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require 'google/protobuf'
require 'test/unit'
class BackendTest < Test::Unit::TestCase
# Verifies the implementation of Protobuf is the preferred one.
# See protobuf.rb for the logic that defines PREFER_FFI.
def test_prefer_ffi_aligns_with_implementation
expected = Google::Protobuf::PREFER_FFI ? :FFI : :NATIVE
assert_equal expected, Google::Protobuf::IMPLEMENTATION
end
def test_prefer_ffi
unless ENV['PROTOCOL_BUFFERS_RUBY_IMPLEMENTATION'] =~ /ffi/i
omit"FFI implementation requires environment variable PROTOCOL_BUFFERS_RUBY_IMPLEMENTATION=FFI to activate."
end
assert_equal true, Google::Protobuf::PREFER_FFI
end
def test_ffi_implementation
unless ENV['PROTOCOL_BUFFERS_RUBY_IMPLEMENTATION'] =~ /ffi/i
omit "FFI implementation requires environment variable PROTOCOL_BUFFERS_RUBY_IMPLEMENTATION=FFI to activate."
end
assert_equal :FFI, Google::Protobuf::IMPLEMENTATION
end
def test_prefer_native
if ENV.include?('PROTOCOL_BUFFERS_RUBY_IMPLEMENTATION') and ENV['PROTOCOL_BUFFERS_RUBY_IMPLEMENTATION'] !~ /native/i
omit"Native implementation requires omitting environment variable PROTOCOL_BUFFERS_RUBY_IMPLEMENTATION or setting it to `NATIVE` to activate."
end
assert_equal false, Google::Protobuf::PREFER_FFI
end
def test_native_implementation
if ENV.include?('PROTOCOL_BUFFERS_RUBY_IMPLEMENTATION') and ENV['PROTOCOL_BUFFERS_RUBY_IMPLEMENTATION'] !~ /native/i
omit"Native implementation requires omitting environment variable PROTOCOL_BUFFERS_RUBY_IMPLEMENTATION or setting it to `NATIVE` to activate."
end
assert_equal :NATIVE, Google::Protobuf::IMPLEMENTATION
end
end
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