driver_go18_test.go

// +build go1.8

/*******************************************************************************
The MIT License (MIT)

Copyright (c) 2016-2019 Hajime Nakagami

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this software and associated documentation files (the "Software"), to deal in
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*******************************************************************************/

package firebirdsql

import (
	"context"
	"database/sql"
	"strings"
	"testing"
	"time"
)

func TestGo18(t *testing.T) {
	test_dsn := GetTestDSN("test_go18_")
	conn, err := sql.Open("firebirdsql_createdb", test_dsn)

	if err != nil {
		t.Fatalf("Error sql.Open(): %v", err)
	}

	conn.Exec(`
        CREATE TABLE foo (
            a INTEGER NOT NULL,
            b VARCHAR(30) NOT NULL UNIQUE,
            c VARCHAR(1024),
            d DECIMAL(16,3) DEFAULT -0.123,
            e DATE DEFAULT '1967-08-11',
            f TIMESTAMP DEFAULT '1967-08-11 23:45:01',
            g TIME DEFAULT '23:45:01',
            h BLOB SUB_TYPE 1, 
            i DOUBLE PRECISION DEFAULT 0.0,
            j FLOAT DEFAULT 0.0,
            PRIMARY KEY (a),
            CONSTRAINT CHECK_A CHECK (a <> 0)
        )
    `)

	if err != nil {
		t.Fatalf("Error connecting: %v", err)
	}
	_, err = conn.Exec("insert into foo(a, b, c, h) values (1, 'a', 'b','This is a memo')")
	if err != nil {
		t.Fatalf("Error Insert1: %v", err)
	}
	_, err = conn.Exec("insert into foo(a, b, c, e, g, i, j) values (2, 'A', 'B', '1999-01-25', '00:00:01', 0.1, 0.1)")
	if err != nil {
		t.Fatalf("Error Insert2: %v", err)
	}

	conn.Close()

	time.Sleep(1 * time.Second)

	conn, err = sql.Open("firebirdsql", test_dsn)
	if err != nil {
		t.Fatalf("Error sql.Open(): %v", err)
	}

	ctx := context.Background()
	opts := &sql.TxOptions{sql.LevelDefault, true} // Default isolation leve and ReadOnly
	tx, err := conn.BeginTx(ctx, opts)
	if err != nil {
		t.Fatalf("Error BeginTx(): %v", err)
	}

	_, err = tx.Exec("insert into foo(a, b, c, e, g, i, j) values (3, 'X', 'Y', '2001-07-05', '00:01:02', 0.2, 0.2)")
	if err == nil {
		t.Fatalf("Error did not occured")
	} else if !strings.Contains(err.Error(), "read-only transaction") {
		t.Fatalf("Need read-only transaction error:%v", err)
	}

	var n int
	err = tx.QueryRow("select count(*) cnt from foo").Scan(&n)
	if err != nil {
		t.Fatalf("Error QueryRow: %v", err)
	}
	if n != 2 {
		t.Fatalf("Error bad record count: %v", n)
	}

	rows, err := tx.QueryContext(ctx, "select a, b, c, d, e, f, g, h, i, j from foo")
	ct, err := rows.ColumnTypes()
	var testColumnTypes = []struct {
		name     string
		typeName string
	}{
		{"A", "LONG"},
		{"B", "VARYING"},
		{"C", "VARYING"},
		{"D", "INT64"},
		{"E", "DATE"},
		{"F", "TIMESTAMP"},
		{"G", "TIME"},
		{"H", "BLOB"},
		{"I", "DOUBLE"},
		{"J", "FLOAT"},
	}

	for i, tct := range testColumnTypes {
		if ct[i].Name() != tct.name || ct[i].DatabaseTypeName() != tct.typeName {
			t.Fatalf("Error Column Type: %v", tct.name)
		}
	}

	var a int
	var b, c string
	var d float64
	var e time.Time
	var f time.Time
	var g time.Time
	var h []byte
	var i float64
	var j float32

	for rows.Next() {
		rows.Scan(&a, &b, &c, &d, &e, &f, &g, &h, &i, &j)
	}
	conn.Close()
}