hcl/parser/parser_test.go
2015-10-16 22:57:56 +03:00

91 lines
2.0 KiB
Go

package parser
import (
"fmt"
"path/filepath"
"reflect"
"runtime"
"testing"
"github.com/fatih/hcl/scanner"
)
func TestParseType(t *testing.T) {
src := `foo = true`
p := New([]byte(src))
p.enableTrace = true
n, err := p.Parse()
if err != nil {
t.Fatal(err)
}
fmt.Printf("n = %+v\n", n)
Walk(n, func(node Node) bool {
fmt.Printf("node = %+v\n", node)
return true
})
}
func TestObjectKey(t *testing.T) {
keys := []struct {
exp []scanner.TokenType
src string
}{
{[]scanner.TokenType{scanner.IDENT}, `foo {}`},
{[]scanner.TokenType{scanner.IDENT}, `foo = {}`},
{[]scanner.TokenType{scanner.IDENT}, `foo = bar`},
{[]scanner.TokenType{scanner.IDENT}, `foo = 123`},
{[]scanner.TokenType{scanner.IDENT}, `foo = "${var.bar}`},
{[]scanner.TokenType{scanner.STRING}, `"foo" {}`},
{[]scanner.TokenType{scanner.STRING}, `"foo" = {}`},
{[]scanner.TokenType{scanner.STRING}, `"foo" = "${var.bar}`},
{[]scanner.TokenType{scanner.IDENT, scanner.IDENT}, `foo bar {}`},
{[]scanner.TokenType{scanner.IDENT, scanner.STRING}, `foo "bar" {}`},
{[]scanner.TokenType{scanner.STRING, scanner.IDENT}, `"foo" bar {}`},
{[]scanner.TokenType{scanner.IDENT, scanner.IDENT, scanner.IDENT}, `foo bar baz {}`},
}
for _, k := range keys {
p := New([]byte(k.src))
keys, err := p.parseObjectKey()
if err != nil {
t.Fatal(err)
}
tokens := []scanner.TokenType{}
for _, o := range keys {
tokens = append(tokens, o.token.Type)
}
equals(t, k.exp, tokens)
}
errKeys := []struct {
src string
}{
{`foo 12 {}`},
{`foo bar = {}`},
{`foo []`},
{`12 {}`},
}
for _, k := range errKeys {
p := New([]byte(k.src))
_, err := p.parseObjectKey()
if err == nil {
t.Errorf("case '%s' should give an error", k.src)
}
}
}
// equals fails the test if exp is not equal to act.
func equals(tb testing.TB, exp, act interface{}) {
if !reflect.DeepEqual(exp, act) {
_, file, line, _ := runtime.Caller(1)
fmt.Printf("\033[31m%s:%d:\n\n\texp: %#v\n\n\tgot: %#v\033[39m\n\n", filepath.Base(file), line, exp, act)
tb.FailNow()
}
}