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127 lines
3.1 KiB
Go
127 lines
3.1 KiB
Go
package locker
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import (
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"database/sql"
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"testing"
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"time"
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"github.com/DATA-DOG/go-sqlmock"
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)
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type dbMock struct {
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db *sql.DB
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mock sqlmock.Sqlmock
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}
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func mockDB(t *testing.T) *dbMock {
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mockDB := dbMock{}
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var err error
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mockDB.db, mockDB.mock, err = sqlmock.New()
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if err != nil {
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t.Fatalf("error occured while creating stub db %v", err)
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}
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mockDB.mock.MatchExpectationsInOrder(true)
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return &mockDB
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}
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func (db *dbMock) expectCommit() *dbMock {
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db.mock.ExpectCommit()
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return db
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}
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func (db *dbMock) expectRollback() *dbMock {
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db.mock.ExpectRollback()
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return db
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}
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func (db *dbMock) expectBegin() *dbMock {
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db.mock.ExpectBegin()
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return db
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}
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func (db *dbMock) expectSavepoint() *dbMock {
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db.mock.ExpectExec("SAVEPOINT").WillReturnResult(sqlmock.NewResult(1, 1))
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return db
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}
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func (db *dbMock) expectReleaseSavepoint() *dbMock {
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db.mock.ExpectExec("RELEASE SAVEPOINT").WillReturnResult(sqlmock.NewResult(1, 1))
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return db
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}
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func (db *dbMock) expectRenew(lockerID, view, instanceID string, affectedRows int64) *dbMock {
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query := db.mock.
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ExpectExec(`INSERT INTO table\.locks \(locker_id, locked_until, view_name, instance_id\) VALUES \(\$1, now\(\)\+\$2::INTERVAL, \$3\, \$4\) ON CONFLICT \(view_name, instance_id\) DO UPDATE SET locker_id = \$1, locked_until = now\(\)\+\$2::INTERVAL WHERE locks\.view_name = \$3 AND locks\.instance_id = \$4 AND \(locks\.locker_id = \$1 OR locks\.locked_until < now\(\)\)`).
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WithArgs(lockerID, sqlmock.AnyArg(), view, instanceID).
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WillReturnResult(sqlmock.NewResult(1, 1))
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if affectedRows == 0 {
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query.WillReturnResult(sqlmock.NewResult(0, 0))
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} else {
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query.WillReturnResult(sqlmock.NewResult(1, affectedRows))
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}
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return db
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}
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func Test_locker_Renew(t *testing.T) {
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type fields struct {
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db *dbMock
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}
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type args struct {
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tableName string
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lockerID string
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viewModel string
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instanceID string
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waitTime time.Duration
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}
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tests := []struct {
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name string
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fields fields
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args args
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wantErr bool
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}{
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{
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name: "renew succeeded",
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fields: fields{
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db: mockDB(t).
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expectBegin().
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expectSavepoint().
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expectRenew("locker", "view", "instanceID", 1).
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expectReleaseSavepoint().
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expectCommit(),
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},
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args: args{tableName: "table.locks", lockerID: "locker", viewModel: "view", instanceID: "instanceID", waitTime: 1 * time.Second},
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wantErr: false,
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},
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{
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name: "renew now rows updated",
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fields: fields{
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db: mockDB(t).
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expectBegin().
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expectSavepoint().
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expectRenew("locker", "view", "instanceID", 0).
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expectRollback(),
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},
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args: args{tableName: "table.locks", lockerID: "locker", viewModel: "view", instanceID: "instanceID", waitTime: 1 * time.Second},
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wantErr: true,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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if err := Renew(tt.fields.db.db, tt.args.tableName, tt.args.lockerID, tt.args.viewModel, tt.args.instanceID, tt.args.waitTime); (err != nil) != tt.wantErr {
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t.Errorf("locker.Renew() error = %v, wantErr %v", err, tt.wantErr)
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}
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if err := tt.fields.db.mock.ExpectationsWereMet(); err != nil {
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t.Errorf("not all database expectations met: %v", err)
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}
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})
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}
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}
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