provided by ruby repo" if testing_ruby_repo?
end
end
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