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token_test.go
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package jsontools_test
import (
"bytes"
"encoding/json"
"testing"
"github.com/WqyJh/jsontools"
"github.com/stretchr/testify/require"
)
const (
expected1 = `[
{
"Field1": "12345",
"Field2": "MTIzNDU=",
"Field3": [1, 2.1, 3, -4.2, 5.00],
"Field4": {
"1": "πππππ",
"2": "12345",
"3": "12345",
"4": "12345",
"5": "12345"
},
"Field5": {
"Field1": "12345",
"Field2": "MTIzNDU=",
"Field3": [1, 2, 3, 4, 5],
"Field4": {
"0": "12345",
"6": "12345",
"7": "12345",
"8": "12345",
"9": "12345"
},
"Field5": "12345",
"Field6": { "Field1": "12345" },
"Field7": ["12345", "12345", "12345", "12345", "12345"],
"Field8": ["12345", "12345", "12345"],
"Field9": ["12345", "12345", "12345", "12345", "12345", ""],
"Field10": "12345"
},
"Field6": null,
"Field7": ["12345", "12345", "12345", "12345", "12345"],
"Field8": ["12345", "12345", "12345"],
"Field9": ["12345", "12345", "12345", "12345", "12345", ""],
"Field10": "12345"
},
{
"Field1": "12345",
"Field2": "MTIzNDU=",
"Field3": [1, 2, 3, 4, 5],
"Field4": {
"0": "12345",
"6": "12345",
"7": "12345",
"8": "12345",
"9": "12345"
},
"Field5": "12345",
"Field6": { "Field1": "12345" },
"Field7": ["12345", "12345", "12345", "12345", "12345"],
"Field8": ["12345", "12345", "12345"],
"Field9": ["12345", "12345", "12345", "12345", "12345", ""],
"Field10": "12345"
},
{ "Field1": "11111" }
]`
)
func TestTokenizer(t *testing.T) {
require.True(t, json.Valid([]byte(expected1)))
var buf bytes.Buffer
tokenizer := jsontools.NewJsonTokenizer([]byte(expected1))
for {
token, value, err := tokenizer.Next()
if err != nil {
break
}
t.Logf("token: %v\t\t'%s'", token, string(value))
if token == jsontools.EndJson {
break
}
buf.Write(value)
}
t.Logf("buf: '%s'", buf.String())
require.JSONEq(t, expected1, buf.String())
}
func TestTokenizerError(t *testing.T) {
cases := []struct {
src string
expected string
}{
{`1..`, "invalid float"},
{`t`, "invalid bool true 't'"},
{`tr`, "invalid bool true 'tr'"},
{`tru`, "invalid bool true 'tru'"},
{`trus`, "invalid bool true 'trus'"},
{`talse`, "invalid bool true 'talse'"},
{`f`, "invalid bool false 'f'"},
{`fa`, "invalid bool false 'fa'"},
{`fal`, "invalid bool false 'fal'"},
{`fals`, "invalid bool false 'fals'"},
{`falss`, "invalid bool false 'falss'"},
{`falsse`, "invalid bool false 'falsse'"},
{`n`, "invalid null 'n'"},
{`nu`, "invalid null 'nu'"},
{`nul`, "invalid null 'nul'"},
{`nuls`, "invalid null 'nuls'"},
{`nulsl`, "invalid null 'nulsl'"},
{`"`, `invalid string '"'`},
{`"1`, `invalid string '"1'`},
{`"1\"`, `invalid string '"1\"'`},
}
for _, c := range cases {
tokenizer := jsontools.NewJsonTokenizer([]byte(c.src))
t.Logf("src: '%s'", c.src)
_, _, err := tokenizer.Next()
require.Error(t, err)
require.Equal(t, c.expected, err.Error())
}
}
func BenchmarkTokenizer(b *testing.B) {
b.ResetTimer()
for i := 0; i < b.N; i++ {
tokenizer := jsontools.NewJsonTokenizer([]byte(expected1))
for {
token, _, err := tokenizer.Next()
require.NoError(b, err)
if token == jsontools.EndJson {
break
}
}
}
}