1107 lines
26 KiB
Go
1107 lines
26 KiB
Go
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package cli
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import (
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"flag"
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"github.com/stretchr/testify/require"
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"io/ioutil"
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"os"
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"testing"
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)
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func TestTheCpCase(t *testing.T) {
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app := App("cp", "")
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app.Spec = "SRC... DST"
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src := app.Strings(StringsArg{Name: "SRC", Value: nil, Desc: ""})
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dst := app.String(StringArg{Name: "DST", Value: "", Desc: ""})
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ex := false
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app.Action = func() {
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ex = true
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}
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app.Run([]string{"cp", "x", "y", "z"})
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require.Equal(t, []string{"x", "y"}, *src)
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require.Equal(t, "z", *dst)
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require.True(t, ex, "Exec wasn't called")
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}
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func TestImplicitSpec(t *testing.T) {
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app := App("test", "")
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x := app.Bool(BoolOpt{Name: "x", Value: false, Desc: ""})
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y := app.String(StringOpt{Name: "y", Value: "", Desc: ""})
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called := false
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app.Action = func() {
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called = true
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}
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app.ErrorHandling = flag.ContinueOnError
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err := app.Run([]string{"test", "-x", "-y", "hello"})
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require.Nil(t, err)
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require.True(t, *x)
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require.Equal(t, "hello", *y)
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require.True(t, called, "Exec wasn't called")
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}
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func TestAppWithBoolOption(t *testing.T) {
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cases := []struct {
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args []string
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expectedOptValue bool
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}{
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{[]string{"app"}, false},
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{[]string{"app", "-o"}, true},
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{[]string{"app", "-o=true"}, true},
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{[]string{"app", "-o=false"}, false},
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{[]string{"app", "--option"}, true},
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{[]string{"app", "--option=true"}, true},
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{[]string{"app", "--option=false"}, false},
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}
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for _, cas := range cases {
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t.Logf("Testing %#v", cas.args)
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app := App("app", "")
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app.ErrorHandling = flag.ContinueOnError
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opt := app.BoolOpt("o option", false, "")
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ex := false
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app.Action = func() {
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ex = true
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require.Equal(t, cas.expectedOptValue, *opt)
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}
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err := app.Run(cas.args)
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require.NoError(t, err)
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require.True(t, ex, "Exec wasn't called")
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}
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}
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func TestAppWithStringOption(t *testing.T) {
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cases := []struct {
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args []string
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expectedOptValue string
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}{
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{[]string{"app"}, "default"},
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{[]string{"app", "-o", "user"}, "user"},
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{[]string{"app", "-o=user"}, "user"},
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{[]string{"app", "--option", "user"}, "user"},
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{[]string{"app", "--option=user"}, "user"},
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}
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for _, cas := range cases {
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t.Logf("Testing %#v", cas.args)
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app := App("app", "")
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app.ErrorHandling = flag.ContinueOnError
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opt := app.StringOpt("o option", "default", "")
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ex := false
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app.Action = func() {
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ex = true
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require.Equal(t, cas.expectedOptValue, *opt)
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}
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err := app.Run(cas.args)
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require.NoError(t, err)
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require.True(t, ex, "Exec wasn't called")
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}
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}
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func TestAppWithIntOption(t *testing.T) {
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cases := []struct {
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args []string
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expectedOptValue int
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}{
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{[]string{"app"}, 3},
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{[]string{"app", "-o", "16"}, 16},
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{[]string{"app", "-o=16"}, 16},
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{[]string{"app", "--option", "16"}, 16},
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{[]string{"app", "--option=16"}, 16},
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}
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for _, cas := range cases {
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t.Logf("Testing %#v", cas.args)
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app := App("app", "")
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app.ErrorHandling = flag.ContinueOnError
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opt := app.IntOpt("o option", 3, "")
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ex := false
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app.Action = func() {
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ex = true
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require.Equal(t, cas.expectedOptValue, *opt)
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}
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err := app.Run(cas.args)
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require.NoError(t, err)
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require.True(t, ex, "Exec wasn't called")
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}
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}
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func TestAppWithStringsOption(t *testing.T) {
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cases := []struct {
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args []string
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expectedOptValue []string
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}{
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{[]string{"app"}, []string{"a", "b"}},
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{[]string{"app", "-o", "x"}, []string{"x"}},
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{[]string{"app", "-o", "x", "-o=y"}, []string{"x", "y"}},
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{[]string{"app", "--option", "x"}, []string{"x"}},
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{[]string{"app", "--option", "x", "--option=y"}, []string{"x", "y"}},
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}
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for _, cas := range cases {
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t.Logf("Testing %#v", cas.args)
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app := App("app", "")
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app.ErrorHandling = flag.ContinueOnError
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opt := app.StringsOpt("o option", []string{"a", "b"}, "")
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ex := false
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app.Action = func() {
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ex = true
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require.Equal(t, cas.expectedOptValue, *opt)
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}
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err := app.Run(cas.args)
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require.NoError(t, err)
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require.True(t, ex, "Exec wasn't called")
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}
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}
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func TestAppWithIntsOption(t *testing.T) {
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cases := []struct {
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args []string
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expectedOptValue []int
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}{
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{[]string{"app"}, []int{1, 2}},
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{[]string{"app", "-o", "10"}, []int{10}},
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{[]string{"app", "-o", "10", "-o=11"}, []int{10, 11}},
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{[]string{"app", "--option", "10"}, []int{10}},
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{[]string{"app", "--option", "10", "--option=11"}, []int{10, 11}},
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}
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for _, cas := range cases {
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t.Logf("Testing %#v", cas.args)
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app := App("app", "")
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app.ErrorHandling = flag.ContinueOnError
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opt := app.IntsOpt("o option", []int{1, 2}, "")
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ex := false
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app.Action = func() {
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ex = true
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require.Equal(t, cas.expectedOptValue, *opt)
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}
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err := app.Run(cas.args)
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require.NoError(t, err)
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require.True(t, ex, "Exec wasn't called")
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}
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}
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func TestAppWithBoolArg(t *testing.T) {
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cases := []struct {
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args []string
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expectedOptValue bool
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}{
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{[]string{"app"}, false},
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{[]string{"app", "true"}, true},
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{[]string{"app", "false"}, false},
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}
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for _, cas := range cases {
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t.Logf("Testing %#v", cas.args)
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app := App("app", "")
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app.Spec = "[ARG]"
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app.ErrorHandling = flag.ContinueOnError
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opt := app.BoolArg("ARG", false, "")
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ex := false
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app.Action = func() {
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ex = true
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require.Equal(t, cas.expectedOptValue, *opt)
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}
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err := app.Run(cas.args)
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require.NoError(t, err)
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require.True(t, ex, "Exec wasn't called")
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}
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}
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func TestAppWithStringArg(t *testing.T) {
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cases := []struct {
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args []string
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expectedOptValue string
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}{
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{[]string{"app"}, "default"},
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{[]string{"app", "user"}, "user"},
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}
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for _, cas := range cases {
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t.Logf("Testing %#v", cas.args)
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app := App("app", "")
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app.Spec = "[ARG]"
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app.ErrorHandling = flag.ContinueOnError
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opt := app.StringArg("ARG", "default", "")
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ex := false
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app.Action = func() {
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ex = true
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require.Equal(t, cas.expectedOptValue, *opt)
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}
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err := app.Run(cas.args)
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require.NoError(t, err)
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require.True(t, ex, "Exec wasn't called")
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}
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}
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func TestAppWithIntArg(t *testing.T) {
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cases := []struct {
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args []string
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expectedOptValue int
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}{
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{[]string{"app"}, 3},
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{[]string{"app", "16"}, 16},
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}
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for _, cas := range cases {
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t.Logf("Testing %#v", cas.args)
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app := App("app", "")
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app.Spec = "[ARG]"
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app.ErrorHandling = flag.ContinueOnError
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opt := app.IntArg("ARG", 3, "")
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ex := false
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app.Action = func() {
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ex = true
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require.Equal(t, cas.expectedOptValue, *opt)
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}
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err := app.Run(cas.args)
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require.NoError(t, err)
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require.True(t, ex, "Exec wasn't called")
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}
|
||
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}
|
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||
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func TestAppWithStringsArg(t *testing.T) {
|
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|
||
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cases := []struct {
|
||
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args []string
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expectedOptValue []string
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}{
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{[]string{"app"}, []string{"a", "b"}},
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{[]string{"app", "x"}, []string{"x"}},
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{[]string{"app", "x", "y"}, []string{"x", "y"}},
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}
|
||
|
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|
||
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for _, cas := range cases {
|
||
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t.Logf("Testing %#v", cas.args)
|
||
|
|
|
||
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app := App("app", "")
|
||
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app.Spec = "[ARG...]"
|
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app.ErrorHandling = flag.ContinueOnError
|
||
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opt := app.StringsArg("ARG", []string{"a", "b"}, "")
|
||
|
|
|
||
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ex := false
|
||
|
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app.Action = func() {
|
||
|
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ex = true
|
||
|
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require.Equal(t, cas.expectedOptValue, *opt)
|
||
|
|
}
|
||
|
|
err := app.Run(cas.args)
|
||
|
|
|
||
|
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require.NoError(t, err)
|
||
|
|
require.True(t, ex, "Exec wasn't called")
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestAppWithIntsArg(t *testing.T) {
|
||
|
|
|
||
|
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cases := []struct {
|
||
|
|
args []string
|
||
|
|
expectedOptValue []int
|
||
|
|
}{
|
||
|
|
{[]string{"app"}, []int{1, 2}},
|
||
|
|
{[]string{"app", "10"}, []int{10}},
|
||
|
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{[]string{"app", "10", "11"}, []int{10, 11}},
|
||
|
|
}
|
||
|
|
|
||
|
|
for _, cas := range cases {
|
||
|
|
t.Logf("Testing %#v", cas.args)
|
||
|
|
|
||
|
|
app := App("app", "")
|
||
|
|
app.Spec = "[ARG...]"
|
||
|
|
app.ErrorHandling = flag.ContinueOnError
|
||
|
|
opt := app.IntsArg("ARG", []int{1, 2}, "")
|
||
|
|
|
||
|
|
ex := false
|
||
|
|
app.Action = func() {
|
||
|
|
ex = true
|
||
|
|
require.Equal(t, cas.expectedOptValue, *opt)
|
||
|
|
}
|
||
|
|
err := app.Run(cas.args)
|
||
|
|
|
||
|
|
require.NoError(t, err)
|
||
|
|
require.True(t, ex, "Exec wasn't called")
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func testHelpAndVersionWithOptionsEnd(flag string, t *testing.T) {
|
||
|
|
t.Logf("Testing help/version with --: flag=%q", flag)
|
||
|
|
defer suppressOutput()()
|
||
|
|
|
||
|
|
exitCalled := false
|
||
|
|
defer exitShouldBeCalledWith(t, 0, &exitCalled)()
|
||
|
|
|
||
|
|
app := App("x", "")
|
||
|
|
app.Version("v version", "1.0")
|
||
|
|
app.Spec = "CMD"
|
||
|
|
|
||
|
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cmd := app.String(StringArg{Name: "CMD", Value: "", Desc: ""})
|
||
|
|
|
||
|
|
actionCalled := false
|
||
|
|
app.Action = func() {
|
||
|
|
actionCalled = true
|
||
|
|
require.Equal(t, flag, *cmd)
|
||
|
|
}
|
||
|
|
|
||
|
|
app.Run([]string{"x", "--", flag})
|
||
|
|
|
||
|
|
require.True(t, actionCalled, "action should have been called")
|
||
|
|
require.False(t, exitCalled, "exit should not have been called")
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestHelpAndVersionWithOptionsEnd(t *testing.T) {
|
||
|
|
for _, flag := range []string{"-h", "--help", "-v", "--version"} {
|
||
|
|
testHelpAndVersionWithOptionsEnd(flag, t)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
var genGolden = flag.Bool("g", false, "Generate golden file(s)")
|
||
|
|
|
||
|
|
func TestHelpMessage(t *testing.T) {
|
||
|
|
var out, err string
|
||
|
|
defer captureAndRestoreOutput(&out, &err)()
|
||
|
|
|
||
|
|
exitCalled := false
|
||
|
|
defer exitShouldBeCalledWith(t, 0, &exitCalled)()
|
||
|
|
|
||
|
|
app := App("app", "App Desc")
|
||
|
|
app.Spec = "[-bdsuikqs] BOOL1 [STR1] INT3..."
|
||
|
|
|
||
|
|
// Options
|
||
|
|
app.Bool(BoolOpt{Name: "b bool1 u uuu", Value: false, EnvVar: "BOOL1", Desc: "Bool Option 1"})
|
||
|
|
app.Bool(BoolOpt{Name: "bool2", Value: true, EnvVar: " ", Desc: "Bool Option 2"})
|
||
|
|
app.Bool(BoolOpt{Name: "d", Value: true, EnvVar: "BOOL3", Desc: "Bool Option 3", HideValue: true})
|
||
|
|
|
||
|
|
app.String(StringOpt{Name: "s str1", Value: "", EnvVar: "STR1", Desc: "String Option 1"})
|
||
|
|
app.String(StringOpt{Name: "str2", Value: "a value", Desc: "String Option 2"})
|
||
|
|
app.String(StringOpt{Name: "u", Value: "another value", EnvVar: "STR3", Desc: "String Option 3", HideValue: true})
|
||
|
|
|
||
|
|
app.Int(IntOpt{Name: "i int1", Value: 0, EnvVar: "INT1 ALIAS_INT1"})
|
||
|
|
app.Int(IntOpt{Name: "int2", Value: 1, EnvVar: "INT2", Desc: "Int Option 2"})
|
||
|
|
app.Int(IntOpt{Name: "k", Value: 1, EnvVar: "INT3", Desc: "Int Option 3", HideValue: true})
|
||
|
|
|
||
|
|
app.Strings(StringsOpt{Name: "x strs1", Value: nil, EnvVar: "STRS1", Desc: "Strings Option 1"})
|
||
|
|
app.Strings(StringsOpt{Name: "strs2", Value: []string{"value1", "value2"}, EnvVar: "STRS2", Desc: "Strings Option 2"})
|
||
|
|
app.Strings(StringsOpt{Name: "z", Value: []string{"another value"}, EnvVar: "STRS3", Desc: "Strings Option 3", HideValue: true})
|
||
|
|
|
||
|
|
app.Ints(IntsOpt{Name: "q ints1", Value: nil, EnvVar: "INTS1", Desc: "Ints Option 1"})
|
||
|
|
app.Ints(IntsOpt{Name: "ints2", Value: []int{1, 2, 3}, EnvVar: "INTS2", Desc: "Ints Option 2"})
|
||
|
|
app.Ints(IntsOpt{Name: "s", Value: []int{1}, EnvVar: "INTS3", Desc: "Ints Option 3", HideValue: true})
|
||
|
|
|
||
|
|
// Args
|
||
|
|
app.Bool(BoolArg{Name: "BOOL1", Value: false, EnvVar: "BOOL1", Desc: "Bool Argument 1"})
|
||
|
|
app.Bool(BoolArg{Name: "BOOL2", Value: true, Desc: "Bool Argument 2"})
|
||
|
|
app.Bool(BoolArg{Name: "BOOL3", Value: true, EnvVar: "BOOL3", Desc: "Bool Argument 3", HideValue: true})
|
||
|
|
|
||
|
|
app.String(StringArg{Name: "STR1", Value: "", EnvVar: "STR1", Desc: "String Argument 1"})
|
||
|
|
app.String(StringArg{Name: "STR2", Value: "a value", EnvVar: "STR2", Desc: "String Argument 2"})
|
||
|
|
app.String(StringArg{Name: "STR3", Value: "another value", EnvVar: "STR3", Desc: "String Argument 3", HideValue: true})
|
||
|
|
|
||
|
|
app.Int(IntArg{Name: "INT1", Value: 0, EnvVar: "INT1", Desc: "Int Argument 1"})
|
||
|
|
app.Int(IntArg{Name: "INT2", Value: 1, EnvVar: "INT2", Desc: "Int Argument 2"})
|
||
|
|
app.Int(IntArg{Name: "INT3", Value: 1, EnvVar: "INT3", Desc: "Int Argument 3", HideValue: true})
|
||
|
|
|
||
|
|
app.Strings(StringsArg{Name: "STRS1", Value: nil, EnvVar: "STRS1", Desc: "Strings Argument 1"})
|
||
|
|
app.Strings(StringsArg{Name: "STRS2", Value: []string{"value1", "value2"}, EnvVar: "STRS2"})
|
||
|
|
app.Strings(StringsArg{Name: "STRS3", Value: []string{"another value"}, EnvVar: "STRS3", Desc: "Strings Argument 3", HideValue: true})
|
||
|
|
|
||
|
|
app.Ints(IntsArg{Name: "INTS1", Value: nil, EnvVar: "INTS1", Desc: "Ints Argument 1"})
|
||
|
|
app.Ints(IntsArg{Name: "INTS2", Value: []int{1, 2, 3}, EnvVar: "INTS2", Desc: "Ints Argument 2"})
|
||
|
|
app.Ints(IntsArg{Name: "INTS3", Value: []int{1}, EnvVar: "INTS3", Desc: "Ints Argument 3", HideValue: true})
|
||
|
|
|
||
|
|
app.Action = func() {}
|
||
|
|
|
||
|
|
app.Command("command1", "command1 description", func(cmd *Cmd) {})
|
||
|
|
app.Command("command2", "command2 description", func(cmd *Cmd) {})
|
||
|
|
app.Command("command3", "command3 description", func(cmd *Cmd) {})
|
||
|
|
|
||
|
|
app.Run([]string{"app", "-h"})
|
||
|
|
|
||
|
|
if *genGolden {
|
||
|
|
ioutil.WriteFile("testdata/help-output.txt.golden", []byte(err), 0644)
|
||
|
|
}
|
||
|
|
|
||
|
|
expected, e := ioutil.ReadFile("testdata/help-output.txt")
|
||
|
|
require.NoError(t, e, "Failed to read the expected help output from testdata/help-output.txt")
|
||
|
|
|
||
|
|
require.Equal(t, expected, []byte(err))
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestLongHelpMessage(t *testing.T) {
|
||
|
|
var out, err string
|
||
|
|
defer captureAndRestoreOutput(&out, &err)()
|
||
|
|
|
||
|
|
exitCalled := false
|
||
|
|
defer exitShouldBeCalledWith(t, 0, &exitCalled)()
|
||
|
|
|
||
|
|
app := App("app", "App Desc")
|
||
|
|
app.LongDesc = "Longer App Desc"
|
||
|
|
app.Spec = "[-o] ARG"
|
||
|
|
|
||
|
|
app.String(StringOpt{Name: "o opt", Value: "", Desc: "Option"})
|
||
|
|
app.String(StringArg{Name: "ARG", Value: "", Desc: "Argument"})
|
||
|
|
|
||
|
|
app.Action = func() {}
|
||
|
|
app.Run([]string{"app", "-h"})
|
||
|
|
|
||
|
|
if *genGolden {
|
||
|
|
ioutil.WriteFile("testdata/long-help-output.txt.golden", []byte(err), 0644)
|
||
|
|
}
|
||
|
|
|
||
|
|
expected, e := ioutil.ReadFile("testdata/long-help-output.txt")
|
||
|
|
require.NoError(t, e, "Failed to read the expected help output from testdata/long-help-output.txt")
|
||
|
|
|
||
|
|
require.Equal(t, expected, []byte(err))
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestVersionShortcut(t *testing.T) {
|
||
|
|
defer suppressOutput()()
|
||
|
|
exitCalled := false
|
||
|
|
defer exitShouldBeCalledWith(t, 0, &exitCalled)()
|
||
|
|
|
||
|
|
app := App("cp", "")
|
||
|
|
app.Version("v version", "cp 1.2.3")
|
||
|
|
|
||
|
|
actionCalled := false
|
||
|
|
app.Action = func() {
|
||
|
|
actionCalled = true
|
||
|
|
}
|
||
|
|
|
||
|
|
app.Run([]string{"cp", "--version"})
|
||
|
|
|
||
|
|
require.False(t, actionCalled, "action should not have been called")
|
||
|
|
require.True(t, exitCalled, "exit should have been called")
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestSubCommands(t *testing.T) {
|
||
|
|
app := App("say", "")
|
||
|
|
|
||
|
|
hi, bye := false, false
|
||
|
|
|
||
|
|
app.Command("hi", "", func(cmd *Cmd) {
|
||
|
|
cmd.Action = func() {
|
||
|
|
hi = true
|
||
|
|
}
|
||
|
|
})
|
||
|
|
|
||
|
|
app.Command("byte", "", func(cmd *Cmd) {
|
||
|
|
cmd.Action = func() {
|
||
|
|
bye = true
|
||
|
|
}
|
||
|
|
})
|
||
|
|
|
||
|
|
app.Run([]string{"say", "hi"})
|
||
|
|
require.True(t, hi, "hi should have been called")
|
||
|
|
require.False(t, bye, "byte should NOT have been called")
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestContinueOnError(t *testing.T) {
|
||
|
|
defer exitShouldNotCalled(t)()
|
||
|
|
defer suppressOutput()()
|
||
|
|
|
||
|
|
app := App("say", "")
|
||
|
|
app.String(StringOpt{Name: "f", Value: "", Desc: ""})
|
||
|
|
app.Spec = "-f"
|
||
|
|
app.ErrorHandling = flag.ContinueOnError
|
||
|
|
called := false
|
||
|
|
app.Action = func() {
|
||
|
|
called = true
|
||
|
|
}
|
||
|
|
|
||
|
|
err := app.Run([]string{"say"})
|
||
|
|
require.NotNil(t, err)
|
||
|
|
require.False(t, called, "Exec should NOT have been called")
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestContinueOnErrorWithHelpAndVersion(t *testing.T) {
|
||
|
|
defer exitShouldNotCalled(t)()
|
||
|
|
defer suppressOutput()()
|
||
|
|
|
||
|
|
app := App("say", "")
|
||
|
|
app.Version("v", "1.0")
|
||
|
|
app.String(StringOpt{Name: "f", Value: "", Desc: ""})
|
||
|
|
app.Spec = "-f"
|
||
|
|
app.ErrorHandling = flag.ContinueOnError
|
||
|
|
called := false
|
||
|
|
app.Action = func() {
|
||
|
|
called = true
|
||
|
|
}
|
||
|
|
|
||
|
|
{
|
||
|
|
err := app.Run([]string{"say", "-h"})
|
||
|
|
require.Nil(t, err)
|
||
|
|
require.False(t, called, "Exec should NOT have been called")
|
||
|
|
}
|
||
|
|
|
||
|
|
{
|
||
|
|
err := app.Run([]string{"say", "-v"})
|
||
|
|
require.Nil(t, err)
|
||
|
|
require.False(t, called, "Exec should NOT have been called")
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestExitOnError(t *testing.T) {
|
||
|
|
defer suppressOutput()()
|
||
|
|
|
||
|
|
exitCalled := false
|
||
|
|
defer exitShouldBeCalledWith(t, 2, &exitCalled)()
|
||
|
|
|
||
|
|
app := App("x", "")
|
||
|
|
app.ErrorHandling = flag.ExitOnError
|
||
|
|
app.Spec = "Y"
|
||
|
|
|
||
|
|
app.String(StringArg{Name: "Y", Value: "", Desc: ""})
|
||
|
|
|
||
|
|
app.Run([]string{"x", "y", "z"})
|
||
|
|
require.True(t, exitCalled, "exit should have been called")
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestExitOnErrorWithHelp(t *testing.T) {
|
||
|
|
defer suppressOutput()()
|
||
|
|
|
||
|
|
exitCalled := false
|
||
|
|
defer exitShouldBeCalledWith(t, 0, &exitCalled)()
|
||
|
|
|
||
|
|
app := App("x", "")
|
||
|
|
app.Spec = "Y"
|
||
|
|
app.ErrorHandling = flag.ExitOnError
|
||
|
|
|
||
|
|
app.String(StringArg{Name: "Y", Value: "", Desc: ""})
|
||
|
|
|
||
|
|
app.Run([]string{"x", "-h"})
|
||
|
|
require.True(t, exitCalled, "exit should have been called")
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestExitOnErrorWithVersion(t *testing.T) {
|
||
|
|
defer suppressOutput()()
|
||
|
|
|
||
|
|
exitCalled := false
|
||
|
|
defer exitShouldBeCalledWith(t, 0, &exitCalled)()
|
||
|
|
|
||
|
|
app := App("x", "")
|
||
|
|
app.Version("v", "1.0")
|
||
|
|
app.Spec = "Y"
|
||
|
|
app.ErrorHandling = flag.ExitOnError
|
||
|
|
|
||
|
|
app.String(StringArg{Name: "Y", Value: "", Desc: ""})
|
||
|
|
|
||
|
|
app.Run([]string{"x", "-v"})
|
||
|
|
require.True(t, exitCalled, "exit should have been called")
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestPanicOnError(t *testing.T) {
|
||
|
|
defer suppressOutput()()
|
||
|
|
|
||
|
|
app := App("say", "")
|
||
|
|
app.String(StringOpt{Name: "f", Value: "", Desc: ""})
|
||
|
|
app.Spec = "-f"
|
||
|
|
app.ErrorHandling = flag.PanicOnError
|
||
|
|
called := false
|
||
|
|
app.Action = func() {
|
||
|
|
called = true
|
||
|
|
}
|
||
|
|
|
||
|
|
defer func() {
|
||
|
|
if r := recover(); r != nil {
|
||
|
|
require.False(t, called, "Exec should NOT have been called")
|
||
|
|
} else {
|
||
|
|
|
||
|
|
}
|
||
|
|
}()
|
||
|
|
app.Run([]string{"say"})
|
||
|
|
t.Fatalf("wanted panic")
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestOptSetByUser(t *testing.T) {
|
||
|
|
cases := []struct {
|
||
|
|
desc string
|
||
|
|
config func(*Cli, *bool)
|
||
|
|
args []string
|
||
|
|
expected bool
|
||
|
|
}{
|
||
|
|
// OPTS
|
||
|
|
// String
|
||
|
|
{
|
||
|
|
desc: "String Opt, not set by user, default value",
|
||
|
|
config: func(c *Cli, s *bool) {
|
||
|
|
c.String(StringOpt{Name: "f", Value: "a", SetByUser: s})
|
||
|
|
},
|
||
|
|
args: []string{"test"},
|
||
|
|
expected: false,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
desc: "String Opt, not set by user, env value",
|
||
|
|
config: func(c *Cli, s *bool) {
|
||
|
|
os.Setenv("MOW_VALUE", "value")
|
||
|
|
c.String(StringOpt{Name: "f", EnvVar: "MOW_VALUE", SetByUser: s})
|
||
|
|
},
|
||
|
|
args: []string{"test"},
|
||
|
|
expected: false,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
desc: "String Opt, set by user",
|
||
|
|
config: func(c *Cli, s *bool) {
|
||
|
|
c.String(StringOpt{Name: "f", Value: "a", SetByUser: s})
|
||
|
|
},
|
||
|
|
args: []string{"test", "-f=hello"},
|
||
|
|
expected: true,
|
||
|
|
},
|
||
|
|
|
||
|
|
// Bool
|
||
|
|
{
|
||
|
|
desc: "Bool Opt, not set by user, default value",
|
||
|
|
config: func(c *Cli, s *bool) {
|
||
|
|
c.Bool(BoolOpt{Name: "f", Value: true, SetByUser: s})
|
||
|
|
},
|
||
|
|
args: []string{"test"},
|
||
|
|
expected: false,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
desc: "Bool Opt, not set by user, env value",
|
||
|
|
config: func(c *Cli, s *bool) {
|
||
|
|
os.Setenv("MOW_VALUE", "true")
|
||
|
|
c.Bool(BoolOpt{Name: "f", EnvVar: "MOW_VALUE", SetByUser: s})
|
||
|
|
},
|
||
|
|
args: []string{"test"},
|
||
|
|
expected: false,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
desc: "Bool Opt, set by user",
|
||
|
|
config: func(c *Cli, s *bool) {
|
||
|
|
c.Bool(BoolOpt{Name: "f", SetByUser: s})
|
||
|
|
},
|
||
|
|
args: []string{"test", "-f"},
|
||
|
|
expected: true,
|
||
|
|
},
|
||
|
|
|
||
|
|
// Int
|
||
|
|
{
|
||
|
|
desc: "Int Opt, not set by user, default value",
|
||
|
|
config: func(c *Cli, s *bool) {
|
||
|
|
c.Int(IntOpt{Name: "f", Value: 42, SetByUser: s})
|
||
|
|
},
|
||
|
|
args: []string{"test"},
|
||
|
|
expected: false,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
desc: "Int Opt, not set by user, env value",
|
||
|
|
config: func(c *Cli, s *bool) {
|
||
|
|
os.Setenv("MOW_VALUE", "33")
|
||
|
|
c.Int(IntOpt{Name: "f", EnvVar: "MOW_VALUE", SetByUser: s})
|
||
|
|
},
|
||
|
|
args: []string{"test"},
|
||
|
|
expected: false,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
desc: "Int Opt, set by user",
|
||
|
|
config: func(c *Cli, s *bool) {
|
||
|
|
c.Int(IntOpt{Name: "f", SetByUser: s})
|
||
|
|
},
|
||
|
|
args: []string{"test", "-f=666"},
|
||
|
|
expected: true,
|
||
|
|
},
|
||
|
|
|
||
|
|
// Ints
|
||
|
|
{
|
||
|
|
desc: "Ints Opt, not set by user, default value",
|
||
|
|
config: func(c *Cli, s *bool) {
|
||
|
|
c.Ints(IntsOpt{Name: "f", Value: []int{42}, SetByUser: s})
|
||
|
|
},
|
||
|
|
args: []string{"test"},
|
||
|
|
expected: false,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
desc: "Ints Opt, not set by user, env value",
|
||
|
|
config: func(c *Cli, s *bool) {
|
||
|
|
os.Setenv("MOW_VALUE", "11,22,33")
|
||
|
|
c.Ints(IntsOpt{Name: "f", EnvVar: "MOW_VALUE", SetByUser: s})
|
||
|
|
},
|
||
|
|
args: []string{"test"},
|
||
|
|
expected: false,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
desc: "Ints Opt, set by user",
|
||
|
|
config: func(c *Cli, s *bool) {
|
||
|
|
c.Ints(IntsOpt{Name: "f", SetByUser: s})
|
||
|
|
},
|
||
|
|
args: []string{"test", "-f=666"},
|
||
|
|
expected: true,
|
||
|
|
},
|
||
|
|
|
||
|
|
// Strings
|
||
|
|
{
|
||
|
|
desc: "Strings Opt, not set by user, default value",
|
||
|
|
config: func(c *Cli, s *bool) {
|
||
|
|
c.Strings(StringsOpt{Name: "f", Value: []string{"aaa"}, SetByUser: s})
|
||
|
|
},
|
||
|
|
args: []string{"test"},
|
||
|
|
expected: false,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
desc: "Strings Opt, not set by user, env value",
|
||
|
|
config: func(c *Cli, s *bool) {
|
||
|
|
os.Setenv("MOW_VALUE", "a,b,c")
|
||
|
|
c.Strings(StringsOpt{Name: "f", EnvVar: "MOW_VALUE", SetByUser: s})
|
||
|
|
},
|
||
|
|
args: []string{"test"},
|
||
|
|
expected: false,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
desc: "Strings Opt, set by user",
|
||
|
|
config: func(c *Cli, s *bool) {
|
||
|
|
c.Strings(StringsOpt{Name: "f", SetByUser: s})
|
||
|
|
},
|
||
|
|
args: []string{"test", "-f=ccc"},
|
||
|
|
expected: true,
|
||
|
|
},
|
||
|
|
}
|
||
|
|
|
||
|
|
for _, cas := range cases {
|
||
|
|
t.Log(cas.desc)
|
||
|
|
|
||
|
|
setByUser := false
|
||
|
|
app := App("test", "")
|
||
|
|
|
||
|
|
cas.config(app, &setByUser)
|
||
|
|
|
||
|
|
called := false
|
||
|
|
app.Action = func() {
|
||
|
|
called = true
|
||
|
|
}
|
||
|
|
|
||
|
|
app.Run(cas.args)
|
||
|
|
|
||
|
|
require.True(t, called, "action should have been called")
|
||
|
|
require.Equal(t, cas.expected, setByUser)
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestArgSetByUser(t *testing.T) {
|
||
|
|
cases := []struct {
|
||
|
|
desc string
|
||
|
|
config func(*Cli, *bool)
|
||
|
|
args []string
|
||
|
|
expected bool
|
||
|
|
}{
|
||
|
|
// ARGS
|
||
|
|
// String
|
||
|
|
{
|
||
|
|
desc: "String Arg, not set by user, default value",
|
||
|
|
config: func(c *Cli, s *bool) {
|
||
|
|
c.Spec = "[ARG]"
|
||
|
|
c.String(StringArg{Name: "ARG", Value: "a", SetByUser: s})
|
||
|
|
},
|
||
|
|
args: []string{"test"},
|
||
|
|
expected: false,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
desc: "String Arg, not set by user, env value",
|
||
|
|
config: func(c *Cli, s *bool) {
|
||
|
|
c.Spec = "[ARG]"
|
||
|
|
os.Setenv("MOW_VALUE", "value")
|
||
|
|
c.String(StringArg{Name: "ARG", EnvVar: "MOW_VALUE", SetByUser: s})
|
||
|
|
},
|
||
|
|
args: []string{"test"},
|
||
|
|
expected: false,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
desc: "String Arg, set by user",
|
||
|
|
config: func(c *Cli, s *bool) {
|
||
|
|
c.Spec = "[ARG]"
|
||
|
|
c.String(StringArg{Name: "ARG", Value: "a", SetByUser: s})
|
||
|
|
},
|
||
|
|
args: []string{"test", "aaa"},
|
||
|
|
expected: true,
|
||
|
|
},
|
||
|
|
|
||
|
|
// Bool
|
||
|
|
{
|
||
|
|
desc: "Bool Arg, not set by user, default value",
|
||
|
|
config: func(c *Cli, s *bool) {
|
||
|
|
c.Spec = "[ARG]"
|
||
|
|
c.Bool(BoolArg{Name: "ARG", Value: true, SetByUser: s})
|
||
|
|
},
|
||
|
|
args: []string{"test"},
|
||
|
|
expected: false,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
desc: "Bool Arg, not set by user, env value",
|
||
|
|
config: func(c *Cli, s *bool) {
|
||
|
|
c.Spec = "[ARG]"
|
||
|
|
os.Setenv("MOW_VALUE", "true")
|
||
|
|
c.Bool(BoolArg{Name: "ARG", EnvVar: "MOW_VALUE", SetByUser: s})
|
||
|
|
},
|
||
|
|
args: []string{"test"},
|
||
|
|
expected: false,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
desc: "Bool Arg, set by user",
|
||
|
|
config: func(c *Cli, s *bool) {
|
||
|
|
c.Spec = "[ARG]"
|
||
|
|
c.Bool(BoolArg{Name: "ARG", SetByUser: s})
|
||
|
|
},
|
||
|
|
args: []string{"test", "true"},
|
||
|
|
expected: true,
|
||
|
|
},
|
||
|
|
|
||
|
|
// Int
|
||
|
|
{
|
||
|
|
desc: "Int Arg, not set by user, default value",
|
||
|
|
config: func(c *Cli, s *bool) {
|
||
|
|
c.Spec = "[ARG]"
|
||
|
|
c.Int(IntArg{Name: "ARG", Value: 42, SetByUser: s})
|
||
|
|
},
|
||
|
|
args: []string{"test"},
|
||
|
|
expected: false,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
desc: "Int Arg, not set by user, env value",
|
||
|
|
config: func(c *Cli, s *bool) {
|
||
|
|
c.Spec = "[ARG]"
|
||
|
|
os.Setenv("MOW_VALUE", "33")
|
||
|
|
c.Int(IntArg{Name: "ARG", EnvVar: "MOW_VALUE", SetByUser: s})
|
||
|
|
},
|
||
|
|
args: []string{"test"},
|
||
|
|
expected: false,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
desc: "Int Arg, set by user",
|
||
|
|
config: func(c *Cli, s *bool) {
|
||
|
|
c.Spec = "[ARG]"
|
||
|
|
c.Int(IntArg{Name: "ARG", SetByUser: s})
|
||
|
|
},
|
||
|
|
args: []string{"test", "666"},
|
||
|
|
expected: true,
|
||
|
|
},
|
||
|
|
|
||
|
|
// Ints
|
||
|
|
{
|
||
|
|
desc: "Ints Arg, not set by user, default value",
|
||
|
|
config: func(c *Cli, s *bool) {
|
||
|
|
c.Spec = "[ARG...]"
|
||
|
|
c.Ints(IntsArg{Name: "ARG", Value: []int{42}, SetByUser: s})
|
||
|
|
},
|
||
|
|
args: []string{"test"},
|
||
|
|
expected: false,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
desc: "Ints Arg, not set by user, env value",
|
||
|
|
config: func(c *Cli, s *bool) {
|
||
|
|
c.Spec = "[ARG...]"
|
||
|
|
os.Setenv("MOW_VALUE", "11,22,33")
|
||
|
|
c.Ints(IntsArg{Name: "ARG", EnvVar: "MOW_VALUE", SetByUser: s})
|
||
|
|
},
|
||
|
|
args: []string{"test"},
|
||
|
|
expected: false,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
desc: "Ints Arg, set by user",
|
||
|
|
config: func(c *Cli, s *bool) {
|
||
|
|
c.Spec = "[ARG...]"
|
||
|
|
c.Ints(IntsArg{Name: "ARG", SetByUser: s})
|
||
|
|
},
|
||
|
|
args: []string{"test", "333", "666"},
|
||
|
|
expected: true,
|
||
|
|
},
|
||
|
|
|
||
|
|
// Strings
|
||
|
|
{
|
||
|
|
desc: "Strings Arg, not set by user, default value",
|
||
|
|
config: func(c *Cli, s *bool) {
|
||
|
|
c.Spec = "[ARG...]"
|
||
|
|
c.Strings(StringsArg{Name: "ARG", Value: []string{"aaa"}, SetByUser: s})
|
||
|
|
},
|
||
|
|
args: []string{"test"},
|
||
|
|
expected: false,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
desc: "Strings Arg, not set by user, env value",
|
||
|
|
config: func(c *Cli, s *bool) {
|
||
|
|
c.Spec = "[ARG...]"
|
||
|
|
os.Setenv("MOW_VALUE", "a,b,c")
|
||
|
|
c.Strings(StringsArg{Name: "ARG", EnvVar: "MOW_VALUE", SetByUser: s})
|
||
|
|
},
|
||
|
|
args: []string{"test"},
|
||
|
|
expected: false,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
desc: "Strings Arg, set by user",
|
||
|
|
config: func(c *Cli, s *bool) {
|
||
|
|
c.Spec = "[ARG...]"
|
||
|
|
c.Strings(StringsArg{Name: "ARG", SetByUser: s})
|
||
|
|
},
|
||
|
|
args: []string{"test", "aaa", "ccc"},
|
||
|
|
expected: true,
|
||
|
|
},
|
||
|
|
}
|
||
|
|
|
||
|
|
for _, cas := range cases {
|
||
|
|
t.Log(cas.desc)
|
||
|
|
|
||
|
|
setByUser := false
|
||
|
|
app := App("test", "")
|
||
|
|
|
||
|
|
cas.config(app, &setByUser)
|
||
|
|
|
||
|
|
called := false
|
||
|
|
app.Action = func() {
|
||
|
|
called = true
|
||
|
|
}
|
||
|
|
|
||
|
|
app.Run(cas.args)
|
||
|
|
|
||
|
|
require.True(t, called, "action should have been called")
|
||
|
|
require.Equal(t, cas.expected, setByUser)
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestCommandAliases(t *testing.T) {
|
||
|
|
defer suppressOutput()()
|
||
|
|
|
||
|
|
cases := []struct {
|
||
|
|
args []string
|
||
|
|
errorExpected bool
|
||
|
|
}{
|
||
|
|
{
|
||
|
|
args: []string{"say", "hello"},
|
||
|
|
errorExpected: false,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
args: []string{"say", "hi"},
|
||
|
|
errorExpected: false,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
args: []string{"say", "hello hi"},
|
||
|
|
errorExpected: true,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
args: []string{"say", "hello", "hi"},
|
||
|
|
errorExpected: true,
|
||
|
|
},
|
||
|
|
}
|
||
|
|
|
||
|
|
for _, cas := range cases {
|
||
|
|
app := App("say", "")
|
||
|
|
app.ErrorHandling = flag.ContinueOnError
|
||
|
|
|
||
|
|
called := false
|
||
|
|
|
||
|
|
app.Command("hello hi", "", func(cmd *Cmd) {
|
||
|
|
cmd.Action = func() {
|
||
|
|
called = true
|
||
|
|
}
|
||
|
|
})
|
||
|
|
|
||
|
|
err := app.Run(cas.args)
|
||
|
|
|
||
|
|
if cas.errorExpected {
|
||
|
|
require.Error(t, err, "Run() should have returned with an error")
|
||
|
|
require.False(t, called, "action should not have been called")
|
||
|
|
} else {
|
||
|
|
require.NoError(t, err, "Run() should have returned without an error")
|
||
|
|
require.True(t, called, "action should have been called")
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestSubcommandAliases(t *testing.T) {
|
||
|
|
cases := []struct {
|
||
|
|
args []string
|
||
|
|
}{
|
||
|
|
{
|
||
|
|
args: []string{"app", "foo", "bar", "baz"},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
args: []string{"app", "foo", "bar", "z"},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
args: []string{"app", "foo", "b", "baz"},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
args: []string{"app", "f", "bar", "baz"},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
args: []string{"app", "f", "b", "baz"},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
args: []string{"app", "f", "b", "z"},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
args: []string{"app", "foo", "b", "z"},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
args: []string{"app", "f", "bar", "z"},
|
||
|
|
},
|
||
|
|
}
|
||
|
|
|
||
|
|
for _, cas := range cases {
|
||
|
|
app := App("app", "")
|
||
|
|
app.ErrorHandling = flag.ContinueOnError
|
||
|
|
|
||
|
|
called := false
|
||
|
|
|
||
|
|
app.Command("foo f", "", func(cmd *Cmd) {
|
||
|
|
cmd.Command("bar b", "", func(cmd *Cmd) {
|
||
|
|
cmd.Command("baz z", "", func(cmd *Cmd) {
|
||
|
|
cmd.Action = func() {
|
||
|
|
called = true
|
||
|
|
}
|
||
|
|
})
|
||
|
|
})
|
||
|
|
})
|
||
|
|
|
||
|
|
err := app.Run(cas.args)
|
||
|
|
|
||
|
|
require.NoError(t, err, "Run() should have returned without an error")
|
||
|
|
require.True(t, called, "action should have been called")
|
||
|
|
}
|
||
|
|
}
|