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package fftoml_test
import (
"flag"
"fmt"
"reflect"
"strings"
"testing"
"time"
"github.com/peterbourgon/ff/v3"
"github.com/peterbourgon/ff/v3/fftest"
"github.com/peterbourgon/ff/v3/fftoml"
)
func TestParser(t *testing.T) {
t.Parallel()
for _, testcase := range []struct {
name string
file string
want fftest.Vars
}{
{
name: "empty input",
file: "testdata/empty.toml",
want: fftest.Vars{},
},
{
name: "basic KV pairs",
file: "testdata/basic.toml",
want: fftest.Vars{
S: "s",
I: 10,
F: 3.14e10,
B: true,
D: 5 * time.Second,
X: []string{"1", "a", "👍"},
},
},
{
name: "bad TOML file",
file: "testdata/bad.toml",
want: fftest.Vars{WantParseErrorString: "keys cannot contain { character"},
},
} {
t.Run(testcase.name, func(t *testing.T) {
fs, vars := fftest.Pair()
vars.ParseError = ff.Parse(fs, []string{},
ff.WithConfigFile(testcase.file),
ff.WithConfigFileParser(fftoml.Parser),
)
fftest.Compare(t, &testcase.want, vars)
})
}
}
func TestParser_WithTables(t *testing.T) {
t.Parallel()
for _, delim := range []string{
".",
"-",
} {
t.Run(fmt.Sprintf("delim=%q", delim), func(t *testing.T) {
var (
skey = strings.Join([]string{"string", "key"}, delim)
fkey = strings.Join([]string{"float", "nested", "key"}, delim)
xkey = strings.Join([]string{"strings", "nested", "key"}, delim)
sval string
fval float64
xval fftest.StringSlice
)
fs := flag.NewFlagSet("fftest", flag.ContinueOnError)
{
fs.StringVar(&sval, skey, "xxx", "string")
fs.Float64Var(&fval, fkey, 999, "float64")
fs.Var(&xval, xkey, "strings")
}
parseConfig := fftoml.New(fftoml.WithTableDelimiter(delim))
if err := ff.Parse(fs, []string{},
ff.WithConfigFile("testdata/table.toml"),
ff.WithConfigFileParser(parseConfig.Parse),
); err != nil {
t.Fatal(err)
}
if want, have := "a string", sval; want != have {
t.Errorf("string key: want %q, have %q", want, have)
}
if want, have := 1.23, fval; want != have {
t.Errorf("float nested key: want %v, have %v", want, have)
}
if want, have := (fftest.StringSlice{"one", "two", "three"}), xval; !reflect.DeepEqual(want, have) {
t.Errorf("strings nested key: want %v, have %v", want, have)
}
})
}
}
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