forked from mongodb/mongo-go-driver
/
marshal_test.go
243 lines (211 loc) · 5.9 KB
/
marshal_test.go
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// Copyright (C) MongoDB, Inc. 2017-present.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
package bson
import (
"bytes"
"fmt"
"reflect"
"testing"
"github.com/google/go-cmp/cmp"
"github.com/stretchr/testify/require"
"go.mongodb.org/mongo-driver/bson/bsoncodec"
"go.mongodb.org/mongo-driver/bson/primitive"
)
func TestMarshalAppendWithRegistry(t *testing.T) {
for _, tc := range marshalingTestCases {
t.Run(tc.name, func(t *testing.T) {
dst := make([]byte, 0, 1024)
var reg *bsoncodec.Registry
if tc.reg != nil {
reg = tc.reg
} else {
reg = DefaultRegistry
}
got, err := MarshalAppendWithRegistry(reg, dst, tc.val)
noerr(t, err)
if !bytes.Equal(got, tc.want) {
t.Errorf("Bytes are not equal. got %v; want %v", got, tc.want)
t.Errorf("Bytes:\n%v\n%v", got, tc.want)
}
})
}
}
func TestMarshalAppendWithContext(t *testing.T) {
for _, tc := range marshalingTestCases {
t.Run(tc.name, func(t *testing.T) {
dst := make([]byte, 0, 1024)
var reg *bsoncodec.Registry
if tc.reg != nil {
reg = tc.reg
} else {
reg = DefaultRegistry
}
ec := bsoncodec.EncodeContext{Registry: reg}
got, err := MarshalAppendWithContext(ec, dst, tc.val)
noerr(t, err)
if !bytes.Equal(got, tc.want) {
t.Errorf("Bytes are not equal. got %v; want %v", got, tc.want)
t.Errorf("Bytes:\n%v\n%v", got, tc.want)
}
})
}
}
func TestMarshalWithRegistry(t *testing.T) {
for _, tc := range marshalingTestCases {
t.Run(tc.name, func(t *testing.T) {
var reg *bsoncodec.Registry
if tc.reg != nil {
reg = tc.reg
} else {
reg = DefaultRegistry
}
got, err := MarshalWithRegistry(reg, tc.val)
noerr(t, err)
if !bytes.Equal(got, tc.want) {
t.Errorf("Bytes are not equal. got %v; want %v", got, tc.want)
t.Errorf("Bytes:\n%v\n%v", got, tc.want)
}
})
}
}
func TestMarshalWithContext(t *testing.T) {
for _, tc := range marshalingTestCases {
t.Run(tc.name, func(t *testing.T) {
var reg *bsoncodec.Registry
if tc.reg != nil {
reg = tc.reg
} else {
reg = DefaultRegistry
}
ec := bsoncodec.EncodeContext{Registry: reg}
got, err := MarshalWithContext(ec, tc.val)
noerr(t, err)
if !bytes.Equal(got, tc.want) {
t.Errorf("Bytes are not equal. got %v; want %v", got, tc.want)
t.Errorf("Bytes:\n%v\n%v", got, tc.want)
}
})
}
}
func TestMarshalAppend(t *testing.T) {
for _, tc := range marshalingTestCases {
t.Run(tc.name, func(t *testing.T) {
if tc.reg != nil {
t.Skip() // test requires custom registry
}
dst := make([]byte, 0, 1024)
got, err := MarshalAppend(dst, tc.val)
noerr(t, err)
if !bytes.Equal(got, tc.want) {
t.Errorf("Bytes are not equal. got %v; want %v", got, tc.want)
t.Errorf("Bytes:\n%v\n%v", got, tc.want)
}
})
}
}
func TestMarshalExtJSONAppendWithContext(t *testing.T) {
t.Run("MarshalExtJSONAppendWithContext", func(t *testing.T) {
dst := make([]byte, 0, 1024)
type teststruct struct{ Foo int }
val := teststruct{1}
ec := bsoncodec.EncodeContext{Registry: DefaultRegistry}
got, err := MarshalExtJSONAppendWithContext(ec, dst, val, true, false)
noerr(t, err)
want := []byte(`{"foo":{"$numberInt":"1"}}`)
if !bytes.Equal(got, want) {
t.Errorf("Bytes are not equal. got %v; want %v", got, want)
t.Errorf("Bytes:\n%s\n%s", got, want)
}
})
}
func TestMarshalExtJSONWithContext(t *testing.T) {
t.Run("MarshalExtJSONWithContext", func(t *testing.T) {
type teststruct struct{ Foo int }
val := teststruct{1}
ec := bsoncodec.EncodeContext{Registry: DefaultRegistry}
got, err := MarshalExtJSONWithContext(ec, val, true, false)
noerr(t, err)
want := []byte(`{"foo":{"$numberInt":"1"}}`)
if !bytes.Equal(got, want) {
t.Errorf("Bytes are not equal. got %v; want %v", got, want)
t.Errorf("Bytes:\n%s\n%s", got, want)
}
})
}
func TestMarshal_roundtripFromBytes(t *testing.T) {
before := []byte{
// length
0x1c, 0x0, 0x0, 0x0,
// --- begin array ---
// type - document
0x3,
// key - "foo"
0x66, 0x6f, 0x6f, 0x0,
// length
0x12, 0x0, 0x0, 0x0,
// type - string
0x2,
// key - "bar"
0x62, 0x61, 0x72, 0x0,
// value - string length
0x4, 0x0, 0x0, 0x0,
// value - "baz"
0x62, 0x61, 0x7a, 0x0,
// null terminator
0x0,
// --- end array ---
// null terminator
0x0,
}
var doc D
require.NoError(t, Unmarshal(before, &doc))
after, err := Marshal(doc)
require.NoError(t, err)
require.True(t, bytes.Equal(before, after))
}
func TestMarshal_roundtripFromDoc(t *testing.T) {
before := D{
{"foo", "bar"},
{"baz", int64(-27)},
{"bing", A{nil, primitive.Regex{Pattern: "word", Options: "i"}}},
}
b, err := Marshal(before)
require.NoError(t, err)
var after D
require.NoError(t, Unmarshal(b, &after))
if !cmp.Equal(after, before) {
t.Errorf("Documents to not match. got %v; want %v", after, before)
}
}
func TestNullBytes(t *testing.T) {
t.Run("element keys", func(t *testing.T) {
doc := D{{"a\x00", "foobar"}}
res, err := Marshal(doc)
want := errors.New("BSON element key cannot contain null bytes")
assert.Equal(t, want, err, "expected Marshal error %v, got error %v with result %q", want, err, Raw(res))
})
t.Run("regex values", func(t *testing.T) {
wantErr := errors.New("BSON regex values cannot contain null bytes")
testCases := []struct {
name string
pattern string
options string
}{
{"null bytes in pattern", "a\x00", "i"},
{"null bytes in options", "pattern", "i\x00"},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
regex := primitive.Regex{
Pattern: tc.pattern,
Options: tc.options,
}
res, err := Marshal(D{{"foo", regex}})
assert.Equal(t, wantErr, err, "expected Marshal error %v, got error %v with result %q", wantErr, err, Raw(res))
})
}
})
}