mirror of https://github.com/grafana/grafana.git
98 lines
2.4 KiB
Go
98 lines
2.4 KiB
Go
package sqlstore
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import (
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"context"
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"testing"
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"github.com/stretchr/testify/require"
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)
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type bulkTestItem struct {
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ID int64
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Value string `xorm:"varchar(10)"`
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}
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func TestBatching(t *testing.T) {
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t.Run("InBatches", func(t *testing.T) {
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t.Run("calls fn 0 times if items is empty", func(t *testing.T) {
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var calls int
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fn := func(batch interface{}) error { calls += 1; return nil }
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opts := BulkOpSettings{BatchSize: DefaultBatchSize}
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err := InBatches([]int{}, opts, fn)
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require.NoError(t, err)
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require.Zero(t, calls)
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})
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t.Run("succeeds if batch size is nonpositive", func(t *testing.T) {
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var calls int
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fn := func(batch interface{}) error { calls += 1; return nil }
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opts := BulkOpSettings{BatchSize: DefaultBatchSize}
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err := InBatches([]int{1, 2, 3}, opts, fn)
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require.NoError(t, err)
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require.Equal(t, 1, calls)
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})
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t.Run("rejects if items is not a slice", func(t *testing.T) {
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var calls int
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fn := func(batch interface{}) error { calls += 1; return nil }
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opts := BulkOpSettings{BatchSize: DefaultBatchSize}
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err := InBatches("lol", opts, fn)
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require.Error(t, err)
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})
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t.Run("calls expected number of times when batch size does not evenly divide length", func(t *testing.T) {
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var calls int
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fn := func(batch interface{}) error { calls += 1; return nil }
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opts := BulkOpSettings{BatchSize: 5}
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vals := make([]int, 93)
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err := InBatches(vals, opts, fn)
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require.NoError(t, err)
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require.Equal(t, 19, calls)
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})
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})
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}
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func TestIntegrationBulkOps(t *testing.T) {
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if testing.Short() {
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t.Skip("skipping integration test")
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}
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db := InitTestDB(t)
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err := db.engine.Sync(new(bulkTestItem))
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require.NoError(t, err)
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t.Run("insert several records", func(t *testing.T) {
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vals := make([]bulkTestItem, 45)
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opts := NativeSettingsForDialect(db.GetDialect())
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opts.BatchSize = 10
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var inserted int64
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err := db.WithDbSession(context.Background(), func(sess *DBSession) error {
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ins, err := sess.BulkInsert(bulkTestItem{}, vals, opts)
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inserted = ins
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return err
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})
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require.NoError(t, err)
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require.Equal(t, int64(45), inserted)
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assertTableCount(t, db, bulkTestItem{}, 45)
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})
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}
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func assertTableCount(t *testing.T, db *SQLStore, table interface{}, expCount int64) {
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t.Helper()
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err := db.WithDbSession(context.Background(), func(sess *DBSession) error {
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total, err := sess.Table(bulkTestItem{}).Count()
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require.Equal(t, expCount, total)
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return err
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})
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require.NoError(t, err)
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}
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