98 lines
2.9 KiB
Go
98 lines
2.9 KiB
Go
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// Copyright (C) MongoDB, Inc. 2017-present.
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may
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// not use this file except in compliance with the License. You may obtain
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// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
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package bsoncodec
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import (
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"reflect"
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"testing"
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"go.mongodb.org/mongo-driver/bson/bsonrw"
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"go.mongodb.org/mongo-driver/bson/bsonrw/bsonrwtest"
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"go.mongodb.org/mongo-driver/internal/testutil/assert"
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)
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func TestCondAddrCodec(t *testing.T) {
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var inner int
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canAddrVal := reflect.ValueOf(&inner)
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addressable := canAddrVal.Elem()
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unaddressable := reflect.ValueOf(inner)
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rw := &bsonrwtest.ValueReaderWriter{}
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t.Run("addressEncode", func(t *testing.T) {
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invoked := 0
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encode1 := ValueEncoderFunc(func(EncodeContext, bsonrw.ValueWriter, reflect.Value) error {
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invoked = 1
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return nil
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})
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encode2 := ValueEncoderFunc(func(EncodeContext, bsonrw.ValueWriter, reflect.Value) error {
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invoked = 2
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return nil
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})
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condEncoder := newCondAddrEncoder(encode1, encode2)
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testCases := []struct {
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name string
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val reflect.Value
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invoked int
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}{
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{"canAddr", addressable, 1},
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{"else", unaddressable, 2},
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}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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err := condEncoder.EncodeValue(EncodeContext{}, rw, tc.val)
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assert.Nil(t, err, "CondAddrEncoder error: %v", err)
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assert.Equal(t, invoked, tc.invoked, "Expected function %v to be called, called %v", tc.invoked, invoked)
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})
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}
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t.Run("error", func(t *testing.T) {
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errEncoder := newCondAddrEncoder(encode1, nil)
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err := errEncoder.EncodeValue(EncodeContext{}, rw, unaddressable)
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want := ErrNoEncoder{Type: unaddressable.Type()}
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assert.Equal(t, err, want, "expected error %v, got %v", want, err)
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})
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})
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t.Run("addressDecode", func(t *testing.T) {
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invoked := 0
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decode1 := ValueDecoderFunc(func(DecodeContext, bsonrw.ValueReader, reflect.Value) error {
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invoked = 1
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return nil
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})
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decode2 := ValueDecoderFunc(func(DecodeContext, bsonrw.ValueReader, reflect.Value) error {
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invoked = 2
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return nil
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})
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condDecoder := newCondAddrDecoder(decode1, decode2)
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testCases := []struct {
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name string
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val reflect.Value
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invoked int
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}{
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{"canAddr", addressable, 1},
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{"else", unaddressable, 2},
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}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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err := condDecoder.DecodeValue(DecodeContext{}, rw, tc.val)
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assert.Nil(t, err, "CondAddrDecoder error: %v", err)
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assert.Equal(t, invoked, tc.invoked, "Expected function %v to be called, called %v", tc.invoked, invoked)
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})
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}
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t.Run("error", func(t *testing.T) {
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errDecoder := newCondAddrDecoder(decode1, nil)
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err := errDecoder.DecodeValue(DecodeContext{}, rw, unaddressable)
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want := ErrNoDecoder{Type: unaddressable.Type()}
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assert.Equal(t, err, want, "expected error %v, got %v", want, err)
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})
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})
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}
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