Files
pocket-id/backend/internal/bootstrap/db_bootstrap_test.go
Claude bda95b2776 Add _maxconn SQLite connection string parameter
Lets the SQLite connection string set a custom max open connections
via a "_maxconn=n" query parameter, since the driver doesn't support
it natively. Zero or negative values fall back to the default, and
the parameter is ignored for in-memory databases, which must stay
capped at a single connection.
2026-08-07 08:03:08 +00:00

286 lines
8.6 KiB
Go

package bootstrap
import (
"net/url"
"strings"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/pocket-id/pocket-id/backend/internal/common"
)
// TestSqlInstrumentOptions covers the wiring that makes the instrumentation on the connection the single source of SQL logs.
// Gorm is silent, so anything not enabled here is not logged by anyone.
func TestSqlInstrumentOptions(t *testing.T) {
prevConfig := common.EnvConfig
t.Cleanup(func() {
common.EnvConfig = prevConfig
})
t.Run("statements are logged at debug level", func(t *testing.T) {
common.EnvConfig.LogLevel = "debug"
opts := sqlInstrumentOptions()
assert.True(t, opts.QueryLoggingEnabled(), "statements must be logged at debug level")
assert.NotNil(t, opts.Logger(), "a logger is required for any statement log to be emitted")
})
t.Run("statements are not logged at other levels", func(t *testing.T) {
for _, level := range []string{"info", "warn", "error"} {
common.EnvConfig.LogLevel = level
assert.Falsef(t, sqlInstrumentOptions().QueryLoggingEnabled(), "statements must not be logged at %s level", level)
}
})
t.Run("slow statements are reported at every level", func(t *testing.T) {
for _, level := range []string{"debug", "info", "warn", "error"} {
common.EnvConfig.LogLevel = level
assert.Equalf(t, 250*time.Millisecond, sqlInstrumentOptions().SlowQueryThreshold(), "slow statements must be reported at %s level", level)
}
})
t.Run("query parameters are omitted unless LOG_QUERY_ARGS is set", func(t *testing.T) {
common.EnvConfig.LogLevel = "debug"
common.EnvConfig.LogQueryArgs = false
assert.False(t, sqlInstrumentOptions().QueryParametersIncluded(), "parameter values must not be included by default, not even at debug level")
})
t.Run("query parameters are included when LOG_QUERY_ARGS is set", func(t *testing.T) {
// The option is independent of the log level, because it also controls whether parameters are attached to trace spans
for _, level := range []string{"debug", "info", "warn", "error"} {
common.EnvConfig.LogLevel = level
common.EnvConfig.LogQueryArgs = true
assert.Truef(t, sqlInstrumentOptions().QueryParametersIncluded(), "parameter values must be included at %s level", level)
}
})
}
func TestAddSqliteDatetimeParams(t *testing.T) {
tests := []struct {
name string
connString string
want url.Values
}{
{
name: "adds all params to a bare path",
connString: "data/pocket-id.db",
want: url.Values{
"_texttotime": {"1"},
"_inttotime": {"1"},
"_time_format": {"sqlite"},
},
},
{
name: "preserves existing query string params",
connString: "file:data/pocket-id.db?_pragma=journal_mode(WAL)&_txlock=immediate",
want: url.Values{
"_pragma": {"journal_mode(WAL)"},
"_txlock": {"immediate"},
"_texttotime": {"1"},
"_inttotime": {"1"},
"_time_format": {"sqlite"},
},
},
{
name: "does not override params set explicitly",
connString: "file:data/pocket-id.db?_time_format=unix&_inttotime=0",
want: url.Values{
"_texttotime": {"1"},
"_inttotime": {"0"},
"_time_format": {"unix"},
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got := addSqliteDatetimeParams(tt.connString)
path, rawQuery, found := strings.Cut(got, "?")
require.True(t, found, "result is missing a query string")
expectedPath, _, _ := strings.Cut(tt.connString, "?")
assert.Equal(t, expectedPath, path, "path was modified")
qs, err := url.ParseQuery(rawQuery)
require.NoError(t, err)
assert.Equal(t, tt.want, qs)
})
}
t.Run("returns an empty connection string untouched", func(t *testing.T) {
assert.Empty(t, addSqliteDatetimeParams(""))
})
}
func TestExtractSqliteMaxConns(t *testing.T) {
tests := []struct {
name string
connString string
wantConnString string
wantMaxConns int
}{
{
name: "no query string",
connString: "data/pocket-id.db",
wantConnString: "data/pocket-id.db",
wantMaxConns: 0,
},
{
name: "_maxconn absent",
connString: "file:data/pocket-id.db?_txlock=immediate",
wantConnString: "file:data/pocket-id.db?_txlock=immediate",
wantMaxConns: 0,
},
{
name: "_maxconn is applied and stripped",
connString: "file:data/pocket-id.db?_maxconn=5",
wantConnString: "file:data/pocket-id.db?",
wantMaxConns: 5,
},
{
name: "_maxconn is stripped alongside other params",
connString: "file:data/pocket-id.db?_txlock=immediate&_maxconn=5",
wantConnString: "file:data/pocket-id.db?_txlock=immediate",
wantMaxConns: 5,
},
{
name: "_maxconn=0 means use the default",
connString: "file:data/pocket-id.db?_maxconn=0",
wantConnString: "file:data/pocket-id.db?",
wantMaxConns: 0,
},
{
name: "a negative _maxconn means use the default",
connString: "file:data/pocket-id.db?_maxconn=-5",
wantConnString: "file:data/pocket-id.db?",
wantMaxConns: 0,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
gotConnString, gotMaxConns, err := extractSqliteMaxConns(tt.connString)
require.NoError(t, err)
assert.Equal(t, tt.wantMaxConns, gotMaxConns)
wantPath, wantRawQuery, _ := strings.Cut(tt.wantConnString, "?")
gotPath, gotRawQuery, _ := strings.Cut(gotConnString, "?")
assert.Equal(t, wantPath, gotPath, "path was modified")
wantQs, err := url.ParseQuery(wantRawQuery)
require.NoError(t, err)
gotQs, err := url.ParseQuery(gotRawQuery)
require.NoError(t, err)
assert.Equal(t, wantQs, gotQs)
})
}
t.Run("returns an error for a non-numeric value", func(t *testing.T) {
_, _, err := extractSqliteMaxConns("file:data/pocket-id.db?_maxconn=abc")
assert.Error(t, err)
})
}
func TestIsSqliteInMemory(t *testing.T) {
tests := []struct {
name string
connString string
want bool
}{
{
name: "bare :memory: connection string",
connString: ":memory:",
want: true,
},
{
name: "file::memory: URI",
connString: "file::memory:?cache=shared",
want: true,
},
{
name: "mode=memory query parameter",
connString: "file:test.db?mode=memory",
want: true,
},
{
name: "file-based database",
connString: "file:data/pocket-id.db",
want: false,
},
{
name: "file-based database with unrelated query params",
connString: "file:data/pocket-id.db?mode=rwc",
want: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
assert.Equal(t, tt.want, isSqliteInMemory(tt.connString))
})
}
}
// TestConnectDatabaseSqlite checks that the connection Pocket ID now opens itself, so it can be instrumented, still behaves like the one Gorm used to open for us.
// The datetime parameters are the part at risk: without them modernc.org/sqlite returns strings, not time.Time, for datetime columns.
//
// This is the only test that may call ConnectDatabase: registering the custom SQLite functions a second time panics, so the function can only run once per process.
func TestConnectDatabaseSqlite(t *testing.T) {
prevConfig := common.EnvConfig
t.Cleanup(func() {
common.EnvConfig = prevConfig
})
common.EnvConfig.DbProvider = common.DbProviderSqlite
common.EnvConfig.DbConnectionString = "file:test-connect-database?mode=memory"
db, pg, err := ConnectDatabase(t.Context())
require.NoError(t, err, "Failed to connect to database")
require.Nil(t, pg, "Postgres pool must be nil for SQLite")
sqlDB, err := db.DB()
require.NoError(t, err)
t.Cleanup(func() {
_ = sqlDB.Close()
})
t.Run("datetime columns round-trip as time.Time", func(t *testing.T) {
type record struct {
ID string `gorm:"primaryKey"`
CreatedAt time.Time
}
err := db.AutoMigrate(&record{})
require.NoError(t, err, "Failed to migrate the test table")
created := time.Now().UTC().Truncate(time.Second)
err = db.Create(&record{ID: "1", CreatedAt: created}).Error
require.NoError(t, err)
var got record
err = db.First(&got, "id = ?", "1").Error
require.NoError(t, err)
assert.True(t, created.Equal(got.CreatedAt), "expected %v, got %v", created, got.CreatedAt)
})
t.Run("foreign keys are enabled", func(t *testing.T) {
var foreignKeys int
err := sqlDB.QueryRowContext(t.Context(), "PRAGMA foreign_keys").Scan(&foreignKeys)
require.NoError(t, err)
assert.Equal(t, 1, foreignKeys)
})
t.Run("in-memory databases are capped at one connection", func(t *testing.T) {
// In-memory databases only see the whole data through a single connection
assert.Equal(t, 1, sqlDB.Stats().MaxOpenConnections)
})
}