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toml_command_test.go
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toml_command_test.go
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// Disabling building of toml support in cases where golang is 1.0 or 1.1
// as the encoding library is not implemented or supported.
// +build go1.2
package altsrc
import (
"flag"
"io/ioutil"
"os"
"testing"
"gopkg.in/urfave/cli.v1"
)
func TestCommandTomFileTest(t *testing.T) {
app := cli.NewApp()
set := flag.NewFlagSet("test", 0)
ioutil.WriteFile("current.toml", []byte("test = 15"), 0666)
defer os.Remove("current.toml")
test := []string{"test-cmd", "--load", "current.toml"}
set.Parse(test)
c := cli.NewContext(app, set, nil)
command := &cli.Command{
Name: "test-cmd",
Aliases: []string{"tc"},
Usage: "this is for testing",
Description: "testing",
Action: func(c *cli.Context) error {
val := c.Int("test")
expect(t, val, 15)
return nil
},
Flags: []cli.Flag{
NewIntFlag(cli.IntFlag{Name: "test"}),
cli.StringFlag{Name: "load"}},
}
command.Before = InitInputSourceWithContext(command.Flags, NewTomlSourceFromFlagFunc("load"))
err := command.Run(c)
expect(t, err, nil)
}
func TestCommandTomlFileTestGlobalEnvVarWins(t *testing.T) {
app := cli.NewApp()
set := flag.NewFlagSet("test", 0)
ioutil.WriteFile("current.toml", []byte("test = 15"), 0666)
defer os.Remove("current.toml")
os.Setenv("THE_TEST", "10")
defer os.Setenv("THE_TEST", "")
test := []string{"test-cmd", "--load", "current.toml"}
set.Parse(test)
c := cli.NewContext(app, set, nil)
command := &cli.Command{
Name: "test-cmd",
Aliases: []string{"tc"},
Usage: "this is for testing",
Description: "testing",
Action: func(c *cli.Context) error {
val := c.Int("test")
expect(t, val, 10)
return nil
},
Flags: []cli.Flag{
NewIntFlag(cli.IntFlag{Name: "test", EnvVar: "THE_TEST"}),
cli.StringFlag{Name: "load"}},
}
command.Before = InitInputSourceWithContext(command.Flags, NewTomlSourceFromFlagFunc("load"))
err := command.Run(c)
expect(t, err, nil)
}
func TestCommandTomlFileTestGlobalEnvVarWinsNested(t *testing.T) {
app := cli.NewApp()
set := flag.NewFlagSet("test", 0)
ioutil.WriteFile("current.toml", []byte("[top]\ntest = 15"), 0666)
defer os.Remove("current.toml")
os.Setenv("THE_TEST", "10")
defer os.Setenv("THE_TEST", "")
test := []string{"test-cmd", "--load", "current.toml"}
set.Parse(test)
c := cli.NewContext(app, set, nil)
command := &cli.Command{
Name: "test-cmd",
Aliases: []string{"tc"},
Usage: "this is for testing",
Description: "testing",
Action: func(c *cli.Context) error {
val := c.Int("top.test")
expect(t, val, 10)
return nil
},
Flags: []cli.Flag{
NewIntFlag(cli.IntFlag{Name: "top.test", EnvVar: "THE_TEST"}),
cli.StringFlag{Name: "load"}},
}
command.Before = InitInputSourceWithContext(command.Flags, NewTomlSourceFromFlagFunc("load"))
err := command.Run(c)
expect(t, err, nil)
}
func TestCommandTomlFileTestSpecifiedFlagWins(t *testing.T) {
app := cli.NewApp()
set := flag.NewFlagSet("test", 0)
ioutil.WriteFile("current.toml", []byte("test = 15"), 0666)
defer os.Remove("current.toml")
test := []string{"test-cmd", "--load", "current.toml", "--test", "7"}
set.Parse(test)
c := cli.NewContext(app, set, nil)
command := &cli.Command{
Name: "test-cmd",
Aliases: []string{"tc"},
Usage: "this is for testing",
Description: "testing",
Action: func(c *cli.Context) error {
val := c.Int("test")
expect(t, val, 7)
return nil
},
Flags: []cli.Flag{
NewIntFlag(cli.IntFlag{Name: "test"}),
cli.StringFlag{Name: "load"}},
}
command.Before = InitInputSourceWithContext(command.Flags, NewTomlSourceFromFlagFunc("load"))
err := command.Run(c)
expect(t, err, nil)
}
func TestCommandTomlFileTestSpecifiedFlagWinsNested(t *testing.T) {
app := cli.NewApp()
set := flag.NewFlagSet("test", 0)
ioutil.WriteFile("current.toml", []byte(`[top]
test = 15`), 0666)
defer os.Remove("current.toml")
test := []string{"test-cmd", "--load", "current.toml", "--top.test", "7"}
set.Parse(test)
c := cli.NewContext(app, set, nil)
command := &cli.Command{
Name: "test-cmd",
Aliases: []string{"tc"},
Usage: "this is for testing",
Description: "testing",
Action: func(c *cli.Context) error {
val := c.Int("top.test")
expect(t, val, 7)
return nil
},
Flags: []cli.Flag{
NewIntFlag(cli.IntFlag{Name: "top.test"}),
cli.StringFlag{Name: "load"}},
}
command.Before = InitInputSourceWithContext(command.Flags, NewTomlSourceFromFlagFunc("load"))
err := command.Run(c)
expect(t, err, nil)
}
func TestCommandTomlFileTestDefaultValueFileWins(t *testing.T) {
app := cli.NewApp()
set := flag.NewFlagSet("test", 0)
ioutil.WriteFile("current.toml", []byte("test = 15"), 0666)
defer os.Remove("current.toml")
test := []string{"test-cmd", "--load", "current.toml"}
set.Parse(test)
c := cli.NewContext(app, set, nil)
command := &cli.Command{
Name: "test-cmd",
Aliases: []string{"tc"},
Usage: "this is for testing",
Description: "testing",
Action: func(c *cli.Context) error {
val := c.Int("test")
expect(t, val, 15)
return nil
},
Flags: []cli.Flag{
NewIntFlag(cli.IntFlag{Name: "test", Value: 7}),
cli.StringFlag{Name: "load"}},
}
command.Before = InitInputSourceWithContext(command.Flags, NewTomlSourceFromFlagFunc("load"))
err := command.Run(c)
expect(t, err, nil)
}
func TestCommandTomlFileTestDefaultValueFileWinsNested(t *testing.T) {
app := cli.NewApp()
set := flag.NewFlagSet("test", 0)
ioutil.WriteFile("current.toml", []byte("[top]\ntest = 15"), 0666)
defer os.Remove("current.toml")
test := []string{"test-cmd", "--load", "current.toml"}
set.Parse(test)
c := cli.NewContext(app, set, nil)
command := &cli.Command{
Name: "test-cmd",
Aliases: []string{"tc"},
Usage: "this is for testing",
Description: "testing",
Action: func(c *cli.Context) error {
val := c.Int("top.test")
expect(t, val, 15)
return nil
},
Flags: []cli.Flag{
NewIntFlag(cli.IntFlag{Name: "top.test", Value: 7}),
cli.StringFlag{Name: "load"}},
}
command.Before = InitInputSourceWithContext(command.Flags, NewTomlSourceFromFlagFunc("load"))
err := command.Run(c)
expect(t, err, nil)
}
func TestCommandTomlFileFlagHasDefaultGlobalEnvTomlSetGlobalEnvWins(t *testing.T) {
app := cli.NewApp()
set := flag.NewFlagSet("test", 0)
ioutil.WriteFile("current.toml", []byte("test = 15"), 0666)
defer os.Remove("current.toml")
os.Setenv("THE_TEST", "11")
defer os.Setenv("THE_TEST", "")
test := []string{"test-cmd", "--load", "current.toml"}
set.Parse(test)
c := cli.NewContext(app, set, nil)
command := &cli.Command{
Name: "test-cmd",
Aliases: []string{"tc"},
Usage: "this is for testing",
Description: "testing",
Action: func(c *cli.Context) error {
val := c.Int("test")
expect(t, val, 11)
return nil
},
Flags: []cli.Flag{
NewIntFlag(cli.IntFlag{Name: "test", Value: 7, EnvVar: "THE_TEST"}),
cli.StringFlag{Name: "load"}},
}
command.Before = InitInputSourceWithContext(command.Flags, NewTomlSourceFromFlagFunc("load"))
err := command.Run(c)
expect(t, err, nil)
}
func TestCommandTomlFileFlagHasDefaultGlobalEnvTomlSetGlobalEnvWinsNested(t *testing.T) {
app := cli.NewApp()
set := flag.NewFlagSet("test", 0)
ioutil.WriteFile("current.toml", []byte("[top]\ntest = 15"), 0666)
defer os.Remove("current.toml")
os.Setenv("THE_TEST", "11")
defer os.Setenv("THE_TEST", "")
test := []string{"test-cmd", "--load", "current.toml"}
set.Parse(test)
c := cli.NewContext(app, set, nil)
command := &cli.Command{
Name: "test-cmd",
Aliases: []string{"tc"},
Usage: "this is for testing",
Description: "testing",
Action: func(c *cli.Context) error {
val := c.Int("top.test")
expect(t, val, 11)
return nil
},
Flags: []cli.Flag{
NewIntFlag(cli.IntFlag{Name: "top.test", Value: 7, EnvVar: "THE_TEST"}),
cli.StringFlag{Name: "load"}},
}
command.Before = InitInputSourceWithContext(command.Flags, NewTomlSourceFromFlagFunc("load"))
err := command.Run(c)
expect(t, err, nil)
}

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