package rfc8259naturalnumber_test import ( "testing" "bytes" "io" "sourcecode.social/reiver/go-utf8" "sourcecode.social/reiver/go-rfc8259/naturalnumber" ) func TestParse_success(t *testing.T) { tests := []struct{ Value []byte Expected rfc8259naturalnumber.NaturalNumber }{ { Value: []byte("0"), Expected: rfc8259naturalnumber.Zero(), }, { Value: []byte("-0"), Expected: rfc8259naturalnumber.Something("-0"), }, { Value: []byte("1"), Expected: rfc8259naturalnumber.One(), }, { Value: []byte("-1"), Expected: rfc8259naturalnumber.NegativeOne(), }, { Value: []byte("2"), Expected: rfc8259naturalnumber.Something("2"), }, { Value: []byte("-2"), Expected: rfc8259naturalnumber.Something("-2"), }, { Value: []byte("3"), Expected: rfc8259naturalnumber.Something("3"), }, { Value: []byte("-3"), Expected: rfc8259naturalnumber.Something("-3"), }, { Value: []byte("13"), Expected: rfc8259naturalnumber.Something("13"), }, { Value: []byte("-13"), Expected: rfc8259naturalnumber.Something("-13"), }, { Value: []byte("13256278887989457651018865901401704640"), Expected: rfc8259naturalnumber.Something("13256278887989457651018865901401704640"), }, { Value: []byte("-13256278887989457651018865901401704640"), Expected: rfc8259naturalnumber.Something("-13256278887989457651018865901401704640"), }, { Value: []byte("123.45"), Expected: rfc8259naturalnumber.Something("123"), }, { Value: []byte("123 "), Expected: rfc8259naturalnumber.Something("123"), }, { Value: []byte("123,"), Expected: rfc8259naturalnumber.Something("123"), }, { Value: []byte("123e"), Expected: rfc8259naturalnumber.Something("123"), }, { Value: []byte("123E"), Expected: rfc8259naturalnumber.Something("123"), }, { Value: []byte("-123.45"), Expected: rfc8259naturalnumber.Something("-123"), }, { Value: []byte("-123 "), Expected: rfc8259naturalnumber.Something("-123"), }, { Value: []byte("-123,"), Expected: rfc8259naturalnumber.Something("-123"), }, { Value: []byte("-123e"), Expected: rfc8259naturalnumber.Something("-123"), }, { Value: []byte("-123E"), Expected: rfc8259naturalnumber.Something("-123"), }, } for testNumber, test := range tests { var reader io.Reader = bytes.NewReader(test.Value) var runescanner io.RuneScanner = utf8.NewRuneScanner(reader) var actual rfc8259naturalnumber.NaturalNumber err := rfc8259naturalnumber.Parse(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: %q", test.Value) t.Logf("VALUE: %#v", test.Value) continue } { expected := test.Expected if expected != actual { t.Errorf("For test #%d, the actual value is not what was expected." , testNumber) t.Logf("EXPECTED: %#v", expected) t.Logf("ACTUAL: %#v", actual) t.Logf("VALUE: %q", test.Value) t.Logf("VALUE: %#v", test.Value) continue } } } } func TestParse_failure(t *testing.T) { tests := []struct{ Value []byte ExpectedError string }{ { Value: []byte(nil), ExpectedError: "rfc8259: unexpected end-of-file", }, { Value: []byte(""), ExpectedError: "rfc8259: unexpected end-of-file", }, { Value: []byte("-"), ExpectedError: "rfc8259: unexpected end-of-file", }, { Value: []byte("\t"), ExpectedError: `rfc8259: JSON parser encountered a problem — when trying to parse a whole-number, expected the first character to be '0', '1', '2', '3', '4', '5', '6', '7', '8', ot '9', but actually was '\t' (U+0009)`, }, { Value: []byte("\n"), ExpectedError: `rfc8259: JSON parser encountered a problem — when trying to parse a whole-number, expected the first character to be '0', '1', '2', '3', '4', '5', '6', '7', '8', ot '9', but actually was '\n' (U+000A)`, }, { Value: []byte("\r"), ExpectedError: `rfc8259: JSON parser encountered a problem — when trying to parse a whole-number, expected the first character to be '0', '1', '2', '3', '4', '5', '6', '7', '8', ot '9', but actually was '\r' (U+000D)`, }, { Value: []byte(" "), ExpectedError: `rfc8259: JSON parser encountered a problem — when trying to parse a whole-number, expected the first character to be '0', '1', '2', '3', '4', '5', '6', '7', '8', ot '9', but actually was ' ' (U+0020)`, }, { Value: []byte("\""), ExpectedError: `rfc8259: JSON parser encountered a problem — when trying to parse a whole-number, expected the first character to be '0', '1', '2', '3', '4', '5', '6', '7', '8', ot '9', but actually was '"' (U+0022)`, }, { Value: []byte("f"), ExpectedError: `rfc8259: JSON parser encountered a problem — when trying to parse a whole-number, expected the first character to be '0', '1', '2', '3', '4', '5', '6', '7', '8', ot '9', but actually was 'f' (U+0066)`, }, { Value: []byte("n"), ExpectedError: `rfc8259: JSON parser encountered a problem — when trying to parse a whole-number, expected the first character to be '0', '1', '2', '3', '4', '5', '6', '7', '8', ot '9', but actually was 'n' (U+006E)`, }, { Value: []byte("t"), ExpectedError: `rfc8259: JSON parser encountered a problem — when trying to parse a whole-number, expected the first character to be '0', '1', '2', '3', '4', '5', '6', '7', '8', ot '9', but actually was 't' (U+0074)`, }, { Value: []byte("\"name\""), ExpectedError: `rfc8259: JSON parser encountered a problem — when trying to parse a whole-number, expected the first character to be '0', '1', '2', '3', '4', '5', '6', '7', '8', ot '9', but actually was '"' (U+0022)`, }, { Value: []byte("apple"), ExpectedError: `rfc8259: JSON parser encountered a problem — when trying to parse a whole-number, expected the first character to be '0', '1', '2', '3', '4', '5', '6', '7', '8', ot '9', but actually was 'a' (U+0061)`, }, { Value: []byte("banana"), ExpectedError: `rfc8259: JSON parser encountered a problem — when trying to parse a whole-number, expected the first character to be '0', '1', '2', '3', '4', '5', '6', '7', '8', ot '9', but actually was 'b' (U+0062)`, }, { Value: []byte("cherry"), ExpectedError: `rfc8259: JSON parser encountered a problem — when trying to parse a whole-number, expected the first character to be '0', '1', '2', '3', '4', '5', '6', '7', '8', ot '9', but actually was 'c' (U+0063)`, }, { Value: []byte("ONCE TWICE THRICE FOURCE"), ExpectedError: `rfc8259: JSON parser encountered a problem — when trying to parse a whole-number, expected the first character to be '0', '1', '2', '3', '4', '5', '6', '7', '8', ot '9', but actually was 'O' (U+004F)`, }, { Value: []byte("😈"), ExpectedError: `rfc8259: JSON parser encountered a problem — when trying to parse a whole-number, expected the first character to be '0', '1', '2', '3', '4', '5', '6', '7', '8', ot '9', but actually was '😈' (U+1F608)`, }, } for testNumber, test := range tests { var reader io.Reader = bytes.NewReader(test.Value) var runescanner io.RuneScanner = utf8.NewRuneScanner(reader) var actual rfc8259naturalnumber.NaturalNumber err := rfc8259naturalnumber.Parse(runescanner, &actual) if nil == err { t.Errorf("For test #%d, expected an error but did not actually get one.", testNumber) t.Logf("VALUE: %q", test.Value) t.Logf("VALUE: %#v", test.Value) continue } { expected := rfc8259naturalnumber.Nothing() if expected != actual { t.Errorf("For test #%d, the actual value is not what was expected." , testNumber) t.Logf("EXPECTED: %#v", expected) t.Logf("ACTUAL: %#v", actual) t.Logf("VALUE: %q", test.Value) t.Logf("VALUE: %#v", test.Value) continue } } { expected := test.ExpectedError actual := err.Error() if expected != actual { t.Errorf("For test #%d, the actual value is not what was expected." , testNumber) t.Logf("EXPECTED: %#v", expected) t.Logf("ACTUAL: %#v", actual) t.Logf("VALUE: %q", test.Value) t.Logf("VALUE: %#v", test.Value) continue } } } }