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require 'spec_helper'
class Test
extend FFI_Yajl::MapLibraryName
end
host_os_library_name_mapping = {
"mingw" => [ "libyajl.so", "yajl.dll" ],
"mswin" => [ "libyajl.so", "yajl.dll" ],
"cygwin" => [ "libyajl.so", "cygyajl.dll" ],
"darwin" => [ "libyajl.bundle", "libyajl.dylib" ],
"solaris2" => [ "libyajl.so" ],
"linux" => [ "libyajl.so" ],
"aix" => [ "libyajl.so" ],
"hpux" => [ "libyajl.so" ],
"netbsd" => [ "libyajl.so" ],
"openbsd" => [ "libyajl.so" ],
"freebsd" => [ "libyajl.so" ],
}
describe "FFI_Yajl::MapLibraryName" do
let(:libyajl2_opt_path) { "/libyajl2/lib" }
before do
allow(Libyajl2).to receive(:opt_path).and_return(libyajl2_opt_path)
end
host_os_library_name_mapping.each do |host_os, library_names|
context "#library_names" do
it "maps #{host_os} correctly" do
allow(Test).to receive(:host_os).and_return(host_os)
expect(Test.send(:library_names)).to eq(library_names)
end
end
context "#expanded_library_names" do
it "maps #{host_os} correctly" do
allow(Test).to receive(:host_os).and_return(host_os)
expanded_library_names = []
library_names.each do |library_name|
path = File.expand_path(File.join(libyajl2_opt_path, library_name))
expanded_library_names.push(path)
expect(File).to receive(:file?).with(path).and_return(true)
end
expect(Test.send(:expanded_library_names)).to eq(expanded_library_names)
end
end
context "#dlopen_yajl_library" do
it "should call dlopen against an expanded library name if it finds it on #{host_os}" do
allow(Test).to receive(:host_os).and_return(host_os)
library_names.each do |library_name|
path = File.expand_path(File.join(libyajl2_opt_path, library_name))
allow(File).to receive(:file?).with(path).and_return(true)
allow(Test).to receive(:dlopen).with(path).and_return(nil)
end
Test.send(:dlopen_yajl_library)
end
it "if dlopen calls all raise it should still use the short names on #{host_os}" do
allow(Test).to receive(:host_os).and_return(host_os)
library_names.each do |library_name|
path = File.expand_path(File.join(libyajl2_opt_path, library_name))
allow(File).to receive(:file?).with(path).and_return(true)
allow(Test).to receive(:dlopen).with(path).and_raise(ArgumentError)
end
allow(Test).to receive(:dlopen).with(library_names.first).and_return(nil)
Test.send(:dlopen_yajl_library)
end
end
context "ffi_open_yajl_library" do
it "should call ffi_lib against an expanded library name if it finds it on #{host_os}" do
allow(Test).to receive(:host_os).and_return(host_os)
library_names.each do |library_name|
path = File.expand_path(File.join(libyajl2_opt_path, library_name))
allow(File).to receive(:file?).with(path).and_return(true)
allow(Test).to receive(:ffi_lib).with(path).and_return(nil)
end
Test.send(:ffi_open_yajl_library)
end
it "if dlopen calls all raise it should still use 'yajl' on #{host_os}" do
allow(Test).to receive(:host_os).and_return(host_os)
library_names.each do |library_name|
path = File.expand_path(File.join(libyajl2_opt_path, library_name))
allow(File).to receive(:file?).with(path).and_return(true)
allow(Test).to receive(:ffi_lib).with(path).and_raise(LoadError)
end
allow(Test).to receive(:ffi_lib).with('yajl').and_return(nil)
Test.send(:ffi_open_yajl_library)
end
end
end
end
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