52 lines
862 B
Go
52 lines
862 B
Go
package config
|
|
|
|
import (
|
|
"io/ioutil"
|
|
"path/filepath"
|
|
"reflect"
|
|
"testing"
|
|
)
|
|
|
|
func TestLex(t *testing.T) {
|
|
cases := []struct {
|
|
Input string
|
|
Output []int
|
|
}{
|
|
{
|
|
"concat.hcl",
|
|
[]int{IDENTIFIER, LEFTPAREN,
|
|
STRING, COMMA, STRING, COMMA, STRING,
|
|
RIGHTPAREN, lexEOF},
|
|
},
|
|
}
|
|
|
|
for _, tc := range cases {
|
|
d, err := ioutil.ReadFile(filepath.Join(
|
|
fixtureDir, "interpolations", tc.Input))
|
|
if err != nil {
|
|
t.Fatalf("err: %s", err)
|
|
}
|
|
|
|
l := &exprLex{Input: string(d)}
|
|
var actual []int
|
|
for {
|
|
token := l.Lex(new(exprSymType))
|
|
actual = append(actual, token)
|
|
|
|
if token == lexEOF {
|
|
break
|
|
}
|
|
|
|
if len(actual) > 500 {
|
|
t.Fatalf("Input:%s\n\nExausted.", tc.Input)
|
|
}
|
|
}
|
|
|
|
if !reflect.DeepEqual(actual, tc.Output) {
|
|
t.Fatalf(
|
|
"Input: %s\n\nBad: %#v\n\nExpected: %#v",
|
|
tc.Input, actual, tc.Output)
|
|
}
|
|
}
|
|
}
|