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namedstmt_test.go
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namedstmt_test.go
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package dbresolver
import (
"context"
"database/sql/driver"
"errors"
"testing"
"github.com/DATA-DOG/go-sqlmock"
"github.com/jmoiron/sqlx"
"github.com/stretchr/testify/assert"
)
func TestNamedStmt_Close(t *testing.T) {
// TODO(proost): add failing test case.
t.Run("success when already closed statement", func(t *testing.T) {
mockDB1, sqlMock1, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock1.ExpectPrepare(`SELECT * FROM person WHERE first_name=?`).
WillBeClosed()
mockPrimaryDB1 := sqlx.NewDb(mockDB1, "mock1")
mockPrimaryDB1Stmt, err := mockPrimaryDB1.PrepareNamed(`SELECT * FROM person WHERE first_name=:first_name`)
assert.NoError(t, err)
mockDB2, sqlMock2, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock2.ExpectPrepare(`SELECT * FROM person WHERE first_name=?`).
WillBeClosed()
mockPrimaryDB2 := sqlx.NewDb(mockDB2, "mock2")
mockPrimaryDB2Stmt, err := mockPrimaryDB2.PrepareNamed(`SELECT * FROM person WHERE first_name=:first_name`)
assert.NoError(t, err)
stmt := &namedStmt{
primaries: []*sqlx.DB{mockPrimaryDB1, mockPrimaryDB2},
reads: []*sqlx.DB{mockPrimaryDB1, mockPrimaryDB2},
primaryStmts: map[*sqlx.DB]*sqlx.NamedStmt{
mockPrimaryDB1: mockPrimaryDB1Stmt,
mockPrimaryDB2: mockPrimaryDB2Stmt,
},
readStmts: map[*sqlx.DB]*sqlx.NamedStmt{
mockPrimaryDB1: mockPrimaryDB1Stmt,
mockPrimaryDB2: mockPrimaryDB2Stmt,
},
}
err = stmt.Close()
assert.NoError(t, err)
})
t.Run("success", func(t *testing.T) {
mockDB1, sqlMock1, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock1.ExpectPrepare(`SELECT * FROM person WHERE first_name=?`).
WillBeClosed()
mockPrimaryDB1 := sqlx.NewDb(mockDB1, "mock1")
mockPrimaryDB1Stmt, err := mockPrimaryDB1.PrepareNamed(`SELECT * FROM person WHERE first_name=:first_name`)
assert.NoError(t, err)
mockDB2, sqlMock2, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock2.ExpectPrepare(`SELECT * FROM person WHERE first_name=?`).
WillBeClosed()
mockPrimaryDB2 := sqlx.NewDb(mockDB2, "mock2")
mockPrimaryDB2Stmt, err := mockPrimaryDB2.PrepareNamed(`SELECT * FROM person WHERE first_name=:first_name`)
assert.NoError(t, err)
mockDB3, sqlMock3, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock3.ExpectPrepare(`SELECT * FROM person WHERE first_name=?`)
mockReadDB1 := sqlx.NewDb(mockDB3, "mock")
mockReadDB1Stmt, err := mockReadDB1.PrepareNamed(`SELECT * FROM person WHERE first_name=:first_name`)
assert.NoError(t, err)
mockDB4, sqlMock4, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock4.ExpectPrepare(`SELECT * FROM person WHERE first_name=?`)
mockReadDB2 := sqlx.NewDb(mockDB4, "mock")
mockReadDB2Stmt, err := mockReadDB2.PrepareNamed(`SELECT * FROM person WHERE first_name=:first_name`)
assert.NoError(t, err)
stmt := &namedStmt{
primaries: []*sqlx.DB{mockPrimaryDB1, mockPrimaryDB2},
reads: []*sqlx.DB{mockReadDB1, mockReadDB2},
primaryStmts: map[*sqlx.DB]*sqlx.NamedStmt{
mockPrimaryDB1: mockPrimaryDB1Stmt,
mockPrimaryDB2: mockPrimaryDB2Stmt,
},
readStmts: map[*sqlx.DB]*sqlx.NamedStmt{
mockReadDB1: mockReadDB1Stmt,
mockReadDB2: mockReadDB2Stmt,
},
}
err = stmt.Close()
assert.NoError(t, err)
})
}
func TestNamedStmt_Exec(t *testing.T) {
t.Run("statement not found", func(t *testing.T) {
mockDB1, sqlMock1, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock1.ExpectPrepare(`INSERT INTO person (first_name, last_name) VALUES (?, ?)`).
ExpectExec()
mockPrimaryDB1 := sqlx.NewDb(mockDB1, "mock1")
mockDB2, sqlMock2, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock2.ExpectPrepare(`INSERT INTO person (first_name, last_name) VALUES (?, ?)`)
mockPrimaryDB2 := sqlx.NewDb(mockDB2, "mock2")
stmt := &namedStmt{
primaries: []*sqlx.DB{mockPrimaryDB1, mockPrimaryDB2},
primaryStmts: map[*sqlx.DB]*sqlx.NamedStmt{},
loadBalancer: &injectedLoadBalancer{
db: mockPrimaryDB1,
},
}
inputArg := map[string]interface{}{
"first_name": "foo",
"last_name": "bar",
}
result, err := stmt.Exec(inputArg)
assert.Nil(t, result)
assert.ErrorIs(t, err, errSelectedNamedStmtNotFound)
})
t.Run("failed to execute query", func(t *testing.T) {
mockDB1, sqlMock1, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
mockError := errors.New("mock error")
sqlMock1.ExpectPrepare(`INSERT INTO person (first_name, last_name) VALUES (?, ?)`).
ExpectExec().
WithArgs(driver.Value("foo"), driver.Value("bar")).
WillReturnError(mockError)
mockPrimaryDB1 := sqlx.NewDb(mockDB1, "mock1")
mockPrimaryDB1Stmt, err := mockPrimaryDB1.PrepareNamed(`INSERT INTO person (first_name, last_name) VALUES (:first_name, :last_name)`)
assert.NoError(t, err)
mockDB2, sqlMock2, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock2.ExpectPrepare(`INSERT INTO person (first_name, last_name) VALUES (?, ?)`)
mockPrimaryDB2 := sqlx.NewDb(mockDB2, "mock2")
mockPrimaryDB2Stmt, err := mockPrimaryDB2.PrepareNamed(`INSERT INTO person (first_name, last_name) VALUES (:first_name, :last_name)`)
assert.NoError(t, err)
stmt := &namedStmt{
primaries: []*sqlx.DB{mockPrimaryDB1, mockPrimaryDB2},
primaryStmts: map[*sqlx.DB]*sqlx.NamedStmt{
mockPrimaryDB1: mockPrimaryDB1Stmt,
mockPrimaryDB2: mockPrimaryDB2Stmt,
},
loadBalancer: &injectedLoadBalancer{
db: mockPrimaryDB1,
},
}
inputArg := map[string]interface{}{
"first_name": "foo",
"last_name": "bar",
}
result, err := stmt.Exec(inputArg)
assert.Nil(t, result)
assert.ErrorIs(t, err, mockError)
})
t.Run("success", func(t *testing.T) {
mockDB1, sqlMock1, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock1.ExpectPrepare(`INSERT INTO person (first_name, last_name) VALUES (?, ?)`).
ExpectExec().
WithArgs(driver.Value("foo"), driver.Value("bar")).
WillReturnResult(sqlmock.NewResult(1, 1))
mockPrimaryDB1 := sqlx.NewDb(mockDB1, "mock1")
mockPrimaryDB1Stmt, err := mockPrimaryDB1.PrepareNamed(`INSERT INTO person (first_name, last_name) VALUES (:first_name, :last_name)`)
assert.NoError(t, err)
mockDB2, sqlMock2, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock2.ExpectPrepare(`INSERT INTO person (first_name, last_name) VALUES (?, ?)`)
mockPrimaryDB2 := sqlx.NewDb(mockDB2, "mock2")
mockPrimaryDB2Stmt, err := mockPrimaryDB2.PrepareNamed(`INSERT INTO person (first_name, last_name) VALUES (:first_name, :last_name)`)
assert.NoError(t, err)
stmt := &namedStmt{
primaries: []*sqlx.DB{mockPrimaryDB1, mockPrimaryDB2},
primaryStmts: map[*sqlx.DB]*sqlx.NamedStmt{
mockPrimaryDB1: mockPrimaryDB1Stmt,
mockPrimaryDB2: mockPrimaryDB2Stmt,
},
loadBalancer: &injectedLoadBalancer{
db: mockPrimaryDB1,
},
}
inputArg := map[string]interface{}{
"first_name": "foo",
"last_name": "bar",
}
result, err := stmt.Exec(inputArg)
assert.NoError(t, err)
lastInsertIDResult, err := result.LastInsertId()
assert.NoError(t, err)
lastRowsAffected, err := result.RowsAffected()
assert.NoError(t, err)
assert.Equal(t, int64(1), lastInsertIDResult)
assert.Equal(t, int64(1), lastRowsAffected)
})
}
func TestNamedStmt_ExecContext(t *testing.T) {
t.Run("statement not found", func(t *testing.T) {
mockDB1, sqlMock1, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock1.ExpectPrepare(`INSERT INTO person (first_name, last_name) VALUES (?, ?)`).
ExpectExec()
mockPrimaryDB1 := sqlx.NewDb(mockDB1, "mock1")
mockDB2, sqlMock2, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock2.ExpectPrepare(`INSERT INTO person (first_name, last_name) VALUES (?, ?)`)
mockPrimaryDB2 := sqlx.NewDb(mockDB2, "mock2")
stmt := &namedStmt{
primaries: []*sqlx.DB{mockPrimaryDB1, mockPrimaryDB2},
primaryStmts: map[*sqlx.DB]*sqlx.NamedStmt{},
loadBalancer: &injectedLoadBalancer{
db: mockPrimaryDB1,
},
}
inputArg := map[string]interface{}{
"first_name": "foo",
"last_name": "bar",
}
result, err := stmt.ExecContext(context.Background(), inputArg)
assert.Nil(t, result)
assert.ErrorIs(t, err, errSelectedNamedStmtNotFound)
})
t.Run("failed to execute query", func(t *testing.T) {
mockDB1, sqlMock1, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
mockError := errors.New("mock error")
sqlMock1.ExpectPrepare(`INSERT INTO person (first_name, last_name) VALUES (?, ?)`).
ExpectExec().
WithArgs(driver.Value("foo"), driver.Value("bar")).
WillReturnError(mockError)
mockPrimaryDB1 := sqlx.NewDb(mockDB1, "mock1")
mockPrimaryDB1Stmt, err := mockPrimaryDB1.PrepareNamed(`INSERT INTO person (first_name, last_name) VALUES (:first_name, :last_name)`)
assert.NoError(t, err)
mockDB2, sqlMock2, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock2.ExpectPrepare(`INSERT INTO person (first_name, last_name) VALUES (?, ?)`)
mockPrimaryDB2 := sqlx.NewDb(mockDB2, "mock2")
mockPrimaryDB2Stmt, err := mockPrimaryDB2.PrepareNamed(`INSERT INTO person (first_name, last_name) VALUES (:first_name, :last_name)`)
assert.NoError(t, err)
stmt := &namedStmt{
primaries: []*sqlx.DB{mockPrimaryDB1, mockPrimaryDB2},
primaryStmts: map[*sqlx.DB]*sqlx.NamedStmt{
mockPrimaryDB1: mockPrimaryDB1Stmt,
mockPrimaryDB2: mockPrimaryDB2Stmt,
},
loadBalancer: &injectedLoadBalancer{
db: mockPrimaryDB1,
},
}
inputArg := map[string]interface{}{
"first_name": "foo",
"last_name": "bar",
}
result, err := stmt.ExecContext(context.Background(), inputArg)
assert.Nil(t, result)
assert.ErrorIs(t, err, mockError)
})
t.Run("success", func(t *testing.T) {
mockDB1, sqlMock1, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock1.ExpectPrepare(`INSERT INTO person (first_name, last_name) VALUES (?, ?)`).
ExpectExec().
WithArgs(driver.Value("foo"), driver.Value("bar")).
WillReturnResult(sqlmock.NewResult(1, 1))
mockPrimaryDB1 := sqlx.NewDb(mockDB1, "mock1")
mockPrimaryDB1Stmt, err := mockPrimaryDB1.PrepareNamed(`INSERT INTO person (first_name, last_name) VALUES (:first_name, :last_name)`)
assert.NoError(t, err)
mockDB2, sqlMock2, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock2.ExpectPrepare(`INSERT INTO person (first_name, last_name) VALUES (?, ?)`)
mockPrimaryDB2 := sqlx.NewDb(mockDB2, "mock2")
mockPrimaryDB2Stmt, err := mockPrimaryDB2.PrepareNamed(`INSERT INTO person (first_name, last_name) VALUES (:first_name, :last_name)`)
assert.NoError(t, err)
stmt := &namedStmt{
primaries: []*sqlx.DB{mockPrimaryDB1, mockPrimaryDB2},
primaryStmts: map[*sqlx.DB]*sqlx.NamedStmt{
mockPrimaryDB1: mockPrimaryDB1Stmt,
mockPrimaryDB2: mockPrimaryDB2Stmt,
},
loadBalancer: &injectedLoadBalancer{
db: mockPrimaryDB1,
},
}
inputArg := map[string]interface{}{
"first_name": "foo",
"last_name": "bar",
}
result, err := stmt.ExecContext(context.Background(), inputArg)
assert.NoError(t, err)
lastInsertIDResult, err := result.LastInsertId()
assert.NoError(t, err)
lastRowsAffected, err := result.RowsAffected()
assert.NoError(t, err)
assert.Equal(t, int64(1), lastInsertIDResult)
assert.Equal(t, int64(1), lastRowsAffected)
})
}
func TestNamedStmt_Get(t *testing.T) {
t.Run("statement not found", func(t *testing.T) {
type Person struct {
FirstName string `db:"first_name"`
LastName string `db:"last_name"`
}
mockDB1, sqlMock1, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock1.ExpectPrepare(`SELECT * FROM person WHERE first_name=?`).
ExpectQuery()
mockRead1 := sqlx.NewDb(mockDB1, "mock1")
mockDB2, sqlMock2, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock2.ExpectPrepare(`SELECT * FROM person WHERE first_name=?`)
mockRead2 := sqlx.NewDb(mockDB2, "mock2")
stmt := &namedStmt{
reads: []*sqlx.DB{mockRead1, mockRead2},
readStmts: map[*sqlx.DB]*sqlx.NamedStmt{},
loadBalancer: &injectedLoadBalancer{
db: mockRead1,
},
}
inputArg := map[string]interface{}{
"first_name": "foo",
}
result := &Person{}
err := stmt.Get(result, inputArg)
assert.ErrorIs(t, err, errSelectedNamedStmtNotFound)
})
t.Run("failed to execute query", func(t *testing.T) {
type Person struct {
FirstName string `db:"first_name"`
LastName string `db:"last_name"`
}
mockDB1, sqlMock1, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
mockError := errors.New("mock error")
sqlMock1.ExpectPrepare(`SELECT * FROM person WHERE first_name=?`).
ExpectQuery().
WithArgs(driver.Value("foo")).
WillReturnError(mockError)
mockRead1 := sqlx.NewDb(mockDB1, "mock1")
mockReadStmt1, err := mockRead1.PrepareNamed(`SELECT * FROM person WHERE first_name=:first_name`)
assert.NoError(t, err)
mockDB2, sqlMock2, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock2.ExpectPrepare(`SELECT * FROM person WHERE first_name=?`)
mockRead2 := sqlx.NewDb(mockDB2, "mock2")
mockReadStmt2, err := mockRead2.PrepareNamed(`SELECT * FROM person WHERE first_name=:first_name`)
assert.NoError(t, err)
stmt := &namedStmt{
reads: []*sqlx.DB{mockRead1, mockRead2},
readStmts: map[*sqlx.DB]*sqlx.NamedStmt{
mockRead1: mockReadStmt1,
mockRead2: mockReadStmt2,
},
loadBalancer: &injectedLoadBalancer{
db: mockRead1,
},
}
inputArg := map[string]interface{}{
"first_name": "foo",
}
result := &Person{}
err = stmt.Get(result, inputArg)
assert.ErrorIs(t, err, mockError)
})
t.Run("success", func(t *testing.T) {
type Person struct {
FirstName string `db:"first_name"`
LastName string `db:"last_name"`
}
mockDB1, sqlMock1, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock1.ExpectPrepare(`SELECT * FROM person WHERE first_name=?`).
ExpectQuery().
WithArgs(driver.Value("foo")).
WillReturnRows(sqlmock.NewRows([]string{"first_name", "last_name"}).
AddRow("foo", "bar"))
mockRead1 := sqlx.NewDb(mockDB1, "mock1")
mockReadStmt1, err := mockRead1.PrepareNamed(`SELECT * FROM person WHERE first_name=:first_name`)
assert.NoError(t, err)
mockDB2, sqlMock2, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock2.ExpectPrepare(`SELECT * FROM person WHERE first_name=?`)
mockRead2 := sqlx.NewDb(mockDB2, "mock2")
mockReadStmt2, err := mockRead2.PrepareNamed(`SELECT * FROM person WHERE first_name=:first_name`)
assert.NoError(t, err)
stmt := &namedStmt{
reads: []*sqlx.DB{mockRead1, mockRead2},
readStmts: map[*sqlx.DB]*sqlx.NamedStmt{
mockRead1: mockReadStmt1,
mockRead2: mockReadStmt2,
},
loadBalancer: &injectedLoadBalancer{
db: mockRead1,
},
}
inputArg := map[string]interface{}{
"first_name": "foo",
}
result := &Person{}
err = stmt.Get(result, inputArg)
assert.NoError(t, err)
expected := &Person{
FirstName: "foo",
LastName: "bar",
}
assert.Equal(t, expected, result)
})
}
func TestNamedStmt_GetContext(t *testing.T) {
t.Run("statement not found", func(t *testing.T) {
type Person struct {
FirstName string `db:"first_name"`
LastName string `db:"last_name"`
}
mockDB1, sqlMock1, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock1.ExpectPrepare(`SELECT * FROM person WHERE first_name=?`).
ExpectQuery()
mockRead1 := sqlx.NewDb(mockDB1, "mock1")
mockDB2, sqlMock2, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock2.ExpectPrepare(`SELECT * FROM person WHERE first_name=?`)
mockRead2 := sqlx.NewDb(mockDB2, "mock2")
stmt := &namedStmt{
reads: []*sqlx.DB{mockRead1, mockRead2},
readStmts: map[*sqlx.DB]*sqlx.NamedStmt{},
loadBalancer: &injectedLoadBalancer{
db: mockRead1,
},
}
inputArg := map[string]interface{}{
"first_name": "foo",
}
result := &Person{}
err := stmt.GetContext(context.Background(), result, inputArg)
assert.ErrorIs(t, err, errSelectedNamedStmtNotFound)
})
t.Run("failed to execute query", func(t *testing.T) {
type Person struct {
FirstName string `db:"first_name"`
LastName string `db:"last_name"`
}
mockDB1, sqlMock1, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
mockError := errors.New("mock error")
sqlMock1.ExpectPrepare(`SELECT * FROM person WHERE first_name=?`).
ExpectQuery().
WithArgs(driver.Value("foo")).
WillReturnError(mockError)
mockRead1 := sqlx.NewDb(mockDB1, "mock1")
mockReadStmt1, err := mockRead1.PrepareNamed(`SELECT * FROM person WHERE first_name=:first_name`)
assert.NoError(t, err)
mockDB2, sqlMock2, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock2.ExpectPrepare(`SELECT * FROM person WHERE first_name=?`)
mockRead2 := sqlx.NewDb(mockDB2, "mock2")
mockReadStmt2, err := mockRead2.PrepareNamed(`SELECT * FROM person WHERE first_name=:first_name`)
assert.NoError(t, err)
stmt := &namedStmt{
reads: []*sqlx.DB{mockRead1, mockRead2},
readStmts: map[*sqlx.DB]*sqlx.NamedStmt{
mockRead1: mockReadStmt1,
mockRead2: mockReadStmt2,
},
loadBalancer: &injectedLoadBalancer{
db: mockRead1,
},
}
inputArg := map[string]interface{}{
"first_name": "foo",
}
result := &Person{}
err = stmt.GetContext(context.Background(), result, inputArg)
assert.ErrorIs(t, err, mockError)
})
t.Run("success", func(t *testing.T) {
type Person struct {
FirstName string `db:"first_name"`
LastName string `db:"last_name"`
}
mockDB1, sqlMock1, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock1.ExpectPrepare(`SELECT * FROM person WHERE first_name=?`).
ExpectQuery().
WithArgs(driver.Value("foo")).
WillReturnRows(sqlmock.NewRows([]string{"first_name", "last_name"}).
AddRow("foo", "bar"))
mockRead1 := sqlx.NewDb(mockDB1, "mock1")
mockReadStmt1, err := mockRead1.PrepareNamed(`SELECT * FROM person WHERE first_name=:first_name`)
assert.NoError(t, err)
mockDB2, sqlMock2, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock2.ExpectPrepare(`SELECT * FROM person WHERE first_name=?`)
mockRead2 := sqlx.NewDb(mockDB2, "mock2")
mockReadStmt2, err := mockRead2.PrepareNamed(`SELECT * FROM person WHERE first_name=:first_name`)
assert.NoError(t, err)
stmt := &namedStmt{
reads: []*sqlx.DB{mockRead1, mockRead2},
readStmts: map[*sqlx.DB]*sqlx.NamedStmt{
mockRead1: mockReadStmt1,
mockRead2: mockReadStmt2,
},
loadBalancer: &injectedLoadBalancer{
db: mockRead1,
},
}
inputArg := map[string]interface{}{
"first_name": "foo",
}
result := &Person{}
err = stmt.GetContext(context.Background(), result, inputArg)
assert.NoError(t, err)
expected := &Person{
FirstName: "foo",
LastName: "bar",
}
assert.Equal(t, expected, result)
})
}
func TestNamedStmt_MustExec(t *testing.T) {
t.Run("statement not found", func(t *testing.T) {
mockDB1, sqlMock1, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock1.ExpectPrepare(`INSERT INTO person (first_name, last_name) VALUES (?, ?)`).
ExpectExec()
mockPrimaryDB1 := sqlx.NewDb(mockDB1, "mock1")
mockDB2, sqlMock2, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock2.ExpectPrepare(`INSERT INTO person (first_name, last_name) VALUES (?, ?)`)
mockPrimaryDB2 := sqlx.NewDb(mockDB2, "mock2")
stmt := &namedStmt{
primaries: []*sqlx.DB{mockPrimaryDB1, mockPrimaryDB2},
primaryStmts: map[*sqlx.DB]*sqlx.NamedStmt{},
loadBalancer: &injectedLoadBalancer{
db: mockPrimaryDB1,
},
}
inputArg := map[string]interface{}{
"first_name": "foo",
"last_name": "bar",
}
assert.Panics(t, func() {
result := stmt.MustExec(inputArg)
assert.Nil(t, result)
})
})
t.Run("failed to execute query", func(t *testing.T) {
mockDB1, sqlMock1, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
mockError := errors.New("mock error")
sqlMock1.ExpectPrepare(`INSERT INTO person (first_name, last_name) VALUES (?, ?)`).
ExpectExec().
WithArgs(driver.Value("foo"), driver.Value("bar")).
WillReturnError(mockError)
mockPrimaryDB1 := sqlx.NewDb(mockDB1, "mock1")
mockPrimaryDB1Stmt, err := mockPrimaryDB1.PrepareNamed(`INSERT INTO person (first_name, last_name) VALUES (:first_name, :last_name)`)
assert.NoError(t, err)
mockDB2, sqlMock2, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock2.ExpectPrepare(`INSERT INTO person (first_name, last_name) VALUES (?, ?)`)
mockPrimaryDB2 := sqlx.NewDb(mockDB2, "mock2")
mockPrimaryDB2Stmt, err := mockPrimaryDB2.PrepareNamed(`INSERT INTO person (first_name, last_name) VALUES (:first_name, :last_name)`)
assert.NoError(t, err)
stmt := &namedStmt{
primaries: []*sqlx.DB{mockPrimaryDB1, mockPrimaryDB2},
primaryStmts: map[*sqlx.DB]*sqlx.NamedStmt{
mockPrimaryDB1: mockPrimaryDB1Stmt,
mockPrimaryDB2: mockPrimaryDB2Stmt,
},
loadBalancer: &injectedLoadBalancer{
db: mockPrimaryDB1,
},
}
inputArg := map[string]interface{}{
"first_name": "foo",
"last_name": "bar",
}
assert.Panics(t, func() {
result := stmt.MustExec(inputArg)
assert.Nil(t, result)
})
})
t.Run("success", func(t *testing.T) {
mockDB1, sqlMock1, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock1.ExpectPrepare(`INSERT INTO person (first_name, last_name) VALUES (?, ?)`).
ExpectExec().
WithArgs(driver.Value("foo"), driver.Value("bar")).
WillReturnResult(sqlmock.NewResult(1, 1))
mockPrimaryDB1 := sqlx.NewDb(mockDB1, "mock1")
mockPrimaryDB1Stmt, err := mockPrimaryDB1.PrepareNamed(`INSERT INTO person (first_name, last_name) VALUES (:first_name, :last_name)`)
assert.NoError(t, err)
mockDB2, sqlMock2, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock2.ExpectPrepare(`INSERT INTO person (first_name, last_name) VALUES (?, ?)`)
mockPrimaryDB2 := sqlx.NewDb(mockDB2, "mock2")
mockPrimaryDB2Stmt, err := mockPrimaryDB2.PrepareNamed(`INSERT INTO person (first_name, last_name) VALUES (:first_name, :last_name)`)
assert.NoError(t, err)
stmt := &namedStmt{
primaries: []*sqlx.DB{mockPrimaryDB1, mockPrimaryDB2},
primaryStmts: map[*sqlx.DB]*sqlx.NamedStmt{
mockPrimaryDB1: mockPrimaryDB1Stmt,
mockPrimaryDB2: mockPrimaryDB2Stmt,
},
loadBalancer: &injectedLoadBalancer{
db: mockPrimaryDB1,
},
}
inputArg := map[string]interface{}{
"first_name": "foo",
"last_name": "bar",
}
result := stmt.MustExec(inputArg)
lastInsertIDResult, err := result.LastInsertId()
assert.NoError(t, err)
lastRowsAffected, err := result.RowsAffected()
assert.NoError(t, err)
assert.Equal(t, int64(1), lastInsertIDResult)
assert.Equal(t, int64(1), lastRowsAffected)
})
}
func TestNamedStmt_MustExecContext(t *testing.T) {
t.Run("statement not found", func(t *testing.T) {
mockDB1, sqlMock1, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock1.ExpectPrepare(`INSERT INTO person (first_name, last_name) VALUES (?, ?)`).
ExpectExec()
mockPrimaryDB1 := sqlx.NewDb(mockDB1, "mock1")
mockDB2, sqlMock2, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock2.ExpectPrepare(`INSERT INTO person (first_name, last_name) VALUES (?, ?)`)
mockPrimaryDB2 := sqlx.NewDb(mockDB2, "mock2")
stmt := &namedStmt{
primaries: []*sqlx.DB{mockPrimaryDB1, mockPrimaryDB2},
primaryStmts: map[*sqlx.DB]*sqlx.NamedStmt{},
loadBalancer: &injectedLoadBalancer{
db: mockPrimaryDB1,
},
}
inputArg := map[string]interface{}{
"first_name": "foo",
"last_name": "bar",
}
assert.Panics(t, func() {
result := stmt.MustExecContext(context.Background(), inputArg)
assert.Nil(t, result)
})
})
t.Run("failed to execute query", func(t *testing.T) {
mockDB1, sqlMock1, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
mockError := errors.New("mock error")
sqlMock1.ExpectPrepare(`INSERT INTO person (first_name, last_name) VALUES (?, ?)`).
ExpectExec().
WithArgs(driver.Value("foo"), driver.Value("bar")).
WillReturnError(mockError)
mockPrimaryDB1 := sqlx.NewDb(mockDB1, "mock1")
mockPrimaryDB1Stmt, err := mockPrimaryDB1.PrepareNamed(`INSERT INTO person (first_name, last_name) VALUES (:first_name, :last_name)`)
assert.NoError(t, err)
mockDB2, sqlMock2, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock2.ExpectPrepare(`INSERT INTO person (first_name, last_name) VALUES (?, ?)`)
mockPrimaryDB2 := sqlx.NewDb(mockDB2, "mock2")
mockPrimaryDB2Stmt, err := mockPrimaryDB2.PrepareNamed(`INSERT INTO person (first_name, last_name) VALUES (:first_name, :last_name)`)
assert.NoError(t, err)
stmt := &namedStmt{
primaries: []*sqlx.DB{mockPrimaryDB1, mockPrimaryDB2},
primaryStmts: map[*sqlx.DB]*sqlx.NamedStmt{
mockPrimaryDB1: mockPrimaryDB1Stmt,
mockPrimaryDB2: mockPrimaryDB2Stmt,
},
loadBalancer: &injectedLoadBalancer{
db: mockPrimaryDB1,
},
}
inputArg := map[string]interface{}{
"first_name": "foo",
"last_name": "bar",
}
assert.Panics(t, func() {
result := stmt.MustExecContext(context.Background(), inputArg)
assert.Nil(t, result)
})
})
t.Run("success", func(t *testing.T) {
mockDB1, sqlMock1, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock1.ExpectPrepare(`INSERT INTO person (first_name, last_name) VALUES (?, ?)`).
ExpectExec().
WithArgs(driver.Value("foo"), driver.Value("bar")).
WillReturnResult(sqlmock.NewResult(1, 1))
mockPrimaryDB1 := sqlx.NewDb(mockDB1, "mock1")
mockPrimaryDB1Stmt, err := mockPrimaryDB1.PrepareNamed(`INSERT INTO person (first_name, last_name) VALUES (:first_name, :last_name)`)
assert.NoError(t, err)
mockDB2, sqlMock2, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock2.ExpectPrepare(`INSERT INTO person (first_name, last_name) VALUES (?, ?)`)
mockPrimaryDB2 := sqlx.NewDb(mockDB2, "mock2")
mockPrimaryDB2Stmt, err := mockPrimaryDB2.PrepareNamed(`INSERT INTO person (first_name, last_name) VALUES (:first_name, :last_name)`)
assert.NoError(t, err)
stmt := &namedStmt{
primaries: []*sqlx.DB{mockPrimaryDB1, mockPrimaryDB2},
primaryStmts: map[*sqlx.DB]*sqlx.NamedStmt{
mockPrimaryDB1: mockPrimaryDB1Stmt,
mockPrimaryDB2: mockPrimaryDB2Stmt,
},
loadBalancer: &injectedLoadBalancer{
db: mockPrimaryDB1,
},
}
inputArg := map[string]interface{}{
"first_name": "foo",
"last_name": "bar",
}
result := stmt.MustExecContext(context.Background(), inputArg)
lastInsertIDResult, err := result.LastInsertId()
assert.NoError(t, err)
lastRowsAffected, err := result.RowsAffected()
assert.NoError(t, err)
assert.Equal(t, int64(1), lastInsertIDResult)
assert.Equal(t, int64(1), lastRowsAffected)
})
}
func TestNamedStmt_Query(t *testing.T) {
t.Run("statement not found", func(t *testing.T) {
mockDB1, sqlMock1, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock1.ExpectPrepare(`SELECT * FROM person WHERE first_name=?`).
ExpectQuery()
mockRead1 := sqlx.NewDb(mockDB1, "mock1")
mockDB2, sqlMock2, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock2.ExpectPrepare(`SELECT * FROM person WHERE first_name=?`)
mockRead2 := sqlx.NewDb(mockDB2, "mock2")
stmt := &namedStmt{
reads: []*sqlx.DB{mockRead1, mockRead2},
readStmts: map[*sqlx.DB]*sqlx.NamedStmt{},
loadBalancer: &injectedLoadBalancer{
db: mockRead1,
},
}
inputArg := map[string]interface{}{
"first_name": "foo",
}
result, err := stmt.Query(inputArg)
assert.Nil(t, result)
assert.ErrorIs(t, err, errSelectedNamedStmtNotFound)
})
t.Run("failed to execute query", func(t *testing.T) {
mockDB1, sqlMock1, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
mockError := errors.New("mock error")
sqlMock1.ExpectPrepare(`SELECT * FROM person WHERE first_name=?`).
ExpectQuery().
WithArgs(driver.Value("foo")).
WillReturnError(mockError)
mockRead1 := sqlx.NewDb(mockDB1, "mock1")
mockReadStmt1, err := mockRead1.PrepareNamed(`SELECT * FROM person WHERE first_name=:first_name`)
assert.NoError(t, err)
mockDB2, sqlMock2, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock2.ExpectPrepare(`SELECT * FROM person WHERE first_name=?`)
mockRead2 := sqlx.NewDb(mockDB2, "mock2")
mockReadStmt2, err := mockRead2.PrepareNamed(`SELECT * FROM person WHERE first_name=:first_name`)
assert.NoError(t, err)
stmt := &namedStmt{
reads: []*sqlx.DB{mockRead1, mockRead2},
readStmts: map[*sqlx.DB]*sqlx.NamedStmt{
mockRead1: mockReadStmt1,
mockRead2: mockReadStmt2,
},
loadBalancer: &injectedLoadBalancer{
db: mockRead1,
},
}
inputArg := map[string]interface{}{
"first_name": "foo",
}
result, err := stmt.Query(inputArg)
assert.Nil(t, result)
assert.ErrorIs(t, err, mockError)
})
t.Run("success", func(t *testing.T) {
type Person struct {
FirstName string `db:"first_name"`
LastName string `db:"last_name"`
}
mockDB1, sqlMock1, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock1.ExpectPrepare(`SELECT * FROM person WHERE first_name=?`).
ExpectQuery().
WithArgs(driver.Value("foo")).
WillReturnRows(sqlmock.NewRows([]string{"first_name", "last_name"}).
AddRow("foo", "bar").
AddRow("foo", "baz"))
mockRead1 := sqlx.NewDb(mockDB1, "mock1")
mockReadStmt1, err := mockRead1.PrepareNamed(`SELECT * FROM person WHERE first_name=:first_name`)
assert.NoError(t, err)
mockDB2, sqlMock2, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock2.ExpectPrepare(`SELECT * FROM person WHERE first_name=?`)
mockRead2 := sqlx.NewDb(mockDB2, "mock2")
mockReadStmt2, err := mockRead2.PrepareNamed(`SELECT * FROM person WHERE first_name=:first_name`)
assert.NoError(t, err)
stmt := &namedStmt{
reads: []*sqlx.DB{mockRead1, mockRead2},
readStmts: map[*sqlx.DB]*sqlx.NamedStmt{
mockRead1: mockReadStmt1,
mockRead2: mockReadStmt2,
},
loadBalancer: &injectedLoadBalancer{
db: mockRead1,
},
}
inputArg := map[string]interface{}{
"first_name": "foo",
}
result, err := stmt.Query(inputArg)
assert.NoError(t, err)
expected := []*Person{
{
FirstName: "foo",
LastName: "bar",
},
{
FirstName: "foo",
LastName: "baz",
},
}
i := 0
for result.Next() {
var person Person
err := result.Scan(&person.FirstName, &person.LastName)
assert.NoError(t, err)
assert.Equal(t, expected[i], &person)
i++
}
})
}
func TestNamedStmt_QueryContext(t *testing.T) {
t.Run("statement not found", func(t *testing.T) {
mockDB1, sqlMock1, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock1.ExpectPrepare(`SELECT * FROM person WHERE first_name=?`).
ExpectQuery()
mockRead1 := sqlx.NewDb(mockDB1, "mock1")
mockDB2, sqlMock2, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock2.ExpectPrepare(`SELECT * FROM person WHERE first_name=?`)
mockRead2 := sqlx.NewDb(mockDB2, "mock2")
stmt := &namedStmt{
reads: []*sqlx.DB{mockRead1, mockRead2},
readStmts: map[*sqlx.DB]*sqlx.NamedStmt{},
loadBalancer: &injectedLoadBalancer{
db: mockRead1,
},
}
inputArg := map[string]interface{}{
"first_name": "foo",
}
result, err := stmt.QueryContext(context.Background(), inputArg)
assert.Nil(t, result)
assert.ErrorIs(t, err, errSelectedNamedStmtNotFound)
})
t.Run("failed to execute query", func(t *testing.T) {
mockDB1, sqlMock1, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
mockError := errors.New("mock error")
sqlMock1.ExpectPrepare(`SELECT * FROM person WHERE first_name=?`).
ExpectQuery().
WithArgs(driver.Value("foo")).
WillReturnError(mockError)
mockRead1 := sqlx.NewDb(mockDB1, "mock1")
mockReadStmt1, err := mockRead1.PrepareNamed(`SELECT * FROM person WHERE first_name=:first_name`)
assert.NoError(t, err)
mockDB2, sqlMock2, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock2.ExpectPrepare(`SELECT * FROM person WHERE first_name=?`)
mockRead2 := sqlx.NewDb(mockDB2, "mock2")
mockReadStmt2, err := mockRead2.PrepareNamed(`SELECT * FROM person WHERE first_name=:first_name`)
assert.NoError(t, err)
stmt := &namedStmt{
reads: []*sqlx.DB{mockRead1, mockRead2},
readStmts: map[*sqlx.DB]*sqlx.NamedStmt{
mockRead1: mockReadStmt1,
mockRead2: mockReadStmt2,
},
loadBalancer: &injectedLoadBalancer{
db: mockRead1,
},
}
inputArg := map[string]interface{}{
"first_name": "foo",
}
result, err := stmt.QueryContext(context.Background(), inputArg)
assert.Nil(t, result)
assert.ErrorIs(t, err, mockError)
})
t.Run("success", func(t *testing.T) {
type Person struct {
FirstName string `db:"first_name"`
LastName string `db:"last_name"`
}
mockDB1, sqlMock1, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock1.ExpectPrepare(`SELECT * FROM person WHERE first_name=?`).
ExpectQuery().
WithArgs(driver.Value("foo")).
WillReturnRows(sqlmock.NewRows([]string{"first_name", "last_name"}).
AddRow("foo", "bar").
AddRow("foo", "baz"))
mockRead1 := sqlx.NewDb(mockDB1, "mock1")
mockReadStmt1, err := mockRead1.PrepareNamed(`SELECT * FROM person WHERE first_name=:first_name`)
assert.NoError(t, err)
mockDB2, sqlMock2, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock2.ExpectPrepare(`SELECT * FROM person WHERE first_name=?`)
mockRead2 := sqlx.NewDb(mockDB2, "mock2")
mockReadStmt2, err := mockRead2.PrepareNamed(`SELECT * FROM person WHERE first_name=:first_name`)
assert.NoError(t, err)
stmt := &namedStmt{
reads: []*sqlx.DB{mockRead1, mockRead2},
readStmts: map[*sqlx.DB]*sqlx.NamedStmt{
mockRead1: mockReadStmt1,
mockRead2: mockReadStmt2,
},
loadBalancer: &injectedLoadBalancer{
db: mockRead1,
},
}
inputArg := map[string]interface{}{
"first_name": "foo",
}
result, err := stmt.QueryContext(context.Background(), inputArg)
assert.NoError(t, err)
expected := []*Person{
{
FirstName: "foo",
LastName: "bar",
},
{
FirstName: "foo",
LastName: "baz",
},
}
i := 0
for result.Next() {
var person Person
err := result.Scan(&person.FirstName, &person.LastName)
assert.NoError(t, err)
assert.Equal(t, expected[i], &person)
i++
}
})
}
func TestNamedStmt_QueryRow(t *testing.T) {
t.Run("statement not found", func(t *testing.T) {
mockDB1, sqlMock1, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock1.ExpectPrepare(`SELECT * FROM person WHERE first_name=?`).
ExpectQuery()
mockRead1 := sqlx.NewDb(mockDB1, "mock1")
mockDB2, sqlMock2, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
sqlMock2.ExpectPrepare(`SELECT * FROM person WHERE first_name=?`)
mockRead2 := sqlx.NewDb(mockDB2, "mock2")
stmt := &namedStmt{
reads: []*sqlx.DB{mockRead1, mockRead2},
readStmts: map[*sqlx.DB]*sqlx.NamedStmt{},
loadBalancer: &injectedLoadBalancer{
db: mockRead1,
},
}
inputArg := map[string]interface{}{
"first_name": "foo",
}
result := stmt.QueryRow(inputArg)
assert.Nil(t, result)
})
t.Run("failed to execute query", func(t *testing.T) {
mockDB1, sqlMock1, _ := sqlmock.New(sqlmock.QueryMatcherOption(sqlmock.QueryMatcherEqual))
mockError := errors.New("mock error")
sqlMock1.ExpectPrepare(`SELECT * FROM person WHERE first_name=?`).
ExpectQuery().