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jsonhelper_test.go
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jsonhelper_test.go
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package gou
import (
"bytes"
"encoding/gob"
"encoding/json"
"math"
"strings"
"testing"
"github.com/stretchr/testify/assert"
)
// go test -bench=".*"
// go test -run="(Util)"
var (
jh JsonHelper
)
func init() {
SetupLogging("debug")
SetColorOutput()
//SetLogger(log.New(os.Stderr, "", log.Ltime|log.Lshortfile), "debug")
// create test data
json.Unmarshal([]byte(`{
"name":"aaron",
"nullstring":null,
"ints":[1,2,3,4],
"int":1,
"intstr":"1",
"int64":1234567890,
"float64":123.456,
"float64str":"123.456",
"float64null": null,
"MaxSize" : 1048576,
"strings":["string1"],
"stringscsv":"string1,string2",
"nested":{
"nest":"string2",
"strings":["string1"],
"int":2,
"list":["value"],
"nest2":{
"test":"good"
}
},
"nested2":[
{"sub":2}
],
"period.name":"value"
}`), &jh)
}
func TestJsonRawWriter(t *testing.T) {
var buf bytes.Buffer
buf.WriteString(`"hello"`)
raw := json.RawMessage(buf.Bytes())
bya, _ := json.Marshal(&buf)
Debug(string(bya))
bya, _ = json.Marshal(&raw)
Debug(string(bya))
/*
bya, err := json.Marshal(buf)
assert.True(t,string(bya) == `"hello"`, t, "Should be hello but was %s", string(bya))
Debug(string(buf.Bytes()), err)
var jrw JsonRawWriter
jrw.WriteString(`"hello"`)
Debug(jrw.Raw())
bya, err = json.Marshal(jrw.Raw())
assert.True(t,string(bya) == `"hello"`, t, "Should be hello but was %s", string(bya))
Debug(string(jrw.Bytes()), err)
*/
}
func TestJsonHelper(t *testing.T) {
assert.True(t, jh.String("name") == "aaron", "should get 'aaron' %s", jh.String("name"))
assert.True(t, jh.String("nullstring") == "", "should get '' %s", jh.String("nullstring"))
assert.True(t, jh.Int("int") == 1, "get int ")
assert.True(t, jh.Int("ints[0]") == 1, "get int from array %d", jh.Int("ints[0]"))
assert.True(t, jh.Int("ints[2]") == 3, "get int from array %d", jh.Int("ints[0]"))
assert.True(t, len(jh.Ints("ints")) == 4, "get int array %v", jh.Ints("ints"))
assert.True(t, jh.Int64("int64") == 1234567890, "get int")
assert.True(t, jh.Int("nested.int") == 2, "get int")
assert.True(t, jh.String("nested.nest") == "string2", "should get string %s", jh.String("nested.nest"))
assert.True(t, jh.String("nested.nest2.test") == "good", "should get string %s", jh.String("nested.nest2.test"))
assert.True(t, jh.String("nested.list[0]") == "value", "get string from array")
assert.True(t, jh.Int("nested2[0].sub") == 2, "get int from obj in array %d", jh.Int("nested2[0].sub"))
assert.True(t, jh.Int("MaxSize") == 1048576, "get int, test capitalization? ")
sl := jh.Strings("strings")
assert.True(t, len(sl) == 1 && sl[0] == "string1", "get strings ")
sl = jh.Strings("stringscsv")
assert.True(t, len(sl) == 2 && sl[0] == "string1", "get strings ")
i64, ok := jh.Int64Safe("int64")
assert.True(t, ok, t, "int64safe ok")
assert.True(t, i64 == 1234567890, "int64safe value")
u64, ok := jh.Uint64Safe("int64")
assert.True(t, ok, "uint64safe ok")
assert.True(t, u64 == 1234567890, "int64safe value")
_, ok = jh.Uint64Safe("notexistent")
assert.True(t, !ok, "should not be ok")
_, ok = jh.Uint64Safe("name")
assert.True(t, !ok, "should not be ok")
i, ok := jh.IntSafe("int")
assert.True(t, ok, "intsafe ok")
assert.True(t, i == 1, "intsafe value")
l := jh.List("nested2")
assert.True(t, len(l) == 1, "get list")
fv, ok := jh.Float64Safe("name")
assert.True(t, !ok, "floatsafe not ok")
fv, ok = jh.Float64Safe("float64")
assert.True(t, ok, "floatsafe ok")
assert.True(t, CloseEnuf(fv, 123.456), "floatsafe value %v", fv)
fv = jh.Float64("float64")
assert.True(t, CloseEnuf(fv, 123.456), "floatsafe value %v", fv)
fv, ok = jh.Float64Safe("float64str")
assert.True(t, ok, "floatsafe ok")
assert.True(t, CloseEnuf(fv, 123.456), "floatsafe value %v", fv)
fv = jh.Float64("float64str")
assert.True(t, CloseEnuf(fv, 123.456), "floatsafe value %v", fv)
fv, ok = jh.Float64Safe("float64null")
assert.True(t, ok, "float64null ok")
assert.True(t, math.IsNaN(fv), "float64null expected Nan but got %v", fv)
fv = jh.Float64("float64null")
assert.True(t, math.IsNaN(fv), "float64null expected Nan but got %v", fv)
jhm := jh.Helpers("nested2")
assert.True(t, len(jhm) == 1, "get list of helpers")
assert.True(t, jhm[0].Int("sub") == 2, "Should get list of helpers")
}
func TestJsonCoercion(t *testing.T) {
assert.True(t, jh.Int("intstr") == 1, "get string as int %s", jh.String("intstr"))
assert.True(t, jh.String("int") == "1", "get int as string %s", jh.String("int"))
assert.True(t, jh.Int("notint") == -1, "get non existent int = 0??? ")
}
func TestJsonPathNotation(t *testing.T) {
// Now lets test xpath type syntax
assert.True(t, jh.Int("/MaxSize") == 1048576, "get int, test capitalization? ")
assert.True(t, jh.String("/nested/nest") == "string2", "should get string %s", jh.String("/nested/nest"))
assert.True(t, jh.String("/nested/list[0]") == "value", "get string from array")
// note this one has period in name
assert.True(t, jh.String("/period.name") == "value", "test period in name ")
}
func TestFromReader(t *testing.T) {
raw := `{"testing": 123}`
reader := strings.NewReader(raw)
jh, err := NewJsonHelperReader(reader)
assert.True(t, err == nil, "Unexpected error decoding json: %s", err)
assert.True(t, jh.Int("testing") == 123, "Unexpected value in json: %d", jh.Int("testing"))
}
func TestJsonHelperGobEncoding(t *testing.T) {
raw := `{"testing": 123,"name":"bob & more"}`
reader := strings.NewReader(raw)
jh, err := NewJsonHelperReader(reader)
assert.True(t, err == nil, "Unexpected error decoding gob: %s", err)
assert.True(t, jh.Int("testing") == 123, "Unexpected value in gob: %d", jh.Int("testing"))
var buf bytes.Buffer
err = gob.NewEncoder(&buf).Encode(&jh)
assert.True(t, err == nil, err)
var jhNew JsonHelper
err = gob.NewDecoder(&buf).Decode(&jhNew)
assert.True(t, err == nil, err)
assert.True(t, jhNew.Int("testing") == 123, "Unexpected value in gob: %d", jhNew.Int("testing"))
assert.True(t, jhNew.String("name") == "bob & more", "Unexpected value in gob: %d", jhNew.String("name"))
buf2 := bytes.Buffer{}
gt := GobTest{"Hello", jh}
err = gob.NewEncoder(&buf2).Encode(>)
assert.True(t, err == nil, err)
var gt2 GobTest
err = gob.NewDecoder(&buf2).Decode(>2)
assert.True(t, err == nil, err)
assert.True(t, gt2.Name == "Hello", "Unexpected value in gob: %d", gt2.Name)
assert.True(t, gt2.Data.Int("testing") == 123, "Unexpected value in gob: %d", gt2.Data.Int("testing"))
assert.True(t, gt2.Data.String("name") == "bob & more", "Unexpected value in gob: %d", gt2.Data.String("name"))
}
type GobTest struct {
Name string
Data JsonHelper
}