mirror of https://github.com/restic/restic.git
572 lines
16 KiB
Go
572 lines
16 KiB
Go
/*
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Copyright 2017 Google Inc. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package spanner
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import (
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"reflect"
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"sort"
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"strings"
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"testing"
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proto3 "github.com/golang/protobuf/ptypes/struct"
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sppb "google.golang.org/genproto/googleapis/spanner/v1"
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)
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// keysetProto returns protobuf encoding of valid spanner.KeySet.
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func keysetProto(t *testing.T, ks KeySet) *sppb.KeySet {
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k, err := ks.keySetProto()
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if err != nil {
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t.Fatalf("cannot convert keyset %v to protobuf: %v", ks, err)
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}
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return k
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}
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// Test encoding from spanner.Mutation to protobuf.
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func TestMutationToProto(t *testing.T) {
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for i, test := range []struct {
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m *Mutation
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want *sppb.Mutation
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}{
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// Delete Mutation
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{
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&Mutation{opDelete, "t_foo", Key{"foo"}, nil, nil},
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&sppb.Mutation{
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Operation: &sppb.Mutation_Delete_{
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Delete: &sppb.Mutation_Delete{
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Table: "t_foo",
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KeySet: keysetProto(t, Key{"foo"}),
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},
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},
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},
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},
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// Insert Mutation
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{
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&Mutation{opInsert, "t_foo", KeySets(), []string{"col1", "col2"}, []interface{}{int64(1), int64(2)}},
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&sppb.Mutation{
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Operation: &sppb.Mutation_Insert{
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Insert: &sppb.Mutation_Write{
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Table: "t_foo",
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Columns: []string{"col1", "col2"},
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Values: []*proto3.ListValue{
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&proto3.ListValue{
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Values: []*proto3.Value{intProto(1), intProto(2)},
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},
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},
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},
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},
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},
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},
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// InsertOrUpdate Mutation
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{
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&Mutation{opInsertOrUpdate, "t_foo", KeySets(), []string{"col1", "col2"}, []interface{}{1.0, 2.0}},
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&sppb.Mutation{
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Operation: &sppb.Mutation_InsertOrUpdate{
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InsertOrUpdate: &sppb.Mutation_Write{
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Table: "t_foo",
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Columns: []string{"col1", "col2"},
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Values: []*proto3.ListValue{
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&proto3.ListValue{
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Values: []*proto3.Value{floatProto(1.0), floatProto(2.0)},
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},
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},
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},
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},
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},
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},
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// Replace Mutation
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{
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&Mutation{opReplace, "t_foo", KeySets(), []string{"col1", "col2"}, []interface{}{"one", 2.0}},
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&sppb.Mutation{
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Operation: &sppb.Mutation_Replace{
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Replace: &sppb.Mutation_Write{
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Table: "t_foo",
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Columns: []string{"col1", "col2"},
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Values: []*proto3.ListValue{
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&proto3.ListValue{
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Values: []*proto3.Value{stringProto("one"), floatProto(2.0)},
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},
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},
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},
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},
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},
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},
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// Update Mutation
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{
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&Mutation{opUpdate, "t_foo", KeySets(), []string{"col1", "col2"}, []interface{}{"one", []byte(nil)}},
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&sppb.Mutation{
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Operation: &sppb.Mutation_Update{
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Update: &sppb.Mutation_Write{
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Table: "t_foo",
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Columns: []string{"col1", "col2"},
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Values: []*proto3.ListValue{
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&proto3.ListValue{
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Values: []*proto3.Value{stringProto("one"), nullProto()},
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},
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},
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},
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},
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},
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},
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} {
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if got, err := test.m.proto(); err != nil || !reflect.DeepEqual(got, test.want) {
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t.Errorf("%d: (%#v).proto() = (%v, %v), want (%v, nil)", i, test.m, got, err, test.want)
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}
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}
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}
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// mutationColumnSorter implements sort.Interface for sorting column-value pairs in a Mutation by column names.
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type mutationColumnSorter struct {
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Mutation
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}
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// newMutationColumnSorter creates new instance of mutationColumnSorter by duplicating the input Mutation so that
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// sorting won't change the input Mutation.
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func newMutationColumnSorter(m *Mutation) *mutationColumnSorter {
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return &mutationColumnSorter{
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Mutation{
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m.op,
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m.table,
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m.keySet,
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append([]string(nil), m.columns...),
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append([]interface{}(nil), m.values...),
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},
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}
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}
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// Len implements sort.Interface.Len.
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func (ms *mutationColumnSorter) Len() int {
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return len(ms.columns)
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}
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// Swap implements sort.Interface.Swap.
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func (ms *mutationColumnSorter) Swap(i, j int) {
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ms.columns[i], ms.columns[j] = ms.columns[j], ms.columns[i]
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ms.values[i], ms.values[j] = ms.values[j], ms.values[i]
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}
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// Less implements sort.Interface.Less.
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func (ms *mutationColumnSorter) Less(i, j int) bool {
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return strings.Compare(ms.columns[i], ms.columns[j]) < 0
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}
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// mutationEqual returns true if two mutations in question are equal
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// to each other.
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func mutationEqual(t *testing.T, m1, m2 Mutation) bool {
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// Two mutations are considered to be equal even if their column values have different
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// orders.
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ms1 := newMutationColumnSorter(&m1)
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ms2 := newMutationColumnSorter(&m2)
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sort.Sort(ms1)
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sort.Sort(ms2)
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return reflect.DeepEqual(ms1, ms2)
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}
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// Test helper functions which help to generate spanner.Mutation.
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func TestMutationHelpers(t *testing.T) {
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for _, test := range []struct {
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m string
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got *Mutation
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want *Mutation
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}{
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{
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"Insert",
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Insert("t_foo", []string{"col1", "col2"}, []interface{}{int64(1), int64(2)}),
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&Mutation{opInsert, "t_foo", nil, []string{"col1", "col2"}, []interface{}{int64(1), int64(2)}},
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},
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{
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"InsertMap",
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InsertMap("t_foo", map[string]interface{}{"col1": int64(1), "col2": int64(2)}),
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&Mutation{opInsert, "t_foo", nil, []string{"col1", "col2"}, []interface{}{int64(1), int64(2)}},
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},
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{
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"InsertStruct",
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func() *Mutation {
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m, err := InsertStruct(
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"t_foo",
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struct {
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notCol bool
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Col1 int64 `spanner:"col1"`
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Col2 int64 `spanner:"col2"`
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}{false, int64(1), int64(2)},
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)
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if err != nil {
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t.Errorf("cannot convert struct into mutation: %v", err)
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}
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return m
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}(),
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&Mutation{opInsert, "t_foo", nil, []string{"col1", "col2"}, []interface{}{int64(1), int64(2)}},
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},
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{
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"Update",
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Update("t_foo", []string{"col1", "col2"}, []interface{}{"one", []byte(nil)}),
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&Mutation{opUpdate, "t_foo", nil, []string{"col1", "col2"}, []interface{}{"one", []byte(nil)}},
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},
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{
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"UpdateMap",
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UpdateMap("t_foo", map[string]interface{}{"col1": "one", "col2": []byte(nil)}),
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&Mutation{opUpdate, "t_foo", nil, []string{"col1", "col2"}, []interface{}{"one", []byte(nil)}},
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},
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{
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"UpdateStruct",
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func() *Mutation {
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m, err := UpdateStruct(
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"t_foo",
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struct {
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Col1 string `spanner:"col1"`
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notCol int
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Col2 []byte `spanner:"col2"`
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}{"one", 1, nil},
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)
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if err != nil {
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t.Errorf("cannot convert struct into mutation: %v", err)
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}
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return m
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}(),
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&Mutation{opUpdate, "t_foo", nil, []string{"col1", "col2"}, []interface{}{"one", []byte(nil)}},
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},
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{
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"InsertOrUpdate",
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InsertOrUpdate("t_foo", []string{"col1", "col2"}, []interface{}{1.0, 2.0}),
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&Mutation{opInsertOrUpdate, "t_foo", nil, []string{"col1", "col2"}, []interface{}{1.0, 2.0}},
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},
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{
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"InsertOrUpdateMap",
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InsertOrUpdateMap("t_foo", map[string]interface{}{"col1": 1.0, "col2": 2.0}),
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&Mutation{opInsertOrUpdate, "t_foo", nil, []string{"col1", "col2"}, []interface{}{1.0, 2.0}},
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},
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{
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"InsertOrUpdateStruct",
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func() *Mutation {
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m, err := InsertOrUpdateStruct(
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"t_foo",
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struct {
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Col1 float64 `spanner:"col1"`
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Col2 float64 `spanner:"col2"`
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notCol float64
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}{1.0, 2.0, 3.0},
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)
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if err != nil {
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t.Errorf("cannot convert struct into mutation: %v", err)
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}
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return m
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}(),
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&Mutation{opInsertOrUpdate, "t_foo", nil, []string{"col1", "col2"}, []interface{}{1.0, 2.0}},
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},
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{
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"Replace",
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Replace("t_foo", []string{"col1", "col2"}, []interface{}{"one", 2.0}),
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&Mutation{opReplace, "t_foo", nil, []string{"col1", "col2"}, []interface{}{"one", 2.0}},
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},
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{
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"ReplaceMap",
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ReplaceMap("t_foo", map[string]interface{}{"col1": "one", "col2": 2.0}),
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&Mutation{opReplace, "t_foo", nil, []string{"col1", "col2"}, []interface{}{"one", 2.0}},
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},
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{
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"ReplaceStruct",
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func() *Mutation {
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m, err := ReplaceStruct(
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"t_foo",
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struct {
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Col1 string `spanner:"col1"`
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Col2 float64 `spanner:"col2"`
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notCol string
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}{"one", 2.0, "foo"},
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)
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if err != nil {
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t.Errorf("cannot convert struct into mutation: %v", err)
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}
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return m
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}(),
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&Mutation{opReplace, "t_foo", nil, []string{"col1", "col2"}, []interface{}{"one", 2.0}},
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},
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{
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"Delete",
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Delete("t_foo", Key{"foo"}),
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&Mutation{opDelete, "t_foo", Key{"foo"}, nil, nil},
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},
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{
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"DeleteRange",
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Delete("t_foo", KeyRange{Key{"bar"}, Key{"foo"}, ClosedClosed}),
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&Mutation{opDelete, "t_foo", KeyRange{Key{"bar"}, Key{"foo"}, ClosedClosed}, nil, nil},
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},
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} {
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if !mutationEqual(t, *test.got, *test.want) {
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t.Errorf("%v: got Mutation %v, want %v", test.m, test.got, test.want)
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}
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}
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}
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// Test encoding non-struct types by using *Struct helpers.
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func TestBadStructs(t *testing.T) {
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val := "i_am_not_a_struct"
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wantErr := errNotStruct(val)
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if _, gotErr := InsertStruct("t_test", val); !reflect.DeepEqual(gotErr, wantErr) {
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t.Errorf("InsertStruct(%q) returns error %v, want %v", val, gotErr, wantErr)
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}
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if _, gotErr := InsertOrUpdateStruct("t_test", val); !reflect.DeepEqual(gotErr, wantErr) {
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t.Errorf("InsertOrUpdateStruct(%q) returns error %v, want %v", val, gotErr, wantErr)
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}
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if _, gotErr := UpdateStruct("t_test", val); !reflect.DeepEqual(gotErr, wantErr) {
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t.Errorf("UpdateStruct(%q) returns error %v, want %v", val, gotErr, wantErr)
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}
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if _, gotErr := ReplaceStruct("t_test", val); !reflect.DeepEqual(gotErr, wantErr) {
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t.Errorf("ReplaceStruct(%q) returns error %v, want %v", val, gotErr, wantErr)
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}
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}
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func TestStructToMutationParams(t *testing.T) {
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// Tests cases not covered elsewhere.
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type S struct{ F int }
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for _, test := range []struct {
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in interface{}
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wantCols []string
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wantVals []interface{}
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wantErr error
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}{
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{nil, nil, nil, errNotStruct(nil)},
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{3, nil, nil, errNotStruct(3)},
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{(*S)(nil), nil, nil, nil},
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{&S{F: 1}, []string{"F"}, []interface{}{1}, nil},
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} {
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gotCols, gotVals, gotErr := structToMutationParams(test.in)
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if !reflect.DeepEqual(gotCols, test.wantCols) {
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t.Errorf("%#v: got cols %v, want %v", test.in, gotCols, test.wantCols)
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}
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if !reflect.DeepEqual(gotVals, test.wantVals) {
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t.Errorf("%#v: got vals %v, want %v", test.in, gotVals, test.wantVals)
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}
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if !reflect.DeepEqual(gotErr, test.wantErr) {
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t.Errorf("%#v: got err %v, want %v", test.in, gotErr, test.wantErr)
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}
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}
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}
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// Test encoding Mutation into proto.
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func TestEncodeMutation(t *testing.T) {
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for _, test := range []struct {
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name string
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mutation Mutation
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wantProto *sppb.Mutation
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wantErr error
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}{
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{
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"OpDelete",
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Mutation{opDelete, "t_test", Key{1}, nil, nil},
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&sppb.Mutation{
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Operation: &sppb.Mutation_Delete_{
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Delete: &sppb.Mutation_Delete{
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Table: "t_test",
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KeySet: &sppb.KeySet{
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Keys: []*proto3.ListValue{listValueProto(intProto(1))},
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},
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},
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},
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},
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nil,
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},
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{
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"OpDelete - Key error",
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Mutation{opDelete, "t_test", Key{struct{}{}}, nil, nil},
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&sppb.Mutation{
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Operation: &sppb.Mutation_Delete_{
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Delete: &sppb.Mutation_Delete{
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Table: "t_test",
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KeySet: &sppb.KeySet{},
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},
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},
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},
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errInvdKeyPartType(struct{}{}),
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},
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{
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"OpInsert",
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Mutation{opInsert, "t_test", nil, []string{"key", "val"}, []interface{}{"foo", 1}},
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&sppb.Mutation{
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Operation: &sppb.Mutation_Insert{
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Insert: &sppb.Mutation_Write{
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Table: "t_test",
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Columns: []string{"key", "val"},
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Values: []*proto3.ListValue{listValueProto(stringProto("foo"), intProto(1))},
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},
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},
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},
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nil,
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},
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{
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"OpInsert - Value Type Error",
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Mutation{opInsert, "t_test", nil, []string{"key", "val"}, []interface{}{struct{}{}, 1}},
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&sppb.Mutation{
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Operation: &sppb.Mutation_Insert{
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Insert: &sppb.Mutation_Write{},
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},
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},
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errEncoderUnsupportedType(struct{}{}),
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},
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{
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"OpInsertOrUpdate",
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Mutation{opInsertOrUpdate, "t_test", nil, []string{"key", "val"}, []interface{}{"foo", 1}},
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&sppb.Mutation{
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Operation: &sppb.Mutation_InsertOrUpdate{
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InsertOrUpdate: &sppb.Mutation_Write{
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Table: "t_test",
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Columns: []string{"key", "val"},
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Values: []*proto3.ListValue{listValueProto(stringProto("foo"), intProto(1))},
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},
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},
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},
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nil,
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},
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{
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"OpInsertOrUpdate - Value Type Error",
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Mutation{opInsertOrUpdate, "t_test", nil, []string{"key", "val"}, []interface{}{struct{}{}, 1}},
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&sppb.Mutation{
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Operation: &sppb.Mutation_InsertOrUpdate{
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InsertOrUpdate: &sppb.Mutation_Write{},
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},
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},
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errEncoderUnsupportedType(struct{}{}),
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},
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{
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"OpReplace",
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Mutation{opReplace, "t_test", nil, []string{"key", "val"}, []interface{}{"foo", 1}},
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&sppb.Mutation{
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Operation: &sppb.Mutation_Replace{
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Replace: &sppb.Mutation_Write{
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Table: "t_test",
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Columns: []string{"key", "val"},
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Values: []*proto3.ListValue{listValueProto(stringProto("foo"), intProto(1))},
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},
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},
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},
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nil,
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},
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{
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"OpReplace - Value Type Error",
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Mutation{opReplace, "t_test", nil, []string{"key", "val"}, []interface{}{struct{}{}, 1}},
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&sppb.Mutation{
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Operation: &sppb.Mutation_Replace{
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Replace: &sppb.Mutation_Write{},
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},
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},
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errEncoderUnsupportedType(struct{}{}),
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},
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{
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"OpUpdate",
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Mutation{opUpdate, "t_test", nil, []string{"key", "val"}, []interface{}{"foo", 1}},
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&sppb.Mutation{
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Operation: &sppb.Mutation_Update{
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Update: &sppb.Mutation_Write{
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Table: "t_test",
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Columns: []string{"key", "val"},
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Values: []*proto3.ListValue{listValueProto(stringProto("foo"), intProto(1))},
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},
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},
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},
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nil,
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},
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{
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"OpUpdate - Value Type Error",
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Mutation{opUpdate, "t_test", nil, []string{"key", "val"}, []interface{}{struct{}{}, 1}},
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&sppb.Mutation{
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Operation: &sppb.Mutation_Update{
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Update: &sppb.Mutation_Write{},
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},
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},
|
|
errEncoderUnsupportedType(struct{}{}),
|
|
},
|
|
{
|
|
"OpKnown - Unknown Mutation Operation Code",
|
|
Mutation{op(100), "t_test", nil, nil, nil},
|
|
&sppb.Mutation{},
|
|
errInvdMutationOp(Mutation{op(100), "t_test", nil, nil, nil}),
|
|
},
|
|
} {
|
|
gotProto, gotErr := test.mutation.proto()
|
|
if gotErr != nil {
|
|
if !reflect.DeepEqual(gotErr, test.wantErr) {
|
|
t.Errorf("%s: %v.proto() returns error %v, want %v", test.name, test.mutation, gotErr, test.wantErr)
|
|
}
|
|
continue
|
|
}
|
|
if !reflect.DeepEqual(gotProto, test.wantProto) {
|
|
t.Errorf("%s: %v.proto() = (%v, nil), want (%v, nil)", test.name, test.mutation, gotProto, test.wantProto)
|
|
}
|
|
}
|
|
}
|
|
|
|
// Test Encoding an array of mutations.
|
|
func TestEncodeMutationArray(t *testing.T) {
|
|
for _, test := range []struct {
|
|
name string
|
|
ms []*Mutation
|
|
want []*sppb.Mutation
|
|
wantErr error
|
|
}{
|
|
{
|
|
"Multiple Mutations",
|
|
[]*Mutation{
|
|
&Mutation{opDelete, "t_test", Key{"bar"}, nil, nil},
|
|
&Mutation{opInsertOrUpdate, "t_test", nil, []string{"key", "val"}, []interface{}{"foo", 1}},
|
|
},
|
|
[]*sppb.Mutation{
|
|
&sppb.Mutation{
|
|
Operation: &sppb.Mutation_Delete_{
|
|
Delete: &sppb.Mutation_Delete{
|
|
Table: "t_test",
|
|
KeySet: &sppb.KeySet{
|
|
Keys: []*proto3.ListValue{listValueProto(stringProto("bar"))},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
&sppb.Mutation{
|
|
Operation: &sppb.Mutation_InsertOrUpdate{
|
|
InsertOrUpdate: &sppb.Mutation_Write{
|
|
Table: "t_test",
|
|
Columns: []string{"key", "val"},
|
|
Values: []*proto3.ListValue{listValueProto(stringProto("foo"), intProto(1))},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
nil,
|
|
},
|
|
{
|
|
"Multiple Mutations - Bad Mutation",
|
|
[]*Mutation{
|
|
&Mutation{opDelete, "t_test", Key{"bar"}, nil, nil},
|
|
&Mutation{opInsertOrUpdate, "t_test", nil, []string{"key", "val"}, []interface{}{"foo", struct{}{}}},
|
|
},
|
|
[]*sppb.Mutation{},
|
|
errEncoderUnsupportedType(struct{}{}),
|
|
},
|
|
} {
|
|
gotProto, gotErr := mutationsProto(test.ms)
|
|
if gotErr != nil {
|
|
if !reflect.DeepEqual(gotErr, test.wantErr) {
|
|
t.Errorf("%v: mutationsProto(%v) returns error %v, want %v", test.name, test.ms, gotErr, test.wantErr)
|
|
}
|
|
continue
|
|
}
|
|
if !reflect.DeepEqual(gotProto, test.want) {
|
|
t.Errorf("%v: mutationsProto(%v) = (%v, nil), want (%v, nil)", test.name, test.ms, gotProto, test.want)
|
|
}
|
|
}
|
|
}
|