291 lines
8.5 KiB
Go
291 lines
8.5 KiB
Go
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package rfc8259naturalnumber_test
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import (
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"testing"
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"bytes"
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"io"
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"sourcecode.social/reiver/go-utf8"
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"sourcecode.social/reiver/go-rfc8259/naturalnumber"
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)
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func TestParse_success(t *testing.T) {
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tests := []struct{
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Value []byte
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Expected rfc8259naturalnumber.NaturalNumber
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}{
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{
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Value: []byte("0"),
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Expected: rfc8259naturalnumber.Zero(),
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},
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{
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Value: []byte("1"),
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Expected: rfc8259naturalnumber.One(),
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},
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{
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Value: []byte("-1"),
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Expected: rfc8259naturalnumber.NegativeOne(),
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},
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{
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Value: []byte("2"),
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Expected: rfc8259naturalnumber.Something("2"),
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},
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{
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Value: []byte("-2"),
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Expected: rfc8259naturalnumber.Something("-2"),
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},
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{
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Value: []byte("3"),
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Expected: rfc8259naturalnumber.Something("3"),
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},
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{
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Value: []byte("-3"),
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Expected: rfc8259naturalnumber.Something("-3"),
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},
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{
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Value: []byte("13"),
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Expected: rfc8259naturalnumber.Something("13"),
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},
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{
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Value: []byte("-13"),
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Expected: rfc8259naturalnumber.Something("-13"),
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},
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{
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Value: []byte("13256278887989457651018865901401704640"),
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Expected: rfc8259naturalnumber.Something("13256278887989457651018865901401704640"),
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},
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{
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Value: []byte("-13256278887989457651018865901401704640"),
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Expected: rfc8259naturalnumber.Something("-13256278887989457651018865901401704640"),
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},
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{
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Value: []byte("123.45"),
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Expected: rfc8259naturalnumber.Something("123"),
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},
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{
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Value: []byte("123 "),
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Expected: rfc8259naturalnumber.Something("123"),
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},
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{
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Value: []byte("123,"),
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Expected: rfc8259naturalnumber.Something("123"),
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},
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{
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Value: []byte("123e"),
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Expected: rfc8259naturalnumber.Something("123"),
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},
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{
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Value: []byte("123E"),
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Expected: rfc8259naturalnumber.Something("123"),
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},
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{
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Value: []byte("-123.45"),
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Expected: rfc8259naturalnumber.Something("-123"),
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},
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{
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Value: []byte("-123 "),
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Expected: rfc8259naturalnumber.Something("-123"),
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},
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{
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Value: []byte("-123,"),
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Expected: rfc8259naturalnumber.Something("-123"),
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},
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{
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Value: []byte("-123e"),
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Expected: rfc8259naturalnumber.Something("-123"),
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},
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{
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Value: []byte("-123E"),
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Expected: rfc8259naturalnumber.Something("-123"),
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},
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}
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for testNumber, test := range tests {
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var reader io.Reader = bytes.NewReader(test.Value)
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var runescanner io.RuneScanner = utf8.NewRuneScanner(reader)
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var actual rfc8259naturalnumber.NaturalNumber
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err := rfc8259naturalnumber.Parse(runescanner, &actual)
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if nil != err {
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t.Errorf("For test #%d, did not expect an error but actually got one.", testNumber)
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t.Logf("ERROR: (%T) %s", err, err)
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t.Logf("VALUE: %q", test.Value)
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t.Logf("VALUE: %#v", test.Value)
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continue
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}
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{
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expected := test.Expected
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if expected != actual {
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t.Errorf("For test #%d, the actual value is not what was expected." , testNumber)
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t.Logf("EXPECTED: %#v", expected)
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t.Logf("ACTUAL: %#v", actual)
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t.Logf("VALUE: %q", test.Value)
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t.Logf("VALUE: %#v", test.Value)
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continue
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}
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}
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}
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}
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func TestParse_failure(t *testing.T) {
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tests := []struct{
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Value []byte
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ExpectedError string
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}{
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{
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Value: []byte(nil),
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ExpectedError: "rfc8259: unexpected end-of-file",
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},
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{
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Value: []byte(""),
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ExpectedError: "rfc8259: unexpected end-of-file",
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},
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{
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Value: []byte("-"),
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ExpectedError: "rfc8259: unexpected end-of-file",
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},
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{
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Value: []byte("\t"),
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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)`,
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},
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{
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Value: []byte("\n"),
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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)`,
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},
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{
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Value: []byte("\r"),
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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)`,
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},
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{
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Value: []byte(" "),
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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)`,
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},
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{
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Value: []byte("\""),
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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)`,
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},
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{
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Value: []byte("f"),
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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)`,
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},
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{
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Value: []byte("n"),
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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)`,
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},
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{
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Value: []byte("t"),
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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)`,
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},
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{
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Value: []byte("\"name\""),
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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)`,
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},
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{
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Value: []byte("apple"),
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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)`,
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},
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{
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Value: []byte("banana"),
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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)`,
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},
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{
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Value: []byte("cherry"),
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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)`,
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},
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{
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Value: []byte("ONCE TWICE THRICE FOURCE"),
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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)`,
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},
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{
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Value: []byte("😈"),
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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)`,
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},
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}
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for testNumber, test := range tests {
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var reader io.Reader = bytes.NewReader(test.Value)
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var runescanner io.RuneScanner = utf8.NewRuneScanner(reader)
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var actual rfc8259naturalnumber.NaturalNumber
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err := rfc8259naturalnumber.Parse(runescanner, &actual)
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if nil == err {
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t.Errorf("For test #%d, expected an error but did not actually get one.", testNumber)
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t.Logf("VALUE: %q", test.Value)
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t.Logf("VALUE: %#v", test.Value)
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continue
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}
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{
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expected := rfc8259naturalnumber.Nothing()
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if expected != actual {
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t.Errorf("For test #%d, the actual value is not what was expected." , testNumber)
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t.Logf("EXPECTED: %#v", expected)
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t.Logf("ACTUAL: %#v", actual)
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t.Logf("VALUE: %q", test.Value)
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t.Logf("VALUE: %#v", test.Value)
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continue
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}
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}
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{
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expected := test.ExpectedError
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actual := err.Error()
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if expected != actual {
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t.Errorf("For test #%d, the actual value is not what was expected." , testNumber)
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t.Logf("EXPECTED: %#v", expected)
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t.Logf("ACTUAL: %#v", actual)
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t.Logf("VALUE: %q", test.Value)
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t.Logf("VALUE: %#v", test.Value)
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continue
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}
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}
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}
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}
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