describe Rscons do describe ".set_suffix" do it "changes the suffix to the new one" do expect(Rscons.set_suffix("foo.c", ".h")).to eq("foo.h") end it "appends a suffix if the given file name does not have one" do expect(Rscons.set_suffix("bazz", ".d")).to eq("bazz.d") end end describe ".get_system_shell" do before(:each) do Rscons.instance_variable_set(:@shell, nil) end after(:each) do Rscons.instance_variable_set(:@shell, nil) end it "uses the SHELL environment variable if it tests successfully" do my_ENV = {"SHELL" => "my_shell"} allow(ENV).to receive(:[]) {|*args| my_ENV[*args]} io = StringIO.new("success\n") expect(IO).to receive(:popen).with(["my_shell", "-c", "echo success"]).and_yield(io) expect(Rscons.get_system_shell).to eq(["my_shell", "-c"]) end it "uses sh -c on a mingw platform if it tests successfully" do my_ENV = {"SHELL" => nil} allow(ENV).to receive(:[]) {|*args| my_ENV[*args]} io = StringIO.new("success\n") expect(IO).to receive(:popen).with(["sh", "-c", "echo success"]).and_yield(io) expect(Object).to receive(:const_get).with("RUBY_PLATFORM").and_return("x86-mingw") expect(Rscons.get_system_shell).to eq(["sh", "-c"]) end it "uses cmd /c on a mingw platform if sh -c does not test successfully" do my_ENV = {"SHELL" => nil} allow(ENV).to receive(:[]) {|*args| my_ENV[*args]} io = StringIO.new("success\n") expect(IO).to receive(:popen).with(["sh", "-c", "echo success"]).and_raise "ENOENT" expect(Object).to receive(:const_get).with("RUBY_PLATFORM").and_return("x86-mingw") expect(Rscons.get_system_shell).to eq(["cmd", "/c"]) end it "uses sh -c on a non-mingw platform if SHELL is not specified" do my_ENV = {"SHELL" => nil} allow(ENV).to receive(:[]) {|*args| my_ENV[*args]} expect(Object).to receive(:const_get).with("RUBY_PLATFORM").and_return("x86-linux") expect(Rscons.get_system_shell).to eq(["sh", "-c"]) end end context "command executer" do describe ".command_executer" do before(:each) do Rscons.instance_variable_set(:@command_executer, nil) end after(:each) do Rscons.instance_variable_set(:@command_executer, nil) end it "returns ['env'] if mingw platform in MSYS and 'env' works" do expect(Object).to receive(:const_get).and_return("x86-mingw") expect(ENV).to receive(:keys).and_return(["MSYSCON"]) io = StringIO.new("success\n") expect(IO).to receive(:popen).with(["env", "echo", "success"]).and_yield(io) expect(Rscons.command_executer).to eq(["env"]) end it "returns [] if mingw platform in MSYS and 'env' does not work" do expect(Object).to receive(:const_get).and_return("x86-mingw") expect(ENV).to receive(:keys).and_return(["MSYSCON"]) expect(IO).to receive(:popen).with(["env", "echo", "success"]).and_raise "ENOENT" expect(Rscons.command_executer).to eq([]) end it "returns [] if mingw platform not in MSYS" do expect(Object).to receive(:const_get).and_return("x86-mingw") expect(ENV).to receive(:keys).and_return(["COMSPEC"]) expect(Rscons.command_executer).to eq([]) end it "returns [] if not mingw platform" do expect(Object).to receive(:const_get).and_return("x86-linux") expect(Rscons.command_executer).to eq([]) end end describe ".command_executer=" do it "overrides the value of @command_executer" do Rscons.instance_variable_set(:@command_executer, ["env"]) Rscons.command_executer = [] expect(Rscons.instance_variable_get(:@command_executer)).to eq([]) end end end end