1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
package http3
import (
"go/ast"
"go/parser"
"go/token"
"path"
"runtime"
"strconv"
"testing"
"github.com/stretchr/testify/require"
)
func TestErrorCodes(t *testing.T) {
// We parse the error code file, extract all constants, and verify that
// each of them has a string version. Go FTW!
_, thisfile, _, ok := runtime.Caller(0)
require.True(t, ok, "Failed to get current frame")
filename := path.Join(path.Dir(thisfile), "error_codes.go")
fileAst, err := parser.ParseFile(token.NewFileSet(), filename, nil, 0)
require.NoError(t, err)
constSpecs := fileAst.Decls[2].(*ast.GenDecl).Specs
require.Greater(t, len(constSpecs), 4) // at time of writing
for _, c := range constSpecs {
valString := c.(*ast.ValueSpec).Values[0].(*ast.BasicLit).Value
val, err := strconv.ParseInt(valString, 0, 64)
require.NoError(t, err)
require.NotEqual(t, "unknown error code", ErrCode(val).String())
}
// Test unknown error code
require.Equal(t, "unknown error code: 0x1337", ErrCode(0x1337).String())
}
|
