sq/libsq/query_datetime_test.go

package libsq_test

import (
	"testing"

	_ "github.com/mattn/go-sqlite3"

	"github.com/neilotoole/sq/libsq/source/drivertype"
	"github.com/neilotoole/sq/testh/sakila"
)

func TestQuery_datetime(t *testing.T) {
	testCases := []queryTestCase{
		{
			name:         "datetime/strftime/sqlite",
			in:           `@sakila | .payment | _strftime("%m", .payment_date)`,
			wantSQL:      `SELECT strftime('%m', "payment_date") AS "strftime(""%m"",.payment_date)" FROM "payment"`,
			onlyFor:      []drivertype.Type{drivertype.SQLite},
			wantRecCount: sakila.TblPaymentCount,
		},
		{
			name:         "datetime/date_trunc/postgres",
			in:           `@sakila | .payment | _date_trunc("month", .payment_date)`,
			wantSQL:      `SELECT date_trunc('month', "payment_date") AS "date_trunc(""month"",.payment_date)" FROM "payment"`,
			onlyFor:      []drivertype.Type{drivertype.Pg},
			wantRecCount: sakila.TblPaymentCount,
		},
		{
			name:         "datetime/month/sqlserver",
			in:           `@sakila | .payment | _month(.payment_date)`,
			wantSQL:      `SELECT month("payment_date") AS "month(.payment_date)" FROM "payment"`,
			onlyFor:      []drivertype.Type{drivertype.MSSQL},
			wantRecCount: sakila.TblPaymentCount,
		},
		{
			name:         "datetime/date_format/mysql",
			in:           `@sakila | .payment | _date_format(.payment_date, "%m")`,
			wantSQL:      "SELECT date_format(`payment_date`, '%m') AS `date_format(.payment_date,\"%m\")` FROM `payment`",
			onlyFor:      []drivertype.Type{drivertype.MySQL},
			wantRecCount: sakila.TblPaymentCount,
		},
	}

	for _, tc := range testCases {
		tc := tc
		t.Run(tc.name, func(t *testing.T) {
			execQueryTestCase(t, tc)
		})
	}
}