kevinschoon-pomo/vendor/github.com/jawher/mow.cli/cli_test.go

1107 lines
26 KiB
Go

package cli
import (
"flag"
"github.com/stretchr/testify/require"
"io/ioutil"
"os"
"testing"
)
func TestTheCpCase(t *testing.T) {
app := App("cp", "")
app.Spec = "SRC... DST"
src := app.Strings(StringsArg{Name: "SRC", Value: nil, Desc: ""})
dst := app.String(StringArg{Name: "DST", Value: "", Desc: ""})
ex := false
app.Action = func() {
ex = true
}
app.Run([]string{"cp", "x", "y", "z"})
require.Equal(t, []string{"x", "y"}, *src)
require.Equal(t, "z", *dst)
require.True(t, ex, "Exec wasn't called")
}
func TestImplicitSpec(t *testing.T) {
app := App("test", "")
x := app.Bool(BoolOpt{Name: "x", Value: false, Desc: ""})
y := app.String(StringOpt{Name: "y", Value: "", Desc: ""})
called := false
app.Action = func() {
called = true
}
app.ErrorHandling = flag.ContinueOnError
err := app.Run([]string{"test", "-x", "-y", "hello"})
require.Nil(t, err)
require.True(t, *x)
require.Equal(t, "hello", *y)
require.True(t, called, "Exec wasn't called")
}
func TestAppWithBoolOption(t *testing.T) {
cases := []struct {
args []string
expectedOptValue bool
}{
{[]string{"app"}, false},
{[]string{"app", "-o"}, true},
{[]string{"app", "-o=true"}, true},
{[]string{"app", "-o=false"}, false},
{[]string{"app", "--option"}, true},
{[]string{"app", "--option=true"}, true},
{[]string{"app", "--option=false"}, false},
}
for _, cas := range cases {
t.Logf("Testing %#v", cas.args)
app := App("app", "")
app.ErrorHandling = flag.ContinueOnError
opt := app.BoolOpt("o option", false, "")
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 TestAppWithStringOption(t *testing.T) {
cases := []struct {
args []string
expectedOptValue string
}{
{[]string{"app"}, "default"},
{[]string{"app", "-o", "user"}, "user"},
{[]string{"app", "-o=user"}, "user"},
{[]string{"app", "--option", "user"}, "user"},
{[]string{"app", "--option=user"}, "user"},
}
for _, cas := range cases {
t.Logf("Testing %#v", cas.args)
app := App("app", "")
app.ErrorHandling = flag.ContinueOnError
opt := app.StringOpt("o option", "default", "")
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 TestAppWithIntOption(t *testing.T) {
cases := []struct {
args []string
expectedOptValue int
}{
{[]string{"app"}, 3},
{[]string{"app", "-o", "16"}, 16},
{[]string{"app", "-o=16"}, 16},
{[]string{"app", "--option", "16"}, 16},
{[]string{"app", "--option=16"}, 16},
}
for _, cas := range cases {
t.Logf("Testing %#v", cas.args)
app := App("app", "")
app.ErrorHandling = flag.ContinueOnError
opt := app.IntOpt("o option", 3, "")
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 TestAppWithStringsOption(t *testing.T) {
cases := []struct {
args []string
expectedOptValue []string
}{
{[]string{"app"}, []string{"a", "b"}},
{[]string{"app", "-o", "x"}, []string{"x"}},
{[]string{"app", "-o", "x", "-o=y"}, []string{"x", "y"}},
{[]string{"app", "--option", "x"}, []string{"x"}},
{[]string{"app", "--option", "x", "--option=y"}, []string{"x", "y"}},
}
for _, cas := range cases {
t.Logf("Testing %#v", cas.args)
app := App("app", "")
app.ErrorHandling = flag.ContinueOnError
opt := app.StringsOpt("o option", []string{"a", "b"}, "")
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 TestAppWithIntsOption(t *testing.T) {
cases := []struct {
args []string
expectedOptValue []int
}{
{[]string{"app"}, []int{1, 2}},
{[]string{"app", "-o", "10"}, []int{10}},
{[]string{"app", "-o", "10", "-o=11"}, []int{10, 11}},
{[]string{"app", "--option", "10"}, []int{10}},
{[]string{"app", "--option", "10", "--option=11"}, []int{10, 11}},
}
for _, cas := range cases {
t.Logf("Testing %#v", cas.args)
app := App("app", "")
app.ErrorHandling = flag.ContinueOnError
opt := app.IntsOpt("o option", []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 TestAppWithBoolArg(t *testing.T) {
cases := []struct {
args []string
expectedOptValue bool
}{
{[]string{"app"}, false},
{[]string{"app", "true"}, true},
{[]string{"app", "false"}, false},
}
for _, cas := range cases {
t.Logf("Testing %#v", cas.args)
app := App("app", "")
app.Spec = "[ARG]"
app.ErrorHandling = flag.ContinueOnError
opt := app.BoolArg("ARG", false, "")
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 TestAppWithStringArg(t *testing.T) {
cases := []struct {
args []string
expectedOptValue string
}{
{[]string{"app"}, "default"},
{[]string{"app", "user"}, "user"},
}
for _, cas := range cases {
t.Logf("Testing %#v", cas.args)
app := App("app", "")
app.Spec = "[ARG]"
app.ErrorHandling = flag.ContinueOnError
opt := app.StringArg("ARG", "default", "")
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 TestAppWithIntArg(t *testing.T) {
cases := []struct {
args []string
expectedOptValue int
}{
{[]string{"app"}, 3},
{[]string{"app", "16"}, 16},
}
for _, cas := range cases {
t.Logf("Testing %#v", cas.args)
app := App("app", "")
app.Spec = "[ARG]"
app.ErrorHandling = flag.ContinueOnError
opt := app.IntArg("ARG", 3, "")
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 TestAppWithStringsArg(t *testing.T) {
cases := []struct {
args []string
expectedOptValue []string
}{
{[]string{"app"}, []string{"a", "b"}},
{[]string{"app", "x"}, []string{"x"}},
{[]string{"app", "x", "y"}, []string{"x", "y"}},
}
for _, cas := range cases {
t.Logf("Testing %#v", cas.args)
app := App("app", "")
app.Spec = "[ARG...]"
app.ErrorHandling = flag.ContinueOnError
opt := app.StringsArg("ARG", []string{"a", "b"}, "")
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 TestAppWithIntsArg(t *testing.T) {
cases := []struct {
args []string
expectedOptValue []int
}{
{[]string{"app"}, []int{1, 2}},
{[]string{"app", "10"}, []int{10}},
{[]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"
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")
}
}