package rconfig import ( "os" . "github.com/onsi/ginkgo" . "github.com/onsi/gomega" ) var _ = Describe("Testing general parsing", func() { type t struct { Test string `default:"foo" env:"shell" flag:"shell" description:"Test"` Test2 string `default:"blub" env:"testvar" flag:"testvar,t" description:"Test"` DefaultFlag string `default:"goo"` SadFlag string } var ( err error args []string cfg t ) Context("with defined arguments", func() { BeforeEach(func() { cfg = t{} args = []string{ "--shell=test23", "-t", "bla", } }) JustBeforeEach(func() { err = parse(&cfg, args) }) It("should not have errored", func() { Expect(err).NotTo(HaveOccurred()) }) It("should have parsed the expected values", func() { Expect(cfg.Test).To(Equal("test23")) Expect(cfg.Test2).To(Equal("bla")) Expect(cfg.SadFlag).To(Equal("")) Expect(cfg.DefaultFlag).To(Equal("goo")) }) }) Context("with no arguments", func() { BeforeEach(func() { cfg = t{} args = []string{} }) JustBeforeEach(func() { err = parse(&cfg, args) }) It("should not have errored", func() { Expect(err).NotTo(HaveOccurred()) }) It("should have used the default value", func() { Expect(cfg.Test).To(Equal("foo")) }) }) Context("with no arguments and set env", func() { BeforeEach(func() { cfg = t{} args = []string{} os.Setenv("shell", "test546") }) AfterEach(func() { os.Unsetenv("shell") }) JustBeforeEach(func() { err = parse(&cfg, args) }) It("should not have errored", func() { Expect(err).NotTo(HaveOccurred()) }) It("should have used the value from env", func() { Expect(cfg.Test).To(Equal("test546")) }) }) Context("with additional arguments", func() { BeforeEach(func() { cfg = t{} args = []string{ "--shell=test23", "-t", "bla", "positional1", "positional2", } }) JustBeforeEach(func() { err = parse(&cfg, args) }) It("should not have errored", func() { Expect(err).NotTo(HaveOccurred()) }) It("should have parsed the expected values", func() { Expect(cfg.Test).To(Equal("test23")) Expect(cfg.Test2).To(Equal("bla")) Expect(cfg.SadFlag).To(Equal("")) Expect(cfg.DefaultFlag).To(Equal("goo")) }) It("should have detected the positional arguments", func() { Expect(Args()).To(Equal([]string{"positional1", "positional2"})) }) }) })