feat(cli): Move version to its own command

cmd/radarr/cmd_version.go

@@ -0,0 +1,42 @@
+package main
+
+import (
+	"fmt"
+	"runtime"
+
+	"github.com/urfave/cli/v2"
+)
+
+var versionCommand *cli.Command = &cli.Command{
+	Name:     "version",
+	Usage:    "Print version",
+	HideHelp: true,
+	Action:   showVersion,
+}
+
+type version struct {
+	GOOS    string `json:"GOOS"`
+	GOARCH  string `json:"GOARCH"`
+	Version string `json:"version"`
+	Runtime string `json:"runtime"`
+}
+
+func (v *version) String() string {
+	return fmt.Sprintf("radarr %s compiled with %v on %v/%v", v.Version, v.Runtime, v.GOOS, v.GOARCH)
+}
+
+var v *version = &version{
+	GOARCH:  runtime.GOARCH,
+	GOOS:    runtime.GOOS,
+	Runtime: runtime.Version(),
+	Version: Version,
+}
+
+func init() {
+	app.Commands = append(app.Commands, versionCommand)
+}
+
+func showVersion(*cli.Context) error {
+	fmt.Printf("radarr %s compiled with %v on %v/%v\n", Version, runtime.Version(), runtime.GOOS, runtime.GOARCH)
+	return nil
+}

cmd/radarr/cmd_version_test.go

@@ -0,0 +1,75 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"runtime"
+	"testing"
+
+	"github.com/kami-zh/go-capturer"
+	"github.com/urfave/cli/v2"
+)
+
+func Test_version_String(t *testing.T) {
+	type fields struct {
+		GOOS    string
+		GOARCH  string
+		Version string
+		Runtime string
+	}
+	tests := []struct {
+		name   string
+		fields fields
+		want   string
+	}{
+		{
+			name:   "Format is well",
+			fields: fields{GOARCH: "foo", GOOS: "bar", Runtime: "1", Version: "0"},
+			want:   "radarr 0 compiled with 1 on bar/foo",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			v := &version{
+				GOOS:    tt.fields.GOOS,
+				GOARCH:  tt.fields.GOARCH,
+				Version: tt.fields.Version,
+				Runtime: tt.fields.Runtime,
+			}
+			if got := v.String(); got != tt.want {
+				t.Errorf("version.String() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func Test_showVersion(t *testing.T) {
+	// TODO: Need help to test the --json flag
+	var c *cli.Context = cli.NewContext(cli.NewApp(), flag.CommandLine, nil)
+	tests := []struct {
+		name    string
+		c       *cli.Context
+		wantErr bool
+		out     string
+	}{
+		{
+			name:    "Plain",
+			wantErr: false,
+			c:       c,
+			out:     fmt.Sprintf("radarr %s compiled with %v on %v/%v\n", Version, runtime.Version(), runtime.GOOS, runtime.GOARCH),
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			out := capturer.CaptureStdout(func() {
+				if err := showVersion(tt.c); (err != nil) != tt.wantErr {
+					t.Errorf("showVersion() error = %v, wantErr %v", err, tt.wantErr)
+				}
+			})
+
+			if out != tt.out {
+				t.Errorf("showVersion() error = %v, want %v", out, tt.out)
+			}
+		})
+	}
+}

go.mod

@@ -3,6 +3,7 @@ module github.com/SkYNewZ/radarr
 go 1.14
 
 require (
+	github.com/kami-zh/go-capturer v0.0.0-20171211120116-e492ea43421d
 	github.com/olekukonko/tablewriter v0.0.4
 	github.com/urfave/cli/v2 v2.2.0
 )

go.sum

@@ -1,6 +1,8 @@
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d h1:U+s90UTSYgptZMwQh2aRr3LuazLJIa+Pg3Kc1ylSYVY=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
+github.com/kami-zh/go-capturer v0.0.0-20171211120116-e492ea43421d h1:cVtBfNW5XTHiKQe7jDaDBSh/EVM4XLPutLAGboIXuM0=
+github.com/kami-zh/go-capturer v0.0.0-20171211120116-e492ea43421d/go.mod h1:P2viExyCEfeWGU259JnaQ34Inuec4R38JCyBx2edgD0=
 github.com/mattn/go-runewidth v0.0.7 h1:Ei8KR0497xHyKJPAv59M1dkC+rOZCMBJ+t3fZ+twI54=
 github.com/mattn/go-runewidth v0.0.7/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
 github.com/olekukonko/tablewriter v0.0.4 h1:vHD/YYe1Wolo78koG299f7V/VAS08c6IpCLn+Ejf/w8=