BeforeEach(func() {
fc = flags.New()
fc.NewIntFlag("", "a", "Usage for a")
})
It("prints the shortname with one hyphen followed by the usage", func() {
outputs := fc.ShowUsage(0)
Expect(outputs).To(MatchRegexp("^-a Usage for a\n"))
})
})
Context("when showing usage for multiple flags", func() {
BeforeEach(func() {
fc = flags.New()
fc.NewIntFlag("flag-a", "a", "Usage for flag-a")
fc.NewStringFlag("flag-b", "", "")
fc.NewBoolFlag("flag-c", "c", "Usage for flag-c")
})
It("prints each flag on its own line", func() {
outputs := fc.ShowUsage(0)
Expect(outputs).To(ContainSubstring("--flag-a, -a Usage for flag-a\n"))
Expect(outputs).To(ContainSubstring("--flag-b\n"))
Expect(outputs).To(ContainSubstring("--flag-c, -c Usage for flag-c\n"))
})
})
Context("when given a non-zero integer for padding", func() {
BeforeEach(func() {
fc = flags.New()
fc.NewIntFlag("flag-a", "", "")
var (
fc flags.FlagContext
)
BeforeEach(func() {
fc = flags.New()
})
Describe("NewStringFlag()", func() {
It("init the flag context with a new string flagset", func() {
fc.Parse("-s", "test")
Ω(fc.IsSet("s")).To(BeFalse())
Ω(fc.String("s")).To(Equal(""))
fc.NewStringFlag("s", "s2", "setting new string flag")
fc.Parse("-s", "test2")
Ω(fc.IsSet("s")).To(BeTrue())
Ω(fc.IsSet("s2")).To(BeTrue())
Ω(fc.String("s")).To(Equal("test2"))
Ω(fc.String("s2")).To(Equal("test2"))
})
})
Describe("NewStringFlagWithDefault()", func() {
It("init the flag context with a new string flagset with default value", func() {
fc.Parse("-s", "test")
Ω(fc.IsSet("s")).To(BeFalse())
Ω(fc.String("s")).To(Equal(""))
fc.NewStringFlagWithDefault("s", "s2", "setting new string flag", "barz")
BeforeEach(func() {
fc = flags.New()
fc.NewIntFlag("", "a", "Usage for a")
})
It("prints the shortname with one hyphen followed by the usage", func() {
outputs := fc.ShowUsage(0)
Expect(outputs).To(MatchRegexp("^-a Usage for a"))
})
})
Context("when showing usage for multiple flags", func() {
BeforeEach(func() {
fc = flags.New()
fc.NewIntFlag("flag-a", "a", "Usage for flag-a")
fc.NewStringFlag("flag-b", "", "")
fc.NewBoolFlag("flag-c", "c", "Usage for flag-c")
})
It("prints each flag on its own line", func() {
outputs := fc.ShowUsage(0)
Expect(outputs).To(ContainSubstring("--flag-a, -a Usage for flag-a\n"))
Expect(outputs).To(ContainSubstring("--flag-b\n"))
Expect(outputs).To(ContainSubstring("--flag-c, -c Usage for flag-c"))
})
})
Context("when given a non-zero integer for padding", func() {
BeforeEach(func() {
fc = flags.New()
fc.NewIntFlag("flag-a", "", "")