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package main
import (
"github.com/docopt/docopt-go"
"reflect"
"testing"
)
var usage = `Usage:
nettool tcp <host> <port> [--timeout=<seconds>]
nettool serial <port> [--baud=9600] [--timeout=<seconds>]
nettool -h | --help | --version`
// List of test cases
var usageTestTable = []struct {
argv []string // Given command line args
validArgs bool // Are they supposed to be valid?
opts docopt.Opts // Expected options parsed
}{
{
[]string{"tcp", "myhost.com", "8080", "--timeout=20"},
true,
docopt.Opts{
"--baud": nil,
"--help": false,
"--timeout": "20",
"--version": false,
"-h": false,
"<host>": "myhost.com",
"<port>": "8080",
"serial": false,
"tcp": true,
},
},
{
[]string{"serial", "1234", "--baud=14400"},
true,
docopt.Opts{
"--baud": "14400",
"--help": false,
"--timeout": nil,
"--version": false,
"-h": false,
"<host>": nil,
"<port>": "1234",
"serial": true,
"tcp": false,
},
},
{
[]string{"foo", "bar", "dog"},
false,
docopt.Opts{},
},
}
func TestUsage(t *testing.T) {
for _, tt := range usageTestTable {
validArgs := true
parser := &docopt.Parser{
HelpHandler: func(err error, usage string) {
if err != nil {
validArgs = false // Triggered usage, args were invalid.
}
},
}
opts, err := parser.ParseArgs(usage, tt.argv, "")
if validArgs != tt.validArgs {
t.Fail()
}
if tt.validArgs && err != nil {
t.Fail()
}
if tt.validArgs && !reflect.DeepEqual(opts, tt.opts) {
t.Errorf("result (1) doesn't match expected (2) \n%v \n%v", opts, tt.opts)
}
}
}
|
