initial commits
parent
b8b35efdf4
commit
ce4186c27e
|
@ -0,0 +1,69 @@
|
|||
package rfc8259
|
||||
|
||||
import (
|
||||
"io"
|
||||
|
||||
"sourcecode.social/reiver/go-erorr"
|
||||
)
|
||||
|
||||
// ParseBoolean tries to parse a JSON boolean literal — i.e., either 'false' or 'true'.
|
||||
// If it succeeds, then it return nil, and sets ‘dst’ to the parsed value.
|
||||
// If it failed, it returns an error.
|
||||
//
|
||||
// Example usage:
|
||||
//
|
||||
// var rs io.RuneScaner
|
||||
//
|
||||
// // ...
|
||||
//
|
||||
// var value bool
|
||||
// err := rfc8259.ParseTrue(rs, &value)
|
||||
//
|
||||
// if nil != err {
|
||||
// return err
|
||||
// }
|
||||
//
|
||||
// fmt.Printf("value = %t\n", value)
|
||||
func ParseBoolean(runescanner io.RuneScanner, dst *bool) error {
|
||||
if nil == runescanner {
|
||||
return errNilRuneScanner
|
||||
}
|
||||
if nil == dst {
|
||||
return errNilDestination
|
||||
}
|
||||
|
||||
var r rune
|
||||
{
|
||||
var err error
|
||||
|
||||
r, _, err = runescanner.ReadRune()
|
||||
if nil != err {
|
||||
if io.EOF == err {
|
||||
return errUnexpectedEndOfFile
|
||||
}
|
||||
|
||||
return errProblemReadingRune(err)
|
||||
}
|
||||
|
||||
if err := runescanner.UnreadRune(); nil != err {
|
||||
return errProblemUnreadingRune(err, r)
|
||||
}
|
||||
}
|
||||
|
||||
switch r {
|
||||
case 'f':
|
||||
if err := ParseFalse(runescanner); nil != err {
|
||||
return err
|
||||
}
|
||||
*dst = false
|
||||
return nil
|
||||
case 't':
|
||||
if err := ParseTrue(runescanner); nil != err {
|
||||
return err
|
||||
}
|
||||
*dst = true
|
||||
return nil
|
||||
default:
|
||||
return erorr.Errorf("rfc8259: problem when trying to parse JSON boolean literal — expected either 'false' or 'true' but first character was %q (%U)", r, r)
|
||||
}
|
||||
}
|
|
@ -0,0 +1,318 @@
|
|||
package rfc8259_test
|
||||
|
||||
import (
|
||||
"testing"
|
||||
|
||||
"bytes"
|
||||
"io"
|
||||
|
||||
"sourcecode.social/reiver/go-utf8"
|
||||
|
||||
"sourcecode.social/reiver/go-rfc8259"
|
||||
)
|
||||
|
||||
func TestParseBoolean_success(t *testing.T) {
|
||||
|
||||
tests := []struct{
|
||||
Value []byte
|
||||
Expected bool
|
||||
}{
|
||||
{
|
||||
Value: []byte("false"),
|
||||
Expected: false,
|
||||
},
|
||||
{
|
||||
Value: []byte("true"),
|
||||
Expected: true,
|
||||
},
|
||||
}
|
||||
|
||||
for testNumber, test := range tests {
|
||||
|
||||
var reader io.Reader = bytes.NewReader(test.Value)
|
||||
var runescanner io.RuneScanner = utf8.NewRuneScanner(reader)
|
||||
|
||||
var actual bool
|
||||
|
||||
err := rfc8259.ParseBoolean(runescanner, &actual)
|
||||
|
||||
if nil != err {
|
||||
t.Errorf("For test #%d, did not expect an error but actually got one.", testNumber)
|
||||
t.Logf("ERROR: (%T) %s", err, err)
|
||||
t.Logf("VALUE: %#v", test.Value)
|
||||
t.Logf("VALUE: %q", test.Value)
|
||||
t.Logf("EXPECTED: %t", test.Expected)
|
||||
continue
|
||||
}
|
||||
|
||||
{
|
||||
expected := test.Expected
|
||||
|
||||
if expected != actual {
|
||||
t.Errorf("For test #%d, the actual value is not what was expected.", testNumber)
|
||||
t.Logf("EXPECTED: %t", expected)
|
||||
t.Logf("ACTUAL: %t", actual)
|
||||
t.Logf("VALUE: %#v", test.Value)
|
||||
t.Logf("VALUE: %q", test.Value)
|
||||
continue
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func TestParseBoolean_failure(t *testing.T) {
|
||||
|
||||
tests := []struct{
|
||||
Value []byte
|
||||
Expected string
|
||||
}{
|
||||
{
|
||||
Value: []byte(nil),
|
||||
Expected: "rfc8259: unexpected end-of-file",
|
||||
},
|
||||
{
|
||||
Value: []byte(""),
|
||||
Expected: "rfc8259: unexpected end-of-file",
|
||||
},
|
||||
|
||||
|
||||
|
||||
{
|
||||
Value: []byte("f"),
|
||||
Expected: "rfc8259: unexpected end-of-file",
|
||||
},
|
||||
{
|
||||
Value: []byte("fa"),
|
||||
Expected: "rfc8259: unexpected end-of-file",
|
||||
},
|
||||
{
|
||||
Value: []byte("fal"),
|
||||
Expected: "rfc8259: unexpected end-of-file",
|
||||
},
|
||||
{
|
||||
Value: []byte("fals"),
|
||||
Expected: "rfc8259: unexpected end-of-file",
|
||||
},
|
||||
|
||||
|
||||
|
||||
{
|
||||
Value: []byte("t"),
|
||||
Expected: "rfc8259: unexpected end-of-file",
|
||||
},
|
||||
{
|
||||
Value: []byte("tr"),
|
||||
Expected: "rfc8259: unexpected end-of-file",
|
||||
},
|
||||
{
|
||||
Value: []byte("tru"),
|
||||
Expected: "rfc8259: unexpected end-of-file",
|
||||
},
|
||||
|
||||
|
||||
|
||||
{
|
||||
Value: []byte("\t"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal — expected either 'false' or 'true' but first character was '\\t' (U+0009)",
|
||||
},
|
||||
{
|
||||
Value: []byte("\n"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal — expected either 'false' or 'true' but first character was '\\n' (U+000A)",
|
||||
},
|
||||
{
|
||||
Value: []byte("\r"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal — expected either 'false' or 'true' but first character was '\\r' (U+000D)",
|
||||
},
|
||||
{
|
||||
Value: []byte(" "),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal — expected either 'false' or 'true' but first character was ' ' (U+0020)",
|
||||
},
|
||||
{
|
||||
Value: []byte("\""),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal — expected either 'false' or 'true' but first character was '\"' (U+0022)",
|
||||
},
|
||||
{
|
||||
Value: []byte("-"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal — expected either 'false' or 'true' but first character was '-' (U+002D)",
|
||||
},
|
||||
{
|
||||
Value: []byte("0"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal — expected either 'false' or 'true' but first character was '0' (U+0030)",
|
||||
},
|
||||
{
|
||||
Value: []byte("1"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal — expected either 'false' or 'true' but first character was '1' (U+0031)",
|
||||
},
|
||||
{
|
||||
Value: []byte("2"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal — expected either 'false' or 'true' but first character was '2' (U+0032)",
|
||||
},
|
||||
{
|
||||
Value: []byte("3"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal — expected either 'false' or 'true' but first character was '3' (U+0033)",
|
||||
},
|
||||
{
|
||||
Value: []byte("4"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal — expected either 'false' or 'true' but first character was '4' (U+0034)",
|
||||
},
|
||||
{
|
||||
Value: []byte("5"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal — expected either 'false' or 'true' but first character was '5' (U+0035)",
|
||||
},
|
||||
{
|
||||
Value: []byte("6"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal — expected either 'false' or 'true' but first character was '6' (U+0036)",
|
||||
},
|
||||
{
|
||||
Value: []byte("7"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal — expected either 'false' or 'true' but first character was '7' (U+0037)",
|
||||
},
|
||||
{
|
||||
Value: []byte("8"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal — expected either 'false' or 'true' but first character was '8' (U+0038)",
|
||||
},
|
||||
{
|
||||
Value: []byte("9"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal — expected either 'false' or 'true' but first character was '9' (U+0039)",
|
||||
},
|
||||
{
|
||||
Value: []byte("n"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal — expected either 'false' or 'true' but first character was 'n' (U+006E)",
|
||||
},
|
||||
|
||||
|
||||
|
||||
{
|
||||
Value: []byte("\"name\""),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal — expected either 'false' or 'true' but first character was '\"' (U+0022)",
|
||||
},
|
||||
{
|
||||
Value: []byte("-34"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal — expected either 'false' or 'true' but first character was '-' (U+002D)",
|
||||
},
|
||||
{
|
||||
Value: []byte("0.123"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal — expected either 'false' or 'true' but first character was '0' (U+0030)",
|
||||
},
|
||||
{
|
||||
Value: []byte("123"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal — expected either 'false' or 'true' but first character was '1' (U+0031)",
|
||||
},
|
||||
{
|
||||
Value: []byte("22.22"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal — expected either 'false' or 'true' but first character was '2' (U+0032)",
|
||||
},
|
||||
{
|
||||
Value: []byte("3.141592653589793238462643383279502884"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal — expected either 'false' or 'true' but first character was '3' (U+0033)",
|
||||
},
|
||||
{
|
||||
Value: []byte("4E31"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal — expected either 'false' or 'true' but first character was '4' (U+0034)",
|
||||
},
|
||||
{
|
||||
Value: []byte("5e23"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal — expected either 'false' or 'true' but first character was '5' (U+0035)",
|
||||
},
|
||||
{
|
||||
Value: []byte("6789"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal — expected either 'false' or 'true' but first character was '6' (U+0036)",
|
||||
},
|
||||
{
|
||||
Value: []byte("7978777675"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal — expected either 'false' or 'true' but first character was '7' (U+0037)",
|
||||
},
|
||||
{
|
||||
Value: []byte("812"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal — expected either 'false' or 'true' but first character was '8' (U+0038)",
|
||||
},
|
||||
{
|
||||
Value: []byte("901"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal — expected either 'false' or 'true' but first character was '9' (U+0039)",
|
||||
},
|
||||
{
|
||||
Value: []byte("null"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal — expected either 'false' or 'true' but first character was 'n' (U+006E)",
|
||||
},
|
||||
|
||||
|
||||
|
||||
{
|
||||
Value: []byte("F"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal — expected either 'false' or 'true' but first character was 'F' (U+0046)",
|
||||
},
|
||||
{
|
||||
Value: []byte("fA"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal 'false' — expected a 'a' (U+0061) but actually got a 'A' (U+0041)",
|
||||
},
|
||||
{
|
||||
Value: []byte("faL"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal 'false' — expected a 'l' (U+006C) but actually got a 'L' (U+004C)",
|
||||
},
|
||||
{
|
||||
Value: []byte("falS"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal 'false' — expected a 's' (U+0073) but actually got a 'S' (U+0053)",
|
||||
},
|
||||
{
|
||||
Value: []byte("falsE"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal 'false' — expected a 'e' (U+0065) but actually got a 'E' (U+0045)",
|
||||
},
|
||||
{
|
||||
Value: []byte("fals,"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal 'false' — expected a 'e' (U+0065) but actually got a ',' (U+002C)",
|
||||
},
|
||||
|
||||
|
||||
|
||||
{
|
||||
Value: []byte("T"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal — expected either 'false' or 'true' but first character was 'T' (U+0054)",
|
||||
},
|
||||
{
|
||||
Value: []byte("tR"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal 'true' — expected a 'r' (U+0072) but actually got a 'R' (U+0052)",
|
||||
},
|
||||
{
|
||||
Value: []byte("trU"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal 'true' — expected a 'u' (U+0075) but actually got a 'U' (U+0055)",
|
||||
},
|
||||
{
|
||||
Value: []byte("truE"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal 'true' — expected a 'e' (U+0065) but actually got a 'E' (U+0045)",
|
||||
},
|
||||
{
|
||||
Value: []byte("tru,"),
|
||||
Expected: "rfc8259: problem when trying to parse JSON boolean literal 'true' — expected a 'e' (U+0065) but actually got a ',' (U+002C)",
|
||||
},
|
||||
}
|
||||
|
||||
for testNumber, test := range tests {
|
||||
|
||||
var reader io.Reader = bytes.NewReader(test.Value)
|
||||
var runescanner io.RuneScanner = utf8.NewRuneScanner(reader)
|
||||
|
||||
var actual bool
|
||||
|
||||
err := rfc8259.ParseBoolean(runescanner, &actual)
|
||||
|
||||
if nil == err {
|
||||
t.Errorf("Expected an error but did not actually get one.")
|
||||
t.Logf("VALUE: %#v", test.Value)
|
||||
t.Logf("VALUE: %q", test.Value)
|
||||
continue
|
||||
}
|
||||
|
||||
{
|
||||
actual := err.Error()
|
||||
expected := test.Expected
|
||||
|
||||
if expected != actual {
|
||||
t.Errorf("For test #%d, the actual value for the error is not what was expected." , testNumber)
|
||||
t.Logf("EXPECTED: %q", expected)
|
||||
t.Logf("ACTUAL: %q", actual)
|
||||
continue
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
}
|
Loading…
Reference in New Issue