uquic/http3/error_codes_test.go
2022-10-11 16:38:44 +04:00

39 lines
1.2 KiB
Go

package http3
import (
"go/ast"
"go/parser"
"go/token"
"path"
"runtime"
"strconv"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
)
var _ = Describe("error codes", func() {
It("has a string representation for every error code", func() {
// 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)
if !ok {
panic("Failed to get current frame")
}
filename := path.Join(path.Dir(thisfile), "error_codes.go")
fileAst, err := parser.ParseFile(token.NewFileSet(), filename, nil, 0)
Expect(err).NotTo(HaveOccurred())
constSpecs := fileAst.Decls[2].(*ast.GenDecl).Specs
Expect(len(constSpecs)).To(BeNumerically(">", 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)
Expect(err).NotTo(HaveOccurred())
Expect(errorCode(val).String()).ToNot(Equal("unknown error code"))
}
})
It("has a string representation for unknown error codes", func() {
Expect(errorCode(0x1337).String()).To(Equal("unknown error code: 0x1337"))
})
})