github.com/bingoohuang/gg@v0.0.0-20240325092523-45da7dee9335/pkg/jsoni/api_tests/decoder_test.go (about)

     1  package test
     2  
     3  import (
     4  	"bytes"
     5  	"encoding/json"
     6  	"io/ioutil"
     7  	"testing"
     8  
     9  	"github.com/bingoohuang/gg/pkg/jsoni"
    10  	"github.com/stretchr/testify/require"
    11  )
    12  
    13  func Test_disallowUnknownFields(t *testing.T) {
    14  	should := require.New(t)
    15  	type TestObject struct{}
    16  	var obj TestObject
    17  	decoder := jsoni.NewDecoder(bytes.NewBufferString(`{"field1":100}`))
    18  	decoder.DisallowUnknownFields()
    19  	should.Error(decoder.Decode(nil, &obj))
    20  }
    21  
    22  func Test_new_decoder(t *testing.T) {
    23  	should := require.New(t)
    24  	decoder1 := json.NewDecoder(bytes.NewBufferString(`[1][2]`))
    25  	decoder2 := jsoni.NewDecoder(bytes.NewBufferString(`[1][2]`))
    26  	var arr1 []int
    27  	should.Nil(decoder1.Decode(&arr1))
    28  	should.Equal([]int{1}, arr1)
    29  	var arr2 []int
    30  	should.True(decoder1.More())
    31  	buffered, _ := ioutil.ReadAll(decoder1.Buffered())
    32  	should.Equal("[2]", string(buffered))
    33  	should.Nil(decoder2.Decode(nil, &arr2))
    34  	should.Equal([]int{1}, arr2)
    35  	should.True(decoder2.More())
    36  	buffered, _ = ioutil.ReadAll(decoder2.Buffered())
    37  	should.Equal("[2]", string(buffered))
    38  
    39  	should.Nil(decoder1.Decode(&arr1))
    40  	should.Equal([]int{2}, arr1)
    41  	should.False(decoder1.More())
    42  	should.Nil(decoder2.Decode(nil, &arr2))
    43  	should.Equal([]int{2}, arr2)
    44  	should.False(decoder2.More())
    45  }
    46  
    47  func Test_use_number(t *testing.T) {
    48  	should := require.New(t)
    49  	decoder1 := json.NewDecoder(bytes.NewBufferString(`123`))
    50  	decoder1.UseNumber()
    51  	decoder2 := jsoni.NewDecoder(bytes.NewBufferString(`123`))
    52  	decoder2.UseNumber()
    53  	var obj1 interface{}
    54  	should.Nil(decoder1.Decode(&obj1))
    55  	should.Equal(json.Number("123"), obj1)
    56  	var obj2 interface{}
    57  	should.Nil(decoder2.Decode(nil, &obj2))
    58  	should.Equal(json.Number("123"), obj2)
    59  }
    60  
    61  func Test_decoder_more(t *testing.T) {
    62  	should := require.New(t)
    63  	decoder := jsoni.NewDecoder(bytes.NewBufferString("abcde"))
    64  	should.True(decoder.More())
    65  }