package altsrc import ( "flag" "github.com/urfave/cli/v2" "io/ioutil" "os" "testing" ) func TestCommandYamlFileTest(t *testing.T) { app := &cli.App{} set := flag.NewFlagSet("test", 0) _ = ioutil.WriteFile("current.yaml", []byte("test: 15"), 0666) defer os.Remove("current.yaml") test := []string{"test-cmd", "--load", "current.yaml"} _ = 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, NewYamlSourceFromFlagFunc("load")) err := command.Run(c) expect(t, err, nil) } func TestCommandYamlFileTestGlobalEnvVarWins(t *testing.T) { app := &cli.App{} set := flag.NewFlagSet("test", 0) _ = ioutil.WriteFile("current.yaml", []byte("test: 15"), 0666) defer os.Remove("current.yaml") _ = os.Setenv("THE_TEST", "10") defer os.Setenv("THE_TEST", "") test := []string{"test-cmd", "--load", "current.yaml"} _ = 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", EnvVars: []string{"THE_TEST"}}), &cli.StringFlag{Name: "load"}}, } command.Before = InitInputSourceWithContext(command.Flags, NewYamlSourceFromFlagFunc("load")) err := command.Run(c) expect(t, err, nil) } func TestCommandYamlFileTestGlobalEnvVarWinsNested(t *testing.T) { app := &cli.App{} set := flag.NewFlagSet("test", 0) _ = ioutil.WriteFile("current.yaml", []byte(`top: test: 15`), 0666) defer os.Remove("current.yaml") _ = os.Setenv("THE_TEST", "10") defer os.Setenv("THE_TEST", "") test := []string{"test-cmd", "--load", "current.yaml"} _ = 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", EnvVars: []string{"THE_TEST"}}), &cli.StringFlag{Name: "load"}}, } command.Before = InitInputSourceWithContext(command.Flags, NewYamlSourceFromFlagFunc("load")) err := command.Run(c) expect(t, err, nil) } func TestCommandYamlFileTestSpecifiedFlagWins(t *testing.T) { app := &cli.App{} set := flag.NewFlagSet("test", 0) _ = ioutil.WriteFile("current.yaml", []byte("test: 15"), 0666) defer os.Remove("current.yaml") test := []string{"test-cmd", "--load", "current.yaml", "--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, NewYamlSourceFromFlagFunc("load")) err := command.Run(c) expect(t, err, nil) } func TestCommandYamlFileTestSpecifiedFlagWinsNested(t *testing.T) { app := &cli.App{} set := flag.NewFlagSet("test", 0) _ = ioutil.WriteFile("current.yaml", []byte(`top: test: 15`), 0666) defer os.Remove("current.yaml") test := []string{"test-cmd", "--load", "current.yaml", "--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, NewYamlSourceFromFlagFunc("load")) err := command.Run(c) expect(t, err, nil) } func TestCommandYamlFileTestDefaultValueFileWins(t *testing.T) { app := &cli.App{} set := flag.NewFlagSet("test", 0) _ = ioutil.WriteFile("current.yaml", []byte("test: 15"), 0666) defer os.Remove("current.yaml") test := []string{"test-cmd", "--load", "current.yaml"} _ = 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, NewYamlSourceFromFlagFunc("load")) err := command.Run(c) expect(t, err, nil) } func TestCommandYamlFileTestDefaultValueFileWinsNested(t *testing.T) { app := &cli.App{} set := flag.NewFlagSet("test", 0) _ = ioutil.WriteFile("current.yaml", []byte(`top: test: 15`), 0666) defer os.Remove("current.yaml") test := []string{"test-cmd", "--load", "current.yaml"} _ = 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, NewYamlSourceFromFlagFunc("load")) err := command.Run(c) expect(t, err, nil) } func TestCommandYamlFileFlagHasDefaultGlobalEnvYamlSetGlobalEnvWins(t *testing.T) { app := &cli.App{} set := flag.NewFlagSet("test", 0) _ = ioutil.WriteFile("current.yaml", []byte("test: 15"), 0666) defer os.Remove("current.yaml") _ = os.Setenv("THE_TEST", "11") defer os.Setenv("THE_TEST", "") test := []string{"test-cmd", "--load", "current.yaml"} _ = 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, EnvVars: []string{"THE_TEST"}}), &cli.StringFlag{Name: "load"}}, } command.Before = InitInputSourceWithContext(command.Flags, NewYamlSourceFromFlagFunc("load")) err := command.Run(c) expect(t, err, nil) } func TestCommandYamlFileFlagHasDefaultGlobalEnvYamlSetGlobalEnvWinsNested(t *testing.T) { app := &cli.App{} set := flag.NewFlagSet("test", 0) _ = ioutil.WriteFile("current.yaml", []byte(`top: test: 15`), 0666) defer os.Remove("current.yaml") _ = os.Setenv("THE_TEST", "11") defer os.Setenv("THE_TEST", "") test := []string{"test-cmd", "--load", "current.yaml"} _ = 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, EnvVars: []string{"THE_TEST"}}), &cli.StringFlag{Name: "load"}}, } command.Before = InitInputSourceWithContext(command.Flags, NewYamlSourceFromFlagFunc("load")) err := command.Run(c) expect(t, err, nil) }