2f7465c294
this will allow us to inspect the type of `db.Driver()` on *sql.DB connections to correctly differentiate between pg and crdb conns. as a bonus, this moves all concerns about when to replace "cockroach://" with "postgres://" out of view, letting the thin shim "driver" take care of that. Change-Id: Ib24103ab7c508231e681f89a7321b623e4e125e9
70 lines
2.3 KiB
Go
70 lines
2.3 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package cockroachutil_test
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import (
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"database/sql"
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"strings"
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"testing"
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"github.com/stretchr/testify/require"
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"storj.io/storj/private/dbutil"
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"storj.io/storj/private/dbutil/cockroachutil"
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"storj.io/storj/private/dbutil/pgutil/pgtest"
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"storj.io/storj/private/dbutil/tempdb"
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"storj.io/storj/private/testcontext"
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)
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func TestTempCockroachDB(t *testing.T) {
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ctx := testcontext.New(t)
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defer ctx.Cleanup()
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if *pgtest.CrdbConnStr == "" {
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t.Skip("CockroachDB flag missing")
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}
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prefix := "name#spaced/Test/DB"
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testDB, err := tempdb.OpenUnique(*pgtest.CrdbConnStr, prefix)
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require.NoError(t, err)
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require.Equal(t, "cockroach", testDB.Driver)
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require.Equal(t, dbutil.Cockroach, testDB.Implementation)
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require.IsType(t, &cockroachutil.Driver{}, testDB.DB.Driver())
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// save these so we can close testDB down below and then still try connecting to the same place
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// (without requiring that the values stay intact in the testDB struct when we close it)
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driverCopy := testDB.Driver
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connStrCopy := testDB.ConnStr
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// assert new test db exists and can be connected to again
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otherConn, err := sql.Open(driverCopy, connStrCopy)
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require.NoError(t, err)
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defer ctx.Check(otherConn.Close)
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// verify the name matches expectation
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var dbName string
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row := otherConn.QueryRow(`SELECT current_database()`)
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err = row.Scan(&dbName)
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require.NoError(t, err)
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require.Truef(t, strings.HasPrefix(dbName, prefix), "Expected prefix of %q for current db name, but found %q", prefix, dbName)
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// verify there is a db with such a name
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var count int
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row = otherConn.QueryRow(`SELECT COUNT(*) FROM pg_database WHERE datname = current_database()`)
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err = row.Scan(&count)
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require.NoError(t, err)
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require.Equalf(t, 1, count, "Expected 1 DB with matching name, but counted %d", count)
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// close testDB but leave otherConn open
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err = testDB.Close()
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require.NoError(t, err)
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// assert new test db was deleted (we expect this connection to keep working, even though its
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// database was deleted out from under it!)
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row = otherConn.QueryRow(`SELECT COUNT(*) FROM pg_database WHERE datname = current_database()`)
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err = row.Scan(&count)
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require.NoError(t, err)
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require.Equalf(t, 0, count, "Expected 0 DB with matching name, but counted %d (deletion failure?)", count)
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}
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