mirror of https://github.com/jackc/pgx.git
97 lines
2.5 KiB
Go
97 lines
2.5 KiB
Go
package pool_test
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import (
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"context"
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"testing"
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"time"
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"github.com/jackc/pgconn"
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"github.com/jackc/pgx/v4"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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// Conn.Release is an asynchronous process that returns immediately. There is no signal when the actual work is
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// completed. To test something that relies on the actual work for Conn.Release being completed we must simply wait.
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// This function wraps the sleep so there is more meaning for the callers.
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func waitForReleaseToComplete() {
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time.Sleep(5 * time.Millisecond)
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}
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type execer interface {
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Exec(ctx context.Context, sql string, arguments ...interface{}) (pgconn.CommandTag, error)
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}
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func testExec(t *testing.T, db execer) {
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results, err := db.Exec(context.Background(), "create table foo(id integer primary key);")
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require.NoError(t, err)
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assert.Equal(t, "CREATE TABLE", string(results))
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results, err = db.Exec(context.Background(), "insert into foo(id) values($1)", 1)
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require.NoError(t, err)
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assert.Equal(t, "INSERT 0 1", string(results))
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results, err = db.Exec(context.Background(), "drop table foo;")
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require.NoError(t, err)
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assert.Equal(t, "DROP TABLE", string(results))
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}
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type queryer interface {
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Query(ctx context.Context, sql string, args ...interface{}) (pgx.Rows, error)
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}
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func testQuery(t *testing.T, db queryer) {
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var sum, rowCount int32
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rows, err := db.Query(context.Background(), "select generate_series(1,$1)", 10)
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require.NoError(t, err)
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for rows.Next() {
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var n int32
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rows.Scan(&n)
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sum += n
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rowCount++
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}
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assert.NoError(t, rows.Err())
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assert.Equal(t, int32(10), rowCount)
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assert.Equal(t, int32(55), sum)
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}
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type queryRower interface {
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QueryRow(ctx context.Context, sql string, args ...interface{}) pgx.Row
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}
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func testQueryRow(t *testing.T, db queryRower) {
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var what, who string
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err := db.QueryRow(context.Background(), "select 'hello', $1", "world").Scan(&what, &who)
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assert.NoError(t, err)
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assert.Equal(t, "hello", what)
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assert.Equal(t, "world", who)
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}
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type sendBatcher interface {
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SendBatch(context.Context, *pgx.Batch) pgx.BatchResults
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}
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func testSendBatch(t *testing.T, db sendBatcher) {
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batch := &pgx.Batch{}
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batch.Queue("select 1", nil, nil, nil)
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batch.Queue("select 2", nil, nil, nil)
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br := db.SendBatch(context.Background(), batch)
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var err error
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var n int32
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err = br.QueryRowResults().Scan(&n)
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assert.NoError(t, err)
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assert.EqualValues(t, 1, n)
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err = br.QueryRowResults().Scan(&n)
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assert.NoError(t, err)
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assert.EqualValues(t, 2, n)
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err = br.Close()
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assert.NoError(t, err)
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}
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