github.com/keybase/client/go@v0.0.0-20241007131713-f10651d043c8/jsonhelpers/json_helpers_test.go (about)

     1  package jsonhelpers
     2  
     3  import (
     4  	"fmt"
     5  	"log"
     6  	"sort"
     7  	"testing"
     8  
     9  	jsonw "github.com/keybase/go-jsonw"
    10  	"github.com/stretchr/testify/require"
    11  )
    12  
    13  func makeJSONDangerous(json string) *jsonw.Wrapper {
    14  	w, err := jsonw.Unmarshal([]byte(json))
    15  	if err != nil {
    16  		log.Panic(err)
    17  	}
    18  	return w
    19  }
    20  
    21  type jsonStringSimpleTest struct {
    22  	shouldWork bool
    23  	json       *jsonw.Wrapper
    24  	out        string
    25  }
    26  
    27  var jsonStringSimpleTests = []jsonStringSimpleTest{
    28  	{true, makeJSONDangerous("1"), "1"},
    29  	{true, makeJSONDangerous(`"hey"`), "hey"},
    30  	{true, makeJSONDangerous("true"), "true"},
    31  	{true, makeJSONDangerous("false"), "false"},
    32  	{false, makeJSONDangerous("null"), ""},
    33  	{false, makeJSONDangerous(`{"a": "b", "1": 2}`), ""},
    34  	{false, makeJSONDangerous(`[1, {"a": "b"}, "three"]`), ""},
    35  }
    36  
    37  func TestJSONStringSimple(t *testing.T) {
    38  	for _, test := range jsonStringSimpleTests {
    39  		out, err := JSONStringSimple(test.json)
    40  		if test.shouldWork {
    41  			require.NoError(t, err)
    42  			require.Equal(t, test.out, out)
    43  		} else {
    44  			require.Error(t, err)
    45  		}
    46  	}
    47  }
    48  
    49  func TestPyindex(t *testing.T) {
    50  	tests := []struct {
    51  		index int
    52  		len   int
    53  		x     int
    54  		ok    bool
    55  	}{
    56  		{0, 0, 0, false},
    57  		{0, -1, 0, false},
    58  		{0, 4, 0, true},
    59  		{3, 4, 3, true},
    60  		{4, 4, 0, false},
    61  		{5, 4, 0, false},
    62  		{-1, 4, 3, true},
    63  		{-2, 4, 2, true},
    64  		{-4, 4, 0, true},
    65  		{-5, 4, 0, false},
    66  	}
    67  
    68  	for _, test := range tests {
    69  		x, ok := pyindex(test.index, test.len)
    70  		if test.ok {
    71  			require.True(t, ok)
    72  			require.Equal(t, test.x, x)
    73  		} else {
    74  			require.False(t, ok)
    75  		}
    76  	}
    77  }
    78  
    79  type jsonUnpackArrayTest struct {
    80  	json       *jsonw.Wrapper
    81  	shouldWork bool
    82  	out        []*jsonw.Wrapper
    83  }
    84  
    85  var jsonUnpackArrayTests = []jsonUnpackArrayTest{
    86  	{makeJSONDangerous("1"), false, nil},
    87  	{makeJSONDangerous(`"hey"`), false, nil},
    88  	{makeJSONDangerous(`{"a": "b"}`), false, nil},
    89  	{makeJSONDangerous(`[1, {"a": "b"}, "three"]`), true, []*jsonw.Wrapper{
    90  		makeJSONDangerous(`1`), makeJSONDangerous(`{"a": "b"}`), makeJSONDangerous(`"three"`),
    91  	}},
    92  }
    93  
    94  func TestJSONUnpackArray(t *testing.T) {
    95  	for _, test := range jsonUnpackArrayTests {
    96  		arr, err := jsonUnpackArray(test.json)
    97  		if test.shouldWork {
    98  			require.NoError(t, err)
    99  		} else {
   100  			require.Error(t, err)
   101  		}
   102  		require.Equal(t, len(test.out), len(arr))
   103  
   104  		for j, x := range arr {
   105  			y := test.out[j]
   106  			a, err := x.Marshal()
   107  			require.NoError(t, err)
   108  
   109  			b, err := y.Marshal()
   110  			require.NoError(t, err)
   111  			require.Equal(t, a, b)
   112  		}
   113  	}
   114  }
   115  
   116  type jsonGetChildrenTest struct {
   117  	json       *jsonw.Wrapper
   118  	shouldWork bool
   119  	out        []*jsonw.Wrapper
   120  }
   121  
   122  var jsonGetChildrenTests = []jsonGetChildrenTest{
   123  	{makeJSONDangerous("1"), false, nil},
   124  	{makeJSONDangerous(`"hey"`), false, nil},
   125  	{makeJSONDangerous(`{"a": "b", "1": 2}`), true, []*jsonw.Wrapper{
   126  		makeJSONDangerous(`"b"`), makeJSONDangerous(`2`),
   127  	}},
   128  	{makeJSONDangerous(`[1, {"a": "b"}, "three"]`), true, []*jsonw.Wrapper{
   129  		makeJSONDangerous(`1`), makeJSONDangerous(`{"a": "b"}`), makeJSONDangerous(`"three"`),
   130  	}},
   131  }
   132  
   133  func compareJSONStringLists(xs, ys []*jsonw.Wrapper) error {
   134  	a1, err := getJSONStringList(xs)
   135  	if err != nil {
   136  		return err
   137  	}
   138  	a2, err := getJSONStringList(ys)
   139  	if err != nil {
   140  		return err
   141  	}
   142  	sort.Strings(a1)
   143  	sort.Strings(a2)
   144  	if len(a1) != len(a2) {
   145  		return fmt.Errorf("lists differ in length %v %v", len(a1), len(a2))
   146  	}
   147  	for i, s1 := range a1 {
   148  		s2 := a2[i]
   149  		if s1 != s2 {
   150  			return fmt.Errorf("element [%v] differ\n%v\n%v", i, s1, s2)
   151  		}
   152  	}
   153  	return nil
   154  }
   155  
   156  func getJSONStringList(xs []*jsonw.Wrapper) ([]string, error) {
   157  	var ret []string
   158  	for _, x := range xs {
   159  		b, err := x.Marshal()
   160  		if err != nil {
   161  			return nil, err
   162  		}
   163  		ret = append(ret, string(b))
   164  	}
   165  	return ret, nil
   166  }
   167  
   168  func TestJSONGetChildren(t *testing.T) {
   169  	for _, test := range jsonGetChildrenTests {
   170  		arr, err := JSONGetChildren(test.json)
   171  		if test.shouldWork {
   172  			require.NoError(t, err)
   173  		} else {
   174  			require.Error(t, err)
   175  		}
   176  		require.Equal(t, len(test.out), len(arr))
   177  
   178  		err = compareJSONStringLists(arr, test.out)
   179  		require.NoError(t, err)
   180  	}
   181  }