// Validate validates the provided data (d) against the provided schema (s).
func Validate(ctx types.Context, s, d []byte) error {
if ctx == nil {
log.StandardLogger().WithFields(log.Fields{
"schema": string(s),
"body": string(d),
}).Debug("validating schema")
} else {
ctx.WithFields(log.Fields{
"schema": string(s),
"body": string(d),
}).Debug("validating schema")
}
validator, err := getSchemaValidator(s)
if err != nil {
return err
}
if len(d) == 0 {
d = []byte("{}")
}
data, err := ucl.Parse(bytes.NewReader(d))
if err != nil {
return err
}
return validator.Validate(data)
}
func TestCompliance(t *testing.T) {
done := make(chan struct{})
go serveRemotes(t, done)
f, err := os.Open("draft04schema.json")
if err != nil {
t.Fatalf("Failed to open draft04schema.json: %s", err)
}
s, err := json.Parse(f)
f.Close()
if err != nil {
t.Fatalf("Failed to parse draft04schema.json: %s", err)
}
loader := NewLoader()
loader.Add(s)
loader.EnableNetworkAccess(true)
select {
case <-done:
t.Fatalf("HTTP server died")
default:
}
files, err := filepath.Glob("schema-tests/tests/draft4/*.json")
if err != nil {
t.Fatalf("Test files not found: %s", err)
}
testFiles(t, files, loader)
}
func testFiles(t *testing.T, files []string, loader *Loader) {
var passing, total, schemaErrors int
for _, file := range files {
f, err := os.Open(file)
if err != nil {
t.Fatalf("Failed to open %q: %s", file, err)
}
v, err := json.Parse(f)
f.Close()
if err != nil {
t.Fatalf("Failed to parse %q: %s", file, err)
}
tests, ok := v.(*json.Array)
if !ok {
t.Fatalf("Content of %q is not an array: %T", file, v)
}
for i, tt := range tests.Value {
test, ok := tt.(*json.Object)
if !ok {
t.Fatalf("Test %d in %q is not an object", i, file)
}
t.Logf(color.BlueString("=====> Testing %s, case %d: %s", file, i, test.Find("description")))
schema := test.Find("schema")
err := ValidateDraft04Schema(schema)
if err != nil {
t.Errorf(color.RedString("schema does not pass validation: %s", err))
schemaErrors++
}
v, _ := NewValidator(schema, loader) // not checking the error since schema is already validated
cases := test.Find("tests").(*json.Array)
for _, c := range cases.Value {
total++
case_ := c.(*json.Object)
valid := case_.Find("valid").(*json.Bool).Value
err := v.Validate(case_.Find("data"))
switch {
case err == nil && valid:
passing++
t.Logf("%s %s", color.GreenString("PASSED"), case_.Find("description"))
case err != nil && !valid:
passing++
t.Logf("%s %s: %s", color.GreenString("PASSED"), case_.Find("description"), err)
case err != nil && valid:
t.Errorf("%s %s: %s", color.RedString("FAILED"), case_.Find("description"), err)
case err == nil && !valid:
t.Errorf("%s %s", color.RedString("FAILED"), case_.Find("description"))
}
}
}
}
t.Logf("Passing %d out of %d tests (%g%%)", passing, total, float64(passing)/float64(total)*100)
if schemaErrors > 0 {
t.Logf("%d schemas failed validation", schemaErrors)
}
}
func getSchemaValidator(s []byte) (*schema.Validator, error) {
volSchema, err := ucl.Parse(bytes.NewReader(s))
if err != nil {
return nil, err
}
rootSchema, err := ucl.Parse(bytes.NewReader(jsonSchema))
if err != nil {
return nil, err
}
loader := schema.NewLoader()
if err := loader.Add(rootSchema); err != nil {
return nil, err
}
validator, err := schema.NewValidator(volSchema, loader)
if err != nil {
return nil, err
}
return validator, nil
}
// Get returns a schema identified with id.
func (l *Loader) Get(id string) (json.Value, error) {
s, found := l.cache[id]
if found {
return s, nil
}
if l.networkEnabled {
resp, err := http.Get(id)
if err != nil {
return nil, err
}
s, err := json.Parse(resp.Body)
resp.Body.Close()
if err != nil {
return nil, err
}
l.AddAs(s, id)
return s, nil
}
return nil, fmt.Errorf("schema %q is not present in the cache and fetching is disabled", id)
}
func main() {
flag.Parse()
if *schemaFile == "" || *inputFile == "" {
fmt.Fprintf(os.Stderr, "Need --schema and --input\n")
os.Exit(1)
}
f, err := os.Open(*schemaFile)
if err != nil {
fmt.Fprintf(os.Stderr, "Failed to open %q: %s\n", *schemaFile, err)
os.Exit(1)
}
s, err := json.Parse(f)
f.Close()
if err != nil {
fmt.Fprintf(os.Stderr, "Failed to read schema: %s\n", err)
os.Exit(1)
}
loader := schema.NewLoader()
loader.EnableNetworkAccess(*network)
if *extra != "" {
for _, file := range strings.Split(*extra, " ") {
f, err := os.Open(file)
if err != nil {
fmt.Fprintf(os.Stderr, "Failed to open %q: %s\n", file, err)
os.Exit(1)
}
s, err := json.Parse(f)
f.Close()
if err != nil {
fmt.Fprintf(os.Stderr, "Failed to parse %q: %s\n", file, err)
os.Exit(1)
}
loader.Add(s)
}
}
if !*skipDefaultSchema {
ds, err := json.Parse(bytes.NewBuffer(MustAsset("draft04schema.json")))
if err != nil {
fmt.Fprintf(os.Stderr, "Failed to parse embedded draft 04 schema: %s\n", err)
os.Exit(1)
}
// Just to be sure, schema.ParseDraft04Schema exercises different code path.
v, err := schema.NewValidator(ds, loader)
if err != nil {
fmt.Fprintf(os.Stderr, "Failed to create validator for draft04 schema, please file a bug: %s\n", err)
} else {
if err := v.Validate(s); err != nil {
fmt.Fprintln(os.Stderr, "If you see this message, please file a bug and attach the schema you're using.")
fmt.Fprintf(os.Stderr, "Warning: failed to validate %q with draft 04 schema: %s\n", *schemaFile, err)
}
}
}
validator, err := schema.NewValidator(s, loader)
if err != nil {
fmt.Fprintf(os.Stderr, "Failed to create validator: %s\n", err)
os.Exit(1)
}
f, err = os.Open(*inputFile)
if err != nil {
fmt.Fprintf(os.Stderr, "Failed to open input file: %s\n", err)
os.Exit(1)
}
defer f.Close()
data, err := json.Parse(f)
if err != nil {
fmt.Fprintf(os.Stderr, "Failed to parse input file: %s\n", err)
os.Exit(1)
}
if err := validator.Validate(data); err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
}