bson/x/bsonx/bsoncore/element_test.go
2025-03-17 20:58:26 +01:00

127 lines
3.8 KiB
Go

// 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 bsoncore
import (
"testing"
"github.com/google/go-cmp/cmp"
)
func TestElement(t *testing.T) {
t.Run("KeyErr", func(t *testing.T) {
testCases := []struct {
name string
elem Element
str string
err error
}{
{"No Type", Element{}, "", ErrElementMissingType},
{"No Key", Element{0x01, 'f', 'o', 'o'}, "", ErrElementMissingKey},
{"Success", AppendHeader(nil, TypeDouble, "foo"), "foo", nil},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
t.Run("Key", func(t *testing.T) {
str := tc.elem.Key()
if str != tc.str {
t.Errorf("returned strings do not match. got %s; want %s", str, tc.str)
}
})
t.Run("KeyErr", func(t *testing.T) {
str, err := tc.elem.KeyErr()
if !compareErrors(err, tc.err) {
t.Errorf("errors do not match. got %v; want %v", err, tc.err)
}
if str != tc.str {
t.Errorf("returned strings do not match. got %s; want %s", str, tc.str)
}
})
})
}
})
t.Run("Validate", func(t *testing.T) {
testCases := []struct {
name string
elem Element
err error
}{
{"No Type", Element{}, ErrElementMissingType},
{"No Key", Element{0x01, 'f', 'o', 'o'}, ErrElementMissingKey},
{"Insufficient Bytes", AppendHeader(nil, TypeDouble, "foo"), NewInsufficientBytesError(nil, nil)},
{"Success", AppendDoubleElement(nil, "foo", 3.14159), nil},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
err := tc.elem.Validate()
if !compareErrors(err, tc.err) {
t.Errorf("errors do not match. got %v; want %v", err, tc.err)
}
})
}
})
t.Run("CompareKey", func(t *testing.T) {
testCases := []struct {
name string
elem Element
key []byte
equal bool
}{
{"Element Too Short", Element{0x02}, nil, false},
{"Element Invalid Key", Element{0x02, 'f', 'o', 'o'}, nil, false},
{"Key With Null Byte", AppendHeader(nil, TypeDouble, "foo"), []byte{'f', 'o', 'o', 0x00}, true},
{"Key Without Null Byte", AppendHeader(nil, TypeDouble, "pi"), []byte{'p', 'i'}, true},
{"Key With Null Byte With Extra", AppendHeader(nil, TypeDouble, "foo"), []byte{'f', 'o', 'o', 0x00, 'b', 'a', 'r'}, true},
{"Prefix Key No Match", AppendHeader(nil, TypeDouble, "foo"), []byte{'f', 'o', 'o', 'b', 'a', 'r'}, false},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
equal := tc.elem.CompareKey(tc.key)
if equal != tc.equal {
t.Errorf("Did not get expected equality result. got %t; want %t", equal, tc.equal)
}
})
}
})
t.Run("Value & ValueErr", func(t *testing.T) {
testCases := []struct {
name string
elem Element
val Value
err error
}{
{"No Type", Element{}, Value{}, ErrElementMissingType},
{"No Key", Element{0x01, 'f', 'o', 'o'}, Value{}, ErrElementMissingKey},
{"Insufficient Bytes", AppendHeader(nil, TypeDouble, "foo"), Value{}, NewInsufficientBytesError(nil, nil)},
{"Success", AppendDoubleElement(nil, "foo", 3.14159), Value{Type: TypeDouble, Data: AppendDouble(nil, 3.14159)}, nil},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
t.Run("Value", func(t *testing.T) {
val := tc.elem.Value()
if !cmp.Equal(val, tc.val) {
t.Errorf("Values do not match. got %v; want %v", val, tc.val)
}
})
t.Run("ValueErr", func(t *testing.T) {
val, err := tc.elem.ValueErr()
if !compareErrors(err, tc.err) {
t.Errorf("errors do not match. got %v; want %v", err, tc.err)
}
if !cmp.Equal(val, tc.val) {
t.Errorf("Values do not match. got %v; want %v", val, tc.val)
}
})
})
}
})
}