scalar_ref_test.go RawHistoryFolder

1// SPDX-License-Identifier: MIT
2
3package template
4
5import (
6	"encoding/json"
7	"fmt"
8	"math"
9	"os"
10	"testing"
11)
12
13// TestPlainScalarsAgainstReference compares how plain scalars are typed with
14// the JavaScript yaml library the reference uses. testdata/scalars.json is
15// generated by gen/scalars.mjs.
16func TestPlainScalarsAgainstReference(t *testing.T) {
17	data, err := os.ReadFile("testdata/scalars.json")
18	if err != nil {
19		t.Fatal(err)
20	}
21	var want map[string]string
22	if err := json.Unmarshal(data, &want); err != nil {
23		t.Fatal(err)
24	}
25	for src, w := range want {
26		res := readYAMLDocument("f.yml", []byte("k: "+src+"\n"), false)
27		if w == "ERR" {
28			continue
29		}
30		if len(res.errs) > 0 {
31			t.Errorf("%q: error %v, reference %s", src, res.errs[0], w)
32			continue
33		}
34		var got string
35		switch v := res.root.vals[0].lit.(type) {
36		case *Null:
37			got = "null"
38		case *Number:
39			if math.IsNaN(v.Value) {
40				got = "num:NaN"
41			} else {
42				got = "num:" + JSNumberString(v.Value)
43			}
44		case *Boolean:
45			got = fmt.Sprintf("bool:%v", v.Value)
46		case *String:
47			got = "str:" + v.Value
48		}
49		if got != w {
50			t.Errorf("%q: got %s, reference %s", src, got, w)
51		}
52	}
53}